[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] IBM, Thomas J. Watson Research Center ICMP messages id command IDE disks identifying file types ifconfig command 2nd 3rd boot-time arguments for Solaris versions ifhp filter IMAP 2nd 3rd 4th Cyrus daemons securing user agents and user authentication inactivation, of user accounts in-addr.arpa domain include files acct.h DNS /etc/aliases signal.h incremental backups inetd daemon 2nd disabling subdaemons ingenuity init daemon inittab configuration file signalling zombie process cleanup init process 2nd initialization files customizing systemwide desktop examples login skeleton systemwide user account X Windows inodes backups by monitoring unreferenced input bounds checking insmod command (Linux) installp command (AIX) INT signal integrity checking, filesystem interacting with users interactive processes interfaces (network), common names for interleaving International Atomic Time (TAI) Internet NTP servers passwords and software archives Internet Assigned Numbers Authority (IANA) Internet Message Access Protocol [See IMAP] Internet Printing Protocol (IPP) Internet protocol (IP) Internet Software Consortium (ISC) DHCP 2nd DNS interprocess communication intruders investigating security problems ioscan command (HP-UX) iostat command IP addresses assigning with DHCP IPv6 format 2nd mappings to hostnames, DNS multicast reserved ranges of IP spoofing 2nd ipcalc.pl script IPL (initial program load) ipreport command (AIX) iptrace command (AIX) IPv6 host addresses |