Network Configuration Files

IP address, Network mask, Default gateway are in these files. May edit manually to
modify network parameters.

• /etc/rc.d/rc.inet1
• (Slackware)
• /etc/sysconfig/neworkscripts/
• ifcfg-eth0 (Redhat)

hostname is set by “/bin/hostname” during boot and the name is read from these files.

• /etc/HOSTNAME
• /etc/NETWORKING
• (Slackware)

May change manually.

• /etc/sysconfig/network (Redhat)

specify name server, DNS domain and search order.
For Example: search la.asu.edu
nameserver 129.219.17.200

• etc/resolv.conf

host name to IP mapping file.host name information look up order.
Example: order hosts, bind multi on

• /etc/hosts
• /etc/host.conf

new way to specify information source.

• /etc/nsswitch.conf

TCP/IP services and ports mapping.

• /etc/networks
• /etc/protocols
• /etc/services

RPC service name to their program numbers mapping.

• /etc/rpc