From: "Jörg Harmuth" <harmuth@mnemon.de>
To: netfilter@lists.netfilter.org
Subject: Re: HOW to make 'Deleting conntrack rule' clear the state created from this rule
Date: Thu, 04 Aug 2005 12:15:10 +0200 [thread overview]
Message-ID: <42F1EAAE.5030103@mnemon.de> (raw)
In-Reply-To: <9C1918067C3BC14C9C351C206D8A8437377893@rennsmail03.eu.thmulti.com>
Allain Yoann schrieb:
> Hello all,
>
> You would be great if you could help me on this:
> I'm using these 3 rules:
>
> 1. iptables -P INPUT DROP
> 2. iptables -A INPUT -m state --state ESTABLISHED -j ACCEPT
> 3. iptables -A INPUT -p tcp --dport 23 -m state NEW,ESTABLISHED -j
> ACCEPT
>
>
> Then
> 4. Bob connects on my telnet...
> 5. I decide to suppress rule 3:
> iptables -DINPUT -p tcp --dport 23 -m state NEW,ESTABLISHED -j
> ACCEPT
>
> 6. Packets from Bob are still accepted because of rule 2. But I need
> this rule (2) for my out-going connections responses.
>
> Is there a way to suppress the state which has been recorded for rule 3,
> when deleting this rule?
This breaks down to selectivly delete conntrack entries, right ? Harald
Welte posted on this topic:
https://lists.netfilter.org/pipermail/netfilter/2005-July/061538.html
HTH and have a nice time,
Joerg
parent reply other threads:[~2005-08-04 10:15 UTC|newest]
Thread overview: expand[flat|nested] mbox.gz Atom feed
[parent not found: <9C1918067C3BC14C9C351C206D8A8437377893@rennsmail03.eu.thmulti.com>]
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