Provided by:
shorewall-common_4.0.15-1_all 
NAME
netmap - Shorewall NETMAP definition file
SYNOPSIS
/etc/shorewall/netmap
DESCRIPTION
This file is used to map addresses in one network to corresponding
addresses in a second network.
Warning
To use this file, your kernel and iptables must have NETMAP support
included.
The columns in the file are as follows.
TYPE - DNAT|SNAT
Must be DNAT or SNAT.
If DNAT, traffic entering INTERFACE and addressed to NET1 has it´s
destination address rewritten to the corresponding address in NET2.
If SNAT, traffic leaving INTERFACE with a source address in NET1
has it´s source address rewritten to the corresponding address in
NET2.
NET1 - network-address
Network in CIDR format (e.g., 192.168.1.0/24).
INTERFACE - interface
The name of a network interface. The interface must be defined in
shorewall-interfaces[1](5). Beginnins with Shorewall 4.1.4, a
comma-separated list of interfaces may also be entered in this
column.
NET2 - network-address
Network in CIDR format
FILES
/etc/shorewall/netmap
SEE ALSO
http://shorewall.net/netmap.html
shorewall(8), shorewall-accounting(5), shorewall-actions(5),
shorewall-blacklist(5), shorewall-hosts(5), shorewall-interfaces(5),
shorewall-ipsec(5), shorewall-maclist(5), shorewall-masq(5),
shorewall-nat(5), shorewall-params(5), shorewall-policy(5),
shorewall-providers(5), shorewall-proxyarp(5),
shorewall-route_rules(5), shorewall-routestopped(5),
shorewall-rules(5), shorewall.conf(5), shorewall-tcclasses(5),
shorewall-tcdevices(5), shorewall-tcrules(5), shorewall-tos(5),
shorewall-tunnels(5), shorewall-zones(5)
NOTES
1. shorewall-interfaces
shorewall-interfaces.html
12/15/2008 SHOREWALL-NETMAP(5)