Red Hat Enterprise Linux 5 Administration Unleashed

572helper match extension (IPTables)helper match extension (IPTables), 485helpfile files (/etc/mail directory), 370Hide filesystems beneath option (NFS ServerConfiguration graphical tool, General Optionstab), 298hide_ids directive (vsftpd.conf command), 389history command, 106holding disks, 227/home directory, structuring, 218-219hostname resolutionBIND configuration, 340control channels, 344graphical configuration, 349-351logging connections, 351-354named.conf file, 342-344named.conf files, 341rndc configuration, 346-347starting/stopping DNS servers, 349,351views, 345zones, 345-346DNS servers, 339-340HTTP server, kickstart Linux installations, 50Hyper-Threading Technology, processors,200-202II/O, troubleshooting transfer rates, 557icmp match extension (IPTables), 485Icov application monitoring/debugging tool, 460identity managementAuthentication Configuration tool, 287-288Authenticate System Accounts byNetwork Services option, 289Cache User Information option, 289command-line version, 289-292Local Authorization is Sufficient for LocalUsers option, 289Use MD5 Passwords option, 289Use Shadow Passwords option, 289Kerberosallowing connections, 278credentials, 278KDC, 278logging connections, 284-285realms, 278server configuration, 279-283server connections, 284TGS, 278TGT, 278LDAPallowing connections, 266customizing logging, 277server configuration, 267-276server connections, 276NISadding slave servers, 261-262allowing connections, 258autofs, 264-266database creation, 259-260restricting server access, 262-263SELinux, 257server configuration, 258-261server connections, 263-264PAM, 255-257SMB authentication, 285-286Winbind authentication, 286if/then statements. See conditionalsifconfig command, reporting networksubsystems, 415-416ignoredisk command (kickstart), 41IMAP (Internet Message Access Protocol),374-375