[CentOS] iptables

[CentOS List]

<snip>

> Never (if you aren't guru) edit your iptables by directly editing your
> config. Always use iptables binary.
>
> It is said there... -t option shouldn't be on that line. The line should 
> be only 
> -A PREROUTING -p tcp --dport 26 -j REDIRECT --to-port 25
> because you're already in the *nat section of the config.
>
> But again, you should enter this command instead of editing the config:
> iptables -A PREROUTING -t nat -p tcp --dport 26 -j REDIRECT --to-port 25

Thanks Tomas and Christopher