[SYMBOL] [A] [B] [C] [D] [E] [F] [G] [H] [I] [J] [K] [L] [M] [N] [O] [P] [Q] [R] [S] [T] [U] [V] [W] [X] [Y] [Z] naivete 2nd name resolution name server (NS) records, DNS name servers, DNS caching-only distribution forward-only forwarders 2nd master primary secondary slave 2nd stealth stub name service switch file named daemon 2nd controlling securing named pipes NAT (network address translation) National Health Service (Scotland) ndc command ndd command negative query cache lifetime, DNS Nessus package net use command (Windows 2000) Net-SNMP package access control 2nd client utilities configuration files trap daemon NetSaint package access control alerts components configuration files configuring daemon prerequisites services status maps utility netstat command 2nd nettl command (HP-UX) network address translation (NAT) network addresses, reserved Network File System [See NFS] Network Information Service (NIS) Network Management Station (NMS) network segment Network Time Protocol [See NTP] network-based attacks networking acknowledgments adapters backups and boot activities for collision rates configuring new hosts connectionless communication connectivity testing 2nd daemons data unit names fragmentation hardware interface configuration interface names 2nd layers management tools maximum cable lengths media monitoring 2nd OSI reference model performance physical media ports protocols scripting with Stem security issues services sockets subnetting TCP/IP parameters 2nd testing time synchronization topologies traffic 2nd troubleshooting trust newaliases command newfs command (FreeBSD) newfs command (HP-UX) newfs command (Solaris) 2nd newgrp command Linux version 2nd news media newsyslog package newtask command (Solaris) NFS automounter configuration files daemons 2nd exporting filesystems hung processes and mount options mounting remote filesystems 2nd performance security issues TCP vs. UDP Version 2 vs. 3 nfsd daemon nfsiod daemon nfsstat command ngrep command nice numbers 2nd 3rd 4th 5th Niemi, David NIS (Network Information Service) Nixon, D. J. nmap package NMS (Network Management Station) no command (AIX) nobody account nocanonify sendmail feature normal, recognizing npasswd command 2nd 3rd nroff text formatting system 2nd 3rd directives nslookup command nss_ldap module ntop package NTP authentication clients concepts configuring daemon enabling huff 'n' puff filter Internet server reference clocks servers 2nd 3rd ntpd command ntpdate command ntpdc command ntpq command Nugent, Tony null-modem cables nullclient sendmail feature numeric file modes 2nd NVRAM |