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address assignment 275–279, 298–299

address classes 272

addressing 269–283

ARP 265, 270, 285–287

broadcast addresses 301

CIDR 276–278

Internet protocol continued

directed broadcast 296, 313, 320, 326, 333

fragmentation 269

IPSEC 297

packet forwarding 295, 302–304, 313, 320, 326, 333

ports 270–271

private addresses 279–281

source routing 296, 313, 319–320, 326, 333

subnetting 272–275

ioctl 108

IOS (router OS) 368–370

ioscan 144

iostat 763–764

ipcalc 274

ipchains 327–329, 334

ipf 334–337

ipf.rules file 335, 337

IPFilter 333–337

ipfstat 334

ipfw 333–334

ipnat 334–337

ipnat.rules file 336–337

IPSEC 297, 788

IPv6 275–276, 281–283

addressing 450–453

DNS support 396, 450–453

ISC (Internet Software Consortium) 288–289, 394

ISDN 383

IS-IS protocol 347, 351

ISO-9660 filesystem 243

ISOC (Internet Society) 263

ISPs

appropriate use and spam policy 596, 788, 793

as backup mail servers 548

as potential spies 790

DNS services 400

IP address allocation 278–283

redundant 348, 787

reverse DNS delegation 445–447

J

Jacobson, Van 263, 291, 629

Jaz disks 171, 175

Johner, Heinz 533

Joy, BIll 132

jukeboxes 173–174

JUS society 814

K

Kahn, Bob 263

Karels, Mike 394

Kerberos 670–671

/kernel directory 227

kernel

address space 44

and NFS 499

bootstrap information 240

config keyword 240

configuration 226–246

FreeBSD configuration 233–246

FreeBSD tuning 244–246

GATEWAY option 240

generic 226, 235

HP-UX configuration 229–231

initialization 14

installing 237

Linux configuration 231–233

location 64

maxusers keyword 238

options keyword 239–240

overview 224–225

panics 136, 138

pseudo-device keyword 242

Solaris configuration 226–229

table of BSD keywords 238

table sizes 238

kerneld 256

Keys file 321

kflushd 15

kill 51

KILL signal 50–51

Kim, Gene 668

/dev/kmem file 44, 659

Kolstad, Rob 615, 793

Kotsikonas, Anastasios 560

kpiod 15, 827

ksh 81

kswapd 15, 827

Kudzu 31

kupdate 15

L

lanadmin 29, 317–318

LANs 373

lanscan 316–317

lastlog file 208

law see legal issues 787

LDAP

documentation 533

overview 532–533

software 534

use with sendmail 550, 553, 560–562, 582–583

ldap_routing 582

Leffler, Sam 132, 577

legal issues 787–792, 813–814

Legato 203

liability 788, 791

Libes, Don 519

licenses (software) 792

LILO 18–23, 152, 232

lilo 18–19, 22, 152

lilo.conf file 18–19, 21, 152, 232

Link Control Protocol 291

links

as shown by ls 72

hard 66–67

symbolic 68–69

Linux 3

Linux LVM 132

linuxconf 323

LISA conference 793, 816

ListProc 558, 560

LISTSERV Lite 558, 560

ln 66, 68

load averages 759

load balancing (disk) 756, 764

load balancing (web) 409, 445, 688, 755

loadable drivers 229, 253–256

dangers 253

FreeBSD 256

Linux 254–256

Solaris 253–254

loader.conf file 20

local_lmtp 586

local_procmail 587

LocalDirector 688, 755

localhost DNS configuration 455, 480–481

local-host-names file 578, 590

localization 805–809

lockd 490, 829

/dev/log 210

log files

see also syslog

accounting 208

Amanda 196

archiving 206

BIND 403, 423

design hints 218

log files continued

discarding 204

filtering and postprocessing 222–223

finding 207–208

for cron 158

for login 208

for sendmail 617

for sudo 42

FreeBSD 209–210

HP-UX 209

logging to /dev/console 220

network-wide 218

not to manage 208–209

Red Hat 209

replacing while in use 206

rotating 205–206, 210

sendmail 617

Solaris 209

table of locations 208

logcheck 222–223

logger 219

logging in 105

logical unit numbers 123

logical volume managers 131–132, 143–146

.login file 88

login 39, 105, 208

;login: newsletter 815

/etc/login.conf file 81

logingroup file 80

logins

adding 85–89

bin 44, 79

daemon 44, 79

disabling 90–91

ftp 696

GECOS information 80

groups 79–80, 88–89

guest 781

home directories 65, 81, 87

mail home 88, 549

naming conventions 77–78

nobody 44, 491, 531

passwords