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Re: Iptables :: priority of rules



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.

-- 
(This PC runs FC4, my others FC5 & FC6, in case that's important
 to the thread)

Don't send private replies to my address, the mailbox is ignored.
I read messages from the public lists.


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