soft-mounting, 175
real user names, 279
limitations, 172
passwd.byname, 167
matching uids and gids, 176, 178
passwd.byuid, 167
mounting a volume, 171, 173
Password Authentication Protocol, 131, 142
readonly volume, 177
passwords
restricting block size, 174
and remote login, 156
server, 172, 175
network-wide, 167{169
timeout, 175
pathalias, 220, 223{224
nfsd, 172, 175
paths le, 220, 222{224
NIS, 158{170
PC/TCP compatibility, 66
and shadow passwords, 169
ping, 87
and the resolver, 104
PLIP, 72, 92
client, 162{170
routing, 101
creating maps, 163
plip1 (PLIP interface), 92
databases, 159
point-to-point link, 92, 93, 95, 101, 131
domain, 161{162
Point-to-Point Protocol, see PPP, 131
locating server, 161
POP, 230
map, 159{160, 162
port, see network, port
nickname, 160
COM, 76
passwd maps, 167{170
numbers, 34
server, 160{164
portmap, 155
344
INDEX
portmapper daemon, 155
PTR (DNS record), 113
portmapper failure (error message), 170
Post Oce Protocol, 230
queuing mail, 234
PPP, 33, 93, 120, 131{147
Quinlan, Dan, 23
and IP addresses, 133
async map, 140
RARP, 45, 66
authentication, 142{146
rc scripts, 80
chat script, 135{137
rc.inet, 80, 86, 88, 175
compressing data, 132, 141
rcp, 156
daemon, 132
reaching a host, 87
debug information, 137
readonly NFS volume, 177
default route, 134
real user names, 279
driver, 132
Reber, Tobias, 158
dynamic address assignment, 138
receiving news, 279
escaping control characters, 140
remote
IP addresses, 138
command execution, 156
lock les, 134
execution, 25, 216
Maximum Receive Unit, 141
le access, 26, 156, 171
option les, 134
le system, 173
proxy ARP, 139
login, 28, 34, 156
routing, 101, 139{140
X11 session, 28
security, 141
Remote Procedure Call, 154{155
server, 146
mapping ports to programs, 155
using CHAP, 142{145
program numbers, 154
using PAP, 142, 145{146
resolv.conf, 106
pppd, 132{147
resolver
.ppprc, 134
conguring, 104{107
prevent spoong, 104
environment variables, 105
primary (BIND option), 109
library, 104
proc lesystem, 81
robustness, 107
protocol, 24
using a name server, 104
AX.25, 30, 68
using NIS, 104
CSLIP, 33
resource record, see DNS, resource record
Ethernet, 29
restrict root access, 177
IP, see IP
restricting access, 151
IPX, 67, 68
Reverse Address Resolution Protocol, see
NNTP, 296
RARP
PPP, 33
reverse mapping, 58{60
SLIP, 33
.rhosts, 156
TCP, 33
RIP, see Routing Information Protocol
UDP, 34
rlogin, 156
UUCP, 205
rmail, 198, 216
X.25, 30
rmgroup control message, 291
protocol numbers, 153
rnews, 198, 275, 286
protocols, 149, 152{154
round-trip time (IP), 87
proxy ARP, 93, 101, 139
route, 86, 90, 101
345
INDEX
route, default, 44, 92, 134
le locations, 268
routed, 49
forcing mail, 265
routing
forcing UUPC delivery, 266
daemon, 49
fully qualied domain name, 255, 256
dynamic, 49, 50, 93, 101, 140
generating sendmail.cf, 259{260
ICMP Redirect, 50
IDA, 246
IP datagrams, see IP, routing
installing, 258
IP gateway, 91
Internet site, 252
loop avoidance, 236
local hostnames, 250
mail, see mail routing
mailers, 249, 251, 253, 255, 256, 266, 267
metric, 50, 95, 96
mailertable, 253
over PPP, 139
postmaster, 257
protocols, 49
postmaster, 249
proxy ARP, 101
preventing UUPC delivery, 267
smart-host, 220
queue operation, 267
table, 49, 97
relay host, 251, 265
Routing Information Protocol, 49, 50, 93, 96
remote site miscongured, 265
RPC, see Remote Procedure Call
routing, 255
rpc, 154
domain, 265
rpcinfo, 165
smart-host, 251
RR, see DNS, resource record
UUCP, 255, 258, 266, 267
RS-232, 77
run the queue, 267
rsh, 156
running, 260
rsmtp, 216
sendmail.cf, 245
RTS/CTS, 77
statistics, 267
tables, 246, 251, 258, 263
Salz, Rich, 297
testing, 260{264
secondary (BIND option), 109
transport, see , mailers249
security, 130
unqualied hostname, 255, 256, 266, 267
Ethernet, 96
user aliases, 257, 258
false hostnames, 104
UUCP, 250, 255, 266, 267
PPP, 136, 141{146
UUCP leaf site, 252
r commands, 156
version, 258
remote login, 156
writing mail to a le, 257
SLIP, 123
sendmail.cf, see sendmail, sendmail.cf
spoong, 104
checkgroups control message, 293
system, 38
checkgroups control message, 293