From: Patrick McHardy <kaber@trash.net>
To: "Thomas Bätzler" <t.baetzler@bringe.com>
Cc: netfilter@vger.kernel.org
Subject: Re: Weird nat/conntrack Problem with PASV FTP upload
Date: Fri, 06 Jun 2008 17:02:12 +0200 [thread overview]
Message-ID: <48495174.30909@trash.net> (raw)
In-Reply-To: <484941F6.9080701@bringe.com>
Thomas Bätzler wrote:
> Patrick McHardy wrote:
>> I guess you're seeing INVALID packets (from the view of conntrack)
>> and they're thus not NATed but delivered locally, causing a RST.
>> Does dropping -m state --state INVALID packets in PREROUTING make
>> any difference?
>
> I've tried that for a day, to no avail:
> ..
> My nat rules currently look like this:
>
> iptables -t nat -A PREROUTING -m state --state INVALID -j LOG
> iptables -t nat -A PREROUTING -m state --state INVALID -j DROP
These rules need to go in mangle, that nat table is only
traversed for the first packet of a connection.
next prev parent reply other threads:[~2008-06-06 15:02 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-06-05 9:02 Weird nat/conntrack Problem with PASV FTP upload Thomas Bätzler
2008-06-05 13:59 ` Patrick McHardy
2008-06-06 13:56 ` Thomas Bätzler
2008-06-06 15:02 ` Patrick McHardy [this message]
2008-06-09 9:06 ` Jan Engelhardt
2008-06-09 9:09 ` Patrick McHardy
2008-06-09 12:38 ` Jan Engelhardt
-- strict thread matches above, loose matches on Subject: below --
2008-06-09 8:58 Thomas Bätzler
2008-06-09 9:14 ` Jozsef Kadlecsik
2008-06-09 10:36 Thomas Bätzler
2008-06-09 11:21 ` Jozsef Kadlecsik
2008-06-09 12:35 Thomas Bätzler
2008-06-09 12:53 ` Jozsef Kadlecsik
2008-06-10 8:28 ` Jozsef Kadlecsik
2008-06-11 8:50 ` Thomas Bätzler
2008-06-23 10:49 ` Jozsef Kadlecsik
2008-06-23 13:46 ` Thomas Bätzler
2008-06-25 9:47 ` Thomas Bätzler
2008-06-25 9:50 ` Jozsef Kadlecsik
2008-06-23 12:50 ` Thomas Bätzler
2008-06-23 13:15 ` Jozsef Kadlecsik
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