Firewall

[Erik Norgaard]

Hèrvé Simplice van der Eijk wrote:
> on 1 machine I set up a freebsd 5.4  server  with dhcp, dns, ldap running on 
> it.
> 
> on an other machine I set up apachy webserver and both are working fine.
> 
> when I'm making an http request on a windows client (internet explore) it 
> shows my web site.
> 
> but since I install ipfw firewall on my freebsd 5.4 (dhcp, dns ldap server) 
> my windows client
> cant reach my webserver anymore.
> 
> Please can somebody tell me wich port I have to open up in my firewall.

You don't only need to open a port, you also need to enable routing, I 
assume your setup is like this:

Client ---- FBSD ---- Apache

You need to open port 80 (default) for the destination ip (the Apache 
host) and enable routing in the kernel:

# sysctl net.inet.ip.forwarding=1

set this in /etc/sysctl.conf to enable on reboot. How to do the routing 
with ipfw I don't know, I use packet filter.

Cheers, Erik

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