T
- T command (sendmail), Defining Trusted Users
- tag parameter (gated), Aggregate Statements
- task (gated), Trace Statements
- TCP (Transmission Control Protocol), Transmission Control Protocol
- TCP Explicit Congestion Notification support
option (Linux kernel configuration), Linux Kernel Configuration
- tcp option (fstab file), The vfstab and fstab files
- TCP segment header, TCP Segment Header
- TCP syncookie support option (Linux kernel
configuration), Linux Kernel Configuration
- tcp-clients (named), The BIND 9 options statement
- TCP/IP, Overview of TCP/IP, TCP/IP and the Internet, TCP/IP Features, TCP/IP Features, TCP/IP Protocol Architecture–TCP/IP Protocol Architecture, TCP/IP Over a Serial Line
- architecture, TCP/IP Protocol Architecture–TCP/IP Protocol Architecture
- defined, Overview of TCP/IP
- hardware independence, TCP/IP Features
- history, TCP/IP and the Internet
- need for, TCP/IP Features
- serial lines, overview, TCP/IP Over a Serial Line
- TCP/IP networking option (Linux kernel
configuration), Linux Kernel Configuration
- tcpd (security), tcpd access control files–tcpd access control files
- tcpproto.mc file, Building a sendmail.cf with m4 macros
- tech-c field (RIPE database), Obtaining an IN-ADDR.ARPA domain
- Technical Specification (TS) standards, Protocol Standards
- telnet, Application Layer, Sockets
- TempFileMode option (sendmail), Setting Options
- termination code (chat), chat
- terminfo file, Line Printer Service
- terminology, OSI model, A Data Communications Model–A Data Communications Model
- test commands (sendmail), Testing Rewrite Rules
- test mode (dip), Dial-Up PPP
- testing, Internet Message Access Protocol, chat, Adding Static Routes, Network Information Service, Testing sendmail.cf–Testing sendmail.cf, Testing Rewrite Rules–Testing Rewrite Rules, The sendmail Command, The sendmail Command
- chat scripts, chat
- IMAP servers, Internet Message Access Protocol
- NIS servers, Network Information Service
- routing tables, Adding Static Routes
- sendmail address rewrite rules, The sendmail Command
- sendmail configuration, The sendmail Command
- sendmail.cf file, Testing sendmail.cf–Testing sendmail.cf, Testing Rewrite Rules–Testing Rewrite Rules
- rewrite rules, Testing Rewrite Rules–Testing Rewrite Rules
- text, Multipurpose Internet Mail Extensions, The sendmail K Command
- MIME data content type, Multipurpose Internet Mail Extensions
- sendmail K command value, The sendmail K Command
- threat assessment (security), types of threat, Assessing the Threat
- three-way handshake, Transmission Control Protocol
- tier-one providers, TCP/IP and the Internet
- timeo= option (vfstab file), The vfstab and fstab files
- timeout command (dip), The dip Script File
- Timeout directive (Apache), Performance Tuning Directives
- TIMEOUT keyword (chat), chat
- timeout option (resolv.conf file), The Resolver Configuration File
- timeout values, sendmail, sendmail Options
- timeout, Solaris PPP, Solaris PPP
- Timeout.queuereturn option (sendmail), Setting Options
- timer (gated), Trace Statements
- tkey-dhkey (named), The BIND 9 options statement
- tkey-domain (named), The BIND 9 options statement
- top-level domains (DNS), The Domain Hierarchy
- topology, Addressing, Routing, and Multiplexing
- topology option (named), The options Statement
- topology statements (dhcpd), Topology Statements
- traceoptions parameter, The ospf Statement, The rip Statement, The isis Statement, The smux Statement
- gated isis statement, The isis Statement
- gated ospf statement, The ospf Statement
- gated rip statement, The rip Statement
- gated smux statement, The smux Statement
- traceroute command, Diagnostic Tools, Tracing Routes
- diagnostic troubleshooting, Diagnostic Tools
- trace_file (gated), Trace Statements
- trace_options (gated), Trace Statements
- tracing protocols, gated, The gated Command
- transfer-format option (named), The options Statement
- transfer-source option (named), The options Statement
- transfers-in option (named), The options Statement
- transfers-out option (named), The options Statement
- transfers-per-ns option (named), The options Statement
- transformation field (sendmail rewrite rules), Transforming the Address–Transforming the Address
- transformation metasymbols (sendmail), Transforming the Address
- transforming addresses, sendmail, Transforming the Address–Transforming the Address, Transforming with a database, Using Key Files in sendmail
- creating databases, Using Key Files in sendmail
- databases, Transforming with a database
- translation, IP addresses, Address Resolution
- Transmission Control Protocol (TCP), Transmission Control Protocol
- Transport Layer, A Data Communications Model, Transport Layer, User Datagram Protocol, Transmission Control Protocol
- TCP, Transmission Control Protocol
- UDP, User Datagram Protocol
- Transport Layer (OSI Model), A Data Communications Model
- treat-cr-as-space option (named), The options Statement
- triggered updates (routing), Running RIP with routed
- Tripwire (automated system monitoring), Automated Monitoring
- troubleshooting, Assigning an Address, Troubleshooting Serial Connections–Troubleshooting Serial Connections, Using nslookup–Using nslookup, Approaching a Problem, Troubleshooting Hints, Diagnostic Tools, Testing Basic Connectivity, The ping Command, Troubleshooting with the ifconfig Command, Troubleshooting with the arp Command–ARP problem case study, Checking the Interface with netstat, Checking Routing, Tracing Routes, Locating an Administrator, Checking Name Service, Checking Name Service, Some Systems Work, Others Don’t, Some Systems Work, Others Don’t, The Data Is Here and the Server Can’t Find It!, The Data Is Here and the Server Can’t Find It!, Cache Corruption, Cache Corruption, dig: An Alternative to nslookup–dig: An Alternative to nslookup, Analyzing Protocol Problems, Packet Filters, Protocol Case Study–Protocol Case Study
- basic ideas, Troubleshooting Hints
- cache corruption, Cache Corruption
- dig debugging tool, dig: An Alternative to nslookup–dig: An Alternative to nslookup
- effect on by setting ifconfig values, Assigning an Address
- name servers, Checking Name Service, Some Systems Work, Others Don’t, The Data Is Here and the Server Can’t Find It!, Cache Corruption
- cache corruption, Cache Corruption
- slave servers, The Data Is Here and the Server Can’t Find It!
- spotty service, Some Systems Work, Others Don’t
- network access, Troubleshooting with the ifconfig Command, Troubleshooting with the arp Command–ARP problem case study, Checking the Interface with netstat
- arp command, Troubleshooting with the arp Command–ARP problem case study
- ifconfig command, Troubleshooting with the ifconfig Command
- netstat command, Checking the Interface with netstat
- nslookup tool, Using nslookup–Using nslookup
- overview, Approaching a Problem
- ping command and, Testing Basic Connectivity, The ping Command
- implementing, The ping Command
- protocols, Analyzing Protocol Problems, Packet Filters, Protocol Case Study–Protocol Case Study
- ftp failure, Protocol Case Study–Protocol Case Study
- overview, Analyzing Protocol Problems
- snoop, Packet Filters
- remote administrators, contacting, Locating an Administrator
- routing, Checking Routing, Tracing Routes
- traceroute command, Tracing Routes
- serial connections, Troubleshooting Serial Connections–Troubleshooting Serial Connections
- slave servers, The Data Is Here and the Server Can’t Find It!
- spotty service, Some Systems Work, Others Don’t
- tools, Diagnostic Tools
- trusted hosts, Secure the r Commands
- Trusted Users (generic-linux.cf section), General sendmail.cf Structure
- trusted users command (sendmail), Defining Trusted Users
- trusted-keys statement (named.conf file), The trusted-keys Statement
- trustedgateways parameter (gated), The rip Statement
- TRUST_AUTH_MECH macro (sendmail), m4 sendmail Macros
- TS (Technical Specification) standards, Protocol Standards
- ttl field (resource records), Standard Resource Records
- ttl parameter, The bgp Statement, The egp Statement
- gated bgp statement, The bgp Statement
- gated egp statement, The egp Statement
- ttl value (DNS resource records), Standard Resource Records
- tunneling option (Linux kernel
configuration), Linux Kernel Configuration
- TXT records, Text record
- type field, The Internet Daemon, Standard Resource Records
- inet.conf file, The Internet Daemon
- resource records, Standard Resource Records
- Type field (sendmail), Defining Mailers
- type value (DNS resource records), Standard Resource Records