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From: Mart Frauenlob <mart.frauenlob@chello.at>
To: netfilter@vger.kernel.org
Subject: Re: Synflood filtering and Conntrack
Date: Fri, 30 Jul 2010 00:18:30 +0200	[thread overview]
Message-ID: <4C51FE36.4000500@chello.at> (raw)
In-Reply-To: <alpine.DEB.2.00.1007291723040.32027@blackhole.kfki.hu>

> On Thu, 29 Jul 2010, Jan Engelhardt wrote:

> They are not destroyed on DROP, and you can easily check that.

YOU could have easily check that - arrogant brick!!!

>>>>> 2 minutes it is.

[...]

> Think. -m conntrack --ctstate NEW would not work if the ct only
> sprung into existence once it is confirmed.

Think yourself.

[...]

> Oh we'll all die of earlier arthritis now...

arrogant bs

[...]

>> But the ct entry must undoubtly exist to be able to match -m conntrack
>> --ctstate NEW.
 >> Perhaps it's just that conntrack(8) won't show it?

Now it's the others... of course.


 > On Thu, 29 Jul 2010, Jozsef Kadlecsik wrote:

> I don't see why it looks soo complicated: of course, a ct entry is created
> by conntrack whenever a new connection is detected. And of course the
> entry is destroyed if the packet, which triggered to create the new entry,
> is dropped by a rule. Why should the conntrack entry be kept, if the
> connection is not allowed by the rules?
>
> The new ct entries are kept in the unconfirmed list and only added to the
> conntrack hash iff the entry will be confirmed, that is the entry-creating
> packet won't be dropped by a rule.

roflmao

Jan: shame, shame, shame - shame on you!


Thanks Pascal, Josef



  parent reply	other threads:[~2010-07-29 22:18 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-07-27 22:29 Synflood filtering and Conntrack Dennis J.
2010-07-28  5:24 ` Mart Frauenlob
2010-07-28  6:11   ` Jan Engelhardt
2010-07-28 13:30     ` Pascal Hambourg
2010-07-28 14:10       ` Jan Engelhardt
2010-07-28 14:27         ` Pascal Hambourg
2010-07-29 11:11     ` Mart Frauenlob
2010-07-29 11:21       ` Jan Engelhardt
2010-07-29 11:31         ` Mart Frauenlob
2010-07-29 12:34           ` Pascal Hambourg
2010-07-29 12:49             ` Jan Engelhardt
2010-07-29 13:16               ` Pascal Hambourg
2010-07-29 15:50               ` Jozsef Kadlecsik
2010-07-29 17:14                 ` Gáspár Lajos
2010-07-29 17:52                   ` Jozsef Kadlecsik
2010-07-29 22:18                 ` Mart Frauenlob [this message]
2010-07-29 23:19                 ` Pascal Hambourg
2010-07-30 10:32                   ` Jozsef Kadlecsik

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