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Index: L

L flag (Linux routing table): 2.4. The Routing Table

label field (inittab file): 5.2.1.1. Understanding /etc/inittab

lame-ttl option (named): C.2.5. The options Statement

LanguagePriority directive (httpd.conf file): 11.3.6. Defining File Types

laptop computers, as troubleshooting tool: 13.2. Diagnostic Tools

last command, security and: 12.4.2.2. Checking login activity

layers

OSI Model: 1.2. A Data Communications Model

TCP/IP models: 1.3. TCP/IP Protocol Architecture

lcladdr parameter

gated bgp statement: B.8.4. The bgp Statement

gated egp statement: B.8.5. The egp Statement

lcp-echo-failure option (pppd): A.2. The PPP Daemon

lcp-echo-interval option (pppd): A.2. The PPP Daemon

LCP (Link Control Protocol): 6.2.1. The Serial Protocols

lcp-max-configure option (pppd): A.2. The PPP Daemon

lcp-max-failure option (pppd): A.2. The PPP Daemon

lcp-max-terminate option (pppd): A.2. The PPP Daemon

lcp-restart option (pppd): A.2. The PPP Daemon

ldap (sendmail K command value): E.4.5. The sendmail K Command

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

LDAPROUTE_DOMAIN_FILEmacro (sendmail): E.3. m4 sendmail Macros

leases, DHCP: 3.6.2. Dynamic Host Configuration Protocol

level parameter (gated): B.8.3. The isis Statement

lib/modules directory: 5.1.1. Using Dynamically Loadable Modules

lifetime parameter (gated): B.8.9. The routerdiscovery Statement

limited broadcast addresses: 3.6.2.1. How DHCP works

limited use protocols: 1.1.2. Protocol Standards

Line Printer (LP), configuring: 9.2.2. Line Printer Service

Linelimit field (sendmail): 10.5.8. Defining Mailers

Link Control Protocol (LCP): 6.2.1. The Serial Protocols

Link-State Advertisement (LSA): 7.4.3. Open Shortest Path First

link-state database (OSPF): 7.4.3. Open Shortest Path First

link-state protocols: 7.4.3. Open Shortest Path First

linkname option (pppd): A.2. The PPP Daemon

Linux

broadcast addresses, setting: 6.1.5. Setting the Broadcast Address

commands

depmod: 5.1.1. Using Dynamically Loadable Modules

dmesg: 6.1.1. The Interface Name

insmod: 5.1.1. Using Dynamically Loadable Modules

lsmod: 5.1.1. Using Dynamically Loadable Modules

modprob: 5.1.1. Using Dynamically Loadable Modules

rmmod: 5.1.1. Using Dynamically Loadable Modules

domain names: 9.1.2.2. The /etc/exports file

Ethernet promiscuous mode, enabling and disabling: 6.1.6.3. Promiscuous mode

filesystem type, specifying: 9.1.3.1. The mount command

fstab files: 9.1.3.2. The vfstab and fstab files

ifcfg-eth0 file: 6.1.4. Assigning a Subnet Mask

interface configuration files: 6.1.3. Assigning an Address

kernel configuration: 5.1. Kernel Configuration

5.1.3. Linux Kernel Configuration

Ethernet: 5.1.3. Linux Kernel Configuration

help: 5.1.3. Linux Kernel Configuration

options: 5.1.3. Linux Kernel Configuration

loadable modules: 5.1.1. Using Dynamically Loadable Modules

minicom: 6.3.7. Troubleshooting Serial Connections

mount options: 9.1.3.2. The vfstab and fstab files

named.conf file, caching-only servers: 8.3.1.1. A caching-only server configuration

netstat -in command output: 6.1.1. The Interface Name

network interfaces, checking status: 6.1.2. Checking the Interface with ifconfig

NFS, exports file: 9.1.2.2. The /etc/exports file

NIS domains: 9.4. Network Information Service

NIS server, initializing: 9.4. Network Information Service

point-to-point connections, defining: 6.1.6.6. Point-to-point

printcap configuration tool: 9.2.1.1. The printcap file

rc.local script: 5.2.1.1. Understanding /etc/inittab

rc.sysinit script: 5.2.1.1. Understanding /etc/inittab

routing cache, examining: 2.4. The Routing Table

routing metric, changing: 6.1.6.4. Metric

routing tables: 2.4. The Routing Table

adding routes: 7.3.1. Adding Static Routes

runlevels: 5.2.1. Startup Runlevels

sendmail startup script: 10.2. Running sendmail as a Daemon

serial ports, troubleshooting: 6.3.7. Troubleshooting Serial Connections

smb.config file, location: 9.3.1. Configuring a Samba Server

static routing, adding to startup scripts: 7.3.1.1. Installing static routes at startup

listen-on option (named): C.2.5. The options Statement

Listen option (multi-homed servers): 11.3.10. Multi-Homed Server Options

load printers parameter (smb.config file): 9.3.1. Configuring a Samba Server

LoadModule directive (httpd.conf file): 11.3.1. Loading Dynamic Shared Objects

Local Information (generic-linux.cf section): 10.4.2. General sendmail.cf Structure

Local Internet Registry (organizational type): 4.2.1.1. Obtaining an official network address

LOCAL keyword (security): 12.5.1.1. tcpd access control files

local mailer: 10.5.8. Defining Mailers

local option (pppd): A.2. The PPP Daemon

localas parameter

gated bgp statement: B.8.4. The bgp Statement

gated egp statement: B.8.5. The egp Statement

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

LOCALDOMAIN environment variable: 8.2.1. The Resolver Configuration File

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

localhost, converting from loopback address: 8.3.5. The named.local File

localhost file: 8.3. Configuring named

local_IP_address\:remote_IP_address option (pppd): A.2. The PPP Daemon

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

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

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

LOCAL_USER

m4 sendmail macro: E.3. m4 sendmail Macros

sendmail macro: E.3.4. DOMAIN

Location directive (httpd.conf file): 11.3.4. Defining Where Things Are Stored

lock option (pppd command): 6.3.4. PPP Daemon Security

A.2. The PPP Daemon

lockd command (NFS): 9.1.1. NFS Daemons

log file parameter (smb.config file): 9.3.1. Configuring a Samba Server

log files

Apache, conditional logging: 11.3.8.2. Using conditional logging

Apache directives: 11.3.8.1. Defining the log file format

monitoring: 12.4.1. Know Your System

sendmail: E.2. The sendmail Command

share command: 9.1.2.1. The share command

xinetd: 12.5.2. Controlling Access with xinetd

log option (share command): 9.1.2.1. The share command

logfd option (pppd): A.2. The PPP Daemon

logfile option (pppd): A.2. The PPP Daemon

LogFormat directive (Apache): 11.3.8.1. Defining the log file format

logging statement (named command): C.2.6. The logging Statement

loghost (Solaris hostname): 3.2. The Host Table

login activity, security considerations: 12.4.2.2. Checking login activity

login option (pppd): A.2. The PPP Daemon

login scripts, PPP servers, configuring: 6.3.5. PPP Server Configuration

LOGOUT command (IMAP): 3.4.3. Internet Message Access Protocol

logupdown parameter (gated): B.8.4. The bgp Statement

loopback addresses: 2.2. The IP Address

converting to localhost: 8.3.5. The named.local File

localhost: 3.2. The Host Table

named.conf file: 8.3.1.1. A caching-only server configuration

routing tables: 7.2. The Minimal Routing Table

loopback interface (Solaris), configuring: 6.1.1. The Interface Name

loopback route: 2.4. The Routing Table

lp files: 9.2.2. Line Printer Service

lpadmin command: 9.2.2. Line Printer Service

lpd: 9.2.1. Line Printer Daemon

printcap file: 9.2.1.1. The printcap file

lpq command: 9.2.1.2. Using LPD

lpr command: 3.5.2. Print Services

9.2.1.2. Using LPD

lprm command: 9.2.1.2. Using LPD

lpsystem command: 9.2.2. Line Printer Service

lp/Systems file: 9.2.2. Line Printer Service

LSA (Link-State Advertisement): 7.4.3. Open Shortest Path First

lsmod command (Linux): 5.1.1. Using Dynamically Loadable Modules

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