Index_N

N

-n flag, 89, 390, 407

NAME heading, 21

named rulesets, packet filtering, 377–78

named_chroot directory, 95

named_flags daemon, 94

named_user daemon, 94

names, alias, 141

nameserver list, 286–87

nameservice, 90

NAT device, 384–85

NAT firewall, 387

nat keyword, 393–94

NAT mode feature, 390

NAT (Network Address Translation), 384–86, 387

nat-anchor, 378

navigating man pages, 19

ndc(8) command, 135

NE2000 ISA network card, 211

negation (!) operator, 360

nesting aliases, 141

NetBSD developers, 4

net.inet6.ip6.forwarding entry, 207

net.inet.ip.forwarding entry, 207

net.inet.ip.forwarding sysctl MIB, 351

net.inet.tcp.rfc1323 entry, 207

netmasks, 89, 152–55

netstart script, 281

netstat(1) command, 150, 157–58

network, 101–2, 273, 281, 355

Network Address Translation (NAT). See NAT (Network Address Translation)

network cards, 62

network connection

controlling with packet filtering, 366–67

in single-user mode during upgrade, 333–34

testing, 64

network install, 66

network interfaces, 161

network management, 11

network numbers, excluding sections, 360–61

network packets, 206

network ports, 156–57, 287, 355

network protocol, 371

network request, 148–49

network setup, 62–65

network stack, 204

network traffic, 395. See also packet filtering

networking, 145–65

basics, 149–55

bits, 150–51

IP addresses and netmasks, 152–55

Mbufs, 149–50

configuring interfaces, 160–61

IP routing, 162–65

layers, 146–47

life and times of network request, 148–49

TCP/IP, 155–60

how protocols fit together, 156

ICMP (Internet Control Message Protocol), 155

IP, 155

listening on ports, 159–60

network ports, 156–57

ports that are open, 157–59

TCP (Transmission Control Protocol), 156

UDP (User Datagram Protocol), 155

newdepend comment, 250

newfs(8) program, 310, 312–13, 316–17

news facility, 289

newsyslog(8), 281, 282, 283

newsyslog.conf file, 281–83

NFS file systems, 96, 266, 270

nfs_server, 96

nfsd_flags, 96

nkmempg kernel option, 217

nmbclust kernel option, 216

no access time mounts, 301–2

no device nodes mounts, 301–2

"no" keyword, 385

NO_DEPENDS, 257

noatime option, 301–2

noauto mount, 302

-noconfig option, 121

nodev mount, 302

no-df modifier, 365

noexec mount option, 302

nologin environment setting, 128

nologin shell, 118

non-device driver, 216–17

none level, 290

non-executable stack option, 196

non-i386 serial consoles, 105

non-interactively users, 119–21

non-matching checksum, 183

non-root users, running commands as, 138

normal setting, 362

normalization, packet, 364–66

normalization statistics, 410

normalize packets, 364, 411

no-route address matches, 371

nosuid mounts, 302

not-equal symbol, 355

notice level, 290

ntpd server, 94

ntpdate_flags protocol, 94

null modem cable, 105

numbered directories, 36