Table of Contents for

TCP/IP Network Administration, 3rd Edition

S

S command (sendmail), The Set Ruleset Command

SAINT (automated system monitoring), Automated Monitoring

Samba, Print Services, Using Samba to Share Resources with Windows, Using Samba to Share Resources with Windows, Configuring a Samba Server–The smb.conf homes section, Configuring a Samba Server, Sharing directories through Samba, Sharing printers through Samba–Sharing printers through Samba, NetBIOS Name Service

daemon, Using Samba to Share Resources with Windows

directory sharing, Sharing directories through Samba

name servers, NetBIOS Name Service

overview, Using Samba to Share Resources with Windows

passwords, Configuring a Samba Server

printer sharing, Print Services, Sharing printers through Samba–Sharing printers through Samba

server, configuring, Configuring a Samba Server–The smb.conf homes section

SANS (System Administration, Networking and Security) Institute web site, Use the network to distribute information

SARA (automated system monitoring), Automated Monitoring

SAY command (chat), chat

scalability, Internet Routing Architecture, The Host Table, DNS, Obtaining an IP Address

address translation compared to proxy servers, Obtaining an IP Address

DNS, DNS

gateway hierarchy, Internet Routing Architecture

host tables, The Host Table

scaninterval (gated), Interface Statements

ScoreBoardFile directives (httpd.conf file), Defining Where Things Are Stored

scp (secure copy), Secure Shell

screened subnet firewall architecture, Firewalls

ScriptAlias directive (httpd.conf file), Defining Where Things Are Stored

scripts, system initialization, Understanding /etc/inittab

search entry (resolv.conf file), The Resolver Configuration File

sec= option (vfstab file), The vfstab and fstab files

sec=type option (share command), The share command

secondary servers, BIND, Resolvers, and named

secret field (chap-secrets file), PPP Daemon Security

secring.gpg file, Public-Key Encryption Tools

secure servers, bastion hosts, Firewalls

security, Connected and Non-Connected Networks, Connected and Non-Connected Networks, Obtaining an IP Address, Obtaining an IP Address, Obtaining an IP Address, The PPP Daemon, PPP Daemon Security–PPP Daemon Security, The share command, Configuring a Samba Server, Web Server Security, The CGI and SSI Threat, The CGI and SSI Threat, Security Planning, Assessing the Threat, Distributed Control, Use subnets to distribute control, Use the network to distribute information, Use the network to distribute information, Writing a Security Policy, User Authentication, The Shadow Password File–The Shadow Password File, Choosing a Password, One-Time Passwords, OPIE–OPIE, Secure the r Commands–Secure the r Commands, Secure the r Commands, Secure Shell–Secure Shell, Secure Shell, Secure Shell, Remove Unnecessary Software, Keep Software Updated, Know Your System, Looking for Trouble, Checking files, Checking login activity, Access Control, tcpd access control files–tcpd access control files, Defining an optional shell command, Optional access control language extensions, Encryption, Encryption, When Is Symmetric Encryption Useful?, Public-Key Encryption Tools–Public-Key Encryption Tools, stunnel–stunnel, Firewalls–Firewalls, Functions of the Firewall, Filtering Traffic with iptables, Defining iptables filter rules, Words to the Wise, chat, chat

access control, Access Control, tcpd access control files–tcpd access control files, Defining an optional shell command, Optional access control language extensions

language extensions, Optional access control language extensions

overview, Access Control

shell command, Defining an optional shell command

tcpd, tcpd access control files–tcpd access control files

aclok option (share command), The share command

address spoofing, Obtaining an IP Address

address translation, Obtaining an IP Address

applications, Remove Unnecessary Software, Keep Software Updated

removing unnecessary, Remove Unnecessary Software

updating, Keep Software Updated

authentication, The Shadow Password File–The Shadow Password File, Secure Shell

shadow password files, The Shadow Password File–The Shadow Password File

ssh, Secure Shell

chat, chat

dedicated connections and, The PPP Daemon

distributing responsibility, Distributed Control, Use subnets to distribute control

subnets, Use subnets to distribute control

encryption, Encryption, Encryption, When Is Symmetric Encryption Useful?, Public-Key Encryption Tools–Public-Key Encryption Tools, stunnel–stunnel

public key, Encryption

public key tools, Public-Key Encryption Tools–Public-Key Encryption Tools

stunnel, stunnel–stunnel

symmetric, When Is Symmetric Encryption Useful?

firewalls, Firewalls–Firewalls, Functions of the Firewall, Filtering Traffic with iptables, Defining iptables filter rules

filtering routers, Filtering Traffic with iptables

functions of, Functions of the Firewall

iptables command, Defining iptables filter rules

overview, Firewalls–Firewalls

information resources, Use the network to distribute information

Internet connection considerations, Connected and Non-Connected Networks

passwords, Choosing a Password, One-Time Passwords, OPIE–OPIE

one-time, One-Time Passwords

OPIE, OPIE–OPIE

selecting, Choosing a Password

planning, overview, Security Planning

policies, creating, Writing a Security Policy

PPP, PPP Daemon Security–PPP Daemon Security

proxy servers, Obtaining an IP Address

r commands (Unix), Secure the r Commands–Secure the r Commands, Secure Shell

disabling, Secure Shell

resources, Words to the Wise

risks, Connected and Non-Connected Networks, Assessing the Threat

types of, Assessing the Threat

Samba, encrypted passwords, Configuring a Samba Server

ssh, Secure Shell–Secure Shell

system monitoring, Know Your System, Looking for Trouble, Checking files, Checking login activity

find command, Checking files

intruder detection, Looking for Trouble

login activity, Checking login activity

trusted hosts, Secure the r Commands

user authentication, User Authentication

vendors, information mailing lists, Use the network to distribute information

web servers, Web Server Security, The CGI and SSI Threat, The CGI and SSI Threat

CGI scripts, The CGI and SSI Threat

overview, Web Server Security

SSI, The CGI and SSI Threat

security parameter (smb.config file), Configuring a Samba Server

segment header, TCP Segment Header

segments, TCP/IP Protocol Architecture, Transmission Control Protocol, Transmission Control Protocol

format, Transmission Control Protocol

TCP headers, Transmission Control Protocol

SELECT command (IMAP), Internet Message Access Protocol

send (gated), Trace Statements

send command (dip), Dial-Up PPP, The dip Script File

sendbuffer parameter (gated), The bgp Statement

Sender fields (sendmail), Defining Mailers

sendmail, sendmail’s Function, sendmail’s Function, sendmail’s Function–Using Key Files in sendmail, Running sendmail as a Daemon, Running sendmail as a Daemon, Running sendmail as a Daemon, sendmail Aliases, Personal Mail Forwarding, The sendmail.cf File, Locating a Sample sendmail.cf File, Locating a Sample sendmail.cf File, Building a sendmail.cf with m4 macros–Building a sendmail.cf with m4 macros, Building a sendmail.cf with m4 macros, General sendmail.cf Structure, sendmail.cf Configuration Language, sendmail.cf Configuration Language, The Version Level Command, The Define Macro Command, Conditionals, Defining Classes, Setting Options, Defining Trusted Users, Defining Mail Precedence, Defining Mail Headers, Defining Mailers, Some common mailer definitions, Rewriting the Mail Address, Pattern Matching, Transforming the Address–Transforming the Address, Transforming with a database, The Set Ruleset Command, Modifying a sendmail.cf File, Modifying Local Information–Modifying Local Information, Modifying Local Information, Modifying Local Information, Modifying Local Information, Modifying Local Information, Modifying Options, Testing sendmail.cf–Testing sendmail.cf, Testing Rewrite Rules–Testing Rewrite Rules, Testing Rewrite Rules, Using Key Files in sendmail–Using Key Files in sendmail, Compiling sendmail–Compiling sendmail, Compiling sendmail–Sample script, Compiling sendmail, The sendmail Command–The sendmail Command, m4 sendmail Macros–m4 sendmail Macros, define–define, FEATURE–FEATURE, OSTYPE, DOMAIN, DOMAIN, DOMAIN, DOMAIN, DOMAIN, DOMAIN, DOMAIN, MAILER, sendmail Classes, sendmail Options–sendmail Options, sendmail Mailer Flags, The sendmail K Command–The sendmail K Command

(see also email)

aliases, overview, sendmail Aliases

classes, Modifying Local Information, Modifying Local Information, Modifying Local Information, Modifying Local Information

E, Modifying Local Information

M, Modifying Local Information

P, Modifying Local Information

w, Modifying Local Information

command-line arguments, The sendmail Command–The sendmail Command

compiling, Compiling sendmail–Compiling sendmail

configuration commands, sendmail.cf Configuration Language

configuration file, The sendmail.cf File, Locating a Sample sendmail.cf File, Building a sendmail.cf with m4 macros–Building a sendmail.cf with m4 macros, General sendmail.cf Structure, Modifying a sendmail.cf File, Modifying Local Information–Modifying Local Information, Modifying Options, Testing sendmail.cf–Testing sendmail.cf, Testing Rewrite Rules–Testing Rewrite Rules

creating with m4 macros, Building a sendmail.cf with m4 macros–Building a sendmail.cf with m4 macros

local information, Modifying Local Information–Modifying Local Information

modifying, Modifying a sendmail.cf File

Options section, Modifying Options

overview, The sendmail.cf File

samples, Locating a Sample sendmail.cf File

structure, General sendmail.cf Structure

testing, Testing sendmail.cf–Testing sendmail.cf

testing rewrite rules, Testing Rewrite Rules–Testing Rewrite Rules

configuration options, Building a sendmail.cf with m4 macros

configuring, sendmail.cf Configuration Language, The Version Level Command, The Define Macro Command, Defining Classes, Setting Options, Defining Trusted Users, Defining Mail Precedence, Defining Mail Headers, Defining Mailers, The Set Ruleset Command

define class command, Defining Classes

define macro command, The Define Macro Command

headers command, Defining Mail Headers

mailers command, Defining Mailers

overview, sendmail.cf Configuration Language

precedence command, Defining Mail Precedence

set option command, Setting Options

set ruleset command, The Set Ruleset Command

trusted users command, Defining Trusted Users

version level command, The Version Level Command

as daemon, Running sendmail as a Daemon

databases, address transformation, Using Key Files in sendmail–Using Key Files in sendmail

define m4 macro, define–define

Domain source file, DOMAIN

DOMAIN source file, DOMAIN, DOMAIN

DNS features, DOMAIN

DNS macros, DOMAIN

FEATURE macro, FEATURE–FEATURE

forwarding, Personal Mail Forwarding

installing, Compiling sendmail

internal classes, sendmail Classes

K command, The sendmail K Command–The sendmail K Command

m4 macros, m4 sendmail Macros–m4 sendmail Macros

macros, conditionals, Conditionals

mailer definitions, Some common mailer definitions

mailer flags, sendmail Mailer Flags

MAILER source file, MAILER

masquerading features, DOMAIN

masquerading macros, DOMAIN

options, sendmail Options–sendmail Options

OSTYPE macro, OSTYPE

overview, sendmail’s Function

queue processing time, Running sendmail as a Daemon

relay features, DOMAIN

rewrite rules, Rewriting the Mail Address, Pattern Matching, Transforming the Address–Transforming the Address, Transforming with a database

pattern matching, Pattern Matching

transformation fields, Transforming the Address–Transforming the Address

transformation with database, Transforming with a database

SMTP, receiving, Running sendmail as a Daemon

source code distribution web site, Locating a Sample sendmail.cf File

spam macros, DOMAIN

test commands, Testing Rewrite Rules

sendmail.cf file, The sendmail.cf File, Locating a Sample sendmail.cf File, Building a sendmail.cf with m4 macros, General sendmail.cf Structure, Modifying a sendmail.cf File, Modifying Local Information–Modifying Local Information, Modifying Options, Testing sendmail.cf–Testing sendmail.cf, Testing Rewrite Rules–Testing Rewrite Rules, More sendmail.cf

configuring, More sendmail.cf

creating with m4 macros, Building a sendmail.cf with m4 macros

modifying, Modifying a sendmail.cf File, Modifying Local Information–Modifying Local Information, Modifying Options

local information, Modifying Local Information–Modifying Local Information

Options section, Modifying Options

overview, Modifying a sendmail.cf File

overview, The sendmail.cf File

samples, Locating a Sample sendmail.cf File

structure, General sendmail.cf Structure

testing, Testing sendmail.cf–Testing sendmail.cf

testing rewrite rules, Testing Rewrite Rules–Testing Rewrite Rules

sequence (sendmail K command value), The sendmail K Command

Sequence Number field, TCP headers, Transmission Control Protocol

Serial Line IP protocol, BSD Unix support, The pseudo-device statement

serial lines, TCP/IP Over a Serial Line, The Serial Protocols, Troubleshooting Serial Connections–Troubleshooting Serial Connections

connections, troubleshooting, Troubleshooting Serial Connections–Troubleshooting Serial Connections

overview, TCP/IP Over a Serial Line

protocols, SLIP, The Serial Protocols

serial ports, troubleshooting, Troubleshooting Serial Connections

serial-queries option (named), The options Statement

server field, The Internet Daemon, PPP Daemon Security

chap-secrets file, PPP Daemon Security

inet.conf file, The Internet Daemon

Server Message Block (SMB), File Sharing

Server Selection (SRV) records, Server Selection record

server setting (smb.config file), Configuring a Samba Server

Server Side Includes, The CGI and SSI Threat (see SSI)

server statement (named.conf file), The server Statement

server string parameter (smb.config file), Configuring a Samba Server

server-identifier parameter (dhcpd), Configuration Parameters

server-name parameter (dhcpd), Configuration Parameters

ServerAdmin defines (httpd.conf file), Basic Configuration Directives

ServerAdmin values (Apache), changing (Solaris), Configuring Apache on Solaris

ServerName (httpd.conf file), Basic Configuration Directives

ServerRoot directive (httpd.conf file), Basic Configuration Directives

servers, Network Services, DNS, The Domain Hierarchy, BIND, Resolvers, and named, Internet Message Access Protocol, Configuration Servers, Reverse Address Resolution Protocol, Dynamic Host Configuration Protocol, Planning Your Mail System, PPP Server Configuration–PPP Server Configuration, BIND Configurations, BIND Configurations, BIND Configurations, A caching-only server configuration, Master and slave server configurations, Master and slave server configurations, The Cache Initialization File, The Network File System, Configuring a Samba Server, Managing Distributed Servers, POP Server, IMAP Server, Configuring Apache

(see also Apache; web servers)

caching-only, BIND Configurations, A caching-only server configuration

configuration, A caching-only server configuration

configuration, Configuration Servers, Reverse Address Resolution Protocol, Dynamic Host Configuration Protocol

DHCP, Dynamic Host Configuration Protocol

RARP, Reverse Address Resolution Protocol

distributed, management, Managing Distributed Servers

DNS, authoritative, DNS

IMAP, Internet Message Access Protocol, IMAP Server

configuring, IMAP Server

testing, Internet Message Access Protocol

mail, Planning Your Mail System

master name, BIND Configurations, Master and slave server configurations

configuration, Master and slave server configurations

name, classifications, BIND, Resolvers, and named

NFS, The Network File System

POP, configuring, POP Server

PPP, configuring, PPP Server Configuration–PPP Server Configuration

root, The Domain Hierarchy, The Cache Initialization File

cache initialization files, The Cache Initialization File

Samba, configuring, Configuring a Samba Server

slave, BIND Configurations, Master and slave server configurations

configuration, Master and slave server configurations

TCP/IP networks compared to PC LAN servers, Network Services

ServerType directive (httpd.conf file), Basic Configuration Directives

service extensions, SMTP, Multipurpose Internet Mail Extensions

services file, NIS map, Network Information Service

Session Layer (OSI Model), A Data Communications Model, A Data Communications Model

set option command (sendmail), Setting Options

SetEnvIf directive (Apache), Using Encryption

setgid files, share command and, The share command

setuid files, share command and, The share command

sftp (secure shell), Secure Shell

shadow password files, The Shadow Password File–The Shadow Password File

share command, The share command, The share command

options, The share command

persistence, The share command

share setting (smb.config file), Configuring a Samba Server

shared media networks, Subdividing an Ethernet

shared-network statement (dhcpd), Topology Statements

sharp sign (#), The Host Table, The Host Table, Understanding /etc/inittab, NFS Automounter

automounter comments, NFS Automounter

comments, The Host Table

comments in host table, The Host Table

inittab file, Understanding /etc/inittab

shell command, Defining an optional shell command, The dip Script File

dip, The dip Script File

security, Defining an optional shell command

shell files, security considerations, Looking for Trouble

show-password option (pppd), The PPP Daemon

showmount command, Mounting Remote Filesystems

showwarnings parameter (gated), The bgp Statement

sig-validity-interval (named), The BIND 9 options statement

SIGHUP, Signal Processing, Signal Processing, Signal Processing

gated signal processing, Signal Processing

named signal processing, Signal Processing

pppd signal processing, Signal Processing

SIGILL (named signal processing), Signal Processing

SIGINT, Signal Processing, Signal Processing, Signal Processing

gated signal processing, Signal Processing

named signal processing, Signal Processing

pppd signal processing, Signal Processing

SIGKILL (gated signal processing), Signal Processing

signal processing, Signal Processing, Signal Processing, Signal Processing

gated, Signal Processing

named command, Signal Processing

pppd, Signal Processing

SIGSYS (named signal processing), Signal Processing

SIGTERM, Signal Processing, Signal Processing

gated signal processing, Signal Processing

named signal processing, Signal Processing

SIGUSR1, Signal Processing, Signal Processing, Signal Processing

gated signal processing, Signal Processing

named signal processing, Signal Processing

pppd signal processing, Signal Processing

SIGUSR2, Signal Processing, Signal Processing

named signal processing, Signal Processing

pppd signal processing, Signal Processing

SIGUSR2 (gated signal processing), Signal Processing

SIGWINCH (named signal processing), Signal Processing

silent option (pppd), The PPP Daemon

Simple Mail Transfer Protocol, Application Layer, Simple Mail Transfer Protocol (see SMTP)

simplex (gated), Interface Statements

SITE macro (sendmail), m4 sendmail Macros

SITECONFIG macro (sendmail), m4 sendmail Macros

size bytes (gated), Trace Statements

size field (lsmod command), Using Dynamically Loadable Modules

skey command (dip), The dip Script File

slave servers, BIND, Resolvers, and named, BIND Configurations, Master and slave server configurations, The named.local File

configuring, Master and slave server configurations, The named.local File

sleep 2 command (dip), Dial-Up PPP

sleep command (dip), The dip Script File

SLIP (Serial Line IP), The Serial Protocols, The Serial Protocols

limitations, The Serial Protocols

SLIP END character, The Serial Protocols

SLIP ESC character, The Serial Protocols

SMB (Server Message Block), File Sharing

smb.conf file, Configuring a Samba Server, Configuring a Samba Server, The smb.conf homes section, Sharing directories through Samba, Sharing printers through Samba, NetBIOS Name Service

directory sharing, Sharing directories through Samba

global section, Configuring a Samba Server

home section, The smb.conf homes section

name server configuration, NetBIOS Name Service

printer sharing, Sharing printers through Samba

smbd command, Using Samba to Share Resources with Windows

smbpasswd file, Configuring a Samba Server

SMTP (Simple Mail Transfer Protocol), Application Layer, Simple Mail Transfer Protocol–Simple Mail Transfer Protocol, Simple Mail Transfer Protocol, Simple Mail Transfer Protocol, Multipurpose Internet Mail Extensions, Multipurpose Internet Mail Extensions, Multipurpose Internet Mail Extensions, Multipurpose Internet Mail Extensions, Running sendmail as a Daemon, Building a sendmail.cf with m4 macros, The sendmail Command

commands, Simple Mail Transfer Protocol, Simple Mail Transfer Protocol, The sendmail Command

source code, Simple Mail Transfer Protocol

viewing, The sendmail Command

ESMTP (Extended SMTP), Multipurpose Internet Mail Extensions, Multipurpose Internet Mail Extensions

private extensions to, Multipurpose Internet Mail Extensions

sendmail, Running sendmail as a Daemon, Building a sendmail.cf with m4 macros

required macros, Building a sendmail.cf with m4 macros

service extensions, Multipurpose Internet Mail Extensions, Multipurpose Internet Mail Extensions

smtp mailer, Building a sendmail.cf with m4 macros

smtp8 mailer, Building a sendmail.cf with m4 macros

smux statement (gated), The smux Statement

snoop, Diagnostic Tools, Packet Filters–Modifying analyzer output, Protocol Case Study

diagnostic troubleshooting, Diagnostic Tools

troubleshooting protocols, Packet Filters–Modifying analyzer output, Protocol Case Study

ftp failure, Protocol Case Study

Snort (automated system monitoring), Automated Monitoring

SOA (Start of Authority) records, The named.local File, The Reverse Zone File, The Forward-Mapping Zone File, Start of Authority record–Start of Authority record

forward-mapping zone files, The Forward-Mapping Zone File

named.local file, The named.local File

reverse zone files, The Reverse Zone File

socket options parameter (smb.config file), Configuring a Samba Server

sockets, A Data Communications Model, Sockets–Sockets

soft option (vfstab file), The vfstab and fstab files

Solaris, The Routing Table, The Host Table, The Host Table, Multipurpose Internet Mail Extensions, Reverse Address Resolution Protocol, Kernel Configuration, Kernel Configuration, Using Dynamically Loadable Modules, Using Dynamically Loadable Modules, Understanding /etc/inittab, Understanding /etc/inittab, The ifconfig Command, The ifconfig Command, The Interface Name, Checking the Interface with ifconfig, Assigning an Address, Assigning a Subnet Mask, Setting the Broadcast Address, Metric, Point-to-point, Putting ifconfig in the startup scripts, Solaris PPP, Troubleshooting Serial Connections, Installing static routes at startup, Running RIP with routed, Controlling the named Process, NFS Daemons, The share command–The share command, The mount command, The vfstab and fstab files, The vfstab and fstab files, Line Printer Service, Running sendmail as a Daemon, Configuring the Apache Server, Configuring Apache on Solaris–Configuring Apache on Solaris, Loading Dynamic Shared Objects, Loading Dynamic Shared Objects, Basic Configuration Directives, Basic Configuration Directives, Defining Where Things Are Stored, Creating a Fancy Index, The Shadow Password File, The ping Command, Solaris httpd.conf File–Solaris httpd.conf File

AddModule directive, modules referenced, Loading Dynamic Shared Objects

Apache, Configuring Apache on Solaris–Configuring Apache on Solaris, Defining Where Things Are Stored

configuring, Configuring Apache on Solaris–Configuring Apache on Solaris

Directory containers, Defining Where Things Are Stored

bootup, Kernel Configuration

broadcast addresses, setting, Setting the Broadcast Address

configuration files, The Host Table, Basic Configuration Directives

command-line option to override location, Basic Configuration Directives

syslog.conf, The Host Table

device drivers, installing, Using Dynamically Loadable Modules

dmesg command, The Interface Name

DSO modules, Loading Dynamic Shared Objects

dynamically loadable modules, Using Dynamically Loadable Modules

Ethernet, ifconfig command, The ifconfig Command

filesystem type, specifying, The mount command

hostname file, Assigning an Address

httpd.conf file, Configuring the Apache Server, Basic Configuration Directives, Solaris httpd.conf File–Solaris httpd.conf File

configuration directives, Basic Configuration Directives

location, Configuring the Apache Server

ifconfig command, syntax, The ifconfig Command

IndexOptions directive (Apache), Creating a Fancy Index

kernel configuration, Kernel Configuration

loghost alias, The Host Table

mountall command, The vfstab and fstab files

named command, running, Controlling the named Process

netmasks file, Assigning a Subnet Mask

network interfaces, checking status, Checking the Interface with ifconfig

NFS, daemon locations, NFS Daemons

physical network address, Reverse Address Resolution Protocol

ping command option, The ping Command

point-to-point connections, defining, Point-to-point

PPP, configuring, Solaris PPP

printers, configuring, Line Printer Service

rc.script files, Putting ifconfig in the startup scripts

routed command, running, Running RIP with routed

routing metric, changing, Metric

routing tables, The Routing Table

runlevels, Understanding /etc/inittab

sendmail, Running sendmail as a Daemon

serial ports, troubleshooting, Troubleshooting Serial Connections

shadow password files, The Shadow Password File

share command, The share command–The share command

SMTP extensions, Multipurpose Internet Mail Extensions

static routing, adding to startup scripts, Installing static routes at startup

System V startup, Understanding /etc/inittab

vfstab files, options, The vfstab and fstab files

sortlist command, The Resolver Configuration File

sortlist entry (resolv.conf file), The Resolver Configuration File

sortlist option (named), The options Statement

source field (RIPE database), Obtaining an IN-ADDR.ARPA domain

Source Port, Transmission Control Protocol

Source Port numbers (UDP), User Datagram Protocol

Source Quench Message (ICMP), Internet Control Message Protocol

sourcegateways parameter (gated), The rip Statement

sourcenet parameter (gated), The egp Statement

spam, FEATURE, DOMAIN

preventing (sendmail features), FEATURE

sendmail macros, DOMAIN

speed command (dip), Dial-Up PPP, The dip Script File

SPF (Dijkstra Shortest Path First) algorithm, Open Shortest Path First

spf-interval parameter (gated), The isis Statement

spoofing IP addresses, Obtaining an IP Address

squash entries (exports file), The /etc/exports file

srm.conf (Apache configuration file), Configuring the Apache Server

SRV (Server Selection) records, Server Selection record

ssh (secure shell), Secure Shell–Secure Shell

ssh-keygen (secure shell), Secure Shell

sshd (secure shell daemon), Secure Shell

SSI (Server Side Includes), security considerations, The CGI and SSI Threat

SSL (Secure Sockets Layer), Using Encryption–Using Encryption, Using Encryption

Apache, Using Encryption–Using Encryption

certificates, creating, Using Encryption

ssl CA certFile parameter (smb.config file), Configuring a Samba Server

SSLCertificateFile directive (Apache), Using Encryption

SSLCertificateKeyFile directive (Apache), Using Encryption

SSLEngine directive (Apache), Using Encryption

SSLOptions directive (Apache), Using Encryption

stab (sendmail K command value), The sendmail K Command

stack (protocol), A Data Communications Model, TCP/IP Protocol Architecture

headers, TCP/IP Protocol Architecture

stacksize option (named), The options Statement

standard resource records, Standard Resource Records

standards, TCP/IP Features, Protocol Standards–Protocol Standards, Protocol Standards

categories of, Protocol Standards

protocols, TCP/IP Features, Protocol Standards–Protocol Standards

standards track RFCs, maturity levels, Protocol Standards

start argument (sendmail), Running sendmail as a Daemon

Start of Authority, Start of Authority record (see SOA records)

StartServers directive (Apache), Managing the Swarm

startup files, Startup Files, Understanding /etc/inittab, The Extended Internet Daemon, Putting ifconfig in the startup scripts, Installing static routes at startup, Installing static routes at startup, Running gated at startup, The vfstab and fstab files, Running sendmail as a Daemon

(see also bootup)

gated, Running gated at startup

ifconfig command, Putting ifconfig in the startup scripts

inetd, Understanding /etc/inittab

mountall command, The vfstab and fstab files

sendmail, Running sendmail as a Daemon

static routing, Installing static routes at startup

Unix configuration, Startup Files

xinetd, The Extended Internet Daemon

STAT command (POP), Post Office Protocol

statd command, NFS Daemons

state (gated), Trace Statements

static address assignment, Assigning Host Addresses

static routing, Planning Routing, Common Routing Configurations, Building a Static Routing Table, Adding Static Routes–Adding Static Routes, Installing static routes at startup

startup files, Installing static routes at startup

tables, Planning Routing, Building a Static Routing Table, Adding Static Routes–Adding Static Routes

adding routes, Adding Static Routes–Adding Static Routes

creating, Building a Static Routing Table

static statements (gated), static Statements

statistics-file option (named), The options Statement

statistics-interval option (named), The options Statement

STDs (standards RFCs), Protocol Standards

stopbits command (dip), The dip Script File

store and forward protocols, Simple Mail Transfer Protocol

STORE command (IMAP), Internet Message Access Protocol

stream field (inet.conf file), The Internet Daemon

streams, TCP/IP Protocol Architecture

strictinterfaces (gated), Interface Statements

String value (dhcpd option statement), DHCP Options

string values (printcap file), The printcap file

stub areas (OSPF hierarchy), Open Shortest Path First

stubhosts parameter (gated), The ospf Statement

stunnel (public key encryption), stunnel–stunnel

subdirectories, share command and, The share command

subdividing Ethernet segments, Subdividing an Ethernet

subdomains, Creating Domains and Subdomains

subject (DSN error code), Transforming the Address

subnet addresses, Subnets–Subnets

subnet masks, Subnets, Subnets, Getting Started, Defining the Subnet Mask, Defining the Subnet Mask, Defining the Subnet Mask, Assigning a Subnet Mask–Assigning a Subnet Mask

assigning, ifconfig command, Assigning a Subnet Mask–Assigning a Subnet Mask

creating, Subnets

defining, Defining the Subnet Mask, Defining the Subnet Mask

distributing, Defining the Subnet Mask

RFCs, Subnets

system configuration, Getting Started

subnet security, distributing responsibility, Use subnets to distribute control

subnet statement (dhcpd), dhcpd.conf, Topology Statements

subnetting, Obtaining an official network address, Assigning Host Addresses, Defining the Subnet Mask, Defining the Subnet Mask

need for, Assigning Host Addresses

organization purposes for, Defining the Subnet Mask

plans, RFCs, Obtaining an official network address

topological reasons for, Defining the Subnet Mask

summary-filter parameter (gated), The isis Statement

summary-originate parameter (gated), The isis Statement

switch (sendmail K command value), The sendmail K Command

symbols, Pattern Matching, Trace Statements

gated trace statements, Trace Statements

sendmail pattern matching, Pattern Matching

SymLinksIfOwnerMatch (Options directive setting), Controlling Server Options

symmetric encryption, Encryption, When Is Symmetric Encryption Useful?

SYN bit, TCP headers, Transmission Control Protocol

sync option (pppd), The PPP Daemon

synchronization, TCP byte numbering, Transmission Control Protocol

sys value (share command), The share command

syslog (gated), Options Statements

syslog parameter (gated), The ospf Statement

syslog.conf configuration file, The Host Table

system administration, Overview of TCP/IP, Managing Distributed Servers

defined, Overview of TCP/IP

distributed servers, managing, Managing Distributed Servers

system configuration, Getting Started, Informing the Users, Understanding /etc/inittab

end users, distributing to, Informing the Users

initialization scripts, Understanding /etc/inittab

planning, Getting Started

system file, Solaris configuration, Using Dynamically Loadable Modules

System V, The vfstab and fstab files, Line Printer Service

Line Printer configuration, Line Printer Service

vfstab files, options, The vfstab and fstab files

System V startup model, Startup Files, Startup Runlevels, Understanding /etc/inittab

inittab file, Understanding /etc/inittab

runlevels, Startup Runlevels

systemid systemid parameter (gated), The isis Statement