Index_I

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I

icons Apache installation subdirectory, contents of, 242

IDE ZIP drives, configuring for Red Hat Linux desktop system case study, 306-307

IDEs (integrated development environments) versus JDKs, 342

IDS (Intrusion Detection System), using with firewalls, 406-408

include Apache installation subdirectory, contents of, 242

inetd program

configuring for Slackware Linux, 124-127

usage with Red Hat Linux, 97-98

inetd services

disabling with Slackware Linux, 129-130

passing arguments with, 128

removing with Debian GNU/Linux, 167

init program

purpose of, 41

switching runlevels with, 42, 73

tracing Unix flavors with, 42-43

init runlevels, understanding, 72-73

initscripts RPM package, explanation of, 73, 75-77

inittab file, examining usage with Red Hat Linux, 77-79

INPUT chain, role in establishing policies for firewalls, 384

installation, preparing for, 174

installed packages. See also packages, uninstalled packages

querying with RPM, 63-64

upgrading with Debian GNU/Linux, 149-150

verifying with RPM, 64

installpkg program, using with Slackware Linux, 109

Intel architectures for RPM, explanation of, 57

intiface firewall configuration variable, meaning of, 380

intip firewall configuration variable, meaning of, 380

intserver firewall configuration variable, meaning of, 380

invoke-rc.d tool, using with Debian GNU/Linux, 159

IP address of server field in Dante SOCKS library configuration, meaning of, 226

IP masquerading functionality, setting for firewalls, 385

ipchains

HOWTO for, 363

versus iptables, 374

IPSec (IP Secure) protocol, usage with VPNs, 410

iptables script, role in Red Hat Linux firewall case study, 374-383

iptables versus ipchains, 374

ISC (Internet Software Consortium) DHCP daemon, installing, 390-391, 393

ISO-9660 filesystem images, creating for CDs, 318

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