Linux Troubleshooting Bible [Electronic resources] نسخه متنی

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Linux Troubleshooting Bible [Electronic resources] - نسخه متنی

Christopher Negusand, Thomas Weeks

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Index


I


IDE tape drives for backup, 110

IDE/ATAPI interface, 110

IDS. See intrusion detection systems


incremental backups, 101, 103. See also differential backups

info command, 12

INPUT chain, 286

INPUT rule, 286

InputDevice section, 177

Intel i810 chipsets, 187

Internet Relay Chat (IRC), 13

Internet service providers. See ISP

internetwork firewall, 273

intrusion detection

chkrootkit scans, use of, 251

cracker detecting, 243

file alteration monitoring, 242

file-system-level forms, 242

host-based IDS (HIDS), 242

network-based IDS (NIDS), 242

overview, 241

resources, 262

rootkit, 242

RPM baseline, creating, 249

system scanning, automating, 252


intrusion detection systems (IDS)

host-based (HIDS)), 241

network-based (NIDS)), 241

network-node-based (NNIDS), 242

intrusion detection tools

chkrootkit, 251

file system tools, 243

Portsentry, 245, 255

Red Hat Package Manager (RPM), 242

SNARE, 245

Snort, 244

system watching, 243

third-party tools, 244

intrusion forensics, 248

intrusion troubleshooting

compromised system, 259

cracking aspects, 258

security foundation, 261

threatening ISP, 260

IP (Internet Protocol)

addresses, 311

datagram structure, 268

ip forwarding, 270

ipchains, 274, 305

ipop3 service, 508

iptable

access control mechanism, 272

command, 284

configurations, 74, 283

for trusted network, 270

kernel modules, 291

overview, 274

passive FTP and, 462

rule for ssh, 474

rules, 288

security settings, 298

single server access control, 281

iptable troubleshooting

denied access, 306

ipchains, conflict with, 305

overview, 304

packet forwarding, enabling, 304

SSH access denied, 304

iptable types

filter, 285, 295

mangle, 285

nat, 285

iptable-based firewall, 282, 293

iptables configuration

/etc/sysconfig/iptables configuring, 286

iptables rules, testing, 288, 289

overview, 282

RH-Firewall-1-INPUT chain, 287, 290

stand-alone server, 283

using /etc/sysconfig/iptables file, 283

iptables rule, target value of

ACCEPT, 289

DROP, 289

QUEUE, 289

RETURN, 289

IPv4

forwarding, 296

networking, 78

IPv6

encryption, 286

support for Apache 2.0, 428

IRC (Internet Relay Chat), 13

iSCSI, 109

ISO images, 19

isolinux boot media, 66, 89, 92, 93


ISP (Internet service providers), running, 324

/ 213