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Index: T

T command (sendmail): 10.5.5. Defining Trusted Users

tag parameter (gated): B.11. Aggregate Statements

task (gated): B.4. Trace Statements

tcp-clients (named): C.2.5.1. The BIND 9 options statement

TCP Explicit Congestion Notification support option (Linux kernel configuration): 5.1.3. Linux Kernel Configuration

tcp option (fstab file): 9.1.3.2. The vfstab and fstab files

TCP segment header: Appendix g.2. TCP Segment Header

TCP syncookie support option (Linux kernel configuration): 5.1.3. Linux Kernel Configuration

TCP (Transmission Control Protocol): 1.6.2. Transmission Control Protocol

tcpd (security): 12.5.1.1. tcpd access control files

TCP/IP

architecture: 1.3. TCP/IP Protocol Architecture
defined: 1. Overview of TCP/IP
hardware independence: 1.1.1. TCP/IP Features
history: 1.1. TCP/IP and the Internet
need for: 1.1.1. TCP/IP Features
serial lines, overview: 6.2. TCP/IP Over a Serial Line

TCP/IP networking option (Linux kernel configuration): 5.1.3. Linux Kernel Configuration

tcpproto.mc file: 10.4.1.1. Building a sendmail.cf with m4 macros

tech-c field (RIPE database): 4.2.1.2. Obtaining an IN-ADDR.ARPA domain

Technical Specification (TS) standards: 1.1.2. Protocol Standards

telnet: 1.7. Application Layer

2.6.3. Sockets

TempFileMode option (sendmail): 10.5.4. Setting Options

termination code (chat): A.3. chat

terminfo file: 9.2.2. Line Printer Service

terminology, OSI model: 1.2. A Data Communications Model

test commands (sendmail): 10.8.1. Testing Rewrite Rules

test mode (dip): 6.3.2. Dial-Up PPP

testing

chat scripts: 6.3.3. chat

IMAP servers: 3.4.3. Internet Message Access Protocol

NIS servers: 9.4. Network Information Service

routing tables: 7.3.1. Adding Static Routes

sendmail address rewrite rules: E.2. The sendmail Command

sendmail configuration: E.2. The sendmail Command

sendmail.cf file: 10.8. Testing sendmail.cf

rewrite rules: 10.8.1. Testing Rewrite Rules

text

MIME data content type: 3.4.4. Multipurpose Internet Mail Extensions
sendmail K command value: E.4.5. The sendmail K Command

threat assessment (security), types of threat: 12.1.1. Assessing the Threat

three-way handshake: 1.6.2. Transmission Control Protocol

tier-one providers: 1.1. TCP/IP and the Internet

timeo= option (vfstab file): 9.1.3.2. The vfstab and fstab files

timeout command (dip): A.1.1. The dip Script File

Timeout directive (Apache): 11.3.7. Performance Tuning Directives

TIMEOUT keyword (chat): A.3. chat

timeout option (resolv.conf file): 8.2.1. The Resolver Configuration File

timeout, Solaris PPP: 6.3.6. Solaris PPP

timeout values, sendmail: E.4.3. sendmail Options

Timeout.queuereturn option (sendmail): 10.5.4. Setting Options

timer (gated): B.4. Trace Statements

tkey-dhkey (named): C.2.5.1. The BIND 9 options statement

tkey-domain (named): C.2.5.1. The BIND 9 options statement

top-level domains (DNS): 3.3.1. The Domain Hierarchy

topology: 2.1. Addressing, Routing, and Multiplexing

topology option (named): C.2.5. The options Statement

topology statements (dhcpd): D.3.1. Topology Statements

trace_file (gated): B.4. Trace Statements

trace_options (gated): B.4. Trace Statements

traceoptions parameter

gated isis statement: B.8.3. The isis Statement
gated ospf statement: B.8.1. The ospf Statement
gated rip statement: B.8.2. The rip Statement
gated smux statement: B.8.6. The smux Statement

traceroute command: 13.5.1. Tracing Routes

diagnostic troubleshooting: 13.2. Diagnostic Tools

tracing protocols, gated: B.1. The gated Command

transfer-format option (named): C.2.5. The options Statement

transfer-source option (named): C.2.5. The options Statement

transfers-in option (named): C.2.5. The options Statement

transfers-out option (named): C.2.5. The options Statement

transfers-per-ns option (named): C.2.5. The options Statement

transformation field (sendmail rewrite rules): 10.6.2. Transforming the Address

transformation metasymbols (sendmail): 10.6.2. Transforming the Address

transforming addresses, sendmail: 10.6.2. Transforming the Address

creating databases: 10.8.2. Using Key Files in sendmail
databases: 10.6.2.1. Transforming with a database

translation, IP addresses: 2.5. Address Resolution

Transmission Control Protocol (TCP): 1.6.2. Transmission Control Protocol

Transport Layer: 1.2. A Data Communications Model

1.6. Transport Layer
TCP: 1.6.2. Transmission Control Protocol
UDP: 1.6.1. User Datagram Protocol

Transport Layer (OSI Model): 1.2. A Data Communications Model

treat-cr-as-space option (named): C.2.5. The options Statement

triggered updates (routing): 7.4.1.1. Running RIP with routed

Tripwire (automated system monitoring): 12.4.3. Automated Monitoring

troubleshooting: 13.6. Checking Name Service

basic ideas: 13.1.1. Troubleshooting Hints

cache corruption: 13.6.3. Cache Corruption

dig debugging tool: 13.6.4. dig: An Alternative to nslookup

effect on by setting ifconfig values: 6.1.3. Assigning an Address

name servers: 13.6. Checking Name Service

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

network access

arp command: 13.4.2. Troubleshooting with the arp Command
ifconfig command: 13.4.1. Troubleshooting with the ifconfig Command
netstat command: 13.4.3. Checking the Interface with netstat

nslookup tool: 8.4. Using nslookup

overview: 13.1. Approaching a Problem

ping command and: 13.3. Testing Basic Connectivity

implementing: 13.3.1. The ping Command

protocols

ftp failure: 13.8. Protocol Case Study
overview: 13.7. Analyzing Protocol Problems
snoop: 13.7.1. Packet Filters

remote administrators, contacting: 13.5.2. Locating an Administrator

routing: 13.5. Checking Routing

traceroute command: 13.5.1. Tracing Routes

serial connections: 6.3.7. Troubleshooting Serial Connections

slave servers: 13.6.2. The Data Is Here and the Server Can't Find It!

spotty service: 13.6.1. Some Systems Work, Others Don't

tools: 13.2. Diagnostic Tools

TRUST_AUTH_MECH macro (sendmail): E.3. m4 sendmail Macros

trusted hosts: 12.2.5. Secure the r Commands

trusted-keys statement (named.conf file): C.2.3. The trusted-keys Statement

trusted users command (sendmail): 10.5.5. Defining Trusted Users

Trusted Users (generic-linux.cf section): 10.4.2. General sendmail.cf Structure

trustedgateways parameter (gated): B.8.2. The rip Statement

TS (Technical Specification) standards: 1.1.2. Protocol Standards

ttl field (resource records): C.3.1. Standard Resource Records

ttl parameter

gated bgp statement: B.8.4. The bgp Statement
gated egp statement: B.8.5. The egp Statement

ttl value (DNS resource records): 8.3.2. Standard Resource Records

tunneling option (Linux kernel configuration): 5.1.3. Linux Kernel Configuration

TXT records: C.3.1.8. Text record

type field

inet.conf file: 5.3. The Internet Daemon
resource records: C.3.1. Standard Resource Records

Type field (sendmail): 10.5.8. Defining Mailers

type value (DNS resource records): 8.3.2. Standard Resource Records

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