[plug] Multiple WAN IP's routed down DSL line

Leon Brooks leon at cyberknights.com.au
Wed Jul 6 11:34:11 WST 2005


On Wednesday 06 July 2005 11:16, Leon Brooks wrote:
> On Wednesday 06 July 2005 09:56, Shannon Carver wrote:
> This has the added advantage of automatically "firewalling" any ports
> on the target server which were unintentionally left open, and
> dropping any unwanted traffic at the firewall rather than sending it
> across the LAN for the target server to drop.

...and keeping external IP addresses off the LAN. Helps with filtering 
and diagnosis, too.

Another way to do your aliasing on the gateway, again without putting 
any external IP addresses on the LAN, is:

    ifconfig lo:0 $EXTERNALIP up

Cheers; Leon

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