S[ Top ]
SAGE (System Administrator's Guild), 453
Salz, Rich, 399
scp command, 227, 230, 233
secondary option (BIND), 102
securenets option, 241
security, 128
Ethernet, 79
false hostnames, 86
filtering, 155
firewalls, 151
methods of attack, 152
network, 151
PPP, 134
remote login, 227
SLIP, 120
spoofing, 86
system, 16
TCP servers, 221-222
using NIS, 241
using PPP, 141-145
UUCP, 298-303
sed command (UNIX), 381
sendbatches command, 387
sendmail, 310, 326-357
access database, 346
analyzing mail statistics, 355
configuration files, 327-333
hostat command, 356
important configurations, 341-349
installing, 327
m4 options, 340
mailstats command, 355
managaing email aliases, 341
management tools, 354-357
managing the mail spool, 354
options, configuring, 339-341
processing mail queues, 355
rewrite rules, 334-339
ruleset semantics, 337-339
running, 353
smart host configurations, 343
testing the configuration, 349-353
virtual email hosting, 348
virtusertable feature, 349
sendmail.cf file, 326, 328-333
configuring sendmail options, 339
generating, 334
R and S commands, 334
sendmail.df file, 328
sendmail.mc file, 328
parameters, 330-333
two examples, 328
.Sequence file, 303
Sequenced Packet eXchange (SPX), 260
Sequenced Packet Protocol (SPP), 259
serial devices
accessing, 51
configuring, 49-62
serial line
device file, 51
hardware handshake, 54, 57
protecting characters, 139
Serial Line Internet protocols, xxix
(see also SLIP; PPP)
serial line IP (see SLIP; PPP)
servers
inetd, 219-221
kernel-based support, 257
master, 238, 240
nfsd daemon, 251
NIS, 238
NNTP, 398
rpc.nfsd daemon, 251
slave, 238, 240
tcpd daemon wrapper, 222-224
UUCP, 300-303
ypserv command, 238
Service Advertisement Protocol (SAP), 260, 265
services, 11
port numbers and, 12
restricting access to, 17, 222
setting up, 219
well-known, 12, 224
services file, 224-225
services.byname map, 245
setnewsids (C News), 378
setserial command, 55
setting
domain name, 65
hostname, 65
IRQ, 79
NIS domain, 238, 243
shadow passwords and NIS, 249
Simple Mail Transfer Protocol (SMTP) (see SMTP)
sites, 2
leaf, 319
Skahan, Vince, xxii
sl0 (SLIP interface), 76
sl1 device, 42
Slackware (Linux distribution), xx
slattach program, 117
slave servers, 238, 240
SLIP (Serial Line IP) protocol, 10, 50, 116-128
driver, 48
interface, 76
let users initiate, 120
null modem cable for, 443
operation, 117
routing, 84
SLIPDISC (line discipline), 117
sliplogin program, 126
slist command, 273
slogin command, 227, 230, 232
smart host configurations, 343
SMART_HOST macro, 344
smart host routing, 319
SMTP (Simple Mail Transfer Protocol), 314
batched, 298, 314
service, 359
SOA (DNS record), 98, 106
sockets, 12
source routing, 40
source-routed address, 316
spamming, 344-347, 369
Spencer, Henry, 372
spoofing
attacks, 153
preventing, 86
spool directory, 281
spooling, 281
ssh command, 227
clients, 230-232
configuring, 228-234
running clients, 232-234
sshd daemon, 228-230
ssh tools, 18
.ssh/authorized_keys file, 234
sshd daemon, 228-230
ssh-keygen utility, 228, 231
standalone host, 76
standards, filesystem, xxi
Start of Authority, 98
Storm, Kim F., 438
Stover, Martin, 260, 278
stty command, 57
subdomains, 93
DNS, 94, 99
subnets
DNS, creating, 67
IP, 24, 40
sudo command, 120
support, online, xix
SuSE (Linux distribution), xx
synchronizing name servers, 96
sys file (/etc/news), 382
syslog, 145, 222, 257
system maintenance, 16
system security, 16
T[ Top ]
tass newsreader, 437
Taylor, Ian, 280
Taylor UUCP, 279-309
accounts, 300
alternates, 292
anonymous, 303
call sequence check, 282, 302
call time, 293
calling in, 300
calling out, 283
chat scripts, 291
checking, 289
command execution, 298
configuration files, 283-297
configure as server, 300-303
device, 290, 294
dial file, 295
dialcode file, 290
direct lines, 297
file transfer, 298
forwarding, 299
handshake, 282
HDB, 309
hostname, 287, 289
job, 281
logging and debugging, 283, 308
logging in, 287, 291
login chat, 291
login security, 301-303
mail, 298
Mapping Project, 288
master, 282
modem, 294-296
news, 298
over TCP/IP, 296
passwd file, 301
phone number, 290
port file, 294
priorities, 281, 293
protocols, 282
tuning, 305
remote system, 289-294
restrict
call time, 293
command execution, 298
file transfer, 298
forwarding, 299
retry interval, 293
set up logins, 300
slave, 282
spool directory, 281
spool grade, 281, 293
statistics, 309
sys file, 289
uucico, 282
TCP (Transmission Control Protocol), 10
UUCP, 296
wrapper program, 222
tcpd daemon wrapper, 222-224
TCP/IP (Transmission Control Protocol/Internet Protocol)
accounting, 200-210
compressing packets, 117, 130
configuring networks, 63-84
firewalls, 151-199
networks, 2-12, 19-31
telephones
demand dialing, 148
persistent dialing, 149
sending data over, 10, 116, 129
terminal programs, 49
testing
network configuration, 70, 72
sendmail configuration, 349-353
TFTP (Trivial File Transfer Protocol), 17, 221
thinnet, 4
Th<:u>mmler, Swen, 236
tin newsreader, configuration, 437
TNC (Terminal Node Controller), 7
Token Ring
ARP and, 22
driver, 48
networks, 6
TOS (Type Of Service) bits, manipulating, 188-190
tr0 device, 42
Transmission Control Protocol (see TCP)
Tridgell, Andrew, 14
tripwire command, 18
Trivial File Transfer Protocol (see TFTP)
trn newsreader, configuration, 437
T'so, Theodore, 55
ttys, 50-62
line discipline, 51, 117, 130
U[ Top ]
UART, 54
UDP (User Datagram Protocol), 11
Unix-to-Unix Copy (see UUCP)
unsolicited mail, managing, 344-347, 369
Urlichs, Matthias, 15
Usenet, 372-377
map files, 321
maps, 318
USEN