[CentOS] block port forwarding?

[Eero Volotinen]

2010/2/25 Roland RoLaNd <r_o_l_a_n_d at hotmail.com>:
>
> Hello,
>
>  i have internet usage rules for all of my network.
> only 2 servers have full access to the internet..
> lately i've noticed that lots of traffic being produced by the servers ..
> is there a way to know whose using port forwarding to my server so they access the internet ?
> or is there a way to block people from doing such a thing ?

Err. Disable ip_forward&nat on server and limit connections on main firewall ..

--
Eero