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Index: D

• D command (sendmail): The Define Macro Command
• D flag (Linux routing table): The Routing Table
• DAEMON_OPTIONS macro (sendmail): sendmail Macros
• DARPA (Defense Advanced Research Projects Agency): TCP/IP and the Internet
• DATA command (SMTP): Simple Mail Transfer Protocol
• data delivery: Addressing, Routing, and Multiplexing
• data field (resource records): Standard Resource Records
• Data Link Layer (OSI Model): Data Communications Model
• Data Link Layer Protocol: The Serial Protocols
• data value (DNS resource records): Standard Resource Records
• databases
• • address conversion (sendmail): Building a sendmail.cf with m4 macros
  • Apache, user authentication: Improved user authentication
  • gpg: Public-Key Encryption Tools
  • sendmail
  • • address transformation: Transforming with a database
    • • Using Key Files in sendmail
    • local information section (configuration file): Modifying Local Information
  • Unix r commands: Secure the r Commands
• databits command (dip): The dip Script File
• datagrams: TCP/IP Protocol Architecture
• • The datagram
  • The IP Address
  • forwarding: Passing datagrams to the transport layer
  • fragmenting: Fragmenting datagrams
  • headers: Port Numbers
  • • Appendix g.1. IP Datagram Header
    • protocol numbers: Protocol Numbers
  • martians: Obtaining an IP Address
  • Network Access Layer
  • • IP addresses: Network Access Layer
  • overview: The datagram
  • routing: Routing datagrams
• datasize option (named): The options Statement
• dbm (sendmail K command value): The sendmail K Command
• dbmmanage command: Improved user authentication
• DCA (Defense Communications Agency): TCP/IP and the Internet
• DDN (Defense Data Network): TCP/IP and the Internet
• DDNS (Dynamic DNS): Dynamic Host Configuration Protocol
• deallocate-on-exit option (named): The options Statement
• debug option (pppd): The PPP Daemon
• debug option (resolv.conf file): The Resolver Configuration File
• debugging: Testing Rewrite Rules
• • (see also testing)
  • nslookup tool: Using nslookup
  • sendmail arguments: The sendmail Command
• dec command (dip): The dip Script File
• decentralized network administration: Subnets
• dedicated connections, pppd command, configuring: The PPP Daemon
• default-asyncmap option (pppd): The PPP Daemon
• default command (dip): The dip Script File
• default domain names: Domain Names
• default gateway: The Routing Table
• • address: Getting Started
  • addresses, need for: Getting Started
• default keyword (route command): Building a Static Routing Table
• default-lease-time parameter (dhcp.conf file): dhcpd.conf
• default-lease-time parameter (dhcpd): Configuration Parameters
• default masks, indentifying: The Natural Mask
• default-mru option (pppd): The PPP Daemon
• default route (network addresses): The IP Address
• defaultdomain file: Network Information Service
• DefaultIcon directive (Apache): Creating a Fancy Index
• defaultmetric parameter (gated): The rip Statement
• defaultroute option (pppd): The PPP Daemon
• • The PPP Daemon
• defaults parameter (gated): The ospf Statement
• DefaultType directive (httpd.conf file): Defining File Types
• Defense Advanced Research Projects Agency (DARPA): TCP/IP and the Internet
• Defense Communications Agency (DCA): TCP/IP and the Internet
• Defense Data Network (DDN): TCP/IP and the Internet
• define class command (sendmail): Defining Classes
• define macro command (sendmail): The Define Macro Command
• define macro (sendmail): sendmail Macros
• • define
• definition fields (sendmail mailers): Defining Mailers
• deflate option (pppd): The PPP Daemon
• DEL command (POP): Post Office Protocol
• DELETE command (IMAP): Internet Message Access Protocol
• delete keyword
• • dbmmanage command: Improved user authentication
  • route command: Building a Static Routing Table
• deleting email, POP servers: Post Office Protocol
• Delivery Status Notification (see DSN)
• demand option (pppd): The PPP Daemon
• denial of service (DoS): Assessing the Threat
• Deny from directive (Directory containers): Defining Access Controls
• deny keyword parameter (dhcpd): Configuration Parameters
• depmod command (Linux): Using Dynamically Loadable Modules
• dequote (sendmail K command value): The sendmail K Command
• descr field (RIPE database): Obtaining an IN-ADDR.ARPA domain
• designated routers (OSPF): Open Shortest Path First
• Destination Address
• • datagram headers: The datagram
  • TCP headers: The IP Address
• Destination field
• • Linux routing table: The Routing Table
  • routing tables: The Minimal Routing Table
• Destination field (Linux routing table): The Routing Table
• Destination Port: Transmission Control Protocol
• Destination Port numbers (UDP): User Datagram Protocol
• Destination Unreachable Message (ICMP): Internet Control Message Protocol
• destination values (routing tables): The Routing Table
• detail
• • DSN error code: Transforming the Address
  • gated trace statements: Trace Statements
• dev/cua3 argument (pppd command): The PPP Daemon
• device drivers
• • Ethernet, loading: Using Dynamically Loadable Modules
  • installing, pkgadd command: Using Dynamically Loadable Modules
• DEVICE (Linux configuration value): Assigning an Address
• devices statement (BSD Unix kernel configuration): The device statement
• dgram field (inet.conf file): The Internet Daemon
• dh value (share command): The share command
• DHCP (Dynamic Host Configuration Protocol): Dynamic Host Configuration Protocol
• • dhcpd file: dhcpd.conf
  • operational principles: How DHCP works
  • overview: DHCP
  • system configuration information, distributing to end-users: Informing the Users
• dhcpd
• • command-line options: The dhcpd Command
  • common options: Commonly used options
  • compiling: Compiling dhcpd
  • mailing list: Compiling dhcpd
  • option statement: DHCP Options
  • other options: Other options
  • parameter statements: Configuration Parameters
  • syntax: The dhcpd Command
• dhcpd.conf file: dhcpd.conf
• • The dhcpd.conf Configuration File
  • parameters: dhcpd.conf
  • range parameter: dhcpd.conf
  • topology statements: Topology Statements
• DHCPDISCOVER packet: How DHCP works
• DHCPOFFER packet: How DHCP works
• dial command (dip): Dial-Up PPP
• • The dip Script File
• dial-up connections: The PPP Daemon
• • dip
  • • sample script file: sample dip script
    • script file: The dip Script File
    • syntax: Dial-Up IP
  • PPP, configuring: Dial-Up PPP
  • pppd, syntax: The PPP Daemon
  • scripts, troubleshooting: Troubleshooting Serial Connections
• dial-up IP (see dip)
• dialup option (named): The options Statement
• dig (debugging tool): dig: An Alternative to nslookup
• digest (MIME data subtype): Multipurpose Internet Mail Extensions
• Dijkstra Shortest Path First (SPF) algorithm: Open Shortest Path First
• dip command: Dial-Up PPP
• dip (dial-up IP)
• • configuring: Dial-Up PPP
  • options: Dial-Up IP
  • sample script file: sample dip script
  • script file: The dip Script File
  • syntax: Dial-Up IP
• direct delivery (SMTP): Simple Mail Transfer Protocol
• direct map configuration file (automounter): NFS Automounter
• directed graphs (OSPF): Open Shortest Path First
• directives
• • Apache
  • • configuration: Loading Dynamic Shared Objects
    • directory-level configuration control: Directory-Level Configuration Controls
    • httpd process control: Managing the Swarm
    • log files: Defining the log file format
    • MIME file types: Defining File Types
    • performance tuning: Performance Tuning Directives
    • user authentication: Requiring user authentication
    • web server document locations: Defining Where Things Are Stored
  • BIND: Zone File Directives
  • httpd.conf file, configuration: Basic Configuration Directives
  • zone files, creating: Zone File Records
• directories
• • Apache, configuration control: Directory-Level Configuration Controls
  • indexing, Apache: Creating a Fancy Index
• Directory containers (Apache): Defining Where Things Are Stored
• • server options, controlling: Controlling Server Options
• Directory directive (httpd.conf file): Defining Where Things Are Stored
• Directory field (sendmail): Defining Mailers
• directory option (named): The options Statement
• directory sharing
• • mounting remote directories: Mounting Remote Filesystems
  • NFS
  • • daemons: NFS Daemons
    • overview: The Network File System
  • Samba: Sharing directories through Samba
  • Unix: Sharing Unix Filesystems
• DirectoryIndex option (Apache): Defining Where Things Are Stored
• disconnect option (pppd): The PPP Daemon
• distance-vector algorithms, routing: Interior Routing Protocols
• Distfiles: rdist
• distributed servers, managing: Managing Distributed Servers
• divert macro (sendmail): sendmail Macros
• dmesg command, network interfaces, determining avaliable: The Interface Name
• dnl command: Building a sendmail.cf with m4 macros
• dnl macro (sendmail): sendmail Macros
• DNS (Domain Name System): Application Layer
• • authoritative servers: DNS
  • BIND
  • • configurations: BIND Configurations
    • configuring resolvers: Configuring the Resolver
    • • resolver-only configuration
    • directives: Zone File Directives
    • overview: BIND: Unix Name Service
  • caching-only servers, configuring: caching-only server configuration
  • compared to NIS: Network Information Service
  • domain hierarchy: The Domain Hierarchy
  • domains, creating: Creating Domains and Subdomains
  • host tables and: The Host Table
  • master name servers, configuring: Master and slave server configurations
  • name server record pointers: Creating Domains and Subdomains
  • named command, configuring: Configuring named
  • named.conf file: The named.conf File
  • overview: DNS
  • resource records: Standard Resource Records
  • slave servers, configuring: Master and slave server configurations
  • system configuration: Getting Started
  • top-level domains: The Domain Hierarchy
  • Unix, BIND: BIND, Resolvers, and named
• dns proxy option (nmbd command): NetBIOS Name Service
• dns proxy parameter (smb.config file): Configuring a Samba Server
• dns (sendmail K command value): The sendmail K Command
• documentation, Internet address requests: Obtaining an official network address
• DocumentRoot directive (Apache): Configuring Apache on Solaris
• • web server document locations: Defining Where Things Are Stored
• domain administration: BIND, Resolvers, and named
• domain auth simple parameter (gated): The isis Statement
• domain entry (resolv.conf file): The Resolver Configuration File
• domain field (RIPE database): Obtaining an IN-ADDR.ARPA domain
• DOMAIN macro (sendmail): sendmail Macros
• Domain Name Pointer (PTR) records: Domain Name Pointer record
• domain name registrars: Creating Domains and Subdomains
• domain name servers, system configuration: Getting Started
• Domain Name System (see DNS)
• domain names: Domain Names
• • obtaining: Obtaining a Domain Name
  • registering: Registering a Domain
• domain names (Linux): The /etc/exports file
• domain option (pppd): The PPP Daemon
• domain option (share command): The share command
• domain setting (smb.config file): Configuring a Samba Server
• DOMAIN source file
• • DNS features: DOMAIN
  • DNS macros: DOMAIN
• DOMAIN source file (sendmail): DOMAIN
• domainname command: Network Information Service
• domains
• • cache initialization file: The Cache Initialization File
  • caching-only server: BIND Configurations
  • DNS
  • • creating: Creating Domains and Subdomains
    • hierarchy: The Domain Hierarchy
    • top-level: The Domain Hierarchy
  • downloading for inspection, nslookup command: Using nslookup
  • in-addr.arpa: Obtaining an IN-ADDR.ARPA domain
  • master name server: BIND Configurations
  • NIS: Network Information Service
  • slave server: BIND Configurations
  • zones: BIND: Unix Name Service
• domaintable (sendmail database feature): FEATURE
• DoS (denial of service): Assessing the Threat
• dotted decimal notation (IP addresses): The IP Address
• down preference (gated): Interface Statements
• draft standards (RFCs): Protocol Standards
• Driver Options field (printconf-gui): The printcap file
• DROP keyword (iptables command): Defining iptables filter rules
• dsmtp mailer: Building a sendmail.cf with m4 macros
• DSN (Delivery Status Notification), error codes: Transforming the Address
• DSO (Dynamic Shared Object): Loading Dynamic Shared Objects
• dump-file option (named): The options Statement
• dump files
• • cache & data section: The Cache & Data section
  • hints section: The Hints section
  • zone tables: The zone table section
• dumpdb command: Cache Corruption
• DURATION option (xinetd): Controlling Access with xinetd
• dynamic address allocation, dhcpd.conf file: dhcpd.conf
• dynamic assignment: Assigning Host Addresses
• dynamic-bootp argument (dhcpd range parameter): dhcpd.conf
• dynamic-bootp-lease-cutoff parameter: dhcpd.conf
• • dhcpd: Configuration Parameters
• dynamic-bootp-lease-length parameter: dhcpd.conf
• • dhcpd: Configuration Parameters
• Dynamic DNS (DDNS): Dynamic Host Configuration Protocol
• Dynamic Host Configuration Protocol (see DHCP)
• dynamic routing: Common Routing Configurations
• dynamic routing tables: Planning Routing
• Dynamic Shared Object (DSO): Loading Dynamic Shared Objects
• dynamically allocated ports: Sockets
• dynamically assigning addresses: Dynamic Host Configuration Protocol
• dynamically loadable modules: Using Dynamically Loadable Modules
• • httpd.conf file: Loading Dynamic Shared Objects

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