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Index: T

T command (sendmail): Defining Trusted Users (TCP/IP Network Administration)
-t timeout parameter: Tunable Parameters (Managing NFS and NIS)
tab as resource record name: Repeat Last Name (DNS and Bind)
table of counts: BIND 4.9 and 8 statistics (DNS and Bind)
tables
- adding columns: Extensions to the SMI in Version 2 (Essential SNMP)
- get-bulk operations and: The get-bulk Operation (Essential SNMP)
- ifTable: Defining OIDs (Essential SNMP)
- - Defining OIDs (Essential SNMP)
- indexes: Defining OIDs (Essential SNMP)
- internal spaces in: Tables (Essential SNMP)
- OpenView agent and: Tables (Essential SNMP)
- - integer indexes: Tables (Essential SNMP)
  - writing MIB definitions: Tables (Essential SNMP)
- rows in: Defining OIDs (Essential SNMP)
- - Extensions to the SMI in Version 2 (Essential SNMP)
- in SNMP objects: snmpgetnext, snmpwalk, and snmptable (Network Troubleshooting Tools)
- snmptable: snmptable (Essential SNMP)
- updating: Tables (Essential SNMP)
Tabular Data Stream (TDS): Tabular Data Stream (TDS) (Building Internet Firewalls)
tabular objects
- data collection and: Designing collections (Essential SNMP)
- OIDs: The get Operation (Essential SNMP)
- - Error Responses (Essential SNMP)
TACACS: TACACS and Friends (Building Internet Firewalls)
tag parameter (gated): Aggregate Statements (TCP/IP Network Administration)
Tag registry key: Registry keys (Building Internet Firewalls)
talk conferencing system: One Connection per Session (Building Internet Firewalls)
- talk (Building Internet Firewalls)
tapes, needs for: What Hardware Configuration? (Building Internet Firewalls)
taps: Information theft (Building Internet Firewalls)
- Information theft (Building Internet Firewalls)
tar archives: Obtaining and Installing Clients (SSH, The Secure Shell)
.tar files: Generic Installs (Network Troubleshooting Tools)
tar files, unpacking: Install Okhapkin's SSH1 (SSH, The Secure Shell)
.tar.gz file: Extracting the files (SSH, The Secure Shell)
targets (MRTG): Using MRTG (Essential SNMP)
- Using MRTG (Essential SNMP)
task (gated): Trace Statements (TCP/IP Network Administration)
Task Manager (taskmgr.exe): Microsoft Windows (Network Troubleshooting Tools)
task-specific troubleshooting strategies: Task-Specific Troubleshooting (Network Troubleshooting Tools)
taxonomy of software tools: Generic Sources (Network Troubleshooting Tools)
Tcl: NMS Suites (Essential SNMP)
tclets: Tcl/Tk and scotty (Network Troubleshooting Tools)
tclsh shell: Tcl/Tk and scotty (Network Troubleshooting Tools)
Tcl/Tk language: Tcl/Tk and scotty (Network Troubleshooting Tools)
- tutorials and resources: Scripting (Network Troubleshooting Tools)
- Microsoft Windows port: Other Tools for Windows (Network Troubleshooting Tools)
- scotty: Tcl/Tk and scotty (Network Troubleshooting Tools)
- - scotty (Network Troubleshooting Tools)
- source website: Sources for Tools (Network Troubleshooting Tools)
- Tk extensions: Tcl/Tk and scotty (Network Troubleshooting Tools)
- tkined requirements: Autodiscovery with tkined (Network Troubleshooting Tools)
TCP (see also Transmission Control Protocol)
- TCP and UDP (Managing NFS and NIS)
- compared to UDP: SNMP and UDP (Essential SNMP)
- delivery: TCP and UDP (Managing NFS and NIS)
- monitoring segments transmitted: Added Extensibility for Windows (Essential SNMP)
- NFS comparison: NFS over TCP (Managing NFS and NIS)
- NFS over: NFS over TCP is your friend (Managing NFS and NIS)
- PC/NFS and: PC/NFS today (Managing NFS and NIS)
- RARP and: Reverse ARP requests (Managing NFS and NIS)
- retrans mount parameter and: Timeout period calculation (Managing NFS and NIS)
- and RPC: The client-server model (Managing NFS and NIS)
- SNMP over: SNMP and UDP (Essential SNMP)
- sockets, sending messages across with ndc: ndc and controls (BIND 8) (DNS and Bind)
- specifying for commands (Net-SNMP): Common Command-Line Arguments (Essential SNMP)
- TCP/IP
- - MIB-II information: The Structure of Management Information and MIBS (Essential SNMP)
  - monitoring ports: Port Monitor (Essential SNMP)
  - protocol suite: SNMP and UDP (Essential SNMP)
- throughput, bottlenecks and: NFS/TCP versus NFS/UDP (Managing NFS and NIS)
TCP-based applications, enhanced with SSL: SSL-Enhanced Telnet and FTP (SSH, The Secure Shell)
tcp-clients (named): The BIND 9 options statement (TCP/IP Network Administration)
TCP Explicit Congestion Notification support option (Linux kernel configuration): Linux Kernel Configuration (TCP/IP Network Administration)
tcp option (fstab file): The vfstab and fstab files (TCP/IP Network Administration)
tcp-reduce extraction tool: tcp-reduce (Network Troubleshooting Tools)
- Point-Monitoring Tools (Network Troubleshooting Tools)
- Sources for Tools (Network Troubleshooting Tools)
TCP segment header: Appendix g.2. TCP Segment Header (TCP/IP Network Administration)
tcp-summary extraction tool: tcp-reduce (Network Troubleshooting Tools)
- Sources for Tools (Network Troubleshooting Tools)
TCP syncookie support option (Linux kernel configuration): Linux Kernel Configuration (TCP/IP Network Administration)
TCP traffic
- ACK packets: nmap (Network Troubleshooting Tools)
- active sessions: Web mode (Network Troubleshooting Tools)
- analysis: tcptrace (Network Troubleshooting Tools)
- capturing: tcpflow (Network Troubleshooting Tools)
- displaying service status: netstat (Network Troubleshooting Tools)
- filtering: Protocol and port filtering. (Network Troubleshooting Tools)
- following streams: Using ethereal (Network Troubleshooting Tools)
- generating with nemesis: nemesis (Network Troubleshooting Tools)
- headers: ttcp (Network Troubleshooting Tools)
- opening connections with NVT ASCII: Application-Protocols Tools (Network Troubleshooting Tools)
- plotting: xplot (Network Troubleshooting Tools)
- retrieving with tkined: Other commands (Network Troubleshooting Tools)
- sending with hping tool: hping (Network Troubleshooting Tools)
TCP (Transmission Control Protocol)
- (see also TCP)
- TCP (Building Internet Firewalls)
- Local Forwarding (SSH, The Secure Shell)
- Transmission Control Protocol (TCP/IP Network Administration)
- RPC and: Remote Procedure Call (RPC) (Building Internet Firewalls)
- application gateways and: Application gateways (DNS and Bind)
- desynchronization and hijacking attacks: IP and TCP Attacks (SSH, The Secure Shell)
- packet filtering in: TCP Versus Other Protocols (Building Internet Firewalls)
- port-forwarding connections, listing, escape sequence for: The Escape Character (SSH, The Secure Shell)
- proxying in: TCP Versus Other Protocols (Building Internet Firewalls)
- RPC services and: Internet and RPC server configuration (Managing NFS and NIS)
- RST attacks: IP and TCP Attacks (SSH, The Secure Shell)
- sequence numbers: TCP sequence numbers (Building Internet Firewalls)
- settings on SSH server, recommended: /etc/sshd_config (SSH, The Secure Shell)
- Virtual Circuits and: Option Settings (DNS and Bind)
- - The _res Structure (DNS and Bind)
TCP window size: ttcp (Network Troubleshooting Tools)
- iperf (Network Troubleshooting Tools)
TCP Wrapper package: Using the TCP Wrapper Package to Protect Services (Building Internet Firewalls)
- TCP Wrapper (Building Internet Firewalls)
TCP-wrappers: TCP/IP support (SSH, The Secure Shell)
- Forwarding Security: TCP-wrappers and libwrap (SSH, The Secure Shell)
- address/mask syntax: TCP-wrappers Configuration (SSH, The Secure Shell)
- configuration: TCP-wrappers Configuration (SSH, The Secure Shell)
- library, ftp source: TCP/IP support (SSH, The Secure Shell)
- services: TCP-wrappers Configuration (SSH, The Secure Shell)
tcpd: Forwarding Security: TCP-wrappers and libwrap (SSH, The Secure Shell)
tcpd program: Using the TCP Wrapper Package to Protect Services (Building Internet Firewalls)
tcpd (security): tcpd access control files (TCP/IP Network Administration)
tcpdchk: Notes About TCP-wrappers (SSH, The Secure Shell)
tcpdchk testing tool: tcpwrappers (Network Troubleshooting Tools)
tcpdmatch testing tool: tcpwrappers (Network Troubleshooting Tools)
tcpdpriv privacy tool: tcpdpriv (Network Troubleshooting Tools)
- Sources for Tools (Network Troubleshooting Tools)
tcpdump tool: tcpdump (Network Troubleshooting Tools)
- analysis tools: Using tcpdump (Network Troubleshooting Tools)
- - Analysis Tools (Network Troubleshooting Tools)
  - ethereal (Network Troubleshooting Tools)
- in bottleneck analysis: Bottleneck analysis (Network Troubleshooting Tools)
- capturing RIP updates: Routing (Network Troubleshooting Tools)
- command-line options: tcpdump Options (Network Troubleshooting Tools)
- controlling display fields: Controlling what's displayed (Network Troubleshooting Tools)
- controlling information display: Controlling how information is displayed (Network Troubleshooting Tools)
- - Controlling how information is displayed (Network Troubleshooting Tools)
- controlling program behavior: Controlling program behavior (Network Troubleshooting Tools)
- - Controlling program behavior (Network Troubleshooting Tools)
- filtering options: Filtering (Network Troubleshooting Tools)
- Microsoft Windows: Microsoft Windows (Network Troubleshooting Tools)
- NFS usage: NFS (Network Troubleshooting Tools)
- one-line summaries in files: tcp-reduce (Network Troubleshooting Tools)
- replaying captured data: Controlling program behavior (Network Troubleshooting Tools)
- running: Using tcpdump (Network Troubleshooting Tools)
- source website: Sources for Tools (Network Troubleshooting Tools)
tcpflow capture tool: tcpflow (Network Troubleshooting Tools)
- Sources for Tools (Network Troubleshooting Tools)
TCP/IP: Who this tutorial is for (Managing NFS and NIS)
- on Windows: Specific Windows Services to Disable (Building Internet Firewalls)
- - Specific Windows Services to Disable (Building Internet Firewalls)
- architecture: TCP/IP Protocol Architecture (TCP/IP Network Administration)
- attacks: IP and TCP Attacks (SSH, The Secure Shell)
- tutorials and resources: TCP/IP (Network Troubleshooting Tools)
- compile-time configurable features: TCP/IP support (SSH, The Secure Shell)
- defined: Overview of TCP/IP (TCP/IP Network Administration)
- fiber optics and: Networking overview (Managing NFS and NIS)
- hardware independence: TCP/IP Features (TCP/IP Network Administration)
- history: TCP/IP and the Internet (TCP/IP Network Administration)
- ICMP (see ICMP)
- ISO model and: Networking overview (Managing NFS and NIS)
- listening: an interface (SSH, The Secure Shell) 9.2.4.3. Listening on ("binding")
- - The Listening Port Number (SSH, The Secure Shell)
- need for: TCP/IP Features (TCP/IP Network Administration)
- NetBIOS over: NetBIOS over TCP/IP (NetBT) (Building Internet Firewalls)
- network layer (7-layer model) and: Network layer (Managing NFS and NIS)
- packet: TCP/IP/Ethernet Example (Building Internet Firewalls)
- "binding" an interface: an interface (SSH, The Secure Shell) 9.2.4.3. Listening on ("binding")
- reverse mappings: Reverse IP mappings (SSH, The Secure Shell)
- serial lines, overview: TCP/IP Over a Serial Line (TCP/IP Network Administration)
- stack fingerprinting: Stack Fingerprinting (Network Troubleshooting Tools)
- synchronous serial line: Networking overview (Managing NFS and NIS)
- weak implementations, exploiting: Implementation Weaknesses (Building Internet Firewalls)
- Windows configuration: Microsoft Windows (Network Troubleshooting Tools)
TCP/IP networking option (Linux kernel configuration): Linux Kernel Configuration (TCP/IP Network Administration)
TCP/IP protocol: Brief History of the Internet (DNS and Bind) 1.1. A (Very)
- nslookup and: Option Settings (DNS and Bind)
tcpproto.mc file: Building a sendmail.cf with m4 macros (TCP/IP Network Administration)
tcpshow decoding tool: tcpshow (Network Troubleshooting Tools)
- Sources for Tools (Network Troubleshooting Tools)
tcpslice extraction tool: tcpslice (Network Troubleshooting Tools)
- Sources for Tools (Network Troubleshooting Tools)
tcptrace analysis tool: tcptrace (Network Troubleshooting Tools)
- Point-Monitoring Tools (Network Troubleshooting Tools)
- Sources for Tools (Network Troubleshooting Tools)
tcpwrappers permissions tool
- configuration: Security files (Network Troubleshooting Tools)
- logging in: Host-Monitoring Tools (Network Troubleshooting Tools)
- - tcpwrappers (Network Troubleshooting Tools)
- as security tool: Security Tools (Network Troubleshooting Tools)
- source website: Sources for Tools (Network Troubleshooting Tools)
TDS (Tabular Data Stream): Tabular Data Stream (TDS) (Building Internet Firewalls)
teardown packets: Packet characteristics. (Network Troubleshooting Tools)
tech-c field (RIPE database): Obtaining an IN-ADDR.ARPA domain (TCP/IP Network Administration)
Technical Specification (TS) standards: Protocol Standards (TCP/IP Network Administration)
tee command: Using tcpdump (Network Troubleshooting Tools)
- Automating Documentation (Network Troubleshooting Tools)
Telebit NetBlazer: Conventions for Packet Filtering Rules (Building Internet Firewalls)
Telnet: Remote Terminal Access and Command Execution (Building Internet Firewalls)
- Outbound Telnet Service (Building Internet Firewalls)
- Terminal Access (Telnet) (Building Internet Firewalls)
- configuring, in screened subnet architecture: Telnet (Building Internet Firewalls)
- inbound: Inbound Telnet Service (Building Internet Firewalls)
- - vs. outbound: Terminal Access (Telnet) (Building Internet Firewalls)
- outbound: Outbound Telnet Service (Building Internet Firewalls)
- packet filtering characteristics of: Packet Filtering Characteristics of Telnet (Building Internet Firewalls)
- proxy services characteristics of: Proxying Characteristics of Telnet (Building Internet Firewalls)
- proxying with TIS FWTK: Telnet and rlogin Proxying with TIS FWTK (Building Internet Firewalls)
Telnet commands: Port Monitor (Essential SNMP)
telnet, search list and: Differences in Service Behavior (DNS and Bind)
telnet, security risks of: Secure Remote Logins (SSH, The Secure Shell)
Telstra: Telstra (Building Internet Firewalls)
temp-races: Access control (SSH, The Secure Shell)
TempFileMode option (sendmail): Setting Options (TCP/IP Network Administration)
temporary root name servers: Really Long Outages ( Weeks) (DNS and Bind)
temporary swap files: Managing client swap space (Managing NFS and NIS)
teraterm ssh tool: Microsoft Windows (Network Troubleshooting Tools)
- Sources for Tools (Network Troubleshooting Tools)
TERM signal: Using Signals (DNS and Bind)
terminal, locking: The SSH Agent (SSH, The Secure Shell)
terminal servers: Terminal Servers and Modem Pools (Building Internet Firewalls)
- CPU loading (Managing NFS and NIS)
Terminal Server/Services: Remote Graphic Interfaces for Microsoft Operating Systems (Building Internet Firewalls)
terminal sessions, remote: Remote Terminal Sessions with ssh (SSH, The Secure Shell)
terminated connections: netstat (Network Troubleshooting Tools)
terminating connections, escape sequence for: The Escape Character (SSH, The Secure Shell)
terminating ssh-agent: Single-shell method (SSH, The Secure Shell)
termination code (chat): chat (TCP/IP Network Administration)
termination of SSH connections: Termination (SSH, The Secure Shell)
termination on cables: Cable testers (Network Troubleshooting Tools)
terminfo file: Line Printer Service (TCP/IP Network Administration)
terminology, OSI model: Data Communications Model (TCP/IP Network Administration)
test commands (sendmail): Testing Rewrite Rules (TCP/IP Network Administration)
test mode (dip): Dial-Up PPP (TCP/IP Network Administration)
test networks: Laboratory Networks (Building Internet Firewalls)
testing
- adapters: Testing Adapters (Network Troubleshooting Tools)
- cabling: Testing Cabling (Network Troubleshooting Tools)
- chat scripts: chat (TCP/IP Network Administration)
- configuration files: tcpwrappers (Network Troubleshooting Tools)
- connectivity (see connectivity testing)
- connectivity protocols (see connectivity protocols)
- filters: Address filtering. (Network Troubleshooting Tools)
- firewalls: It Should Have Good Testing and Validation Capabilities (Building Internet Firewalls)
- - nemesis (Network Troubleshooting Tools)
  - Other tools (Network Troubleshooting Tools)
  - Firewall testing (Network Troubleshooting Tools)
- for directory status: Throw Core (Essential SNMP)
- hypotheses in troubleshooting: Generic Troubleshooting (Network Troubleshooting Tools)
- IMAP servers: Internet Message Access Protocol (TCP/IP Network Administration)
- IP addresses: IP Address Management (Network Troubleshooting Tools)
- NIS servers: Network Information Service (TCP/IP Network Administration)
- parameters in performance measurement: General steps (Network Troubleshooting Tools)
- performance (see performance measurement)
- profiles: Profiles for Different Users (Essential SNMP)
- reload of operating system: Testing the Reload of the Operating System (Building Internet Firewalls)
- routers: Laboratory Networks (Building Internet Firewalls)
- - The netmon Process (Essential SNMP)
- routing tables: Adding Static Routes (TCP/IP Network Administration)
- sendmail address rewrite rules: The sendmail Command (TCP/IP Network Administration)
- sendmail configuration: The sendmail Command (TCP/IP Network Administration)
- sendmail.cf file: Testing sendmail.cf (TCP/IP Network Administration)
- - rewrite rules: Testing Rewrite Rules (TCP/IP Network Administration)
- software or hardware installations: Installation Testing (Network Troubleshooting Tools)
- thresholds and events: Creating a threshold (Essential SNMP)
- trap generation: Forcing Your Hardware to Generate Traps (Essential SNMP)
tethereal (see ethereal)
tethereal packet capture tool: Using ethereal (Network Troubleshooting Tools)
text
- MIME data content type: Multipurpose Internet Mail Extensions (TCP/IP Network Administration)
- sendmail K command value: The sendmail K Command (TCP/IP Network Administration)
text queries: BIND 4.9 and 8 statistics (DNS and Bind)
Text User Interface (TUI): APC Symetra (Essential SNMP)
textual conventions
- SMIv2: Extensions to the SMI in Version 2 (Essential SNMP)
- SNMPv3: SNMPv3 Textual Conventions (Essential SNMP)
tftp-boot: Getting a boot block (Managing NFS and NIS)
TFTP (Trivial File Transport Protocol): File Transfer (Building Internet Firewalls)
- Trivial File Transfer Protocol (TFTP) (Building Internet Firewalls)
- Getting a boot block (Managing NFS and NIS)
- Boot parameter confusion (Managing NFS and NIS)
/tftpboot directory, AdminSuite: Setting up a diskless client (Managing NFS and NIS)
TGT (Ticket Granting Tickets), compile-time configuration: Authentication (SSH, The Secure Shell)
TGT forwarding: TGT forwarding (SSH, The Secure Shell)
.tgz files: Generic Installs (Network Troubleshooting Tools)
The Simple Times: Getting More Information (Essential SNMP)
- SNMP RFCs (Essential SNMP)
theft of information (see information theft)
therapy Port: Table of Products (SSH, The Secure Shell)
third-level domains, choosing: Back in the U.S.A. (DNS and Bind)
third-party attacks: Third-Party Attacks (Building Internet Firewalls)
- protecting against: Protecting Services (Building Internet Firewalls)
threat assessment (security), types of threat: Assessing the Threat (TCP/IP Network Administration)
three-way handshake: Transmission Control Protocol (TCP/IP Network Administration)
thresholds
- expanding or reducing in SNMPc: Castle Rock's SNMPc (Essential SNMP)
- netmon: Microsoft Windows (Network Troubleshooting Tools)
- OpenView
- - creating (NNM): Creating a threshold (Essential SNMP)
  - data collection: OpenView Data Collection and Thresholds (Essential SNMP)
  - events: Creating a threshold (Essential SNMP)
  - - Setting event categories (Essential SNMP)
  - monitoring in data collection: Designing collections (Essential SNMP)
  - rearm parameter: Creating a threshold (Essential SNMP)
  - setting with graphic input: OpenView Graphing (Essential SNMP)
  - testing: Creating a threshold (Essential SNMP)
- polling and: Polling and Thresholds (Essential SNMP)
- RMON: Remote Monitoring (RMON) (Essential SNMP)
- - RMON (Network Troubleshooting Tools)
  - absolute values: RMON configuration (Essential SNMP)
  - alarms: Remote Monitoring (RMON) (Essential SNMP)
  - delta values: RMON configuration (Essential SNMP)
  - events: Remote Monitoring (RMON) (Essential SNMP)
  - falling thresholds: RMON configuration (Essential SNMP)
  - - RMON configuration (Essential SNMP)
  - outbound octets: RMON configuration (Essential SNMP)
  - rising thresholds: RMON configuration (Essential SNMP)
  - - RMON configuration (Essential SNMP)
- setting minimums for servers: Disk-Space Checker (Essential SNMP)
- SNMPc
- - Automatic Alarms: Castle Rock's SNMPc (Essential SNMP)
  - learning periods: Castle Rock's SNMPc (Essential SNMP)
- tkined settings: ICMP monitoring (Network Troubleshooting Tools)
throughput: Performance Measurements (Network Troubleshooting Tools)
- achievable: Throughput Measurements (Network Troubleshooting Tools)
- bing results: bing (Network Troubleshooting Tools)
- bottlenecks
- - NFS writes: NFS writes (NFS Version 2 versus NFS Version 3) (Managing NFS and NIS)
  - TCP and: NFS/TCP versus NFS/UDP (Managing NFS and NIS)
  - UDP and: NFS/TCP versus NFS/UDP (Managing NFS and NIS)
- of connections: Interpreting results (Network Troubleshooting Tools)
- graphing averages: Web mode (Network Troubleshooting Tools)
- graphs: tcptrace (Network Troubleshooting Tools)
- measurements: Path Performance (Network Troubleshooting Tools)
- - Throughput Measurements (Network Troubleshooting Tools)
  - iperf tool: iperf (Network Troubleshooting Tools)
  - Microsoft Windows: Microsoft Windows (Network Troubleshooting Tools)
  - netperf tool: netperf (Network Troubleshooting Tools)
  - treno tool: Other related tools (Network Troubleshooting Tools)
  - ttcp tool: ttcp (Network Troubleshooting Tools)
- ntop results: Interactive mode (Network Troubleshooting Tools)
- - Web mode (Network Troubleshooting Tools)
- server performance tuning: Disk and filesystem throughput (Managing NFS and NIS)
throw core script: Throw Core (Essential SNMP)
TI-RPC (Transport-Independent RPC): Socket RPC and Transport Independent RPC (Managing NFS and NIS)
- RPC version numbers (Managing NFS and NIS)
ticket forwarding, enabling in SSH: AFS Access Problems (SSH, The Secure Shell)
tier-one providers: TCP/IP and the Internet (TCP/IP Network Administration)
Tiger auditing package: Running a Security Audit (Building Internet Firewalls)
- Tiger (Building Internet Firewalls)
time-based passwords: Kerberos (Building Internet Firewalls)
time-dependent behavior, bottlenecks and: Bottleneck analysis (Network Troubleshooting Tools)
time sequence graphs: tcptrace (Network Troubleshooting Tools)
time-series data: rrd and the Future of mrtg (Network Troubleshooting Tools)
time service: Time Service (Building Internet Firewalls)
time synchronization: Time synchronization (Managing NFS and NIS)
- NTP (Network Troubleshooting Tools)
time synchronization, TSIG and: Configuring TSIG (DNS and Bind)
time to live (see TTL)
Time-To-Live counts (see TTL counts)
timeo mount parameter: Timeout period calculation (Managing NFS and NIS)
- retransmission rate threshold and: Retransmission rate thresholds (Managing NFS and NIS)
- slow servers and: Timeout period calculation (Managing NFS and NIS)
timeo= option (vfstab file): The vfstab and fstab files (TCP/IP Network Administration)
timeout command (dip): The dip Script File (TCP/IP Network Administration)
Timeout directive (Apache): Performance Tuning Directives (TCP/IP Network Administration)
TIMEOUT keyword (chat): chat (TCP/IP Network Administration)
timeout option: The options Directive (DNS and Bind)
timeout option (resolv.conf file): The Resolver Configuration File (TCP/IP Network Administration)
Timeout settings (NNM): Configuring Polling Intervals (Essential SNMP)
timeout, Solaris PPP: Solaris PPP (TCP/IP Network Administration)
timeout values, sendmail: sendmail Options (TCP/IP Network Administration)
Timeout.queuereturn option (sendmail): Setting Options (TCP/IP Network Administration)
timeouts
- agent: OpenView's Extensible Agent (Essential SNMP)
- attribute: Mount options (Managing NFS and NIS)
- automounter and: Tuning timeout values (Managing NFS and NIS)
- calculating: Timeout period calculation (Managing NFS and NIS)
- errors: Trace of a key match (Managing NFS and NIS)
- major: Timeout period calculation (Managing NFS and NIS)
- minor: Timeout period calculation (Managing NFS and NIS)
- NFS and: NFS (Network Troubleshooting Tools)
- nslookup and: Timeouts (DNS and Bind)
- - Option Settings (DNS and Bind)
- resolver queries and: One name server configured (DNS and Bind)
- RPC procedures: Request retransmission (Managing NFS and NIS)
- SNMP options: Configuration and options (Network Troubleshooting Tools)
- in traceroute: Options (Network Troubleshooting Tools)
timer (gated): Trace Statements (TCP/IP Network Administration)
times
- DateAndTime convention: Extensions to the SMI in Version 2 (Essential SNMP)
- encrypted: Something You Know (Building Internet Firewalls)
- including in traps: Sending Traps with Net-SNMP (Essential SNMP)
- TimeInterval convention: Extensions to the SMI in Version 2 (Essential SNMP)
- TimeStamp convention: Extensions to the SMI in Version 2 (Essential SNMP)
- units in polling intervals: Designing collections (Essential SNMP)
timestamps
- empty files: Map file dependencies (Managing NFS and NIS)
- extracting traffic data by: tcpslice (Network Troubleshooting Tools)
- in packets: Options (Network Troubleshooting Tools)
- - sanitize (Network Troubleshooting Tools)
- maps, modification: Map structure (Managing NFS and NIS)
- Net-SNMP options: snmpdelta (Essential SNMP)
- synchronizing clocks: NTP (Network Troubleshooting Tools)
- tcpdump tool: Controlling how information is displayed (Network Troubleshooting Tools)
- TimeStamp textual convention: Extensions to the SMI in Version 2 (Essential SNMP)
- in traps: Sending Traps (Essential SNMP)
- - Sending Traps with OpenView (Essential SNMP)
- troubleshooting printouts: Automating Documentation (Network Troubleshooting Tools)
TIME_WAIT: The TIME_WAIT problem (SSH, The Secure Shell)
- FTP with the default data ports (SSH, The Secure Shell)
- Another Approach: SSH-in-SSH(Port Forwarding) (SSH, The Secure Shell)
TIS Internet Firewalls Toolkit (TIS FWTK): TIS Internet Firewall Toolkit (FWTK) (Building Internet Firewalls)
- Application gateways (DNS and Bind)
- authentication server: The TIS FWTK Authentication Server (Building Internet Firewalls)
- ftp-gw-proxy server: FTP (Building Internet Firewalls)
- FTP proxy server: Proxying Characteristics of FTP (Building Internet Firewalls)
- HTTP proxying on, in screened subnet architecture: HTTP and HTTPS (Building Internet Firewalls)
- for proxying: Using the TIS Internet Firewall Toolkit for Proxying (Building Internet Firewalls)
TIS (Trusted Information Systems): TIS authentication (SSH, The Secure Shell)
- compile-time configuration: Authentication (SSH, The Secure Shell)
- password authentication: One-time passwords (SSH, The Secure Shell)
TIS Authentication: TIS authentication (SSH, The Secure Shell)
Tivoli Netview: NMS Suites (Essential SNMP)
tjping packet tool: Microsoft Windows (Network Troubleshooting Tools)
- Sources for Tools (Network Troubleshooting Tools)
Tk extensions: Tcl/Tk and scotty (Network Troubleshooting Tools)
- Autodiscovery with tkined (Network Troubleshooting Tools)
- Autodiscovery with tkined (Network Troubleshooting Tools)
- Other Tools for Windows (Network Troubleshooting Tools)
tkey-dhkey (named): The BIND 9 options statement (TCP/IP Network Administration)
tkey-domain (named): The BIND 9 options statement (TCP/IP Network Administration)
tkined management tool: Scripts (Network Troubleshooting Tools)
- Tcl/Tk and scotty (Network Troubleshooting Tools)
- autodiscovery: Autodiscovery with tkined (Network Troubleshooting Tools)
- caveats: Caveats (Network Troubleshooting Tools)
- changing monitoring options: ICMP monitoring (Network Troubleshooting Tools)
- community strings and: Caveats (Network Troubleshooting Tools)
- examining MIBs: Examining MIBs (Network Troubleshooting Tools)
- ICMP monitoring: ICMP monitoring (Network Troubleshooting Tools)
- manually drawing maps: Drawing maps with tkined (Network Troubleshooting Tools)
- mapping networks: tkined (Network Troubleshooting Tools)
- Microsoft Windows: Other Tools for Windows (Network Troubleshooting Tools)
- - SNMP Tools (Network Troubleshooting Tools)
- monitoring SNMP objects: Monitoring SNMP objects (Network Troubleshooting Tools)
- performance measurements: Network-Monitoring Tools (Network Troubleshooting Tools)
- polling devices: Other commands (Network Troubleshooting Tools)
- reports: Other commands (Network Troubleshooting Tools)
- requirements: Autodiscovery with tkined (Network Troubleshooting Tools)
- saving changes in: Caveats (Network Troubleshooting Tools)
- SNMP traps: SNMP traps (Network Troubleshooting Tools)
- SNMP usage: tkined (Network Troubleshooting Tools)
- source website: Sources for Tools (Network Troubleshooting Tools)
- trouble menu information: Other commands (Network Troubleshooting Tools)
Tkined suite: NMS Suites (Essential SNMP)
TLAs (Top-Level Aggregators): The ABCs of IPv6 Addressing (DNS and Bind)
TLDs (see top-level domains)
TLS (Transport Layer Security): and Secure Socket Layer (SSL) (Building Internet Firewalls) 14.7. Transport Layer Security (TLS)
- Protocol (SSH, The Secure Shell) 1.6.6. Secure Socket Layer (SSL)
- email and: TLS/SSL, SSMTP, and STARTTLS (Building Internet Firewalls)
tmetric bandwidth tool: pathchar (Network Troubleshooting Tools)
- Sources for Tools (Network Troubleshooting Tools)
/tmp partitions, monitoring: Creating a threshold (Essential SNMP)
TNG Framework: NMS Suites (Essential SNMP)
tnm extensions (scotty): Tcl/Tk and scotty (Network Troubleshooting Tools)
- Other Tools for Windows (Network Troubleshooting Tools)
toasters controlled by SNMP: snmpset (Network Troubleshooting Tools)
too many open files message: Common Syslog Messages (DNS and Bind)
- Name Server Reports "Too Many Open Files" (DNS and Bind)
Tool Command Language (see Tcl/Tk language)
tools: Discovery and Mapping Tools (Network Troubleshooting Tools)
- (see also specific types of tools, i.e., packet capture)
- characteristics of management software: Characteristics of Management Software (Network Troubleshooting Tools)
- datestamping and versions: Documentation (Network Troubleshooting Tools)
- for firewalls: Tools (Building Internet Firewalls)
- installing: Installing Software (Network Troubleshooting Tools)
- inventories of contents: Documentation (Network Troubleshooting Tools)
- legal and ethical considerations: Legal and ethical considerations (Network Troubleshooting Tools)
- licenses: Licenses (Network Troubleshooting Tools)
- network management tools in troubleshooting: Troubleshooting Versus Management (Network Troubleshooting Tools)
- preparing for problems: Need for Troubleshooting Tools (Network Troubleshooting Tools)
- for security incidents: Keeping a Cache of Tools and Supplies (Building Internet Firewalls)
- sources for: Generic Sources (Network Troubleshooting Tools)
- - Sources for Tools (Network Troubleshooting Tools)
- taxonomy of: Generic Sources (Network Troubleshooting Tools)
ToolTalk: ToolTalk (Building Internet Firewalls)
Top Gun SSH: Table of Products (SSH, The Secure Shell)
Top-Level Aggregators (TLAs): The ABCs of IPv6 Addressing (DNS and Bind)
top-level domains (TLDs): Domains (DNS and Bind)
- The Domain Hierarchy (TCP/IP Network Administration)
- Domains (DNS and Bind)
- Top-Level Domains (DNS and Bind)
- choosing: Where in the World Do I Fit? (DNS and Bind)
- - for international domains: Where in the World Do I Fit? (DNS and Bind)
  - for U.S.domains: Back in the U.S.A. (DNS and Bind)
- examining structure of with nslookup: Where in the World Do I Fit? (DNS and Bind)
- generic (see gTLDs)
- list of: Top-Level Domains (DNS and Bind)
- subdomain names and: What to Name Your Children (DNS and Bind)
top process display tool: top (Network Troubleshooting Tools)
- ntop (Network Troubleshooting Tools)
- Sources for Tools (Network Troubleshooting Tools)
top utility: Capacity Planning (DNS and Bind)
topology: Addressing, Routing, and Multiplexing (TCP/IP Network Administration)
- option (named): The options Statement (TCP/IP Network Administration)
- problems, using maps to resolve: Mapping or Diagramming (Network Troubleshooting Tools)
- name server preferences and: Preferring Name Servers on Certain Networks (DNS and Bind)
- statements (dhcpd): Topology Statements (TCP/IP Network Administration)
trace command: ndc and controls (BIND 8) (DNS and Bind)
trace files: Creating a threshold (Essential SNMP)
trace_file (gated): Trace Statements (TCP/IP Network Administration)
trace_options (gated): Trace Statements (TCP/IP Network Administration)
traceoptions parameter
- gated isis statement: The isis Statement (TCP/IP Network Administration)
- gated ospf statement: The ospf Statement (TCP/IP Network Administration)
- gated rip statement: The rip Statement (TCP/IP Network Administration)
- gated smux statement: The smux Statement (TCP/IP Network Administration)
traceroute: Tracing Routes (TCP/IP Network Administration)
- diagnostic troubleshooting: Diagnostic Tools (TCP/IP Network Administration)
- Network Diagnostics (Building Internet Firewalls)
- traceroute (Building Internet Firewalls)
- complications: Complications with traceroute (Network Troubleshooting Tools)
- cyberkit suite: Cyberkit (Network Troubleshooting Tools)
- getif and: SNMP Tools (Network Troubleshooting Tools)
- identifying address ranges: Mapping or Diagramming (Network Troubleshooting Tools)
- loose source routing: Complications with traceroute (Network Troubleshooting Tools)
- options: Options (Network Troubleshooting Tools)
- path discovery with: Path Discovery with traceroute (Network Troubleshooting Tools)
- source website: Sources for Tools (Network Troubleshooting Tools)
- - Sources for Tools (Network Troubleshooting Tools)
- tracert tool: Microsoft Windows (Network Troubleshooting Tools)
- using with tkined: Autodiscovery with tkined (Network Troubleshooting Tools)
tracert (see also traceroute program)
tracert routing tool: Complications with traceroute (Network Troubleshooting Tools)
- Microsoft Windows (Network Troubleshooting Tools)
tracing protocols, gated: The gated Command (TCP/IP Network Administration)
tracking
- changes to systems with tripwire: tripwire (Network Troubleshooting Tools)
- FTP transfers: lsof (Network Troubleshooting Tools)
- IP addresses: IP Address Management (Network Troubleshooting Tools)
- log files: Log File Management (Network Troubleshooting Tools)
- open files on systems: lsof (Network Troubleshooting Tools)
- software installations: Documentation (Network Troubleshooting Tools)
trade shows: Sources of Information (Network Troubleshooting Tools)
traffic: Capacity Planning (DNS and Bind)
- ethereal/tethereal: ethereal / tethereal (Managing NFS and NIS)
- filters and: Using OpenView Filters (Essential SNMP)
- generated by pathchar: pathchar (Network Troubleshooting Tools)
- graphing with MRTG: Viewing Graphs (Essential SNMP)
- internal polling and: Internal Polling (Essential SNMP)
- on lines, measuring (If%util): Using Input and Output Octets (Essential SNMP)
- root name servers and: Root Name Servers (DNS and Bind)
- saturation points: Using Input and Output Octets (Essential SNMP)
- setting thresholds for: Polling and Thresholds (Essential SNMP)
- snoop and: snoop (Managing NFS and NIS)
- affecting SRI-NIC host: The History of the Domain Name System (DNS and Bind)
- throughput improvements and: Throughput Measurements (Network Troubleshooting Tools)
- understanding current behavior: Need for Troubleshooting Tools (Network Troubleshooting Tools)
- volume: Characterization of NFS behavior (Managing NFS and NIS)
traffic analysis attacks: Traffic Analysis (SSH, The Secure Shell)
traffic capture tools: Traffic Capture Tools (Network Troubleshooting Tools)
- access to traffic: Access to Traffic (Network Troubleshooting Tools)
- analysis tools: Analysis Tools (Network Troubleshooting Tools)
- duplicating traffic on ports: Access to Traffic (Network Troubleshooting Tools)
- ethereal tool: Using ethereal (Network Troubleshooting Tools)
- filters: Filtering (Network Troubleshooting Tools)
- getif tool: getif revisited (Network Troubleshooting Tools)
- methods of capturing data: Capturing Data (Network Troubleshooting Tools)
- network-monitoring tools: What, When, and Where (Network Troubleshooting Tools)
- sanitizing captures: sanitize (Network Troubleshooting Tools)
- security issues: Dark Side of Packet Capture (Network Troubleshooting Tools)
- snapshots of data: trafshow (Network Troubleshooting Tools)
- snoop tool: Other Packet Capture Programs (Network Troubleshooting Tools)
- tcpdump tool: tcpdump (Network Troubleshooting Tools)
traffic control configuration files: Security files (Network Troubleshooting Tools)
traffic load generation (see load generators)
traffic measurement tools: Path Performance (Network Troubleshooting Tools)
- Traffic Measurements with netstat (Network Troubleshooting Tools)
- busy hours and: What, When, and Where (Network Troubleshooting Tools)
- - mrtg (Network Troubleshooting Tools)
- as first step in performance measurement: What, When, and Where (Network Troubleshooting Tools)
- host-monitoring tools: What, When, and Where (Network Troubleshooting Tools)
- - Host-Monitoring Tools (Network Troubleshooting Tools)
- load generators (see load generators)
- local vs. remote traffic: Web mode (Network Troubleshooting Tools)
- Microsoft Windows: Microsoft Windows (Network Troubleshooting Tools)
- network-monitoring tools: Network-Monitoring Tools (Network Troubleshooting Tools)
- point-monitoring tools: What, When, and Where (Network Troubleshooting Tools)
- - Point-Monitoring Tools (Network Troubleshooting Tools)
- traffic intervals and locations: What, When, and Where (Network Troubleshooting Tools)
traffic monitors (see traffic capture tools)
trafshow capture tool: trafshow (Network Troubleshooting Tools)
- Sources for Tools (Network Troubleshooting Tools)
trailing dot (.): SOA Records (DNS and Bind)
- The Search List (DNS and Bind)
- in domain names: Missing Dot at the End of a Domain Name in a Zone Data File (DNS and Bind)
- - Master File Format (DNS and Bind)
  - importance of not omitting: Appending Domain Names (DNS and Bind)
- local domain name written without: The Local Domain Name (DNS and Bind)
trailing spaces, BIND resolver and: The Local Domain Name (DNS and Bind)
training costs: Economic considerations (Network Troubleshooting Tools)
training courses: Sources of Information (Network Troubleshooting Tools)
transaction signatures (see TSIG)
transfer-format option (named): The options Statement (TCP/IP Network Administration)
transfer-format substatement: More efficient zone transfers (DNS and Bind)
transfer-map NIS RPC call: Changing NIS master servers (Managing NFS and NIS)
transfer rates in ttcp tool: ttcp (Network Troubleshooting Tools)
transfer size, NFS version 3: NFS Version 3 (Managing NFS and NIS)
transfer-source option (named): The options Statement (TCP/IP Network Administration)
transfer-source substatement: Configuring the IPv4 Transport (DNS and Bind)
transfer-source-v6 substatement: Configuring the IPv6 Transport (DNS and Bind)
- Configuring the IPv6 Transport (DNS and Bind)
TransferOption field, NFS log record: NFS server logging (Managing NFS and NIS)
transferring files (see files, transferring)
transferring maps
- servers, existing: Changing NIS master servers (Managing NFS and NIS)
- ypxfr tool: Regular map transfers (Managing NFS and NIS)
transfers-in option (named): The options Statement (TCP/IP Network Administration)
transfers-in substatement: Limiting the total number of zone transfers requested (DNS and Bind)
- limit transfers-in (DNS and Bind)
transfers-out option (named): The options Statement (TCP/IP Network Administration)
transfers-per-ns option (named): The options Statement (TCP/IP Network Administration)
transfers-per-ns substatement: Limiting transfers requested per name server (DNS and Bind)
- limit transfers-in (DNS and Bind)
- limit transfers-per-ns (DNS and Bind)
TransferSize field, NFS log record: NFS server logging (Managing NFS and NIS)
transformation field (sendmail rewrite rules): Transforming the Address (TCP/IP Network Administration)
transformation metasymbols (sendmail): Transforming the Address (TCP/IP Network Administration)
transforming addresses, sendmail: Transforming the Address (TCP/IP Network Administration)
- creating databases: Using Key Files in sendmail (TCP/IP Network Administration)
- databases: Transforming with a database (TCP/IP Network Administration)
transitive mounts: Resolving mount problems (Managing NFS and NIS)
translating (see mapping)
translating OID numbers to names: snmptranslate (Network Troubleshooting Tools)
translation, IP addresses: Address Resolution (TCP/IP Network Administration)
Transmission Control Protocol (see TCP)
- SNMP and UDP (Essential SNMP)
- Acknowledgments (SSH, The Secure Shell)
Transmission Control Protocol (TCP): Transmission Control Protocol (TCP/IP Network Administration)
Transmission Control Protocol/Internet Protocol (see TCP/IP protocol)
transmission delays or times: Performance Measurements (Network Troubleshooting Tools)
transmission order: Data Transmission Order (DNS and Bind)
transmission points, hidden or unknown: pathchar (Network Troubleshooting Tools)
- bing (Network Troubleshooting Tools)
transmission rates: Performance Measurements (Network Troubleshooting Tools)
transmit lights: Link lights (Network Troubleshooting Tools)
transparency: Proxy Services (Building Internet Firewalls)
- Preface (Managing NFS and NIS)
- Network File System Design and Operation (Managing NFS and NIS)
- Port Forwarding and X Forwarding (SSH, The Secure Shell)
- of client changes for proxying: Using Proxy-Aware Application Software for Proxying (Building Internet Firewalls)
transparent access, enabling: Enabling transparent access (Managing NFS and NIS)
transparent proxying (see routers, proxy-aware)
transport endpoint, nfsd daemon and: nfsd and NFS server threads (Managing NFS and NIS)
Transport-Independent RPC (TI-RPC): Socket RPC and Transport Independent RPC (Managing NFS and NIS)
Transport Layer: Data Communications Model (TCP/IP Network Administration)
- Transport Layer (TCP/IP Network Administration)
- TCP: Transmission Control Protocol (TCP/IP Network Administration)
- UDP: User Datagram Protocol (TCP/IP Network Administration)
transport layer (7-layer model): Transport layer (Managing NFS and NIS)
Transport Layer (OSI Model): Data Communications Model (TCP/IP Network Administration)
Transport Layer Protocol: Protocol Differences (SSH-1 Versus SSH-2) (SSH, The Secure Shell)
Transport Layer Security (see TLS)
transport-level protocols (see names of specific protocols)
transport-level services: Protocol and port filtering. (Network Troubleshooting Tools)
transport services: Extensions to the SMI in Version 2 (Essential SNMP)
Trap Generator (Network Computing Technologies): Sending Traps with Network Computing Technologies Trap Generator (Essential SNMP)
TRAP message (SNMP): Overview of SNMP (Network Troubleshooting Tools)
Trap Receiver (Network Computing Technologies): Using the Network Computing Technologies Trap Receiver (Essential SNMP)
TRAP-TYPE objects: Traps (Essential SNMP)
- SNMPv2 Traps (Essential SNMP)
- Forcing Your Hardware to Generate Traps (Essential SNMP)
traps: Managers and Agents (Essential SNMP)
- SNMP Traps (Essential SNMP)
- SNMPv2 Traps (Essential SNMP)
- SNMPv2 Traps (Essential SNMP)
- Overview of SNMP (Network Troubleshooting Tools)
- acknowledging receipt: SNMP inform (Essential SNMP)
- - snmpinform (Essential SNMP)
- alerts for network problems: Overview of SNMP (Network Troubleshooting Tools)
- authentication-failure (see authentication-failure traps)
- average numbers of: Log messages, notifications, and automatic actions (Essential SNMP)
- categories of: Understanding Traps (Essential SNMP)
- destinations, configuration of: SNMP Traps (Essential SNMP)
- - Cisco: Simple configuration (Essential SNMP)
  - Net-SNMP: Creating a configuration by hand (Essential SNMP)
  - OpenView: Simple configuration (Essential SNMP)
  - SystemEDGE: Simple configuration (Essential SNMP)
  - UPS: APC Symetra (Essential SNMP)
  - Windows agent: Windows/98 Agent (Essential SNMP)
  - - Windows 4.0 and Windows Agent (Essential SNMP)
- displaying with Perl: Monitoring Traps with Perl (Essential SNMP)
- enterprise-specific: SNMP Traps (Essential SNMP)
- - SNMPv2 Traps (Essential SNMP)
- environmental monitor traps (Cisco): Advanced configuration (Essential SNMP)
- generating: Agents and traps (Network Troubleshooting Tools)
- generating with logins: Who's Logging into My Machine? (I-Am-in) (Essential SNMP)
- generic numbers: SNMP Traps (Essential SNMP)
- - SNMPv2 Traps (Essential SNMP)
- including times in (Net-SNMP): Sending Traps with Net-SNMP (Essential SNMP)
- inform mechanism: SNMP inform (Essential SNMP)
- - snmpinform (Essential SNMP)
- Microsoft Windows: Windows SNMP Setup (Network Troubleshooting Tools)
- monitoring applications with: SNMP Agents (Essential SNMP)
- OpenView
- - ignoring: The Alarm Browser (Essential SNMP)
  - limiting sources: Selecting event sources (Essential SNMP)
  - ÒLog onlyÓ option: Setting event categories (Essential SNMP)
  - logging: HP OpenView (Essential SNMP)
  - Òno formatÓ traps: Creating Events Within OpenView (Essential SNMP)
- ports: SNMP and UDP (Essential SNMP)
- receiving: Receiving Traps (Essential SNMP)
- - Net-SNMP: Receiving Traps Using Net-SNMP (Essential SNMP)
  - OpenView: HP OpenView (Essential SNMP)
  - Perl: Monitoring Traps with Perl (Essential SNMP)
  - SNMPv3: SNMPv3 Applications (Essential SNMP)
  - testing reception: Forcing Your Hardware to Generate Traps (Essential SNMP)
  - Trap Receiver: Using the Network Computing Technologies Trap Receiver (Essential SNMP)
- redundant: Disk-Space Checker (Essential SNMP)
- RMON: RMON (Network Troubleshooting Tools)
- - alarms and events: Remote Monitoring (RMON) (Essential SNMP)
  - falling threshold alarms: Remote Monitoring (RMON) (Essential SNMP)
  - - RMON configuration (Essential SNMP)
    - RMON configuration (Essential SNMP)
  - logging: RMON configuration (Essential SNMP)
  - rising threshold alarms: Remote Monitoring (RMON) (Essential SNMP)
  - - RMON configuration (Essential SNMP)
    - RMON configuration (Essential SNMP)
  - unidirectional traps: Remote Monitoring (RMON) (Essential SNMP)
- scotty trap handlers: scotty (Network Troubleshooting Tools)
- sending: Sending Traps (Essential SNMP)
- - Cisco devices: Cisco Devices (Essential SNMP)
  - forcing: 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)
  - - snmptrap (Essential SNMP)
    - Sending SNMPv3 traps with Net-SNMP (Essential SNMP)
  - OpenView: Sending Traps with OpenView (Essential SNMP)
  - - General Trap-Generation Program (Essential SNMP)
  - Perl: Sending Traps with Perl (Essential SNMP)
  - - General Trap-Generation Program (Essential SNMP)
    - snmptrap( ) (Essential SNMP)
  - SNMPv3: SNMPv3 Applications (Essential SNMP)
  - - Sending SNMPv3 traps with Net-SNMP (Essential SNMP)
  - testing generation: Forcing Your Hardware to Generate Traps (Essential SNMP)
  - Trap Generator: Sending Traps with Network Computing Technologies Trap Generator (Essential SNMP)
- sending messages with: Using NNM for Communications (Essential SNMP)
- sequence of events in: SNMP Traps (Essential SNMP)
- server thresholds: Disk-Space Checker (Essential SNMP)
- SMIv2 extensions to: Extensions to the SMI in Version 2 (Essential SNMP)
- SNMP agents and: Agents and traps (Network Troubleshooting Tools)
- SNMP compatibility and: What Does SNMP-Compatible Really Mean? (Essential SNMP)
- snmptrap arguments: Sending Traps (Essential SNMP)
- snmptrap utility: Agents and traps (Network Troubleshooting Tools)
- snmptrapd utility: Agents and traps (Network Troubleshooting Tools)
- SNMPv3: SNMPv2 Traps (Essential SNMP)
- - SNMPv3 Applications (Essential SNMP)
  - Sending SNMPv3 traps with Net-SNMP (Essential SNMP)
- SNMPv1 and v2: SNMPv2 Traps (Essential SNMP)
- - Sending Traps with Net-SNMP (Essential SNMP)
- specific numbers: Sending Traps (Essential SNMP)
- timestamps: Sending Traps (Essential SNMP)
- tkined usage: SNMP traps (Network Troubleshooting Tools)
- trap-directed polling: NMS Architectures (Essential SNMP)
- UDP (see UDP)
- unreceived traps: SNMP and UDP (Essential SNMP)
- - SNMP Traps (Essential SNMP)
  - Understanding Traps (Essential SNMP)
  - Disk-Space Checker (Essential SNMP)
- variable bindings: SNMP Traps (Essential SNMP)
- - Sending Traps (Essential SNMP)
  - Sending Traps with OpenView (Essential SNMP)
  - Sending Traps with Perl (Essential SNMP)
trayping packet tool: Microsoft Windows (Network Troubleshooting Tools)
- Sources for Tools (Network Troubleshooting Tools)
treat-cr-as-space option (named): The options Statement (TCP/IP Network Administration)
trees, DNS: DNS Data (Building Internet Firewalls)
trend analysis: Characteristics of Management Software (Network Troubleshooting Tools)
- RMON (Network Troubleshooting Tools)
- Capacity planning (Network Troubleshooting Tools)
- Capacity planning (Network Troubleshooting Tools)
trend-analysis software: Trend Analysis (Essential SNMP)
treno bulk transfer tool: Other related tools (Network Troubleshooting Tools)
- Sources for Tools (Network Troubleshooting Tools)
triggered updates (routing): Running RIP with routed (TCP/IP Network Administration)
trimlog program: trimlog (Building Internet Firewalls)
Trinagy TREND: Trend Analysis (Essential SNMP)
Triple A server: Authentication and Auditing Services (Building Internet Firewalls)
Triple-DES: Triple-DES (SSH, The Secure Shell)
Triple DES algorithm: Encryption Algorithms (Building Internet Firewalls)
Tripwire (automated system monitoring): Automated Monitoring (TCP/IP Network Administration)
tripwire integrity tool: Host Configurations (Network Troubleshooting Tools)
- tripwire (Network Troubleshooting Tools)
- Microsoft Windows (Network Troubleshooting Tools)
- Sources for Tools (Network Troubleshooting Tools)
Tripwire package: Running a Security Audit (Building Internet Firewalls)
- Tripwire (Building Internet Firewalls)
Trivial File Transport Protocol (see TFTP)
Trojan horse attacks, ICMP and: ICMP and Network Diagnostics (Building Internet Firewalls)
Trojnara, Micha: stunnel (SSH, The Secure Shell)
troubleshooting: Troubleshooting nslookup Problems (DNS and Bind)
- Troubleshooting DNS and BIND (DNS and Bind)
- Troubleshooting and FAQ (SSH, The Secure Shell)
- Checking Name Service (TCP/IP Network Administration)
- basic ideas: Troubleshooting Hints (TCP/IP Network Administration)
- BIND 8/9 and: Transition Problems (DNS and Bind)
- tutorials and resources: Troubleshooting (Network Troubleshooting Tools)
- cache corruption: Cache Corruption (TCP/IP Network Administration)
- checking delegation: Good Parenting (DNS and Bind)
- connection closes after password prompt: General authentication problems (SSH, The Secure Shell)
- corrupted cache: Can't Get Rid of Old Data (DNS and Bind)
- data collection: Network Management and Troubleshooting (Network Troubleshooting Tools)
- debugging output and (see debugging)
- diagnosing problems
- - breaking problems into pieces: General Approaches to Troubleshooting (Network Troubleshooting Tools)
  - changes to systems: General Approaches to Troubleshooting (Network Troubleshooting Tools)
  - data collection: Network Management and Troubleshooting (Network Troubleshooting Tools)
  - general approaches: General Approaches to Troubleshooting (Network Troubleshooting Tools)
- dig debugging tool: dig: An Alternative to nslookup (TCP/IP Network Administration)
- dig utility: dig's Output Format (DNS and Bind)
- diskless clients: Troubleshooting (Managing NFS and NIS)
- documenting networks: Documentation (Network Troubleshooting Tools)
- documenting steps in: Automating Documentation (Network Troubleshooting Tools)
- effect on by setting ifconfig values: Assigning an Address (TCP/IP Network Administration)
- empty passwords refused: Password authentication (SSH, The Secure Shell)
- file locking: Troubleshooting locking problems (Managing NFS and NIS)
- firewall installation: Firewall testing (Network Troubleshooting Tools)
- installation: Installation Testing (Network Troubleshooting Tools)
- interoperability problems: Interoperability and Version Problems (DNS and Bind)
- logging telnet sessions: Automating Documentation (Network Troubleshooting Tools)
- management practices: Troubleshooting and Management (Network Troubleshooting Tools)
- name servers: Checking Name Service (TCP/IP Network Administration)
- - cache corruption: Cache Corruption (TCP/IP Network Administration)
  - slave servers: The Data Is Here and the Server Can't Find It! (TCP/IP Network Administration)
  - spotty service: Some Systems Work, Others Don't (TCP/IP Network Administration)
- network access
- - arp command: Troubleshooting with the arp Command (TCP/IP Network Administration)
  - ifconfig command: Troubleshooting with the ifconfig Command (TCP/IP Network Administration)
  - netstat command: Checking the Interface with netstat (TCP/IP Network Administration)
- vs. network management: Troubleshooting Versus Management (Network Troubleshooting Tools)
- NFS client: NFS client problems (Managing NFS and NIS)
- NFS server: NFS server problems (Managing NFS and NIS)
- NIS problems: Is NIS Really Your Problem? (DNS and Bind)
- nslookup: Troubleshooting nslookup Problems (DNS and Bind)
- - Using nslookup (TCP/IP Network Administration)
overview: Approaching a Problem (TCP/IP Network Administration)
password authentication fails: Password authentication (SSH, The Secure Shell)
ping command and: Testing Basic Connectivity (TCP/IP Network Administration)
- implementing: The ping Command (TCP/IP Network Administration)
potential problems (list): Potential Problem List (DNS and Bind)
preparing for problems: Need for Troubleshooting Tools (Network Troubleshooting Tools)
preventing and handling disasters: Planning for Disasters (DNS and Bind)
proactive nature of: Preface (Network Troubleshooting Tools)
problem symptoms and: Problem Symptoms (DNS and Bind)
protocols
- ftp failure: Protocol Case Study (TCP/IP Network Administration)
- overview: Analyzing Protocol Problems (TCP/IP Network Administration)
- snoop: Packet Filters (TCP/IP Network Administration)
recording command line sequences: Automating Documentation (Network Troubleshooting Tools)
remote administrators, contacting: Locating an Administrator (TCP/IP Network Administration)
RequiredAuthentications fails: General authentication problems (SSH, The Secure Shell)
routing: Checking Routing (TCP/IP Network Administration)
- traceroute command: Tracing Routes (TCP/IP Network Administration)
serial connections: Troubleshooting Serial Connections (TCP/IP Network Administration)
SilentDeny: General authentication problems (SSH, The Secure Shell)
slave servers: The Data Is Here and the Server Can't Find It! (TCP/IP Network Administration)
spotty service: Some Systems Work, Others Don't (TCP/IP Network Administration)
strategies
- generic troubleshooting: Generic Troubleshooting (Network Troubleshooting Tools)
- task-specific strategies: Task-Specific Troubleshooting (Network Troubleshooting Tools)
system configuration files: System Configuration Files (Network Troubleshooting Tools)
tools (see tools)
- Software Sources (Network Troubleshooting Tools)
tools and techniques for: Troubleshooting Tools and Techniques (DNS and Bind)
TSIG errors: TSIG Errors (DNS and Bind)

Tru64 Unix configuring resolvers for: Compaq's Tru64 Unix and Digital Unix (DNS and Bind)
truncated packets: Option Settings (DNS and Bind)
truncating packets: Controlling program behavior (Network Troubleshooting Tools)
trunking: Multiple interfaces (Managing NFS and NIS)

Switched networks (Managing NFS and NIS)

trust relationships: Basic Configuration Files (Network Troubleshooting Tools)

Security files (Network Troubleshooting Tools)

TRUST_AUTH_MECH macro (sendmail): sendmail Macros (TCP/IP Network Administration)
trusted host access, denying to specified hosts: shosts access control (SSH, The Secure Shell)
trusted-host authentication: Stronger trusted-host authentication (SSH, The Secure Shell)

batch and cron jobs: Trusted-Host Authentication (SSH, The Secure Shell)
troubleshooting: Server Debugging (SSH, The Secure Shell)
- Trusted-host authentication (SSH, The Secure Shell)

trusted hosts: Secure the r Commands (TCP/IP Network Administration)

client-to-client relationships: Trusted hosts and trusted users (Managing NFS and NIS)
client-to-server relationships: Trusted hosts and trusted users (Managing NFS and NIS)
server-to-client relationships: Trusted hosts and trusted users (Managing NFS and NIS)
server-to-server relationships: Trusted hosts and trusted users (Managing NFS and NIS)

Trusted Information Systems (see TIS)

Acknowledgments (SSH, The Secure Shell)

trusted-keys statement (named.conf file): The trusted-keys Statement (TCP/IP Network Administration)
trusted third parties: Key/identity binding (SSH, The Secure Shell)
trusted users

client-to-client relationships: Trusted hosts and trusted users (Managing NFS and NIS)
client-to-server relationships: Trusted hosts and trusted users (Managing NFS and NIS)
server-to-client relationships: Trusted hosts and trusted users (Managing NFS and NIS)
server-to-server relationships: Trusted hosts and trusted users (Managing NFS and NIS)

trusted users command (sendmail): Defining Trusted Users (TCP/IP Network Administration)
Trusted Users (generic-linux.cf section): General sendmail.cf Structure (TCP/IP Network Administration)
trustedgateways parameter (gated): The rip Statement (TCP/IP Network Administration)
TRYAGAIN condition: Sun's Solaris 2.x (DNS and Bind)
/tryflags command (sendmail): Testing Rewrite Rules (TCP/IP Network Administration)
TS (Technical Specification) standards: Protocol Standards (TCP/IP Network Administration)
TSIG record: The TSIG Record (DNS and Bind)
TSIG-signed dynamic update: TSIG-Signed Updates (DNS and Bind)

Windows2000 and: Secure Dynamic Update (DNS and Bind)

TSIG (transaction signatures): TSIG (DNS and Bind)

configuring: Configuring TSIG (DNS and Bind)
troubleshooting: TSIG Errors (DNS and Bind)
using: Using TSIG (DNS and Bind)

ttcp load testing tool

generating loads with: Load Generators (Network Troubleshooting Tools)
Microsoft Windows: Microsoft Windows (Network Troubleshooting Tools)
source website: Sources for Tools (Network Troubleshooting Tools)
uses: ttcp (Network Troubleshooting Tools)

$TTL directive (zone files): The $TTL directive (TCP/IP Network Administration)

Zone File Records (TCP/IP Network Administration)

TTL field: Interpreting results (Network Troubleshooting Tools)

Interpreting results (Network Troubleshooting Tools)
Path Discovery with traceroute (Network Troubleshooting Tools)
hping (Network Troubleshooting Tools)

ttl field (resource records): Standard Resource Records (TCP/IP Network Administration)
ttl parameter

gated bgp statement: The bgp Statement (TCP/IP Network Administration)
gated egp statement: The egp Statement (TCP/IP Network Administration)

TTL (time to live): Time to Live (DNS and Bind)

changing: Changing TTLs (DNS and Bind)
configuring limits for: TTLs (DNS and Bind)
default: Changing TTLs (DNS and Bind)
- Changing Other SOA Values (DNS and Bind)
- BIND 8/9 and: TTL Not Set (DNS and Bind)
- setting for zones: Setting the Zone's Default TTL (DNS and Bind)
lame: TTLs (DNS and Bind)
minimum: Changing Other SOA Values (DNS and Bind)
negative caching TTL value: SOA Values (DNS and Bind)
root hints data and: The Root Hints Data (DNS and Bind)
round robin load distribution and: Round Robin Load Distribution (DNS and Bind)

ttl value (DNS resource records): Standard Resource Records (TCP/IP Network Administration)
TTSSH: Table of Products (SSH, The Secure Shell)
ttssh ssh extensions: Microsoft Windows (Network Troubleshooting Tools)

Sources for Tools (Network Troubleshooting Tools)

interactive vs. noninteractive connections: Disabling TTY Allocation (SSH, The Secure Shell)
SSH_TTY: Disabling TTY Allocation (SSH, The Secure Shell)

tty allocation: Pseudo-terminal allocation (TTY/PTY/PTTY) (SSH, The Secure Shell)

disabling: Disabling TTY Allocation (SSH, The Secure Shell)

TUI (Text User Interface): APC Symetra (Essential SNMP)
tunable parameters: Tunable Parameters (Managing NFS and NIS)
tuning networks: What, When, and Where (Network Troubleshooting Tools)
tunnel: Acknowledgments (SSH, The Secure Shell)

Port Forwarding (SSH, The Secure Shell)
Forwarding ( Tunneling) (SSH, The Secure Shell)
creating: Local Forwarding (SSH, The Secure Shell)

tunneling

HTTP: HTTP Tunneling (Building Internet Firewalls)
multicast: Multicast and the Multicast Backbone (MBONE) (Building Internet Firewalls)
SSH, of X Window System: Window System (Building Internet Firewalls)

tunneling option (Linux kernel configuration): Linux Kernel Configuration (TCP/IP Network Administration)
turnkey network systems: Need for Troubleshooting Tools (Network Troubleshooting Tools)
twisted pair cable: Testing Adapters (Network Troubleshooting Tools)
Twofish algorithm: Twofish (SSH, The Secure Shell)
TXT records: General text information (DNS and Bind)

Types (DNS and Bind)
Revealing too much information to attackers (Building Internet Firewalls)
Text record (TCP/IP Network Administration)
query statistics for: BIND 4.9 and 8 statistics (DNS and Bind)
secure_zone records and: Restricting queries in a particular zone (DNS and Bind)

type field

inet.conf file: The Internet Daemon (TCP/IP Network Administration)
resource records: Standard Resource Records (TCP/IP Network Administration)

Type field (sendmail): Defining Mailers (TCP/IP Network Administration)
Type registry key: Registry keys (Building Internet Firewalls)
type value (DNS resource records): Standard Resource Records (TCP/IP Network Administration)

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