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From: "\"Oleg A. Arkhangelsky\"" <sysoleg@yandex.ru>
To: Hans de Bruin <jmdebruin@xmsnet.nl>, netfilter@vger.kernel.org
Subject: Re: packets skipping dnat rule and someting else
Date: Sat, 24 Sep 2011 19:23:10 +0400	[thread overview]
Message-ID: <647511316877790@web18.yandex.ru> (raw)
In-Reply-To: <4E7DE255.1070805@xmsnet.nl>



24.09.2011, 17:59, "Hans de Bruin" <jmdebruin@xmsnet.nl>:

> [22734.688709] CHAINv4=in_int IN=eth3 OUT=
> MAC=00:30:18:a6:c0:f2:00:0e:00:00:00:01:08:00 SRC=186.207.156.227
> DST=92.254.124.152 LEN=40 TOS=0x00 PREC=0x00 TTL=112 ID=27025 DF
> PROTO=TCP SPT=62434 DPT=16881 WINDOW=0 RES=0x00 RST URGP=0

This packet doesn't belong to any valid connection from conntrack point of
view. Maybe this RST is duplicated and conntrack entry was destroyed a
moment before.

You can use -m conntrack --ctstate INVALID to catch such packets.

-- 
wbr, Oleg.

  reply	other threads:[~2011-09-24 15:23 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-09-24 13:59 packets skipping dnat rule and someting else Hans de Bruin
2011-09-24 15:23 ` "Oleg A. Arkhangelsky" [this message]
2011-09-26 21:54   ` Hans de Bruin

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