# Forwarding Rules # Use this file to set up network address translation rules # Use tabs or single space to separate # # # # Action: Required ( ACCEPT | DROP ) # Source Interface: Optional ( interface name, aka eth0 ) # Source Address: Optional ( IP address with optional netmask ) # Destination Interface: Optional ( interface name, aka eth0 ) # Destination Address: Optional ( IP address with optional netmask ) # Syn: Optional, only match (not) syn packets (syn | notsyn ) # Bidirectional: Optional ( yes | no, defaults to no if '-' ) # You can use '-' for optional fields #============================================================ # #ACCEPT eth0 - eth1 - yes #DROP eth1 192.168.2.0/24 eth0 0/0 no