Protocol (SSH, The Secure Shell) 1.6.6. Secure Socket Layer (SSL)
email and: 16.2.2. TLS/SSL, SSMTP, and STARTTLS (Building Internet Firewalls)

tmetric bandwidth tool: 4.2.2.2. pathchar (Network Troubleshooting Tools)

A.4. Sources for Tools (Network Troubleshooting Tools)

/tmp partitions, monitoring: 9.2.3.2. Creating a threshold (Essential SNMP)

TNG Framework: 5.2. NMS Suites (Essential SNMP)

tnm extensions (scotty): 6.4.1. Tcl/Tk and scotty (Network Troubleshooting Tools)

6.7.2. Other Tools for Windows (Network Troubleshooting Tools)

toasters controlled by SNMP: 7.2.1.4. snmpset (Network Troubleshooting Tools)

too many open files message: 7.6.1. Common Syslog Messages (DNS and Bind)

14.5.3. Name Server Reports "Too Many Open Files" (DNS and Bind)

Tool Command Language (see Tcl/Tk language)

tools: 6.1.2. Discovery and Mapping Tools (Network Troubleshooting Tools)

characteristics of management software: 6.1.1. Characteristics of Management Software (Network Troubleshooting Tools)

datestamping and versions: 1.3.1. Documentation (Network Troubleshooting Tools)

for firewalls: B. Tools (Building Internet Firewalls)

installing: A.1. Installing Software (Network Troubleshooting Tools)

inventories of contents: 1.3.1. Documentation (Network Troubleshooting Tools)

legal and ethical considerations: 1.3.2.3. Legal and ethical considerations (Network Troubleshooting Tools)

licenses: A.3. Licenses (Network Troubleshooting Tools)

network management tools in troubleshooting: 6.1. Troubleshooting Versus Management (Network Troubleshooting Tools)

preparing for problems: 1.2. Need for Troubleshooting Tools (Network Troubleshooting Tools)

for security incidents: 27.5.5. Keeping a Cache of Tools and Supplies (Building Internet Firewalls)

sources for: A.2. Generic Sources (Network Troubleshooting Tools)

A.4. Sources for Tools (Network Troubleshooting Tools)

taxonomy of: A.2. Generic Sources (Network Troubleshooting Tools)

ToolTalk: 14.6. ToolTalk (Building Internet Firewalls)

Top Gun SSH: 13.3. Table of Products (SSH, The Secure Shell)

Top-Level Aggregators (TLAs): 10.14. The ABCs of IPv6 Addressing (DNS and Bind)

top-level domains (TLDs): 2.1.2. Domains (DNS and Bind)

3.3.1. The Domain Hierarchy (TCP/IP Network Administration)

2.1.2. Domains (DNS and Bind)

2.2.1. Top-Level Domains (DNS and Bind)

choosing: 3.2.2. Where in the World Do I Fit? (DNS and Bind)

for international domains: 3.2.2. Where in the World Do I Fit? (DNS and Bind)
for U.S.domains: 3.2.3. Back in the U.S.A. (DNS and Bind)

examining structure of with nslookup: 3.2.2. Where in the World Do I Fit? (DNS and Bind)

generic (see gTLDs)

list of: D. Top-Level Domains (DNS and Bind)

subdomain names and: 9.3. What to Name Your Children (DNS and Bind)

top process display tool: 2.1.2. top (Network Troubleshooting Tools)

8.3.1. ntop (Network Troubleshooting Tools)
A.4. Sources for Tools (Network Troubleshooting Tools)

top utility: 8.1.2. Capacity Planning (DNS and Bind)

topology: 2.1. Addressing, Routing, and Multiplexing (TCP/IP Network Administration)

option (named): C.2.5. The options Statement (TCP/IP Network Administration)
problems, using maps to resolve: 6.5. Mapping or Diagramming (Network Troubleshooting Tools)
name server preferences and: 10.9. Preferring Name Servers on Certain Networks (DNS and Bind)
statements (dhcpd): D.3.1. Topology Statements (TCP/IP Network Administration)

trace command: 7.1.1. ndc and controls (BIND 8) (DNS and Bind)

trace files: 9.2.3.2. Creating a threshold (Essential SNMP)

trace_file (gated): B.4. Trace Statements (TCP/IP Network Administration)

trace_options (gated): B.4. Trace Statements (TCP/IP Network Administration)

traceoptions parameter

gated isis statement: B.8.3. The isis Statement (TCP/IP Network Administration)
gated ospf statement: B.8.1. The ospf Statement (TCP/IP Network Administration)
gated rip statement: B.8.2. The rip Statement (TCP/IP Network Administration)
gated smux statement: B.8.6. The smux Statement (TCP/IP Network Administration)

traceroute: 13.5.1. Tracing Routes (TCP/IP Network Administration)

diagnostic troubleshooting: 13.2. Diagnostic Tools (TCP/IP Network Administration)

2.9.3. Network Diagnostics (Building Internet Firewalls)

22.4.2. traceroute (Building Internet Firewalls)

complications: 4.1.2. Complications with traceroute (Network Troubleshooting Tools)

cyberkit suite: 6.7.1. Cyberkit (Network Troubleshooting Tools)

getif and: 7.4.2. SNMP Tools (Network Troubleshooting Tools)

identifying address ranges: 6.5. Mapping or Diagramming (Network Troubleshooting Tools)

loose source routing: 4.1.2. Complications with traceroute (Network Troubleshooting Tools)

options: 4.1.1. Options (Network Troubleshooting Tools)

path discovery with: 4.1. Path Discovery with traceroute (Network Troubleshooting Tools)

source web site: A.4. Sources for Tools (Network Troubleshooting Tools)

A.4. Sources for Tools (Network Troubleshooting Tools)

tracert tool: 4.3. Microsoft Windows (Network Troubleshooting Tools)

using with tkined: 6.5.1.2. Autodiscovery with tkined (Network Troubleshooting Tools)

tracert routing tool: 4.1.2. Complications with traceroute (Network Troubleshooting Tools)

4.3. Microsoft Windows (Network Troubleshooting Tools)

tracing protocols, gated: B.1. The gated Command (TCP/IP Network Administration)

tracking

changes to systems with tripwire: 11.4.1. tripwire (Network Troubleshooting Tools)
FTP transfers: 2.1.4. lsof (Network Troubleshooting Tools)
IP addresses: 6.2.1. IP Address Management (Network Troubleshooting Tools)
log files: 11.2.2. Log File Management (Network Troubleshooting Tools)
open files on systems: 2.1.4. lsof (Network Troubleshooting Tools)
software installations: 1.3.1. Documentation (Network Troubleshooting Tools)

trade shows: B.1. Sources of Information (Network Troubleshooting Tools)

traffic: 8.1.2. Capacity Planning (DNS and Bind)

ethereal/tethereal: 14.4.1. ethereal / tethereal (Managing NFS and NIS)
filters and: 6.1.5. Using OpenView Filters (Essential SNMP)
generated by pathchar: 4.2.2.2. pathchar (Network Troubleshooting Tools)
graphing with MRTG: 13.2. Viewing Graphs (Essential SNMP)
internal polling and: 9.1. Internal Polling (Essential SNMP)
on lines, measuring (If%util): A. Using Input and Output Octets (Essential SNMP)
root name servers and: 2.6.1. Root Name Servers (DNS and Bind)
saturation points: A. Using Input and Output Octets (Essential SNMP)
setting thresholds for: 9. Polling and Thresholds (Essential SNMP)
snoop and: 13.5.1. snoop (Managing NFS and NIS)
affecting SRI-NIC host: 1.2.1. The History of the Domain Name System (DNS and Bind)
throughput improvements and: 4.2.3. Throughput Measurements (Network Troubleshooting Tools)
understanding current behavior: 1.2. Need for Troubleshooting Tools (Network Troubleshooting Tools)
volume: 16.1. Characterization of NFS behavior (Managing NFS and NIS)

traffic analysis attacks: 3.11.3. Traffic Analysis (SSH, The Secure Shell)

traffic capture tools: 5.1. Traffic Capture Tools (Network Troubleshooting Tools)

access to traffic: 5.2. Access to Traffic (Network Troubleshooting Tools)
analysis tools: 5.5. Analysis Tools (Network Troubleshooting Tools)
duplicating traffic on ports: 5.2. Access to Traffic (Network Troubleshooting Tools)
ethereal tool: 5.6.1.1. Using ethereal (Network Troubleshooting Tools)
filters: 5.4.2.4. Filtering (Network Troubleshooting Tools)
getif tool: 8.6.2. getif revisited (Network Troubleshooting Tools)
methods of capturing data: 5.3. Capturing Data (Network Troubleshooting Tools)
network-monitoring tools: 8.1. What, When, and Where (Network Troubleshooting Tools)
sanitizing captures: 5.5.1. sanitize (Network Troubleshooting Tools)
security issues: 5.7. Dark Side of Packet Capture (Network Troubleshooting Tools)
snapshots of data: 5.5.8. trafshow (Network Troubleshooting Tools)
snoop tool: 5.5.10. Other Packet Capture Programs (Network Troubleshooting Tools)
tcpdump tool: 5.4. tcpdump (Network Troubleshooting Tools)

traffic control configuration files: 2.2.5.2. Security files (Network Troubleshooting Tools)

traffic load generation (see load generators)

traffic measurement tools: 4.2. Path Performance (Network Troubleshooting Tools)

4.2.4. Traffic Measurements with netstat (Network Troubleshooting Tools)

busy hours and: 8.1. What, When, and Where (Network Troubleshooting Tools)

8.4.1. mrtg (Network Troubleshooting Tools)

as first step in performance measurement: 8.1. What, When, and Where (Network Troubleshooting Tools)

host-monitoring tools: 8.1. What, When, and Where (Network Troubleshooting Tools)

8.2. Host-Monitoring Tools (Network Troubleshooting Tools)

load generators (see load generators)

local vs. remote traffic: 8.3.1.2. Web mode (Network Troubleshooting Tools)

Microsoft Windows: 4.3. Microsoft Windows (Network Troubleshooting Tools)

network-monitoring tools: 8.4. Network-Monitoring Tools (Network Troubleshooting Tools)

point-monitoring tools: 8.1. What, When, and Where (Network Troubleshooting Tools)

8.3. Point-Monitoring Tools (Network Troubleshooting Tools)

traffic intervals and locations: 8.1. What, When, and Where (Network Troubleshooting Tools)

traffic monitors (see traffic capture tools)

trafshow capture tool: 5.5.8. trafshow (Network Troubleshooting Tools)

A.4. Sources for Tools (Network Troubleshooting Tools)

trailing dot (.): 4.2.4. SOA Records (DNS and Bind)

6.1.2. The Search List (DNS and Bind)

in domain names: 14.3.6. Missing Dot at the End of a Domain Name in a Zone Data File (DNS and Bind)

A.1. Master File Format (DNS and Bind)
importance of not omitting: 4.4.1. Appending Domain Names (DNS and Bind)

local domain name written without: 6.1.1. The Local Domain Name (DNS and Bind)

trailing spaces, BIND resolver and: 6.1.1. The Local Domain Name (DNS and Bind)

training costs: 1.3.2.4. Economic considerations (Network Troubleshooting Tools)

training courses: B.1. Sources of Information (Network Troubleshooting Tools)

transaction signatures (see TSIG)

transfer-format option (named): C.2.5. The options Statement (TCP/IP Network Administration)

transfer-format substatement: 10.12.1.6. More efficient zone transfers (DNS and Bind)

transfer-map NIS RPC call: 4.3.2. Changing NIS master servers (Managing NFS and NIS)

transfer rates in ttcp tool: 4.2.3.1. ttcp (Network Troubleshooting Tools)

transfer size, NFS version 3: 7.2.6. NFS Version 3 (Managing NFS and NIS)

transfer-source option (named): C.2.5. The options Statement (TCP/IP Network Administration)

transfer-source substatement: 10.15.1. Configuring the IPv4 Transport (DNS and Bind)

transfer-source-v6 substatement: 10.15.2. Configuring the IPv6 Transport (DNS and Bind)

10.15.2. Configuring the IPv6 Transport (DNS and Bind)

TransferOption field, NFS log record: 14.6. NFS server logging (Managing NFS and NIS)

transferring files (see files, transferring)

transferring maps

servers, existing: 4.3.2. Changing NIS master servers (Managing NFS and NIS)
ypxfr tool: 4.2.2. Regular map transfers (Managing NFS and NIS)

transfers-in option (named): C.2.5. The options Statement (TCP/IP Network Administration)

transfers-in substatement: 10.12.1.2. Limiting the total number of zone transfers requested (DNS and Bind)

E.2.11.1. limit transfers-in (DNS and Bind)

transfers-out option (named): C.2.5. The options Statement (TCP/IP Network Administration)

transfers-per-ns option (named): C.2.5. The options Statement (TCP/IP Network Administration)

transfers-per-ns substatement: 10.12.1.1. Limiting transfers requested per name server (DNS and Bind)

E.2.11.1. limit transfers-in (DNS and Bind)
E.2.11.2. limit transfers-per-ns (DNS and Bind)

TransferSize field, NFS log record: 14.6. NFS server logging (Managing NFS and NIS)

transformation field (sendmail rewrite rules): 10.6.2. Transforming the Address (TCP/IP Network Administration)

transformation metasymbols (sendmail): 10.6.2. Transforming the Address (TCP/IP Network Administration)

transforming addresses, sendmail: 10.6.2. Transforming the Address (TCP/IP Network Administration)

creating databases: 10.8.2. Using Key Files in sendmail (TCP/IP Network Administration)
databases: 10.6.2.1. Transforming with a database (TCP/IP Network Administration)

transitive mounts: 6.3.6. Resolving mount problems (Managing NFS and NIS)

translating (see mapping)

translating OID numbers to names: 7.2.1.5. snmptranslate (Network Troubleshooting Tools)

translation, IP addresses: 2.5. Address Resolution (TCP/IP Network Administration)

Transmission Control Protocol (see TCP)

2.1. SNMP and UDP (Essential SNMP)
0.10. Acknowledgments (SSH, The Secure Shell)

Transmission Control Protocol (TCP): 1.6.2. Transmission Control Protocol (TCP/IP Network Administration)

Transmission Control Protocol/Internet Protocol (see TCP/IP protocol)

transmission delays or times: 4.2.1. Performance Measurements (Network Troubleshooting Tools)

transmission order: A.2.5. Data Transmission Order (DNS and Bind)

transmission points, hidden or unknown: 4.2.2.2. pathchar (Network Troubleshooting Tools)

4.2.2.3. bing (Network Troubleshooting Tools)

transmission rates: 4.2.1. Performance Measurements (Network Troubleshooting Tools)

transmit lights: 3.1.3.1. Link lights (Network Troubleshooting Tools)

transparency: 5.3. Proxy Services (Building Internet Firewalls)

0. Preface (Managing NFS and NIS)
7. Network File System Design and Operation (Managing NFS and NIS)
9. Port Forwarding and X Forwarding (SSH, The Secure Shell)
of client changes for proxying: 9.2.1. Using Proxy-Aware Application Software for Proxying (Building Internet Firewalls)

transparent access, enabling: 12.1.2. Enabling transparent access (Managing NFS and NIS)

transparent proxying (see routers, proxy-aware)

transport endpoint, nfsd daemon and: 7.3.1. nfsd and NFS server threads (Managing NFS and NIS)

Transport-Independent RPC (TI-RPC): 1.5.3.1. Socket RPC and Transport Independent RPC (Managing NFS and NIS)

Transport Layer: 1.2. A Data Communications Model (TCP/IP Network Administration)

1.6. Transport Layer (TCP/IP Network Administration)
TCP: 1.6.2. Transmission Control Protocol (TCP/IP Network Administration)
UDP: 1.6.1. User Datagram Protocol (TCP/IP Network Administration)

transport layer (7-layer model): 1.4. Transport layer (Managing NFS and NIS)

Transport Layer (OSI Model): 1.2. A Data Communications Model (TCP/IP Network Administration)

Transport Layer Protocol: 3.5.1. 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: 5.4.2.4.2. Protocol and port filtering. (Network Troubleshooting Tools)

transport services: 2.4. Extensions to the SMI in Version 2 (Essential SNMP)

Trap Generator (Network Computing Technologies): 10.3.3. Sending Traps with Network Computing Technologies Trap Generator (Essential SNMP)

TRAP message (SNMP): 7.1. Overview of SNMP (Network Troubleshooting Tools)

Trap Receiver (Network Computing Technologies): 10.2.8. Using the Network Computing Technologies Trap Receiver (Essential SNMP)

TRAP-TYPE objects: 10. Traps (Essential SNMP)

10.1.1. SNMPv2 Traps (Essential SNMP)
10.3.5. Forcing Your Hardware to Generate Traps (Essential SNMP)

traps: 1.3. Managers and Agents (Essential SNMP)

2.6.6. SNMP Traps (Essential SNMP)

10.1.1. SNMPv2 Traps (Essential SNMP)

7.1. Overview of SNMP (Network Troubleshooting Tools)

acknowledging receipt: 2.6.8. SNMP inform (Essential SNMP)

C.3.14. snmpinform (Essential SNMP)

alerts for network problems: 7.1. Overview of SNMP (Network Troubleshooting Tools)

authentication-failure (see authentication-failure traps)

average numbers of: 10.2.2.4. Log messages, notifications, and automatic actions (Essential SNMP)

categories of: 10.1. Understanding Traps (Essential SNMP)

destinations, configuration of: 2.6.6. SNMP Traps (Essential SNMP)

Cisco: 7.3.6.1. Simple configuration (Essential SNMP)

Net-SNMP: 7.3.4.2. Creating a configuration by hand (Essential SNMP)

OpenView: 7.3.3.1. Simple configuration (Essential SNMP)

SystemEDGE: 7.3.5.1. Simple configuration (Essential SNMP)

UPS: 7.3.7. APC Symetra (Essential SNMP)

Windows agent: 7.3.1. Windows 95/98 Agent (Essential SNMP)

7.3.2. Windows NT 4.0 and Windows 2000 Agent (Essential SNMP)

displaying with Perl: 10.2.7. Monitoring Traps with Perl (Essential SNMP)

enterprise-specific: 2.6.6. SNMP Traps (Essential SNMP)

10.1.1. SNMPv2 Traps (Essential SNMP)

environmental monitor traps (Cisco): 7.3.6.2. Advanced configuration (Essential SNMP)

generating: 7.2.1.8. Agents and traps (Network Troubleshooting Tools)

generating with logins: 12.2. Who's Logging into My Machine? (I-Am-in) (Essential SNMP)

generic numbers: 2.6.6. SNMP Traps (Essential SNMP)

10.1.1. SNMPv2 Traps (Essential SNMP)

including times in (Net-SNMP): 10.3.4. Sending Traps with Net-SNMP (Essential SNMP)

inform mechanism: 2.6.8. SNMP inform (Essential SNMP)

C.3.14. snmpinform (Essential SNMP)

Microsoft Windows: 7.4.1. Windows SNMP Setup (Network Troubleshooting Tools)

monitoring applications with: 5.1. SNMP Agents (Essential SNMP)

OpenView

ignoring: 10.2.5. The Alarm Browser (Essential SNMP)
limiting sources: 10.2.2.1. Selecting event sources (Essential SNMP)
ÒLog onlyÓ option: 10.2.2.2. Setting event categories (Essential SNMP)
logging: 10.2.1. HP OpenView (Essential SNMP)
Òno formatÓ traps: 10.2.6. Creating Events Within OpenView (Essential SNMP)

ports: 2.1. SNMP and UDP (Essential SNMP)

receiving: 10.2. Receiving Traps (Essential SNMP)

Net-SNMP: 10.2.9. Receiving Traps Using Net-SNMP (Essential SNMP)
OpenView: 10.2.1. HP OpenView (Essential SNMP)
Perl: 10.2.7. Monitoring Traps with Perl (Essential SNMP)
SNMPv3: F.1.2. SNMPv3 Applications (Essential SNMP)
testing reception: 10.3.5. Forcing Your Hardware to Generate Traps (Essential SNMP)
Trap Receiver: 10.2.8. Using the Network Computing Technologies Trap Receiver (Essential SNMP)

redundant: 12.5. Disk-Space Checker (Essential SNMP)

RMON: 8.5. RMON (Network Troubleshooting Tools)

alarms and events: 9.1.1. Remote Monitoring (RMON) (Essential SNMP)

falling threshold alarms: 9.1.1. Remote Monitoring (RMON) (Essential SNMP)

9.1.1.1. RMON configuration (Essential SNMP)
9.1.1.1. RMON configuration (Essential SNMP)

logging: 9.1.1.1. RMON configuration (Essential SNMP)

rising threshold alarms: 9.1.1. Remote Monitoring (RMON) (Essential SNMP)

9.1.1.1. RMON configuration (Essential SNMP)
9.1.1.1. RMON configuration (Essential SNMP)

unidirectional traps: 9.1.1. Remote Monitoring (RMON) (Essential SNMP)

scotty trap handlers: 7.2.2. scotty (Network Troubleshooting Tools)

sending: 10.3. Sending Traps (Essential SNMP)

Cisco devices: 7.3.6. Cisco Devices (Essential SNMP)

forcing: 10.3.5. Forcing Your Hardware to Generate Traps (Essential SNMP)

hooks in programs: 10.3.6. Using Hooks with Your Programs (Essential SNMP)

Net-SNMP: 10.3.4. Sending Traps with Net-SNMP (Essential SNMP)

C.3.6. snmptrap (Essential SNMP)
F.2.2.3. Sending SNMPv3 traps with Net-SNMP (Essential SNMP)

OpenView: 10.3.1. Sending Traps with OpenView (Essential SNMP)

12.1. General Trap-Generation Program (Essential SNMP)

Perl: 10.3.2. Sending Traps with Perl (Essential SNMP)

12.1. General Trap-Generation Program (Essential SNMP)
E.2.5. snmptrap( ) (Essential SNMP)

SNMPv3: F.1.2. SNMPv3 Applications (Essential SNMP)

F.2.2.3. Sending SNMPv3 traps with Net-SNMP (Essential SNMP)

testing generation: 10.3.5. Forcing Your Hardware to Generate Traps (Essential SNMP)

Trap Generator: 10.3.3. Sending Traps with Network Computing Technologies Trap Generator (Essential SNMP)

sending messages with: B.4. Using NNM for Communications (Essential SNMP)

sequence of events in: 2.6.6. SNMP Traps (Essential SNMP)

server thresholds: 12.5. Disk-Space Checker (Essential SNMP)

SMIv2 extensions to: 2.4. Extensions to the SMI in Version 2 (Essential SNMP)

SNMP agents and: 7.2.1.8. Agents and traps (Network Troubleshooting Tools)

SNMP compatibility and: 4.1. What Does SNMP-Compatible Really Mean? (Essential SNMP)

snmptrap arguments: 10.3. Sending Traps (Essential SNMP)

snmptrap utility: 7.2.1.8. Agents and traps (Network Troubleshooting Tools)

snmptrapd utility: 7.2.1.8. Agents and traps (Network Troubleshooting Tools)

SNMPv3: 10.1.1. SNMPv2 Traps (Essential SNMP)

F.1.2. SNMPv3 Applications (Essential SNMP)
F.2.2.3. Sending SNMPv3 traps with Net-SNMP (Essential SNMP)

SNMPv1 and v2: 10.1.1. SNMPv2 Traps (Essential SNMP)

10.3.4. Sending Traps with Net-SNMP (Essential SNMP)

specific numbers: 10.3. Sending Traps (Essential SNMP)

timestamps: 10.3. Sending Traps (Essential SNMP)

tkined usage: 7.2.3.2. SNMP traps (Network Troubleshooting Tools)

trap-directed polling: 3.2. NMS Architectures (Essential SNMP)

UDP (see UDP)

unreceived traps: 2.1. SNMP and UDP (Essential SNMP)

2.6.6. SNMP Traps (Essential SNMP)
10.1. Understanding Traps (Essential SNMP)
12.5. Disk-Space Checker (Essential SNMP)

variable bindings: 2.6.6. SNMP Traps (Essential SNMP)

10.3. Sending Traps (Essential SNMP)
10.3.1. Sending Traps with OpenView (Essential SNMP)
10.3.2. Sending Traps with Perl (Essential SNMP)

trayping packet tool: 3.4. Microsoft Windows (Network Troubleshooting Tools)

A.4. Sources for Tools (Network Troubleshooting Tools)

treat-cr-as-space option (named): C.2.5. The options Statement (TCP/IP Network Administration)

trees, DNS: 20.1.3. DNS Data (Building Internet Firewalls)

trend analysis: 6.1.1. Characteristics of Management Software (Network Troubleshooting Tools)

8.5. RMON (Network Troubleshooting Tools)
12.2.2.3. Capacity planning (Network Troubleshooting Tools)
12.2.2.3. Capacity planning (Network Troubleshooting Tools)

trend-analysis software: 5.4. Trend Analysis (Essential SNMP)

treno bulk transfer tool: 4.2.3.4. Other related tools (Network Troubleshooting Tools)

A.4. Sources for Tools (Network Troubleshooting Tools)

triggered updates (routing): 7.4.1.1. Running RIP with routed (TCP/IP Network Administration)

trimlog program: B.6.10. trimlog (Building Internet Firewalls)

Trinagy TREND: 5.4. Trend Analysis (Essential SNMP)

Triple A server: 21. Authentication and Auditing Services (Building Internet Firewalls)

Triple-DES: 3.9.2.3. Triple-DES (SSH, The Secure Shell)

Triple DES algorithm: C.5.1. Encryption Algorithms (Building Internet Firewalls)

Tripwire (automated system monitoring): 12.4.3. Automated Monitoring (TCP/IP Network Administration)

tripwire integrity tool: 2. Host Configurations (Network Troubleshooting Tools)

11.4.1. tripwire (Network Troubleshooting Tools)
11.5. Microsoft Windows (Network Troubleshooting Tools)
A.4. Sources for Tools (Network Troubleshooting Tools)

Tripwire package: 11.6. Running a Security Audit (Building Internet Firewalls)

B.2.3. Tripwire (Building Internet Firewalls)

Trivial File Transport Protocol (see TFTP)

Trojan horse attacks, ICMP and: 22.4. ICMP and Network Diagnostics (Building Internet Firewalls)

Trojnara, Micha: 1.6.8. stunnel (SSH, The Secure Shell)

troubleshooting: 12.7. Troubleshooting nslookup Problems (DNS and Bind)

14. Troubleshooting DNS and BIND (DNS and Bind)

12. Troubleshooting and FAQ (SSH, The Secure Shell)

13.6. Checking Name Service (TCP/IP Network Administration)

basic ideas: 13.1.1. Troubleshooting Hints (TCP/IP Network Administration)

BIND 8/9 and: 14.4. Transition Problems (DNS and Bind)

books and resources: B.2.5. Troubleshooting (Network Troubleshooting Tools)

cache corruption: 13.6.3. Cache Corruption (TCP/IP Network Administration)

checking delegation: 9.6. Good Parenting (DNS and Bind)

connection closes after password prompt: 12.2.2.1. General authentication problems (SSH, The Secure Shell)

corrupted cache: 14.7.7. Can't Get Rid of Old Data (DNS and Bind)

data collection: 1. Network Management and Troubleshooting (Network Troubleshooting Tools)

debugging output and (see debugging)

diagnosing problems

breaking problems into pieces: 1.1. General Approaches to Troubleshooting (Network Troubleshooting Tools)
changes to systems: 1.1. General Approaches to Troubleshooting (Network Troubleshooting Tools)
data collection: 1. Network Management and Troubleshooting (Network Troubleshooting Tools)
general approaches: 1.1. General Approaches to Troubleshooting (Network Troubleshooting Tools)

dig debugging tool: 13.6.4. dig: An Alternative to nslookup (TCP/IP Network Administration)

dig utility: 12.9.1. dig's Output Format (DNS and Bind)

diskless clients: 8.6. Troubleshooting (Managing NFS and NIS)

documenting networks: 1.3.1. Documentation (Network Troubleshooting Tools)

documenting steps in: 11.1.1. Automating Documentation (Network Troubleshooting Tools)

effect on by setting ifconfig values: 6.1.3. Assigning an Address (TCP/IP Network Administration)

empty passwords refused: 12.2.2.2. Password authentication (SSH, The Secure Shell)

file locking: 11.3. Troubleshooting locking problems (Managing NFS and NIS)

firewall installation: 12.2.1.1. Firewall testing (Network Troubleshooting Tools)

installation: 12.2.1. Installation Testing (Network Troubleshooting Tools)

interoperability problems: 14.5. Interoperability and Version Problems (DNS and Bind)

logging telnet sessions: 11.1.1. Automating Documentation (Network Troubleshooting Tools)

management practices: 1.3. Troubleshooting and Management (Network Troubleshooting Tools)

name servers: 13.6. Checking Name Service (TCP/IP Network Administration)

cache corruption: 13.6.3. Cache Corruption (TCP/IP Network Administration)
slave servers: 13.6.2. The Data Is Here and the Server Can't Find It! (TCP/IP Network Administration)
spotty service: 13.6.1. Some Systems Work, Others Don't (TCP/IP Network Administration)

network access

arp command: 13.4.2. Troubleshooting with the arp Command (TCP/IP Network Administration)
ifconfig command: 13.4.1. Troubleshooting with the ifconfig Command (TCP/IP Network Administration)
netstat command: 13.4.3. Checking the Interface with netstat (TCP/IP Network Administration)

vs. network management: 6.1. Troubleshooting Versus Management (Network Troubleshooting Tools)

NFS client: B.2. NFS client problems (Managing NFS and NIS)

NFS server: B.1. NFS server problems (Managing NFS and NIS)

NIS problems: 14.1. Is NIS Really Your Problem? (DNS and Bind)

nslookup: 12.7. Troubleshooting nslookup Problems (DNS and Bind)

8.4. Using nslookup (TCP/IP Network Administration)

overview: 13.1. Approaching a Problem (TCP/IP Network Administration)

password authentication fails: 12.2.2.2. Password authentication (SSH, The Secure Shell)

ping command and: 13.3. Testing Basic Connectivity (TCP/IP Network Administration)

implementing: 13.3.1. The ping Command (TCP/IP Network Administration)

potential problems (list): 14.3. Potential Problem List (DNS and Bind)

preparing for problems: 1.2. Need for Troubleshooting Tools (Network Troubleshooting Tools)

preventing and handling disasters: 8.5. Planning for Disasters (DNS and Bind)

proactive nature of: 0. Preface (Network Troubleshooting Tools)

problem symptoms and: 14.7. Problem Symptoms (DNS and Bind)

protocols

ftp failure: 13.8. Protocol Case Study (TCP/IP Network Administration)
overview: 13.7. Analyzing Protocol Problems (TCP/IP Network Administration)
snoop: 13.7.1. Packet Filters (TCP/IP Network Administration)

recording command line sequences: 11.1.1. Automating Documentation (Network Troubleshooting Tools)

remote administrators, contacting: 13.5.2. Locating an Administrator (TCP/IP Network Administration)

RequiredAuthentications fails: 12.2.2.1. General authentication problems (SSH, The Secure Shell)

routing: 13.5. Checking Routing (TCP/IP Network Administration)

traceroute command: 13.5.1. Tracing Routes (TCP/IP Network Administration)

serial connections: 6.3.7. Troubleshooting Serial Connections (TCP/IP Network Administration)

SilentDeny: 12.2.2.1. General authentication problems (SSH, The Secure Shell)

slave servers: 13.6.2. The Data Is Here and the Server Can't Find It! (TCP/IP Network Administration)

spotty service: 13.6.1. Some Systems Work, Others Don't (TCP/IP Network Administration)

strategies

generic troubleshooting: 12.1. Generic Troubleshooting (Network Troubleshooting Tools)
task-specific strategies: 12.2. Task-Specific Troubleshooting (Network Troubleshooting Tools)

system configuration files: 2.2. System Configuration Files (Network Troubleshooting Tools)

tools (see tools)

A. Software Sources (Network Troubleshooting Tools)

tools and techniques for: 14.2. Troubleshooting Tools and Techniques (DNS and Bind)

TSIG errors: 14.6. TSIG Errors (DNS and Bind)

Tru64 Unix configuring resolvers for: 6.4.5. Compaq's Tru64 Unix and Digital Unix (DNS and Bind)

truncated packets: 12.3. Option Settings (DNS and Bind)

truncating packets: 5.4.2.1. Controlling program behavior (Network Troubleshooting Tools)

trunking: 13.2.1.3. Multiple interfaces (Managing NFS and NIS)

17.3.1. Switched networks (Managing NFS and NIS)

trust relationships: 2.2.1. Basic Configuration Files (Network Troubleshooting Tools)

2.2.5.2. Security files (Network Troubleshooting Tools)

TRUST_AUTH_MECH macro (sendmail): E.3. m4 sendmail Macros (TCP/IP Network Administration)

trusted host access, denying to specified hosts: 5.5.2.4. shosts access control (SSH, The Secure Shell)

trusted-host authentication: 5.5.1.4. Stronger trusted-host authentication (SSH, The Secure Shell)

batch and cron jobs: 11.1.3. Trusted-Host Authentication (SSH, The Secure Shell)

troubleshooting: 12.1.2. Server Debugging (SSH, The Secure Shell)

12.2.2.3. Trusted-host authentication (SSH, The Secure Shell)

trusted hosts: 12.2.5. Secure the r Commands (TCP/IP Network Administration)

client-to-client relationships: 12.1.1. Trusted hosts and trusted users (Managing NFS and NIS)
client-to-server relationships: 12.1.1. Trusted hosts and trusted users (Managing NFS and NIS)
server-to-client relationships: 12.1.1. Trusted hosts and trusted users (Managing NFS and NIS)
server-to-server relationships: 12.1.1. Trusted hosts and trusted users (Managing NFS and NIS)

Trusted Information Systems (see TIS)

0.10. Acknowledgments (SSH, The Secure Shell)

trusted-keys statement (named.conf file): C.2.3. The trusted-keys Statement (TCP/IP Network Administration)

trusted third parties: 3.5.1.3. Key/identity binding (SSH, The Secure Shell)

trusted users

client-to-client relationships: 12.1.1. Trusted hosts and trusted users (Managing NFS and NIS)
client-to-server relationships: 12.1.1. Trusted hosts and trusted users (Managing NFS and NIS)
server-to-client relationships: 12.1.1. Trusted hosts and trusted users (Managing NFS and NIS)
server-to-server relationships: 12.1.1. Trusted hosts and trusted users (Managing NFS and NIS)

trusted users command (sendmail): 10.5.5. Defining Trusted Users (TCP/IP Network Administration)

Trusted Users (generic-linux.cf section): 10.4.2. General sendmail.cf Structure (TCP/IP Network Administration)

trustedgateways parameter (gated): B.8.2. The rip Statement (TCP/IP Network Administration)

TRYAGAIN condition: 6.4.2. Sun's Solaris 2.x (DNS and Bind)

/tryflags command (sendmail): 10.8.1. Testing Rewrite Rules (TCP/IP Network Administration)

TS (Technical Specification) standards: 1.1.2. Protocol Standards (TCP/IP Network Administration)

TSIG record: 11.1.2. The TSIG Record (DNS and Bind)

TSIG-signed dynamic update: 10.2.4. TSIG-Signed Updates (DNS and Bind)

Windows2000 and: 16.8.3. Secure Dynamic Update (DNS and Bind)

TSIG (transaction signatures): 11.1. TSIG (DNS and Bind)

configuring: 11.1.3. Configuring TSIG (DNS and Bind)
troubleshooting: 14.6. TSIG Errors (DNS and Bind)
using: 11.1.4. Using TSIG (DNS and Bind)

ttcp load testing tool

generating loads with: 9.1.2. Load Generators (Network Troubleshooting Tools)
Microsoft Windows: 4.3. Microsoft Windows (Network Troubleshooting Tools)
source web site: A.4. Sources for Tools (Network Troubleshooting Tools)
uses: 4.2.3.1. ttcp (Network Troubleshooting Tools)

$TTL directive (zone files): 8.3.3.1. The $TTL directive (TCP/IP Network Administration)

C.3. Zone File Records (TCP/IP Network Administration)

TTL field: 3.3.2.2. Interpreting results (Network Troubleshooting Tools)

3.3.2.2. Interpreting results (Network Troubleshooting Tools)
4.1. Path Discovery with traceroute (Network Troubleshooting Tools)
9.1.1.1. hping (Network Troubleshooting Tools)

ttl field (resource records): C.3.1. Standard Resource Records (TCP/IP Network Administration)

ttl parameter

gated bgp statement: B.8.4. The bgp Statement (TCP/IP Network Administration)
gated egp statement: B.8.5. The egp Statement (TCP/IP Network Administration)

TTL (time to live): 2.7.1. Time to Live (DNS and Bind)

changing: 8.4. Changing TTLs (DNS and Bind)

configuring limits for: 10.12.4. TTLs (DNS and Bind)

default: 8.4. Changing TTLs (DNS and Bind)

8.4.1. Changing Other SOA Values (DNS and Bind)
BIND 8/9 and: 14.5.8. TTL Not Set (DNS and Bind)
setting for zones: 4.2.3. Setting the Zone's Default TTL (DNS and Bind)

lame: 10.12.4. TTLs (DNS and Bind)

minimum: 8.4.1. Changing Other SOA Values (DNS and Bind)

negative caching TTL value: 4.8.3. SOA Values (DNS and Bind)

root hints data and: 4.2.10. The Root Hints Data (DNS and Bind)

round robin load distribution and: 10.7. Round Robin Load Distribution (DNS and Bind)

ttl value (DNS resource records): 8.3.2. Standard Resource Records (TCP/IP Network Administration)

TTSSH: 13.3. Table of Products (SSH, The Secure Shell)

ttssh ssh extensions: 11.5. Microsoft Windows (Network Troubleshooting Tools)

A.4. Sources for Tools (Network Troubleshooting Tools)

tty

interactive vs. noninteractive connections: 8.2.9. Disabling TTY Allocation (SSH, The Secure Shell)
SSH_TTY: 8.2.9. Disabling TTY Allocation (SSH, The Secure Shell)

tty allocation: 7.4.5.5. Pseudo-terminal allocation (TTY/PTY/PTTY) (SSH, The Secure Shell)

disabling: 8.2.9. Disabling TTY Allocation (SSH, The Secure Shell)

TUI (Text User Interface): 7.3.7. APC Symetra (Essential SNMP)

tunable parameters: C. Tunable Parameters (Managing NFS and NIS)

tuning networks: 8.1. What, When, and Where (Network Troubleshooting Tools)

tunnel: 0.10. Acknowledgments (SSH, The Secure Shell)

1.4.6. Port Forwarding (SSH, The Secure Shell)
3.1.5. Forwarding ( Tunneling) (SSH, The Secure Shell)
creating: 9.2.1. Local Forwarding (SSH, The Secure Shell)

tunneling

HTTP: 15.3.1. HTTP Tunneling (Building Internet Firewalls)
multicast: 19.6. Multicast and the Multicast Backbone (MBONE) (Building Internet Firewalls)
SSH, of X Window System: 18.3.1. X11 Window System (Building Internet Firewalls)

tunneling option (Linux kernel configuration): 5.1.3. Linux Kernel Configuration (TCP/IP Network Administration)

turnkey network systems: 1.2. Need for Troubleshooting Tools (Network Troubleshooting Tools)

twisted pair cable: 3.2. Testing Adapters (Network Troubleshooting Tools)

Twofish algorithm: 3.9.2.6. Twofish (SSH, The Secure Shell)

TXT records: 7.2.4.1. General text information (DNS and Bind)

A.1.2. Types (DNS and Bind)
20.1.4.5. Revealing too much information to attackers (Building Internet Firewalls)
C.3.1.8. Text record (TCP/IP Network Administration)
query statistics for: 7.6.2.1. BIND 4.9 and 8 statistics (DNS and Bind)
secure_zone records and: 11.2.2.2. Restricting queries in a particular zone (DNS and Bind)

type field

inet.conf file: 5.3. The Internet Daemon (TCP/IP Network Administration)
resource records: C.3.1. Standard Resource Records (TCP/IP Network Administration)

Type field (sendmail): 10.5.8. Defining Mailers (TCP/IP Network Administration)

Type registry key: 12.4.1.1. Registry keys (Building Internet Firewalls)

type value (DNS resource records): 8.3.2. Standard Resource Records (TCP/IP Network Administration)

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