Which interface do I put natd and ipfw

[Extech]

Check this doc out:

http://www.schlacter.net/public/FreeBSD-STABLE_and_IPFILTER.html 


Extech


*********** REPLY SEPARATOR  ***********

On 2004/02/02 at 23:44 Emmanuel Dwamena wrote:

>Dear friends,
>I need help to set up firewall on my freebsd 5.1 box. I have built new
>kernel 
>with ipfw enabled and is working fine.
>I need to know which of the 3 interfaces do I put the natd and ipfw. 
>My freebsd 5.1 box has 2 nic cards. ed0 connects to LAN and ed1 connects
>to 
>adsl modem. I use user ppp to setup the connection to the isp who assigns 
>dynamic ip address to the tun0 interface. I have no ip address assigned to 
>ed1. I have traffc coming in through the tun0 from outside  to the LAN.
>Which 
>of the interfaces do I use to block unwanted traffic from the internet.-
>ed1 
>or tun0? How do I configure the tun0 interface for the firewall since I do 
>not know the interface address before hand? Secondly which interface do I 
>place natd? 
>If anyone has configured adsl with dynamic ip address assigned to tun0 I
>will 
>like to have some info about how it was configured with ipfw.
>regds
>ed
>-- 
>email: dwamenae at gco.apana.org.au
>
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