Iptables :: priority of rules

[Luc MAIGNAN]

Sorry for the information I've forgotten to give to you. I've set the 
INPUT policy to DROP

BR


Res a écrit :
> On Fri, 23 Feb 2007, Luc MAIGNAN wrote:
>
>> In fact, isn't what I wrote ?
>>
>
> No, I believe Tim meant a default drop "policy" then the rules you add 
> are accepts.
>
> eg:
> iptables -P INPUT DROP
> iptables -A INPUT -s 192.168.0.0/24 -j ACCEPT
> iptables -A INPUT -s special.ip.allowed -j ACCEPT
>
>
>>
>>
>>
>> Tim a écrit :
>>> 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.
>>>
>>>
>>
>>
>