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Index: D

• --decrypt option (gpg): Public-Key Encryption Tools (TCP/IP Network Administration)
• --disable-all-scp-stats: scp behavior (SSH, The Secure Shell)
• --disable-client-port-forwardings: TCP port forwarding (SSH, The Secure Shell)
• • Compile-time configuration (SSH, The Secure Shell)
• --disable-client-x11-forwarding: window support (SSH, The Secure Shell)
• --disable-debug: Debug output (SSH, The Secure Shell)
• --disable-debug-heavy: Debug output (SSH, The Secure Shell)
• --disable-efence: Debug output (SSH, The Secure Shell)
• --disable-scp-stats: scp behavior (SSH, The Secure Shell)
• --disable-server-port-forwardings: TCP port forwarding (SSH, The Secure Shell)
• • Compile-time configuration (SSH, The Secure Shell)
• --disable-server-x11-forwarding: window support (SSH, The Secure Shell)
• --disable-suid-ssh, recommended setting: Compile-Time Configuration (SSH, The Secure Shell)
• --disable-suid-ssh-signer, recommended setting: Compile-Time Configuration (SSH, The Secure Shell)
• --disable-tcp-nodelay: TCP/IP support (SSH, The Secure Shell)
• --disable-tcp-port-forwarding: TCP port forwarding (SSH, The Secure Shell)
• • Compile-time configuration (SSH, The Secure Shell)
• --disable-X11-forwarding: window support (SSH, The Secure Shell)
• D command (sendmail): The Define Macro Command (TCP/IP Network Administration)
• D flag (Linux routing table): The Routing Table (TCP/IP Network Administration)
• d2 option (nslookup): Option Settings (DNS and Bind)
• • Showing the Query and Response Messages (DNS and Bind)
• DAEMON_OPTIONS macro (sendmail): sendmail Macros (TCP/IP Network Administration)
• daemons: Internet and RPC server configuration (Managing NFS and NIS)
• • as agents: Managers and Agents (Essential SNMP)
  • automountd: Command-line options (Managing NFS and NIS)
  • biod: Setting up NFS (Managing NFS and NIS)
  • • NFS async thread tuning (Managing NFS and NIS)
  • bootparamd, debugging: Debugging rarpd and bootparamd (Managing NFS and NIS)
  • keyserv: Establishing a session key (Managing NFS and NIS)
  • lock: Lock and status daemons (Managing NFS and NIS)
  • lockd: Setting up NFS (Managing NFS and NIS)
  • mountd: Setting up NFS (Managing NFS and NIS)
  • • Resolving mount problems (Managing NFS and NIS)
    • NFS protocol and implementation (Managing NFS and NIS)
  • NFS and: NFS (Network Troubleshooting Tools)
  • nfsd: Setting up NFS (Managing NFS and NIS)
  • • NFS protocol and implementation (Managing NFS and NIS)
    • nfsd and NFS server threads (Managing NFS and NIS)
  • nfslogd: The nfslogd daemon (Managing NFS and NIS)
  • pcnfsd: Printer services (Managing NFS and NIS)
  • portmap: Internet and RPC server configuration (Managing NFS and NIS)
  • rarpd: Reverse ARP requests (Managing NFS and NIS)
  • • Reverse ARP requests (Managing NFS and NIS)
    • debugging: Debugging rarpd and bootparamd (Managing NFS and NIS)
  • rpcbind: RPC portmapper - rpcbind (Managing NFS and NIS)
  • statd: Setting up NFS (Managing NFS and NIS)
  • status: Lock and status daemons (Managing NFS and NIS)
  • tools for: Daemons (Building Internet Firewalls)
  • ypbind: The ypbind daemon (Managing NFS and NIS)
  • yppasswdd: Password file updates (Managing NFS and NIS)
  • ypserve: The ypserv daemon (Managing NFS and NIS)
• daily graphs of traffic: mrtg configuration file (Network Troubleshooting Tools)
• • cricket (Network Troubleshooting Tools)
• damaged packets: Interpreting results (Network Troubleshooting Tools)
• DAP (Directory Access Protocol): Lightweight Directory Access Protocol (LDAP) (Managing NFS and NIS)
• DARPA: Brief History of the Internet (DNS and Bind) 1.1. A (Very)
• DARPA (Defense Advanced Research Projects Agency): TCP/IP and the Internet (TCP/IP Network Administration)
• data: Your Data (Building Internet Firewalls)
• • DNS: DNS Data (Building Internet Firewalls)
  • • mismatched: Mismatched data between the hostname and IP address DNS trees (Building Internet Firewalls)
  • protecting: Integrity Protection (Building Internet Firewalls)
  • • from sniffers: Packet Sniffing (Building Internet Firewalls)
  • theft of: Information theft (Building Internet Firewalls)
  • • Spies (industrial and otherwise) (Building Internet Firewalls)
  • transferring: File Transfer, File Sharing, and Printing (Building Internet Firewalls)
  • • What Does a Packet Look Like? (Building Internet Firewalls)
    • Packet Filtering (Building Internet Firewalls)
    • allowing/disallowing: Basic Packet Filtering (Building Internet Firewalls)
    • evaluating protocols for: What Data Does the Protocol Transfer? (Building Internet Firewalls)
    • via TCP: TCP (Building Internet Firewalls)
• data bindings in traps: Sending Traps (Essential SNMP)
• data cabling (see cabling)
• data collection (see collecting data)
• • deleting files: Designing collections (Essential SNMP)
  • designing collections: Designing collections (Essential SNMP)
  • displaying data: Creating a threshold (Essential SNMP)
  • hardware requirements: Hardware Considerations (Essential SNMP)
  • open source tools: Open Source Tools for Data Collection and Graphing (Essential SNMP)
  • • Open Source Tools for Data Collection and Graphing (Essential SNMP)
    • (see also MRTG)
  • polling intervals: Designing collections (Essential SNMP)
  • restricting: Designing collections (Essential SNMP)
  • SNMPc: Castle Rock's SNMPc (Essential SNMP)
  • testing events and thresholds: Creating a threshold (Essential SNMP)
  • thresholds: Designing collections (Essential SNMP)
  • • Creating a threshold (Essential SNMP)
  • updating graphs: Creating a threshold (Essential SNMP)
  • xnmgraph and: Collecting and Displaying Data with OpenView (Essential SNMP)
  • • Creating a threshold (Essential SNMP)
• DATA command (SMTP): Simple Mail Transfer Protocol (TCP/IP Network Administration)
• data compression: Data Compression (SSH, The Secure Shell)
• data corruption: Traffic Measurements with netstat (Network Troubleshooting Tools)
• data delivery: Addressing, Routing, and Multiplexing (TCP/IP Network Administration)
• data-dependent problems: Options (Network Troubleshooting Tools)
• data-driven attacks: Data-Driven Attacks (Building Internet Firewalls)
• • protecting against: Protecting Services (Building Internet Firewalls)
• Data Encryption Standard (see DES)
• data field (resource records): Host Name Checking (BIND 4.9.4 and Later Versions) (DNS and Bind)
• • Standard Resource Records (TCP/IP Network Administration)
• data files: Zone Data Files (DNS and Bind)
• • Map files (Managing NFS and NIS)
• data integrity checking algorithms: Integrity (SSH, The Secure Shell)
• data link layer (7-layer model): Physical and data link layers (Managing NFS and NIS)
• • Ethernet addresses: Ethernet addresses (Managing NFS and NIS)
  • frames: Frames and network interfaces (Managing NFS and NIS)
  • packets: Frames and network interfaces (Managing NFS and NIS)
• Data Link Layer (OSI Model): Data Communications Model (TCP/IP Network Administration)
• Data Link Layer Protocol: The Serial Protocols (TCP/IP Network Administration)
• data presentation layer (7-layer model), external data representation and: External data representation (Managing NFS and NIS)
• data representation
• • external: External data representation (Managing NFS and NIS)
  • XDR (eXternal Data Representation): External data representation (Managing NFS and NIS)
• data segment size, changing: Changing the data segment size limit (DNS and Bind)
• data source, map names and: Map naming (Managing NFS and NIS)
• data storage requirements: Hardware Considerations (Essential SNMP)
• data streams, capturing: tcpflow (Network Troubleshooting Tools)
• data, troubleshooting old: Can't Get Rid of Old Data (DNS and Bind)
• data value (DNS resource records): Standard Resource Records (TCP/IP Network Administration)
• database dump, how to read: How to Read a Database Dump (DNS and Bind)
• database files (see zone data files)
• database of configuration files (NIS): Networking Fundamentals (Managing NFS and NIS)
• database protocols, connecting to web servers with: Using the database's protocols to connect to a perimeter web server (Building Internet Firewalls)
• database servers, locating: Locating Database Servers (Building Internet Firewalls)
• databases
• • address conversion (sendmail): Building a sendmail.cf with m4 macros (TCP/IP Network Administration)
  • Apache, user authentication: Improved user authentication (TCP/IP Network Administration)
  • gpg: Public-Key Encryption Tools (TCP/IP Network Administration)
  • sendmail
  • • address transformation: Transforming with a database (TCP/IP Network Administration)
    • • Using Key Files in sendmail (TCP/IP Network Administration)
    • local information section (configuration file): Modifying Local Information (TCP/IP Network Administration)
  • Unix r commands: Secure the r Commands (TCP/IP Network Administration)
• databases (DBM), NIS maps and: Map files (Managing NFS and NIS)
• databits command (dip): The dip Script File (TCP/IP Network Administration)
• datagrams: Datagrams and packets (Managing NFS and NIS)
• • SNMP and UDP (Essential SNMP)
  • TCP/IP Protocol Architecture (TCP/IP Network Administration)
  • The datagram (TCP/IP Network Administration)
  • The IP Address (TCP/IP Network Administration)
  • directing to another network: Network layer (Managing NFS and NIS)
  • forwarding: Passing datagrams to the transport layer (TCP/IP Network Administration)
  • fragmenting: Fragmenting datagrams (TCP/IP Network Administration)
  • headers: Port Numbers (TCP/IP Network Administration)
  • • Appendix g.1. IP Datagram Header (TCP/IP Network Administration)
    • protocol numbers: Protocol Numbers (TCP/IP Network Administration)
  • IP and: Datagrams and packets (Managing NFS and NIS)
  • martians: Obtaining an IP Address (TCP/IP Network Administration)
  • Network Access Layer
  • • IP addresses: Network Access Layer (TCP/IP Network Administration)
  • overview: The datagram (TCP/IP Network Administration)
  • routing: Routing datagrams (TCP/IP Network Administration)
• datagrams, tracking: Microsoft Windows (Network Troubleshooting Tools)
• dataless clients: Configuration options (Managing NFS and NIS)
• • mounting: Dataless clients (Managing NFS and NIS)
  • network architecture: Dataless clients (Managing NFS and NIS)
• dataless nodes, management: Dataless clients (Managing NFS and NIS)
• datasize option (named): The options Statement (TCP/IP Network Administration)
• datasize substatement: Changing the data segment size limit (DNS and Bind)
• • limit datasize (DNS and Bind)
• DataType field, NFS log record: NFS server logging (Managing NFS and NIS)
• datatypes
• • decimal values in: Extensions to the SMI in Version 2 (Essential SNMP)
  • importing from other MIBs: Defining OIDs (Essential SNMP)
  • managed objects and: The Structure of Management Information (Essential SNMP)
  • supported types
  • • Net-SNMP: Setting a MIB Value (Essential SNMP)
    • • Sending Traps with Net-SNMP (Essential SNMP)
    • OpenView: Sending Traps with OpenView (Essential SNMP)
    • Perl: Sending Traps (Essential SNMP)
    • SMIv2: Extensions to the SMI in Version 2 (Essential SNMP)
    • SNMP_util: Sending Traps with Perl (Essential SNMP)
    • SystemEDGE: Extensibility for Unix and Windows (Essential SNMP)
    • Trap Generator: Sending Traps with Network Computing Technologies Trap Generator (Essential SNMP)
  • in trap data bindings: Sending Traps (Essential SNMP)
• date bytes, ordering, data representation and: External data representation (Managing NFS and NIS)
• Date field, NFS log record: NFS server logging (Managing NFS and NIS)
• date stamps
• • on tools and documentation: Documentation (Network Troubleshooting Tools)
  • on troubleshooting printouts: Automating Documentation (Network Troubleshooting Tools)
• dates
• • DateAndTime convention: Extensions to the SMI in Version 2 (Essential SNMP)
  • system dates: Host Management Revisited (Essential SNMP)
• daytime service: Mostly Harmless Protocols (Building Internet Firewalls)
• db category: BIND 8 categories (DNS and Bind)
• db files (see zone data files)
• db.ADDR files: Setting Up Zone Data (DNS and Bind)
• • SOA record required in: SOA Records (DNS and Bind)
• db.cache file: The Root Hints Data (DNS and Bind)
• • The Root Hints Data (DNS and Bind)
  • (see also root hints file)
  • temporary root name server and: Really Long Outages ( Weeks) (DNS and Bind)
  • updating: Keeping the Root Hints Current (DNS and Bind)
• db.DOMAIN files: Setting Up Zone Data (DNS and Bind)
• • SOA record required in: SOA Records (DNS and Bind)
• DBM database
• • ASCII files, convertion: Map naming (Managing NFS and NIS)
  • NIS maps and: Map files (Managing NFS and NIS)
• dbm (sendmail K command value): The sendmail K Command (TCP/IP Network Administration)
• dbmmanage command: Improved user authentication (TCP/IP Network Administration)
• db.root file
• • creating for temporary root name server: Really Long Outages ( Weeks) (DNS and Bind)
  • internal roots and: The db.root file (DNS and Bind)
• DCA (Defense Communications Agency): TCP/IP and the Internet (TCP/IP Network Administration)
• DCC (Direct Client Connections): Internet Relay Chat (IRC) (Building Internet Firewalls)
• DCE/DFS security flavor: How secure are NIS and NFS? (Managing NFS and NIS)
• DCOM (Distributed Component Object Model): Distributed Component Object Model (DCOM) (Building Internet Firewalls)
• dcomcnfg program: Distributed Component Object Model (DCOM) (Building Internet Firewalls)
• DDN (Defense Data Network): TCP/IP and the Internet (TCP/IP Network Administration)
• DDNS (dynamic DNS): IP Address Management (Network Troubleshooting Tools)
• deacknowledging events: The Alarm Browser (Essential SNMP)
• deallocate-on-exit option (named): The options Statement (TCP/IP Network Administration)
• Debian Linux systems: Startup Files and Scripts (Network Troubleshooting Tools)
• • FreeBSD Ports (Network Troubleshooting Tools)
• debug messages, logging (BIND 8/9): Logging in BIND 8 and 9 (DNS and Bind)
• Debug mode
• • features: SSH1 Debug mode (SSH, The Secure Shell)
  • SSH1: SSH1 Debug mode (SSH, The Secure Shell)
• debug option (nslookup): Option Settings (DNS and Bind)
• • Showing the Query and Response Messages (DNS and Bind)
• debug option (pppd): The PPP Daemon (TCP/IP Network Administration)
• debug option (resolv.conf file): The Resolver Configuration File (TCP/IP Network Administration)
• debug severity: Logging in BIND 8 and 9 (DNS and Bind)
• debug substatement: options debug (4.9+) (DNS and Bind)
• • options no-check-names (8.2+) (DNS and Bind)
  • options attempts (8.2+) (DNS and Bind)
  • options timeout (8.2+) (DNS and Bind)
  • options rotate (8.2+) (DNS and Bind)
• debugging (see also troubleshooting)
• • Acknowledgments (SSH, The Secure Shell)
  • Logging and Debugging (SSH, The Secure Shell)
  • Testing Rewrite Rules (TCP/IP Network Administration)
  • General Approaches to Troubleshooting (Network Troubleshooting Tools)
  • ARP replies, duplicate: Duplicate ARP replies (Managing NFS and NIS)
  • boot parameter confusion case study: Boot parameter confusion (Managing NFS and NIS)
  • bootparamd daemon: Debugging rarpd and bootparamd (Managing NFS and NIS)
  • command for turning off: ndc and controls (BIND 8) (DNS and Bind)
  • compile-time configuration: Debug output (SSH, The Secure Shell)
  • directory content caching: Incorrect directory content caching (Managing NFS and NIS)
  • interpreting output: Reading Debugging Output (DNS and Bind)
  • levels: SSH2 Debug mode (general) (SSH, The Secure Shell)
  • levels of: Debugging Levels (DNS and Bind)
  • mount points, incorrect: Incorrect mount point permissions (Managing NFS and NIS)
  • named-xfer utility for: How to Use named-xfer (DNS and Bind)
  • networks: Network Diagnostic and Administrative Tools (Managing NFS and NIS)
  • • Debugging Network Problems (Managing NFS and NIS)
  • NFS error messages, asynchronous: Asynchronous NFS error messages (Managing NFS and NIS)
  • nslookup and: Option Settings (DNS and Bind)
  • • Using nslookup (TCP/IP Network Administration)
  • option for resolvers/name servers: The options Directive (DNS and Bind)
  • port conflicts, avoiding: Server Debugging (SSH, The Secure Shell)
  • rarpd daemon: Debugging rarpd and bootparamd (Managing NFS and NIS)
  • renegade server case study: Renegade NIS server (Managing NFS and NIS)
  • RPC problems: Debugging RPC problems (Managing NFS and NIS)
  • rpcinfo utility and: RPC registration (Managing NFS and NIS)
  • sendmail arguments: The sendmail Command (TCP/IP Network Administration)
  • SSH client: Client Debugging (SSH, The Secure Shell)
  • SSH server: Server Debugging (SSH, The Secure Shell)
  • turning on: Turning On Debugging (DNS and Bind)
  • turning on when analyzing overworked name servers: Capacity Planning (DNS and Bind)
• debugging operating system: Fix All Known System Bugs (Building Internet Firewalls)
• dec command (dip): The dip Script File (TCP/IP Network Administration)
• decentralized name management: DNS versus NIS (Managing NFS and NIS)
• decentralized network administration: Subnets (TCP/IP Network Administration)
• decimal dotted notation (OIDs): Overview of SNMP (Network Troubleshooting Tools)
• • snmpget (Network Troubleshooting Tools)
  • mrtg configuration file (Network Troubleshooting Tools)
• decimal serial numbers vs. integer serial numbers: SOA Serial Numbers (DNS and Bind)
• • SOA Serial Numbers (DNS and Bind)
  • (see also serial numbers)
• decimal values, in SSH configuration files: Port number and network interface (SSH, The Secure Shell)
• decoding
• • packets manually: Controlling what's displayed (Network Troubleshooting Tools)
  • tcpdump files: tcpshow (Network Troubleshooting Tools)
• decompressing software tools: Generic Installs (Network Troubleshooting Tools)
• decoy scanning: nmap (Network Troubleshooting Tools)
• decrypt: Cryptography Primer (SSH, The Secure Shell)
• decrypted keys, keyserv daemon: Establishing a session key (Managing NFS and NIS)
• dedicated connections, pppd command, configuring: The PPP Daemon (TCP/IP Network Administration)
• dedicated proxy servers: Generic Versus Dedicated Proxies (Building Internet Firewalls)
• deduplication engines: Supporting Software (Essential SNMP)
• Deep Crack: Passwords (Building Internet Firewalls)
• default-asyncmap option (pppd): The PPP Daemon (TCP/IP Network Administration)
• default category: Logging in BIND 8 and 9 (DNS and Bind)
• • BIND 9: BIND 9 categories (DNS and Bind)
• default command (dip): The dip Script File (TCP/IP Network Administration)
• default deny stance: Default Deny Stance: That Which Is Not Expressly Permitted Is Prohibited (Building Internet Firewalls)
• • Default Permit Versus Default Deny (Building Internet Firewalls)
• default domain names: Domain Names (TCP/IP Network Administration)
• default domain, not set: Local Domain Name Not Set (DNS and Bind)
• default gateway: The Routing Table (TCP/IP Network Administration)
• • address: Getting Started (TCP/IP Network Administration)
  • addresses, need for: Getting Started (TCP/IP Network Administration)
• default keyword (route command): Building a Static Routing Table (TCP/IP Network Administration)
• default-lease-time parameter (dhcp.conf file): dhcpd.conf (TCP/IP Network Administration)
• default-lease-time parameter (dhcpd): Configuration Parameters (TCP/IP Network Administration)
• default masks, indentifying: The Natural Mask (TCP/IP Network Administration)
• default-mru option (pppd): The PPP Daemon (TCP/IP Network Administration)
• default permit stance: Default Permit Stance: That Which Is Not Expressly Prohibited Is Permitted (Building Internet Firewalls)
• • Default Permit Versus Default Deny (Building Internet Firewalls)
• default route (network addresses): The IP Address (TCP/IP Network Administration)
• default routes in routing tables: netstat (Network Troubleshooting Tools)
• defaultdomain file: Network Information Service (TCP/IP Network Administration)
• DefaultIcon directive (Apache): Creating a Fancy Index (TCP/IP Network Administration)
• defaultmetric parameter (gated): The rip Statement (TCP/IP Network Administration)
• defaultroute option (pppd): The PPP Daemon (TCP/IP Network Administration)
• • The PPP Daemon (TCP/IP Network Administration)
• defaultrouter file: Recommendations (DNS and Bind)
• defaults
• • domain name
  • • option for: Option Settings (DNS and Bind)
    • setting for host: Set the local domain name (DNS and Bind)
  • origin for zone data files, changing: Changing the Origin in a Zone Data File (DNS and Bind)
  • search list: The Search List (DNS and Bind)
  • severity: Logging in BIND 8 and 9 (DNS and Bind)
  • TTL: Changing TTLs (DNS and Bind)
  • • Changing Other SOA Values (DNS and Bind)
• defaults parameter (gated): The ospf Statement (TCP/IP Network Administration)
• default_stderr channel: Stderr channel (DNS and Bind)
• DefaultType directive (httpd.conf file): Defining File Types (TCP/IP Network Administration)
• Defense Advanced Research Projects Agency (DARPA): TCP/IP and the Internet (TCP/IP Network Administration)
• Defense Communications Agency (DCA): TCP/IP and the Internet (TCP/IP Network Administration)
• Defense Data Network (DDN): TCP/IP and the Internet (TCP/IP Network Administration)
• defense in depth: Defense in Depth (Building Internet Firewalls)
• • Defense in depth (Building Internet Firewalls)
  • Defense in depth (Building Internet Firewalls)
• define class command (sendmail): Defining Classes (TCP/IP Network Administration)
• define macro command (sendmail): The Define Macro Command (TCP/IP Network Administration)
• • sendmail Macros (TCP/IP Network Administration)
  • define (TCP/IP Network Administration)
• defining problems in troubleshooting: Generic Troubleshooting (Network Troubleshooting Tools)
• definition fields (sendmail mailers): Defining Mailers (TCP/IP Network Administration)
• deflate option (pppd): The PPP Daemon (TCP/IP Network Administration)
• defname option (nslookup): Option Settings (DNS and Bind)
• defunct processes: ps (Network Troubleshooting Tools)
• DEL command (POP): Post Office Protocol (TCP/IP Network Administration)
• delay between packets (see intervals between packets)
• delegated name servers: "Delegated" name server configuration (DNS and Bind)
• delegation
• • checking: Good Parenting (DNS and Bind)
  • • Incorrect Subdomain Delegation (DNS and Bind)
  • managing with stubs: Stubs: another way to manage delegation (DNS and Bind)
  • old information: Old delegation information (DNS and Bind)
  • • Old delegation information (DNS and Bind)
  • securing for in-addr.arpa zone: Registering Your Zones (DNS and Bind)
  • subdomains and: The us domain (DNS and Bind)
  • • Missing Subdomain Delegation (DNS and Bind)
    • Incorrect Subdomain Delegation (DNS and Bind)
• delegations
• • bad: Common Syslog Messages (DNS and Bind)
  • lame (see lame delegation)
• DELETE command (IMAP): Internet Message Access Protocol (TCP/IP Network Administration)
• delete keyword
• • dbmmanage command: Improved user authentication (TCP/IP Network Administration)
  • route command: Building a Static Routing Table (TCP/IP Network Administration)
• deleting
• • administrative files: Enabling NIS on client hosts (Managing NFS and NIS)
  • aliases: Removing Parent Aliases (DNS and Bind)
  • CNAME records: Removing Parent Aliases (DNS and Bind)
  • core dumps: Throw Core (Essential SNMP)
  • data from captured packets: tcpdpriv (Network Troubleshooting Tools)
  • email attachments: Email (Network Troubleshooting Tools)
  • email, POP servers: Post Office Protocol (TCP/IP Network Administration)
  • events: The Alarm Browser (Essential SNMP)
  • hosts: Adding and Deleting Hosts (DNS and Bind)
  • lockfiles: Disk-Space Checker (Essential SNMP)
  • nodes from maps: FilterExpressions (Essential SNMP)
  • old data-collection files: Designing collections (Essential SNMP)
  • packages: Solaris Packages (Network Troubleshooting Tools)
• Delivery Status Notification (see DSN)
• delta values
• • computing: Defining OIDs (Essential SNMP)
  • in thresholds: RMON configuration (Essential SNMP)
• demand option (pppd): The PPP Daemon (TCP/IP Network Administration)
• Demilitarized Zone (DMZ): Some Firewall Definitions (Building Internet Firewalls)
• denial of service attacks: Denial of service (Building Internet Firewalls)
• • Electronic Mail (Building Internet Firewalls)
  • Denial of Service (Building Internet Firewalls)
  • HTTP and: HTTP Server Security (Building Internet Firewalls)
  • ICMP and: ICMP and Network Diagnostics (Building Internet Firewalls)
  • JavaScript and: JavaScript (Building Internet Firewalls)
  • protecting against: Protecting Services (Building Internet Firewalls)
• denial of service (DoS): Assessing the Threat (TCP/IP Network Administration)
• Deny from directive (Directory containers): Defining Access Controls (TCP/IP Network Administration)
• deny keyword parameter (dhcpd): Configuration Parameters (TCP/IP Network Administration)
• DenyForwardingPort: Serverwide configuration (SSH, The Secure Shell)
• DenyForwardingTo: Serverwide configuration (SSH, The Secure Shell)
• DenyGroups: Group access control (SSH, The Secure Shell)
• DenyHosts: Hostname access control (SSH, The Secure Shell)
• • shosts access control (SSH, The Secure Shell)
• DenySHosts: shosts access control (SSH, The Secure Shell)
• DenyTcpForwardingForGroups: Forwarding (SSH, The Secure Shell)
• DenyTcpForwardingForUsers: Forwarding (SSH, The Secure Shell)
• DenyUsers: Account access control (SSH, The Secure Shell)
• • Restricting Access by Host or Domain (SSH, The Secure Shell)
• dependencies, map files: Map file dependencies (Managing NFS and NIS)
• dependency in users: Ego management (Network Troubleshooting Tools)
• DependOnGroup registry key: Registry keys (Building Internet Firewalls)
• DependOnService registry key: Registry keys (Building Internet Firewalls)
• depmod command (Linux): Using Dynamically Loadable Modules (TCP/IP Network Administration)
• dequote (sendmail K command value): The sendmail K Command (TCP/IP Network Administration)
• 3DES: Triple-DES (SSH, The Secure Shell)
• DES algorithm: The SNMPv3 Engine (Essential SNMP)
• • Configuring SNMPv3 for a Cisco Router (Essential SNMP)
  • Configuring SNMPv3 for Net-SNMP (Essential SNMP)
• DES (Data Encryption Standard): Symmetric key encryption (Managing NFS and NIS)
• • Acknowledgments (SSH, The Secure Shell)
  • Data Encryption Standard (DES) (SSH, The Secure Shell)
• DES (Data Encryption Standard) algorithm: Encryption Algorithms (Building Internet Firewalls)
• descr field (RIPE database): Obtaining an IN-ADDR.ARPA domain (TCP/IP Network Administration)
• designated routers (OSPF): Open Shortest Path First (TCP/IP Network Administration)
• designing performance measurement test: General steps (Network Troubleshooting Tools)
• designing rewalls: Buying Versus Building (Building Internet Firewalls)
• DeskTalk Systems, Inc.: Trend Analysis (Essential SNMP)
• Destination Address
• • datagram headers: The datagram (TCP/IP Network Administration)
  • TCP headers: The IP Address (TCP/IP Network Administration)
• destination addresses
• • filtering: Address filtering. (Network Troubleshooting Tools)
  • MGEN settings: MGEN (Network Troubleshooting Tools)
  • nemesis settings: nemesis (Network Troubleshooting Tools)
  • in routing tables: netstat (Network Troubleshooting Tools)
  • • netstat (Network Troubleshooting Tools)
• Destination field
• • Linux routing table: The Routing Table (TCP/IP Network Administration)
  • routing tables: The Minimal Routing Table (TCP/IP Network Administration)
• Destination field (Linux routing table): The Routing Table (TCP/IP Network Administration)
• Destination Port: Transmission Control Protocol (TCP/IP Network Administration)
• Destination Port numbers (UDP): User Datagram Protocol (TCP/IP Network Administration)
• destination unreachable codes (see ICMP)
• Destination Unreachable Message (ICMP): Internet Control Message Protocol (TCP/IP Network Administration)
• destination values (routing tables): The Routing Table (TCP/IP Network Administration)
• detached processes, running tcpdump as: Using tcpdump (Network Troubleshooting Tools)
• detail
• • DSN error code: Transforming the Address (TCP/IP Network Administration)
  • gated trace statements: Trace Statements (TCP/IP Network Administration)
• detailed output (see verbose output)
• detecting
• • intruders: Web mode (Network Troubleshooting Tools)
  • packet sniffers: Protecting Yourself (Network Troubleshooting Tools)
• /dev/random: Randomness (SSH, The Secure Shell)
• /dev/urandom: Randomness (SSH, The Secure Shell)
• dev/cua3 argument (pppd command): The PPP Daemon (TCP/IP Network Administration)
• developing solutions in troubleshooting: Generic Troubleshooting (Network Troubleshooting Tools)
• device discovery
• • automatic discovery problems: Mapping or Diagramming (Network Troubleshooting Tools)
  • IP address management and: IP Address Management (Network Troubleshooting Tools)
  • in network management software: Characteristics of Management Software (Network Troubleshooting Tools)
  • network mapping: Mapping or Diagramming (Network Troubleshooting Tools)
  • politics and security: Politics and Security (Network Troubleshooting Tools)
  • tools: Device Discovery (Network Troubleshooting Tools)
  • • arpwatch tool: arpwatch (Network Troubleshooting Tools)
    • nmap tool: nmap (Network Troubleshooting Tools)
    • scripting tools: Scripts (Network Troubleshooting Tools)
    • tkined tool: Autodiscovery with tkined (Network Troubleshooting Tools)
    • types of: Discovery and Mapping Tools (Network Troubleshooting Tools)
• device drivers
• • Ethernet, loading: Using Dynamically Loadable Modules (TCP/IP Network Administration)
  • installing, pkgadd command: Using Dynamically Loadable Modules (TCP/IP Network Administration)
• DEVICE (Linux configuration value): Assigning an Address (TCP/IP Network Administration)
• device monitoring
• • Microsoft Windows: Microsoft Windows (Network Troubleshooting Tools)
  • NET SNMP tool: SNMP-Based Management Tools (Network Troubleshooting Tools)
  • with non-SNMP applications: Non-SNMP Approaches (Network Troubleshooting Tools)
  • ports: Access to Traffic (Network Troubleshooting Tools)
  • scotty tool: scotty (Network Troubleshooting Tools)
  • switches in path devices: Access to Traffic (Network Troubleshooting Tools)
  • tkined tool: tkined (Network Troubleshooting Tools)
  • with SNMP (see SNMP)
• device type identification: Stack Fingerprinting (Network Troubleshooting Tools)
• devices
• • adding to maps: Drawing maps with tkined (Network Troubleshooting Tools)
  • agent software in: SNMP Agents (Essential SNMP)
  • as bottlenecks: Bottleneck analysis (Network Troubleshooting Tools)
  • configuring with SNMP: snmpset (Network Troubleshooting Tools)
  • counting MIB objects in: Walking the MIB Tree with OpenView (Essential SNMP)
  • discovering (see device discovery)
  • discovering with SNMPc: Discovery and Filters (Essential SNMP)
  • element managers: Element Managers (Vendor-Specific Management) (Essential SNMP)
  • emulators: Network Emulators and Simulators (Network Troubleshooting Tools)
  • fully-qualified domain names: Parameter Settings (Essential SNMP)
  • identifying types of: Device Identification (Network Troubleshooting Tools)
  • locations: Parameter Settings (Essential SNMP)
  • manageable types: In the End (Essential SNMP)
  • MIBs for: Configuration and options (Network Troubleshooting Tools)
  • monitoring (see device monitoring, SNMP)
  • MRTG and: Using MRTG (Essential SNMP)
  • • Using MRTG (Essential SNMP)
  • mrtg information: mrtg configuration file (Network Troubleshooting Tools)
  • NMS suite applications: NMS Suites (Essential SNMP)
  • non-SNMP devices: Other Data-Gathering Applications (Essential SNMP)
  • parameter settings: Parameter Settings (Essential SNMP)
  • polling
  • • external: External Polling (Essential SNMP)
    • internal: Internal Polling (Essential SNMP)
    • by type: OpenView Graphing (Essential SNMP)
  • polling with tkined: Other commands (Network Troubleshooting Tools)
  • security: SNMP Communities (Essential SNMP)
  • • Security Concerns (Essential SNMP)
    • Security Concerns (Essential SNMP)
  • sending traps: Sending Traps (Essential SNMP)
  • • forcing hardware to send traps: Forcing Your Hardware to Generate Traps (Essential SNMP)
    • hooks in programs: Using Hooks with Your Programs (Essential SNMP)
    • Net-SNMP: Sending Traps with Net-SNMP (Essential SNMP)
    • OpenView: Sending Traps with OpenView (Essential SNMP)
    • Perl scripts: Sending Traps with Perl (Essential SNMP)
    • Trap Generator: Sending Traps with Network Computing Technologies Trap Generator (Essential SNMP)
  • single-homed: Retrieving Multiple MIB Values (Essential SNMP)
  • SNMP compatibility: What Does SNMP-Compatible Really Mean? (Essential SNMP)
  • SNMP management: Network Management and Monitoring (Essential SNMP)
  • staffing resources for maintenance: Human Considerations (Essential SNMP)
  • supporting software: Supporting Software (Essential SNMP)
  • trend-analysis software: Trend Analysis (Essential SNMP)
  • troubleshooting installation: Installation Testing (Network Troubleshooting Tools)
  • unreachable: ICMP monitoring (Network Troubleshooting Tools)
  • upgrading: Upgrading Your Hardware (Essential SNMP)
  • vendor-specific applications: Element Managers (Vendor-Specific Management) (Essential SNMP)
  • versions of SNMP in: Is My Device SNMP-Compatible? (Essential SNMP)
• devices, mounting and: Resolving mount problems (Managing NFS and NIS)
• devices statement (BSD Unix kernel configuration): The device statement (TCP/IP Network Administration)
• Dfs (Distributed File System): Distributed File System (Dfs) (Building Internet Firewalls)
• dgram field (inet.conf file): The Internet Daemon (TCP/IP Network Administration)
• dh value (share command): The share command (TCP/IP Network Administration)
• DHCP (Dynamic Host Configuration Protocol): Dynamic Host Configuration Protocol (DHCP) (Building Internet Firewalls)
• • Dynamic Host Configuration Protocol (TCP/IP Network Administration)
  • arpwatch tool and: arpwatch (Network Troubleshooting Tools)
  • dhcpd file: dhcpd.conf (TCP/IP Network Administration)
  • dynamic updates and: DNS Dynamic Update (DNS and Bind)
  • filters: Using OpenView Filters (Essential SNMP)
  • identifying address ranges: Mapping or Diagramming (Network Troubleshooting Tools)
  • ifconfig and: Initializing an interface (Managing NFS and NIS)
  • IP address management and: IP Address Management (Network Troubleshooting Tools)
  • operational principles: How DHCP works (TCP/IP Network Administration)
  • overview: DHCP (TCP/IP Network Administration)
  • polling options: The netmon Process (Essential SNMP)
  • rogue servers: arp (Network Troubleshooting Tools)
  • system configuration information, distributing to end-users: Informing the Users (TCP/IP Network Administration)
• dhcpd
• • command-line options: The dhcpd Command (TCP/IP Network Administration)
  • common options: Commonly used options (TCP/IP Network Administration)
  • compiling: Compiling dhcpd (TCP/IP Network Administration)
  • mailing list: Compiling dhcpd (TCP/IP Network Administration)
  • option statement: DHCP Options (TCP/IP Network Administration)
  • other options: Other options (TCP/IP Network Administration)
  • parameter statements: Configuration Parameters (TCP/IP Network Administration)
  • syntax: The dhcpd Command (TCP/IP Network Administration)
• dhcpd.conf file: dhcpd.conf (TCP/IP Network Administration)
• • The dhcpd.conf Configuration File (TCP/IP Network Administration)
  • parameters: dhcpd.conf (TCP/IP Network Administration)
  • range parameter: dhcpd.conf (TCP/IP Network Administration)
  • topology statements: Topology Statements (TCP/IP Network Administration)
• DHCPDISCOVER packet: How DHCP works (TCP/IP Network Administration)
• DHCPOFFER packet: How DHCP works (TCP/IP Network Administration)
• diagnostic tools: Testing Adapters (Network Troubleshooting Tools)
• • Sources of Information (Network Troubleshooting Tools)
  • nfsbug utility: nfsbug (Managing NFS and NIS)
  • time synchronization: Time synchronization (Managing NFS and NIS)
• diagnostic tools, NFS: NFS Diagnostic Tools (Managing NFS and NIS)
• • administration: NFS administration tools (Managing NFS and NIS)
  • NFS Server Logging utility: NFS server logging (Managing NFS and NIS)
  • NFS version 2: Version 2 and Version 3 differences (Managing NFS and NIS)
  • NFSWATCH: NFSWATCH (Managing NFS and NIS)
  • publicly available: Publicly available diagnostics (Managing NFS and NIS)
  • SATAN: SATAN (Managing NFS and NIS)
  • statistics: NFS statistics (Managing NFS and NIS)
• diagramming networks (see mapping networks)
• diagramming the system: Labeling and Diagramming Your System (Building Internet Firewalls)
• dial command (dip): Dial-Up PPP (TCP/IP Network Administration)
• • The dip Script File (TCP/IP Network Administration)
• dial-in access, traceroute and: Complications with traceroute (Network Troubleshooting Tools)
• dial-on-demand connections: Running Authoritative Name Servers over Dial-on-Demand (DNS and Bind)
• dial-up connections: The PPP Daemon (TCP/IP Network Administration)
• • dip
  • • sample script file: sample dip script (TCP/IP Network Administration)
    • script file: The dip Script File (TCP/IP Network Administration)
    • syntax: Dial-Up IP (TCP/IP Network Administration)
  • PPP, configuring: Dial-Up PPP (TCP/IP Network Administration)
  • pppd, syntax: The PPP Daemon (TCP/IP Network Administration)
  • scripts, troubleshooting: Troubleshooting Serial Connections (TCP/IP Network Administration)
• dial-up IP (see dip)
• Dial-Up Networking (see DUN)
• dialup connections: Dialup Connections (DNS and Bind)
• • mamual: Manual Dialup with One Host (DNS and Bind)
• dialup option (named): The options Statement (TCP/IP Network Administration)
• dialup substatement: Running Authoritative Name Servers over Dial-on-Demand (DNS and Bind)
• dictionary attack: Installing a Public Key on an SSH ServerMachine (SSH, The Secure Shell)
• dictionary attacks: One-Time Password Software (Building Internet Firewalls)
• differential growth in networks: Capacity planning (Network Troubleshooting Tools)
• Diffie-Hellman authentication: AUTH_DH: Diffie-Hellman authentication (Managing NFS and NIS)
• diffie-hellman-group1-sha1: Session key exchange and the server key (SSH, The Secure Shell)
• Diffie-Hellman key-agreement algorithm: Session key exchange and the server key (SSH, The Secure Shell)
• • Diffie-Hellman key agreement (SSH, The Secure Shell)
• Diffie-Helman algorithm: Key Exchange (Building Internet Firewalls)
• dig (debugging tool): dig: An Alternative to nslookup (TCP/IP Network Administration)
• dig domain name tool: nslookup and dig (Network Troubleshooting Tools)
• • Sources for Tools (Network Troubleshooting Tools)
• dig utility: Keeping the Root Hints Current (DNS and Bind)
• • vs. nslookup: Using dig (DNS and Bind)
  • options for: dig Options (DNS and Bind)
  • using: Using dig (DNS and Bind)
  • zone transfers, performing with: Zone Transfers with dig (DNS and Bind)
• digest (MIME data subtype): Multipurpose Internet Mail Extensions (TCP/IP Network Administration)
• digital certificates: Protocol (SSH, The Secure Shell) 1.6.6. Secure Socket Layer (SSL)
• digital signature: Digital Signatures (Building Internet Firewalls)
• • in ActiveX: ActiveX (Building Internet Firewalls)
  • in OpenPGP: S/MIME and OpenPGP (Building Internet Firewalls)
  • in S/MIME: S/MIME and OpenPGP (Building Internet Firewalls)
  • algorithms: Digital Signature Algorithms (Building Internet Firewalls)
• Digital Signature Algorithm (see DSA)
• Digital Signature Standard (DSS): Digital Signature Algorithm (DSA) (SSH, The Secure Shell)
• digital signatures: Public- and Secret-Key Cryptography (SSH, The Secure Shell)
• Digital Unix, configuring resolvers for: Compaq's Tru64 Unix and Digital Unix (DNS and Bind)
• Digital Unix operating system: NMS Suites (Essential SNMP)
• Dijkstra Shortest Path First (SPF) algorithm: Open Shortest Path First (TCP/IP Network Administration)
• dip command: Dial-Up PPP (TCP/IP Network Administration)
• dip (dial-up IP)
• • configuring: Dial-Up PPP (TCP/IP Network Administration)
  • options: Dial-Up IP (TCP/IP Network Administration)
  • sample script file: sample dip script (TCP/IP Network Administration)
  • script file: The dip Script File (TCP/IP Network Administration)
  • syntax: Dial-Up IP (TCP/IP Network Administration)
• .dir files: Map files (Managing NFS and NIS)
• • makedbm utility[dir files
  • • makedbm utility: Map naming (Managing NFS and NIS)
• Direct Client Connections (DCC): Internet Relay Chat (IRC) (Building Internet Firewalls)
• direct delivery (SMTP): Simple Mail Transfer Protocol (TCP/IP Network Administration)
• direct map configuration file (automounter): NFS Automounter (TCP/IP Network Administration)
• direct maps, automounter: Automounter maps (Managing NFS and NIS)
• • Direct maps (Managing NFS and NIS)
  • conversion: Conversion of direct maps (Managing NFS and NIS)
  • updating: Updating NIS-managed automount maps (Managing NFS and NIS)
• direct measurements vs. emulation or simulation: Network Emulators and Simulators (Network Troubleshooting Tools)
• directed graphs (OSPF): Open Shortest Path First (TCP/IP Network Administration)
• directives: The Resolver (DNS and Bind)
• • Apache
  • • configuration: Loading Dynamic Shared Objects (TCP/IP Network Administration)
    • directory-level configuration control: Directory-Level Configuration Controls (TCP/IP Network Administration)
    • httpd process control: Managing the Swarm (TCP/IP Network Administration)
    • log files: Defining the log file format (TCP/IP Network Administration)
    • MIME file types: Defining File Types (TCP/IP Network Administration)
    • performance tuning: Performance Tuning Directives (TCP/IP Network Administration)
    • user authentication: Requiring user authentication (TCP/IP Network Administration)
    • web server document locations: Defining Where Things Are Stored (TCP/IP Network Administration)
  • BIND: Zone File Directives (TCP/IP Network Administration)
  • httpd.conf file, configuration: Basic Configuration Directives (TCP/IP Network Administration)
  • list of: BIND Name Server Boot File Directives and Configuration File Statements (DNS and Bind)
  • zone files, creating: Zone File Records (TCP/IP Network Administration)
• directives in mrtg configuration files: mrtg configuration file (Network Troubleshooting Tools)
• directories
• • Apache, configuration control: Directory-Level Configuration Controls (TCP/IP Network Administration)
  • content caching, incorrect (debugging case study): Incorrect directory content caching (Managing NFS and NIS)
  • creating: NFS RPC procedures (Managing NFS and NIS)
  • destroying: NFS RPC procedures (Managing NFS and NIS)
  • entries
  • • hard links: Symbolic links (Managing NFS and NIS)
    • symbolic links: Symbolic links (Managing NFS and NIS)
  • indexing, Apache: Creating a Fancy Index (TCP/IP Network Administration)
  • mount point: NFS administration tools (Managing NFS and NIS)
  • in OpenView: HP's OpenView Network Node Manager (Essential SNMP)
  • organizing zone data files in: Using Several Directories (DNS and Bind)
• Directory containers (Apache): Defining Where Things Are Stored (TCP/IP Network Administration)
• • server options, controlling: Controlling Server Options (TCP/IP Network Administration)
• Directory directive (httpd.conf file): Defining Where Things Are Stored (TCP/IP Network Administration)
• Directory field (sendmail): Defining Mailers (TCP/IP Network Administration)
• directory name lookup cache (DNLC): Server-side caching (Managing NFS and NIS)
• directory operations
• • mkdir: NFS RPC procedures (Managing NFS and NIS)
  • rmdir: NFS RPC procedures (Managing NFS and NIS)
• directory option (named): The options Statement (TCP/IP Network Administration)
• Directory Replication (Windows): Windows Directory Replication (Building Internet Firewalls)
• directory services
• • commonly used: Brief survey of common directory services (Managing NFS and NIS)
  • DNS: Directory Name Service (DNS) (Managing NFS and NIS)
  • hosts database and: The hosts database (Managing NFS and NIS)
  • LDAP: Lightweight Directory Access Protocol (LDAP) (Managing NFS and NIS)
  • • security and: How secure are NIS and NFS? (Managing NFS and NIS)
  • multiple: Name service switch (Managing NFS and NIS)
  • NIS: Network Information Service (NIS) (Managing NFS and NIS)
  • NT Domain: NT Domain (Managing NFS and NIS)
  • purpose: Purpose of directory services (Managing NFS and NIS)
  • selecting: Which directory service to use (Managing NFS and NIS)
  • X.500: (Managing NFS and NIS)
• directory sharing
• • mounting remote directories: Mounting Remote Filesystems (TCP/IP Network Administration)
  • NFS
  • • daemons: NFS Daemons (TCP/IP Network Administration)
    • overview: The Network File System (TCP/IP Network Administration)
  • Samba: Sharing directories through Samba (TCP/IP Network Administration)
  • Unix: Sharing Unix Filesystems (TCP/IP Network Administration)
• DirectoryIndex option (Apache): Defining Where Things Are Stored (TCP/IP Network Administration)
• dirty page clustering: Client I/O system (Managing NFS and NIS)
• --disable flags: Configuration standards (SSH, The Secure Shell)
• disabled UDP checksums: Name Server Startup Fails Because UDP Checksums Disabled (DNS and Bind)
• disabling
• • Berkeley packet filter: Protecting Yourself (Network Troubleshooting Tools)
  • routing (see routers, disabling)
  • services: Disabling Nonrequired Services (Building Internet Firewalls)
  • • on Unix: Disabling Services Under Unix (Building Internet Firewalls)
    • • Specific Unix Services to Disable (Building Internet Firewalls)
    • on Windows: How to Disable Services Under Windows (Building Internet Firewalls)
    • • Specific Windows Services to Disable (Building Internet Firewalls)
• discard service: Mostly Harmless Protocols (Building Internet Firewalls)
• discarding
• • alarms: RMON configuration (Essential SNMP)
  • events: RMON configuration (Essential SNMP)
• disconnect option (pppd): The PPP Daemon (TCP/IP Network Administration)
• disconnecting
• • from network: Disconnect or Shut Down, as Appropriate (Building Internet Firewalls)
  • • plan for: Planning for Disconnecting or Shutting Down Machines (Building Internet Firewalls)
  • machine: Planning for Disconnecting or Shutting Down Machines (Building Internet Firewalls)
  • • after incident: Disconnect or Shut Down, as Appropriate (Building Internet Firewalls)
• discovering devices (see device discovery)
• discovering paths: Path Discovery with traceroute (Network Troubleshooting Tools)
• discovery intervals, fixed: The netmon Process (Essential SNMP)
• discovery process
• • OpenView (netmon): Running NNM (Essential SNMP)
  • • The netmon Process (Essential SNMP)
    • filters: Using OpenView Filters (Essential SNMP)
    • polling intervals: Configuring Polling Intervals (Essential SNMP)
    • seed files: The netmon Process (Essential SNMP)
  • SNMPc: Discovery and Filters (Essential SNMP)
  • • seed devices: Castle Rock's SNMPc Enterprise version (Essential SNMP)
    • • Discovery and Filters (Essential SNMP)
• disk space (see memory resources)
• • checking with Net-SNMP: Net-SNMP (Essential SNMP)
  • checking with OpenView: Disk-Space Checker (Essential SNMP)
  • graphing usage: MRTG (Essential SNMP)
  • host resources information: Host Management Revisited (Essential SNMP)
  • NMS requirements: Hardware Considerations (Essential SNMP)
• disk status, checking with Veritas Volume Manager: Veritas Disk Check (Essential SNMP)
• disk usage information, retrieving: Agents and traps (Network Troubleshooting Tools)
• diskless clients
• • adding (Host Manager): Setting up a diskless client (Managing NFS and NIS)
  • AdminSuite software and: Setting up a diskless client (Managing NFS and NIS)
  • boot blocks: Getting a boot block (Managing NFS and NIS)
  • boot parameters: Managing boot parameters (Managing NFS and NIS)
  • • checking: Checking boot parameters (Managing NFS and NIS)
  • boot process: Diskless client boot process (Managing NFS and NIS)
  • booting through routers: Effects on diskless nodes (Managing NFS and NIS)
  • client swap space: Managing client swap space (Managing NFS and NIS)
  • client/server ratios: Client/server ratios (Managing NFS and NIS)
  • configuration: Diskless Clients (Managing NFS and NIS)
  • • Configuration options (Managing NFS and NIS)
  • filesystem locations: Setting up a diskless client (Managing NFS and NIS)
  • Host Manager and: Setting up a diskless client (Managing NFS and NIS)
  • inconsistent information: Missing and inconsistent client information (Managing NFS and NIS)
  • JumpStart: Brief introduction to JumpStart administration (Managing NFS and NIS)
  • kernels, booting: Booting a kernel (Managing NFS and NIS)
  • missing information: Missing and inconsistent client information (Managing NFS and NIS)
  • names: Changing a client's name (Managing NFS and NIS)
  • NFS support: NFS support for diskless clients (Managing NFS and NIS)
  • partitions: NFS support for diskless clients (Managing NFS and NIS)
  • PROM monitor and: Booting a kernel (Managing NFS and NIS)
  • reasons for use: Diskless Clients (Managing NFS and NIS)
  • root filesystems, booting kernel image: Booting a kernel (Managing NFS and NIS)
  • setup: Setting up a diskless client (Managing NFS and NIS)
  • troubleshooting: Troubleshooting (Managing NFS and NIS)
  • VFS_MOUNTROOT( ) VFS operation: NFS support for diskless clients (Managing NFS and NIS)
• diskless nodes, partitioning and: Effects on diskless nodes (Managing NFS and NIS)
• disks, needs for: What Hardware Configuration? (Building Internet Firewalls)
• Dispatcher (SNMPv3 engine): The SNMPv3 Engine (Essential SNMP)
• DISPLAY: The SSH Agent (SSH, The Secure Shell)
• • The X Window System (SSH, The Secure Shell)
  • buggy X libraries, circumventing: Compilation Flags (SSH, The Secure Shell)
  • setting: Setting your DISPLAY environment variable (SSH, The Secure Shell)
  • ssh-add behavior: Loading Keys with ssh-add (SSH, The Secure Shell)
• display filters in ethereal: Display filters (Network Troubleshooting Tools)
• displaying
• • data in collections: Creating a threshold (Essential SNMP)
  • events: HP OpenView (Essential SNMP)
  • • The Event Categories Display (Essential SNMP)
  • MRTG graphs: Viewing Graphs (Essential SNMP)
  • traps: Monitoring Traps with Perl (Essential SNMP)
• DisplayName registry key: Registry keys (Building Internet Firewalls)
• displays: The X Window System (SSH, The Secure Shell)
• distance-vector algorithms, routing: Interior Routing Protocols (TCP/IP Network Administration)
• distfile file: Primary Master and Slave Servers (DNS and Bind)
• Distfiles: rdist (TCP/IP Network Administration)
• Distributed Component Object Model (DCOM): Distributed Component Object Model (DCOM) (Building Internet Firewalls)
• Distributed File System (Dfs): Distributed File System (Dfs) (Building Internet Firewalls)
• distributed management: Centralized versus distributed management (Managing NFS and NIS)
• Distributed Management Task Force: Look Ahead (Essential SNMP)
• distributed servers, managing: Managing Distributed Servers (TCP/IP Network Administration)
• distributed systems
• • forwarding events: Forwarding events and event severities (Essential SNMP)
  • NMS architecture: NMS Architectures (Essential SNMP)
  • polling: External Polling (Essential SNMP)
• distribution of maps: Map distribution (Managing NFS and NIS)
• distributors, Unix versions of SSH products: Installation and Compile-Time Configuration (SSH, The Secure Shell)
• diversity of defense systems: Diversity of Defense (Building Internet Firewalls)
• divert macro (sendmail): sendmail Macros (TCP/IP Network Administration)
• divide and conquer technique: General Approaches to Troubleshooting (Network Troubleshooting Tools)
• DMA channels in adapter settings: Testing Adapters (Network Troubleshooting Tools)
• dmesg command: Kernel (Network Troubleshooting Tools)
• • The Interface Name (TCP/IP Network Administration)
• DMZ (Demilitarized Zone): Some Firewall Definitions (Building Internet Firewalls)
• dname parameter (res_search): The Resolver Library Routines (DNS and Bind)
• DNAME records: , DNAMEs, Bitstring Labels, and ip6.arpa (DNS and Bind)
• • creating aliases with: CNAMEs Attached to Interior Nodes (DNS and Bind)
  • reverse mapping and: DNAME records and reverse mapping (DNS and Bind)
• dnl command: Building a sendmail.cf with m4 macros (TCP/IP Network Administration)
• dnl macro (sendmail): sendmail Macros (TCP/IP Network Administration)
• DNLC (directory name lookup cache): Server-side caching (Managing NFS and NIS)
• DNS (Domain Name Service, Domain Name Server): Directory Name Service (DNS) (Managing NFS and NIS)
• • The Domain Name System tutorial (DNS and Bind)
  • Application Layer (TCP/IP Network Administration)
  • Naming and Directory Services (Building Internet Firewalls)
  • Selecting Services Provided by a Bastion Host (Building Internet Firewalls)
  • Domain Name System (DNS) (Building Internet Firewalls)
  • rsh Suite (R-Commands) (SSH, The Secure Shell)
  • Reverse IP mappings (SSH, The Secure Shell)
  • Domain name servers (Managing NFS and NIS)
  • BIND
  • • configurations: BIND Configurations (TCP/IP Network Administration)
    • configuring resolvers: Configuring the Resolver (TCP/IP Network Administration)
    • resolver-only configuration (TCP/IP Network Administration)
  • caching-only servers, configuring: caching-only server configuration (TCP/IP Network Administration)
  • domain names: NIS and DNS domain names (Managing NFS and NIS)
  • • NIS deriving: NIS and DNS domain names (Managing NFS and NIS)
  • enabled on NIS client: Run NIS on client, enable DNS on NIS client (Managing NFS and NIS)
  • hostnames not managed by NIS: Run NIS on client, enable DNS on NIS server (Managing NFS and NIS)
  • migrating from NIS for host naming: Migrating from NIS to DNS for host naming (Managing NFS and NIS)
  • NIS clients/servers: Run DNS on NIS clients and servers (Managing NFS and NIS)
  • NIS comparison: DNS versus NIS (Managing NFS and NIS)
  • NIS integration: DNS integration with NIS (Managing NFS and NIS)
  • resolver routines: Run DNS on NIS clients and servers (Managing NFS and NIS)
  • resolving hostnames to IP addresses: Fully qualified and unqualified hostnames (Managing NFS and NIS)
  • DNS client: The nameserver Directive (DNS and Bind)
  • on Windows: Specific Windows Services to Disable (Building Internet Firewalls)
  • clients: Internal DNS clients query the internal server (Building Internet Firewalls)
  • compared to NIS: Network Information Service (TCP/IP Network Administration)
  • configuring hosts for: Configuring Hosts (DNS and Bind)
  • • consequences of: Minimizing Pain and Suffering (DNS and Bind)
  • configuring: DNS (Building Internet Firewalls)
  • • to hide information: Setting Up DNS to Hide Information, with Subdomains (Building Internet Firewalls)
    • without hiding information: Setting Up DNS Without Hiding Information (Building Internet Firewalls)
    • in screened subnet architecture: DNS (Building Internet Firewalls)
  • data: DNS Data (Building Internet Firewalls)
  • directives: Zone File Directives (TCP/IP Network Administration)
  • documentation about, limited: Preface (DNS and Bind)
  • domain hierarchy: The Domain Hierarchy (TCP/IP Network Administration)
  • domains, creating: Creating Domains and Subdomains (TCP/IP Network Administration)
  • email and: DNS and Electronic Mail (DNS and Bind)
  • extensions, working group for: Handy Mailing Lists and Usenet Newsgroups (DNS and Bind)
  • fake server: Set up a "fake" DNS server on the bastion host for the outside world to use (Building Internet Firewalls)
  • filesystems, comparison with: The Domain Name System tutorial (DNS and Bind)
  • • The Domain Name Space (DNS and Bind)
    • domains and: Domains (DNS and Bind)
  • hiding information with: Setting Up DNS to Hide Information, Without Subdomains (Building Internet Firewalls)
  • overview: BIND: Unix Name Service (TCP/IP Network Administration)
  • history of: The History of the Domain Name System (DNS and Bind)
  • host tables and: The Host Table (TCP/IP Network Administration)
  • how it works: How Does DNS Work? (DNS and Bind)
  • master name servers, configuring: Master and slave server configurations (TCP/IP Network Administration)
  • message format: Showing the Query and Response Messages (DNS and Bind)
  • • DNS Message Format (DNS and Bind)
  • name server record pointers: Creating Domains and Subdomains (TCP/IP Network Administration)
  • named command, configuring: Configuring named (TCP/IP Network Administration)
  • named.conf file: The named.conf File (TCP/IP Network Administration)
  • NIS, using with: Using DNS with NIS (DNS and Bind)
  • outages and IP addresses: Sending Traps (Essential SNMP)
  • overview: DNS (TCP/IP Network Administration)
  • querying with make-ssh-known-hosts utility: Creating the Serverwide Known-Hosts File (SSH, The Secure Shell)
  • revealing information to attackers: Revealing too much information to attackers (Building Internet Firewalls)
  • resource records: Standard Resource Records (TCP/IP Network Administration)
  • server for internal hosts: Set up a real DNS server on an internal system for internal hosts to use (Building Internet Firewalls)
  • Security Extensions (see DNSSEC)
  • slave servers, configuring: Master and slave server configurations (TCP/IP Network Administration)
  • system configuration: Getting Started (TCP/IP Network Administration)
  • SystemEDGE objects: SystemEDGE (Essential SNMP)
  • top-level domains: The Domain Hierarchy (TCP/IP Network Administration)
  • Unix, BIND: BIND, Resolvers, and named (TCP/IP Network Administration)
  • when to use: Must I Use DNS? (DNS and Bind)
  • Windows2000 and: DNS and Windows (DNS and Bind)
  • • Windows and DNS (Building Internet Firewalls)
  • WINS and: DNS and WINS (DNS and Bind)
• DNS Dynamic Update (see dynamic update)
• DNS Mail Exchange (MX): Configuring SMTP to Work with a Firewall (Building Internet Firewalls)
• DNS messages: Common Syslog Messages (DNS and Bind)
• DNS NOTIFY: SOA Values (DNS and Bind)
• • DNS NOTIFY (Zone Change Notification) (DNS and Bind)
  • BIND support for: Getting BIND (DNS and Bind)
• dns proxy option (nmbd command): NetBIOS Name Service (TCP/IP Network Administration)
• dns proxy parameter (smb.config file): Configuring a Samba Server (TCP/IP Network Administration)
• DNS resource records: The Zone Data Files (DNS and Bind)
• dns (sendmail K command value): The sendmail K Command (TCP/IP Network Administration)
• DNS traffic: Capacity Planning (DNS and Bind)
• • calculating: Capacity Planning (DNS and Bind)
• DNS UPDATE (see dynamic update)
• dnsquery domain name tool: nslookup and dig (Network Troubleshooting Tools)
• • Sources for Tools (Network Troubleshooting Tools)
• DNSSEC (DNS Security Extensions): The DNS Security Extensions (DNS and Bind)
• • dynamic update and: DNSSEC and Dynamic Update (DNS and Bind)
  • performance and: DNSSEC and Performance (DNS and Bind)
  • using records and: How the Records Are Used (DNS and Bind)
• dnsutl configuration tool: Other tools (Network Troubleshooting Tools)
• • Sources for Tools (Network Troubleshooting Tools)
• dnswalk domain name tool: doc, dnswalk, and lamers (Network Troubleshooting Tools)
• • doc, dnswalk, and lamers (Network Troubleshooting Tools)
  • Sources for Tools (Network Troubleshooting Tools)
• doc domain name tool: doc, dnswalk, and lamers (Network Troubleshooting Tools)
• • Sources for Tools (Network Troubleshooting Tools)
• documentation, Internet address requests: Obtaining an official network address (TCP/IP Network Administration)
• documentation, vendor: Sources of Information (Network Troubleshooting Tools)
• documenting
• • cabling: Installing New Cabling (Network Troubleshooting Tools)
  • networks: Documentation (Network Troubleshooting Tools)
  • • configuration: Documentation (Network Troubleshooting Tools)
    • • Host Configurations (Network Troubleshooting Tools)
    • failure to document: Ego management (Network Troubleshooting Tools)
    • process documentation: Documentation (Network Troubleshooting Tools)
    • trend analysis and: Capacity planning (Network Troubleshooting Tools)
  • plan for: Planning for Documentation (Building Internet Firewalls)
  • system after incident: Snapshot the System (Building Internet Firewalls)
  • • Planning for Snapshots (Building Internet Firewalls)
  • troubleshooting
  • • screen captures: Automating Documentation (Network Troubleshooting Tools)
    • steps: Automating Documentation (Network Troubleshooting Tools)
    • • Generic Troubleshooting (Network Troubleshooting Tools)
• DocumentRoot directive (Apache): Configuring Apache on Solaris (TCP/IP Network Administration)
• • web server document locations: Defining Where Things Are Stored (TCP/IP Network Administration)
• domain administration: BIND, Resolvers, and named (TCP/IP Network Administration)
• domain auth simple parameter (gated): The isis Statement (TCP/IP Network Administration)
• domain controllers: NTLM Domains (Building Internet Firewalls)
• • communication among: Controller-to-Controller Communication (Building Internet Firewalls)
• domain directive: The Resolver (DNS and Bind)
• • domain (DNS and Bind)
  • BIND 4.9 and: The search Directive (DNS and Bind)
  • setting local domain name with: The Local Domain Name (DNS and Bind)
• domain entry (resolv.conf file): The Resolver Configuration File (TCP/IP Network Administration)
• domain field (RIPE database): Obtaining an IN-ADDR.ARPA domain (TCP/IP Network Administration)
• Domain Internet Groper tool: nslookup and dig (Network Troubleshooting Tools)
• • Sources for Tools (Network Troubleshooting Tools)
• domain lists: Control file details (SSH, The Secure Shell)
• DOMAIN macro (sendmail): sendmail Macros (TCP/IP Network Administration)
• domain master browser, on Microsoft networks: Domain master browser (Building Internet Firewalls)
• domain name aliases: The Domain Name System tutorial (DNS and Bind)
• domain name labels: Domain Names (DNS and Bind)
• • Host Name Checking (BIND 4.9.4 and Later Versions) (DNS and Bind)
  • dot (.) separating: The Domain Name System tutorial (DNS and Bind)
  • resource record data and: Data Format (DNS and Bind)
• Domain Name Pointer (PTR) records: Domain Name Pointer record (TCP/IP Network Administration)
• domain name registrars: Creating Domains and Subdomains (TCP/IP Network Administration)
• domain name servers, system configuration: Getting Started (TCP/IP Network Administration)
• Domain Name Service (see DNS)
• • Domain name servers (Managing NFS and NIS)
• domain name space: The Domain Name Space (DNS and Bind)
• • CIDR and: Checking That Your Network Is Registered (DNS and Bind)
• Domain Name System (see DNS)
• • Application Layer (TCP/IP Network Administration)
• domain names: The Domain Name System tutorial (DNS and Bind)
• • Domain Names (DNS and Bind)
  • Domains (DNS and Bind)
  • Domain Names (TCP/IP Network Administration)
  • appending origin to: Appending Domain Names (DNS and Bind)
  • as argument in RP record: Responsible Person (DNS and Bind)
  • choosing: Choosing a Domain Name (DNS and Bind)
  • • under gTLD: The generic top-level domains (DNS and Bind)
  • collisions of (see name collisions)
  • compressing/expanding: Domain Name Compression (DNS and Bind)
  • default, option for: Option Settings (DNS and Bind)
  • FQDNs: Parameter Settings (Essential SNMP)
  • fully qualified (FQDNs): Domain Names (DNS and Bind)
  • • The Search List (DNS and Bind)
  • how to read: Reading Domain Names (DNS and Bind)
  • local: The Local Domain Name (DNS and Bind)
  • • can't be looked up: Local Name Can't Be Looked Up (DNS and Bind)
  • looking up local and remote with nslookup: Testing Your Setup with nslookup (DNS and Bind)
  • mail exchangers for: MX Records (DNS and Bind)
  • mapping (see mapping)
  • ndots setting for: The options Directive (DNS and Bind)
  • obtaining: Obtaining a Domain Name (TCP/IP Network Administration)
  • registering: Registering Your Zones (DNS and Bind)
  • • Registering a Domain (TCP/IP Network Administration)
  • resource record data and: Data Format (DNS and Bind)
  • servers for (see primary master name servers slave name servers)
  • setting
  • • for host: Set the local domain name (DNS and Bind)
    • search order for: The search Directive (DNS and Bind)
  • storing: Domain Name Storage (DNS and Bind)
  • SystemEDGE extended objects: SystemEDGE (Essential SNMP)
  • trailing dot (.) in: Missing Dot at the End of a Domain Name in a Zone Data File (DNS and Bind)
  • • Master File Format (DNS and Bind)
• domain names and netgroups: Netgroups (Managing NFS and NIS)
• domain names (Linux): The /etc/exports file (TCP/IP Network Administration)
• domain option (pppd): The PPP Daemon (TCP/IP Network Administration)
• domain option (share command): The share command (TCP/IP Network Administration)
• domain setting (smb.config file): Configuring a Samba Server (TCP/IP Network Administration)
• DOMAIN source file
• • DNS features: DOMAIN (TCP/IP Network Administration)
  • DNS macros: DOMAIN (TCP/IP Network Administration)
• DOMAIN source file (sendmail): DOMAIN (TCP/IP Network Administration)
• domainname command: Installing the NIS master server (Managing NFS and NIS)
• • NIS domains (Managing NFS and NIS)
  • NIS domains (Managing NFS and NIS)
  • Network Information Service (TCP/IP Network Administration)
• domains: The Domain Name System tutorial (DNS and Bind)
• • Domains (DNS and Bind)
  • Domains (DNS and Bind)
  • NIS domains (Managing NFS and NIS)
  • accounting: Masters, slaves, and clients (Managing NFS and NIS)
  • aliases: Domain aliases (Managing NFS and NIS)
  • aliases map: Managing multiple domains (Managing NFS and NIS)
  • binding: The ypbind daemon (Managing NFS and NIS)
  • cache initialization file: The Cache Initialization File (TCP/IP Network Administration)
  • caching-only server: BIND Configurations (TCP/IP Network Administration)
  • creating multiple: NIS domains (Managing NFS and NIS)
  • database definitions: NIS domains (Managing NFS and NIS)
  • default: Local Domain Name Not Set (DNS and Bind)
  • default, superuse and: NIS domains (Managing NFS and NIS)
  • definition of: NIS domains (Managing NFS and NIS)
  • delegating: Delegation (DNS and Bind)
  • • Missing Subdomain Delegation (DNS and Bind)
    • Incorrect Subdomain Delegation (DNS and Bind)
    • old information: Old delegation information (DNS and Bind)
  • dividing into: Dividing a network into domains (Managing NFS and NIS)
  • DNS
  • • creating: Creating Domains and Subdomains (TCP/IP Network Administration)
    • hierarchy: The Domain Hierarchy (TCP/IP Network Administration)
    • top-level: The Domain Hierarchy (TCP/IP Network Administration)
  • downloading for inspection, nslookup command: Using nslookup (TCP/IP Network Administration)
  • edu domain: DNS versus NIS (Managing NFS and NIS)
  • getting information about: Where in the World Do I Fit? (DNS and Bind)
  • • international domains: Where in the World Do I Fit? (DNS and Bind)
    • U.S. domains: Back in the U.S.A. (DNS and Bind)
  • graphing traffic measurements in: Web mode (Network Troubleshooting Tools)
  • group file: Managing multiple domains (Managing NFS and NIS)
  • hierarchical naming: Domain names (Managing NFS and NIS)
  • hosts, binding: NIS domains (Managing NFS and NIS)
  • hosts map: Managing multiple domains (Managing NFS and NIS)
  • in-addr.arpa: Delegating an in-addr.arpa Zone (DNS and Bind)
  • • Obtaining an IN-ADDR.ARPA domain (TCP/IP Network Administration)
  • internationalization and: Top-Level Domains (DNS and Bind)
  • Internet Domain Name service: Internet domains versus NIS domains (Managing NFS and NIS)
  • Internet domains versus NIS domains: Internet domains versus NIS domains (Managing NFS and NIS)
  • levels and: Domains (DNS and Bind)
  • listing machines in: nslookup and dig (Network Troubleshooting Tools)
  • managing multiple: Managing multiple domains (Managing NFS and NIS)
  • master name server: BIND Configurations (TCP/IP Network Administration)
  • names: Domain names (Managing NFS and NIS)
  • • DNS/NIS: NIS and DNS domain names (Managing NFS and NIS)
  • names of (see domain names)
  • NIS: Masters, slaves, and clients (Managing NFS and NIS)
  • • Network Information Service (TCP/IP Network Administration)
  • nonexistent domain message: No PTR Record for Name Server's Address (DNS and Bind)
  • original seven top-level: Top-Level Domains (DNS and Bind)
  • parenting and (see parenting)
  • passwd file: Managing multiple domains (Managing NFS and NIS)
  • research: Masters, slaves, and clients (Managing NFS and NIS)
  • servers, allocating: Number of NIS servers per domain (Managing NFS and NIS)
  • slave server: BIND Configurations (TCP/IP Network Administration)
  • source files: Managing multiple domains (Managing NFS and NIS)
  • vs. subdomains: Domains (DNS and Bind)
  • top-level (see top-level domains)
  • whois lookup service for: Where in the World Do I Fit? (DNS and Bind)
  • • Using whois (DNS and Bind)
  • zones: BIND: Unix Name Service (TCP/IP Network Administration)
• domains, on Microsoft networks: Domains and Workgroups (Building Internet Firewalls)
• domaintable (sendmail database feature): FEATURE (TCP/IP Network Administration)
• Domino server: Lotus Notes and Domino (Building Internet Firewalls)
• DontReadStdin (keyword): Backgrounding a remote command (SSH, The Secure Shell)
• DOS and NFS: PC/NFS Clients (Managing NFS and NIS)
• • (see also PC/NFS Clients )
• DOS attacks (denial of service): netstat (Network Troubleshooting Tools)
• • Security and ICMP (Network Troubleshooting Tools)
  • echoping (Network Troubleshooting Tools)
• DoS (denial of service): Assessing the Threat (TCP/IP Network Administration)
• dot (.)
• • local domain name and: The Local Domain Name (DNS and Bind)
  • ndots option: options ndots (4.9+) (DNS and Bind)
  • ndots setting for: The options Directive (DNS and Bind)
  • indicating root node: The Domain Name System tutorial (DNS and Bind)
  • separating domain name labels: The Domain Name System tutorial (DNS and Bind)
  • trailing: SOA Records (DNS and Bind)
  • • The Search List (DNS and Bind)
    • indicating absolute domain name: Domain Names (DNS and Bind)
    • • Master File Format (DNS and Bind)
    • in domain names: Missing Dot at the End of a Domain Name in a Zone Data File (DNS and Bind)
    • importance of not omitting: Appending Domain Names (DNS and Bind)
    • troubleshooting: Missing Dot at the End of a Domain Name in a Zone Data File (DNS and Bind)
• dot (.) files, disabling creation of: Disabling the creation of directories and certain files (Building Internet Firewalls)
• dotted-decimal notation (.), in OIDs: Naming OIDs (Essential SNMP)
• dotted decimal notation (IP addresses): The IP Address (TCP/IP Network Administration)
• dotted notation: Overview of SNMP (Network Troubleshooting Tools)
• • snmpget (Network Troubleshooting Tools)
  • mrtg configuration file (Network Troubleshooting Tools)
• dotted-octet notation: Mapping Addresses to Names (DNS and Bind)
• • CIDR and: Checking That Your Network Is Registered (DNS and Bind)
• double-reverse lookups: Mismatched data between the hostname and IP address DNS trees (Building Internet Firewalls)
• • Set up a "fake" DNS server on the bastion host for the outside world to use (Building Internet Firewalls)
• down preference (gated): Interface Statements (TCP/IP Network Administration)
• draft RFCs: RFCs and SNMP Versions (Essential SNMP)
• • SNMP RFCs (Essential SNMP)
• draft standards (RFCs): Protocol Standards (TCP/IP Network Administration)
• drec log tool: MGEN (Network Troubleshooting Tools)
• drift files (time settings): NTP (Network Troubleshooting Tools)
• driver configuration parameters: Kernel (Network Troubleshooting Tools)
• Driver Options field (printconf-gui): The printcap file (TCP/IP Network Administration)
• DROP keyword (iptables command): Defining iptables filter rules (TCP/IP Network Administration)
• dropped packets in measurements: spray (Network Troubleshooting Tools)
• DSA (Digital Signature Algorithm): Digital Signature Algorithms (Building Internet Firewalls)
• • Digital Signature Algorithm (DSA) (SSH, The Secure Shell)
  • key generation, Open SSH: Generating RSA/DSA Keys for OpenSSH (SSH, The Secure Shell)
• DSAAuthentication: Public-key authentication (SSH, The Secure Shell)
• dsmtp mailer: Building a sendmail.cf with m4 macros (TCP/IP Network Administration)
• DSN (Delivery Status Notification), error codes: Transforming the Address (TCP/IP Network Administration)
• dsniff security tools: Switch Security (Network Troubleshooting Tools)
• • Politics and Security (Network Troubleshooting Tools)
  • Sources for Tools (Network Troubleshooting Tools)
• DSO (Dynamic Shared Object): Loading Dynamic Shared Objects (TCP/IP Network Administration)
• DSS (Digital Signature Standard): Digital Signature Algorithm (DSA) (SSH, The Secure Shell)
• • Digital Signature Algorithms (Building Internet Firewalls)
• dual-homed hosts: Some Firewall Definitions (Building Internet Firewalls)
• • architecture of: Dual-Homed Host (Building Internet Firewalls)
  • as firewall: Turning Off Routing (Building Internet Firewalls)
  • nonrouting: Nonrouting Dual-Homed Hosts (Building Internet Firewalls)
  • proxy services (see proxy services)
• dual-port switches: Access to Traffic (Network Troubleshooting Tools)
• dump-file option (named): The options Statement (TCP/IP Network Administration)
• dump files
• • cache & data section: The Cache & Data section (TCP/IP Network Administration)
  • hints section: The Hints section (TCP/IP Network Administration)
  • zone tables: The zone table section (TCP/IP Network Administration)
• dumpdb command: ndc and controls (BIND 8) (DNS and Bind)
• • Cache Corruption (TCP/IP Network Administration)
• dumpel utility: Setting Up System Logs Under Windows (Building Internet Firewalls)
• DUN (Dial-Up Networking): Dialup Connections (DNS and Bind)
• • Windows 98 and: Windows 98 (DNS and Bind)
• Dunlap, Kevin: The History of BIND (DNS and Bind)
• duplex mode of lines: Using Input and Output Octets (Essential SNMP)
• duplicate IP addresses: arp (Network Troubleshooting Tools)
• • IP Address Management (Network Troubleshooting Tools)
• duplicate packets: Interpreting results (Network Troubleshooting Tools)
• duplicate queries: BIND 4.9 and 8 statistics (DNS and Bind)
• duplicate request caches
• • NFS servers: Identifying NFS retransmissions (Managing NFS and NIS)
• duplicate request caches, NFS servers: Request retransmission (Managing NFS and NIS)
• duplicating traffic on ports: Access to Traffic (Network Troubleshooting Tools)
• DURATION option (xinetd): Controlling Access with xinetd (TCP/IP Network Administration)
• dynamic address allocation: IP Address Management (Network Troubleshooting Tools)
• dynamic address allocation, dhcpd.conf file: dhcpd.conf (TCP/IP Network Administration)
• dynamic assignment: Assigning Host Addresses (TCP/IP Network Administration)
• dynamic-bootp argument (dhcpd range parameter): dhcpd.conf (TCP/IP Network Administration)
• dynamic-bootp-lease-cutoff parameter: dhcpd.conf (TCP/IP Network Administration)
• • dhcpd: Configuration Parameters (TCP/IP Network Administration)
• dynamic-bootp-lease-length parameter: dhcpd.conf (TCP/IP Network Administration)
• • dhcpd: Configuration Parameters (TCP/IP Network Administration)
• dynamic DNS: IP Address Management (Network Troubleshooting Tools)
• Dynamic DNS (DDNS): Dynamic Host Configuration Protocol (TCP/IP Network Administration)
• dynamic entries, ARP table: IP to MAC address mappings (Managing NFS and NIS)
• Dynamic Host Configuration Protocol (see DHCP)
• dynamic packet filtering, FTP and: Packet Filtering Characteristics of FTP (Building Internet Firewalls)
• dynamic routing: Common Routing Configurations (TCP/IP Network Administration)
• dynamic routing tables: Planning Routing (TCP/IP Network Administration)
• dynamic severity: Logging in BIND 8 and 9 (DNS and Bind)
• Dynamic Shared Object (DSO): Loading Dynamic Shared Objects (TCP/IP Network Administration)
• dynamic update: DNS Dynamic Update (DNS and Bind)
• • BIND support for: Getting BIND (DNS and Bind)
  • DNSSEC and: DNSSEC and Dynamic Update (DNS and Bind)
  • restricting with TSIG: Using TSIG (DNS and Bind)
  • Windows2000 and: How Windows Uses Dynamic Update (DNS and Bind)
• dynamically allocated ports: Sockets (TCP/IP Network Administration)
• dynamically assigning addresses: Dynamic Host Configuration Protocol (TCP/IP Network Administration)
• dynamically loadable modules: Using Dynamically Loadable Modules (TCP/IP Network Administration)
• • httpd.conf file: Loading Dynamic Shared Objects (TCP/IP Network Administration)

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