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Index: L

• L flag (Linux routing table): The Routing Table
• label field (inittab file): Understanding /etc/inittab
• lame-ttl option (named): The options Statement
• LanguagePriority directive (httpd.conf file): Defining File Types
• laptop computers, as troubleshooting tool: Diagnostic Tools
• last command, security and: Checking login activity
• layers
• • OSI Model: Data Communications Model
  • TCP/IP models: TCP/IP Protocol Architecture
• lcladdr parameter
• • gated bgp statement: The bgp Statement
  • gated egp statement: The egp Statement
• lcp-echo-failure option (pppd): The PPP Daemon
• lcp-echo-interval option (pppd): The PPP Daemon
• LCP (Link Control Protocol): The Serial Protocols
• lcp-max-configure option (pppd): The PPP Daemon
• lcp-max-failure option (pppd): The PPP Daemon
• lcp-max-terminate option (pppd): The PPP Daemon
• lcp-restart option (pppd): The PPP Daemon
• ldap (sendmail K command value): The sendmail K Command
• LDAPROUTE_DOMAIN macro (sendmail): sendmail Macros
• LDAPROUTE_DOMAIN_FILEmacro (sendmail): sendmail Macros
• leases, DHCP: Dynamic Host Configuration Protocol
• level parameter (gated): The isis Statement
• lib/modules directory: Using Dynamically Loadable Modules
• lifetime parameter (gated): The routerdiscovery Statement
• limited broadcast addresses: How DHCP works
• limited use protocols: Protocol Standards
• Line Printer (LP), configuring: Line Printer Service
• Linelimit field (sendmail): Defining Mailers
• Link Control Protocol (LCP): The Serial Protocols
• Link-State Advertisement (LSA): Open Shortest Path First
• link-state database (OSPF): Open Shortest Path First
• link-state protocols: Open Shortest Path First
• linkname option (pppd): The PPP Daemon
• Linux
• • broadcast addresses, setting: Setting the Broadcast Address
  • commands
  • • depmod: Using Dynamically Loadable Modules
    • dmesg: The Interface Name
    • insmod: Using Dynamically Loadable Modules
    • lsmod: Using Dynamically Loadable Modules
    • modprob: Using Dynamically Loadable Modules
    • rmmod: Using Dynamically Loadable Modules
  • domain names: The /etc/exports file
  • Ethernet promiscuous mode, enabling and disabling: Promiscuous mode
  • filesystem type, specifying: The mount command
  • fstab files: The vfstab and fstab files
  • ifcfg-eth0 file: Assigning a Subnet Mask
  • interface configuration files: Assigning an Address
  • kernel configuration: Kernel Configuration
  • • Linux Kernel Configuration
    • Ethernet: Linux Kernel Configuration
    • help: Linux Kernel Configuration
    • options: Linux Kernel Configuration
  • loadable modules: Using Dynamically Loadable Modules
  • minicom: Troubleshooting Serial Connections
  • mount options: The vfstab and fstab files
  • named.conf file, caching-only servers: caching-only server configuration
  • netstat -in command output: The Interface Name
  • network interfaces, checking status: Checking the Interface with ifconfig
  • NFS, exports file: The /etc/exports file
  • NIS domains: Network Information Service
  • NIS server, initializing: Network Information Service
  • point-to-point connections, defining: Point-to-point
  • printcap configuration tool: The printcap file
  • rc.local script: Understanding /etc/inittab
  • rc.sysinit script: Understanding /etc/inittab
  • routing cache, examining: The Routing Table
  • routing metric, changing: Metric
  • routing tables: The Routing Table
  • • adding routes: Adding Static Routes
  • runlevels: Startup Runlevels
  • sendmail startup script: Running sendmail as a Daemon
  • serial ports, troubleshooting: Troubleshooting Serial Connections
  • smb.config file, location: Configuring a Samba Server
  • static routing, adding to startup scripts: Installing static routes at startup
• listen-on option (named): The options Statement
• Listen option (multi-homed servers): Multi-Homed Server Options
• load printers parameter (smb.config file): Configuring a Samba Server
• LoadModule directive (httpd.conf file): Loading Dynamic Shared Objects
• Local Information (generic-linux.cf section): General sendmail.cf Structure
• Local Internet Registry (organizational type): Obtaining an official network address
• LOCAL keyword (security): tcpd access control files
• local mailer: Defining Mailers
• local option (pppd): The PPP Daemon
• localas parameter
• • gated bgp statement: The bgp Statement
  • gated egp statement: The egp Statement
• LOCAL_CONFIG macro (sendmail): sendmail Macros
• LOCALDOMAIN environment variable: The Resolver Configuration File
• LOCAL_DOMAIN macro (sendmail): sendmail Macros
• localhost, converting from loopback address: The named.local File
• localhost file: Configuring named
• local_IP_address\:remote_IP_address option (pppd): The PPP Daemon
• LOCAL_NET_CONFIG macro (sendmail): sendmail Macros
• LOCAL_RULE_n macro (sendmail): sendmail Macros
• LOCAL_RULESETS macro (sendmail): sendmail Macros
• LOCAL_USER
• • m4 sendmail macro: sendmail Macros
  • sendmail macro: DOMAIN
• Location directive (httpd.conf file): Defining Where Things Are Stored
• lock option (pppd command): PPP Daemon Security
• • The PPP Daemon
• lockd command (NFS): NFS Daemons
• log file parameter (smb.config file): Configuring a Samba Server
• log files
• • Apache, conditional logging: Using conditional logging
  • Apache directives: Defining the log file format
  • monitoring: Know Your System
  • sendmail: The sendmail Command
  • share command: The share command
  • xinetd: Controlling Access with xinetd
• log option (share command): The share command
• logfd option (pppd): The PPP Daemon
• logfile option (pppd): The PPP Daemon
• LogFormat directive (Apache): Defining the log file format
• logging statement (named command): The logging Statement
• loghost (Solaris hostname): The Host Table
• login activity, security considerations: Checking login activity
• login option (pppd): The PPP Daemon
• login scripts, PPP servers, configuring: PPP Server Configuration
• LOGOUT command (IMAP): Internet Message Access Protocol
• logupdown parameter (gated): The bgp Statement
• loopback addresses: The IP Address
• • converting to localhost: The named.local File
  • localhost: The Host Table
  • named.conf file: caching-only server configuration
  • routing tables: The Minimal Routing Table
• loopback interface (Solaris), configuring: The Interface Name
• loopback route: The Routing Table
• lp files: Line Printer Service
• lpadmin command: Line Printer Service
• lpd: Line Printer Daemon
• • printcap file: The printcap file
• lpq command: Using LPD
• lpr command: Print Services
• • Using LPD
• lprm command: Using LPD
• lpsystem command: Line Printer Service
• lp/Systems file: Line Printer Service
• LSA (Link-State Advertisement): Open Shortest Path First
• lsmod command (Linux): Using Dynamically Loadable Modules

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