Iptables :: priority of rules

[Tim]

On Fri, 2007-02-23 at 11:26 +0100, Luc MAIGNAN wrote:
> I don't understand how the priority of the rules of iptables is set.
> 
> My problem : I want to allow ssh from my local network(1), and from 
> outside only for an IP(2)
> 
> So i Wrote :
> 
> (1) : iptables -I INPUT -p tcp -s 192.168.0.0/24 --dport ssh -j ACCEPT
> (2) : iptables -I INPUT -p tcp -s ! x.x.x.x --dport ssh -j DROP
> 
> The result is that I can ssh only from the ousided IP, not from local 
> network. If I switch the two rules, the result is the same.
> 
> Can anyone help me to understand ?

You can have a default drop rule on all input traffic, then add a couple
of specific rules to allow it from your local network, and another to
allow it from a specific address.

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