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From: Pablo Neira <pablo@eurodev.net>
To: Krzysztof Oledzki <ole@ans.pl>
Cc: Netfilter Development Mailinglist <netfilter-devel@lists.netfilter.org>
Subject: Re: REJECT using invalid data
Date: Wed, 08 Dec 2004 00:54:09 +0100	[thread overview]
Message-ID: <41B642A1.9030807@eurodev.net> (raw)
In-Reply-To: <Pine.LNX.4.53.0412072347080.2736@bizon.gios.gov.pl>

Krzysztof Oledzki wrote:

>I'm not sure if changing "-j REJECT" to drop invalid tcp packets is good
>idea since we have -m unclean and we can drop such packets explicitly
>with this match.
>

unclean was removed from 2.6 series

> And what about other protocols (udp, etc) when REJECT
>generates ICMP port-unreachable?
>  
>

you are right, udp stuff is missing, checkings here are trivial to add 
anyway. I'll think about this issue more carefully in next days.

--
Pablo

       reply	other threads:[~2004-12-07 23:54 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <Pine.LNX.4.53.0412072347080.2736@bizon.gios.gov.pl>
2004-12-07 23:54 ` Pablo Neira [this message]
2004-12-08  0:33   ` REJECT using invalid data Krzysztof Oledzki
2004-12-08  0:52   ` Simon Kirby
     [not found]     ` <Pine.LNX.4.53.0412101310210.1288@bizon.gios.gov.pl>
2004-12-10 13:10       ` Simon Kirby
     [not found]         ` <Pine.LNX.4.53.0412101439530.6072@bizon.gios.gov.pl>
2004-12-10 14:49           ` Simon Kirby
2004-12-07  1:01 Simon Kirby
2004-12-07 11:07 ` Pablo Neira
2004-12-07 17:28   ` Simon Kirby
2004-12-07 22:14     ` Pablo Neira
2004-12-08  2:47       ` Kiran Kumar Immidi

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