IPFW portforwarding / kernel question

[mailist at whoweb.com]

I'd suggest using port forwarding with NATD instead since I'm assuming you are 
already running NAT between 192.168.1.1 and your ADSL public address.  The 
natd man page covers port and address forwarding pretty well.


On Sunday 22 August 2004 10:02 am, Henk wrote:
> Dear FreeBSD addict,
>
> I am running FreeBSD 4.9-RELEASE on a machine with 4 ehternet devices.
> 192.168.1.1 is connected to my ADSL router. My FreeBSD machine nicely
> routs all traffic between the 4 devices.
>  rl0 192.168.1.1/24 (WAN-side)
>  rl1 10.0.10.1/24 (LAN)
>  rl2 10.0.20.1/24 (LAN)
>  rl3 10.0.30.1/24 (LAN)
>
> My wish is to forward all incoming tcp traffic that arrives on
> 192.168.1.1:4265 to 10.0.10.151:4265 in the local network.
>
> Question 1:
> Can somebody help me out with the right ipfw command to achieve this (or a
> link to where *forwarding* is explained).
>
> Question 2:
> Do I need to recompile my kernel with the IPFIREWALL_FORWARD option?
>
> My kernel is compiled with the following options:
>  # options for IPFW / NATD
>  options         IPFIREWALL
>  options         IPFIREWALL_VERBOSE
>  options         IPFIREWALL_VERBOSE_LIMIT=10
>  options         IPDIVERT
>
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