loading, 181the own, 181default, 180MTA (see Mail Transfer Agent)MUA (see Mail User Agent)mwm, 101(see also X)Nnamed daemon (see BIND)named.conf (see BIND)nameserver (see BIND)NameVirtualHostApache configuration directive, 179net program, 269netfilter (see iptables)networkadditional resources, 130commands/sbin/ifdown, 128/sbin/ifup, 128/sbin/service network, 128configuration, 120functions, 129interfaces, 120alias, 125channel bonding, 124clone, 125dialup, 126Ethernet, 120IPsec, 122scripts, 119Network File System (see NFS)NFSadditional resources, 145installed documentation, 145related books, 146useful websites, 146client/etc/fstab, 140autofs, 140configuration, 139mount options, 142condrestart, 134how it works, 131introducing, 131portmap, 133reloading, 134required services, 132restarting, 134security, 143file permissions, 145host access, 143NFSv2/NFSv3 host access, 144NFSv4 host access, 144server configuration, 135/etc/exports, 135exportfs command, 138exportfs command with NFSv4, 139starting, 134status, 134stopping, 134TCP, 131UDP, 131NIC modules (see kernel modules)nmblookup program, 270non-secure Web serverdisabling, 183ntsysv, 10(see also services)Oobjects, dynamically shared (see DSOs)OpenLDAP (see LDAP)OpenSSH, 355(see also SSH)configuration files for, 359opt directory, 27OptionsApache configuration directive, 170OrderApache configuration directive, 171OS/400, 13(see also boot loaders)Ppacket filtering (see iptables)PAMadditional resources, 306installed documentation, 306useful websites, 307advantages of, 297403
