Index

I

ICMP packets, 335

ICQ, 280, 281

IDE CD-R/RW, installing devices, 590–592

ifconfig, 775–777

ignoreeof, 167–168

IMAP, 469–470

info pages, 45

See also Help

information requirements, 23–25

Informix, 222

init.d scripts, 357–358

initialization files, 170–171, 178–179

inittab files, 622

input devices, 622–623

install diskette, 26

See also boot disks

installation

additional software, 34

redhat-config-packages, 55–56

rpm command, 57–58

software, 54–60

source code applications, 59–60

Instant Messenger, 281–282

integrity checks, 290

interface configuration scripts, 75–76

Internet Cache Protocol (ICP), 443

Internet Configuration Wizard, 73

DSL and ISDN configuration, 74

modem configuration, 73–74

wireless configuration, 74–75

Internet Mail Access Protocol. See IMAP

Internet Protocol Security. See IPsec

InterNetNews (INN), 485

configuration files, 485–486

implementing, 487

inn.conf, 486–487

overviews, 487

storage formats, 486–487

intranets, 84

intrusion detection, 301

iostat, 513

IP addresses, 83–84, 253

assigning statically or dynamically, 84–86

class-based, 757–758

dynamic, 698–699

fixed, 703–706

obtaining, 762–763

virtual hosts, 425–426

IP aliasing, 782

IP forwarding, 351

IP masquerading, 349–351

local networks, 350

NAT rule, 350

selected hosts, 352

IP-based virtual domains, 684–685

IPsec, 62, 303

certificates, 310

configuring connections with setkey, 306–309

configuring with racoon, 309–310

configuring with redhat-config-network, 305–306

Crypto IP Encapsulation (CIPE), 312

and IPtables, 305

Key Exchange protocol (IKE), 309–310

modes, 304

protocols, 303–304

receiving hosts, 308

security associations, 307

security databases, 304–305

security policy, 307–308

tools, 304–305

tunnel mode, 310–312

two-way transmissions, 308–309

iptables, 328–329

accepting and denying packets, 333–334

adding and changing rules, 331

commands, 331

controlling port access, 336–337

ICMP packets, 335

and IPsec, 305

options, 332–333

script example, 343–349

support, 341–343

targets, 330

user-defined chains, 334

IPv4, 756

addresses, 654, 757

CIDR addressing, 760–762

reserved addresses, 762–763

IPv6, 756

addressing, 654, 765–767

CIDR addressing, 762

ISDN, configuration, 74

iwconfig, 78–79

iwlist, 80

iwpriv, 79–80

iwspy, 80

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