From: Patrick McHardy <kaber@trash.net>
To: Kris Op de Beeck <kris.op.de.beeck@newtec.eu>
Cc: Ulrik De Bie <ulrik.debie@newtec.eu>,
netdev@vger.kernel.org,
Netfilter Development Mailinglist
<netfilter-devel@vger.kernel.org>
Subject: Re: DNAT sporadically doesn't replace destination IP address
Date: Thu, 22 May 2008 17:28:58 +0200 [thread overview]
Message-ID: <4835913A.4020909@trash.net> (raw)
In-Reply-To: <4835ABD2.B932.00FE.0@newtec.eu>
Kris Op de Beeck wrote:
>
>>>> On 22/05/2008 at 16:57, in message <483589C0.4080006@trash.net>, Patrick
> McHardy <kaber@trash.net> wrote:
>> Please try loading ipt_LOG and executing
>>
>> "echo 255 >/proc/sys/net/netfilter/nf_conntrack_log_invalid"
>>
>> and see if something shows up in the ringbuffer.
>
> [ 917.584000] nf_ct_tcp: invalid SYNIN= OUT= SRC=192.168.1.23 DST=10.9.9.22 LEN=60 TOS=0x00 PREC=0x00 TTL=64 ID=3257 DF PROTO=TCP SPT=40018 DPT=80 SEQ=1136088214 ACK=0 WINDOW=5840 RES=0x00 SYN URGP=0 OPT (020405B40402080A00025B1C0000000001030307) UID=1000
> [ 918.800000] nf_ct_tcp: invalid SYNIN= OUT= SRC=192.168.1.22 DST=10.9.9.21 LEN=60 TOS=0x00 PREC=0x00 TTL=64 ID=26411 DF PROTO=TCP SPT=47713 DPT=80 SEQ=1041054567 ACK=0 WINDOW=5840 RES=0x00 SYN URGP=0 OPT (020405B40402080A00025C4C0000000001030307) UID=1000
> [ 921.800000] nf_ct_tcp: invalid SYNIN= OUT= SRC=192.168.1.22 DST=10.9.9.21 LEN=60 TOS=0x00 PREC=0x00 TTL=64 ID=26412 DF PROTO=TCP SPT=47713 DPT=80 SEQ=1041054567 ACK=0 WINDOW=5840 RES=0x00 SYN URGP=0 OPT (020405B40402080A00025F3A0000000001030307) UID=1000
> [ 924.204000] nf_ct_tcp: invalid SYNIN= OUT= SRC=192.168.1.30 DST=10.9.9.29 LEN=60 TOS=0x00 PREC=0x00 TTL=64 ID=25744 DF PROTO=TCP SPT=52775 DPT=80 SEQ=2154890499 ACK=0 WINDOW=5840 RES=0x00 SYN URGP=0 OPT (020405B40402080A000261930000000001030307) UID=1000
> [ 927.204000] nf_ct_tcp: invalid SYNIN= OUT= SRC=192.168.1.30 DST=10.9.9.29 LEN=60 TOS=0x00 PREC=0x00 TTL=64 ID=25745 DF PROTO=TCP SPT=52775 DPT=80 SEQ=2154890499 ACK=0 WINDOW=5840 RES=0x00 SYN URGP=0 OPT (020405B40402080A000264810000000001030307) UID=1000
>
> For those DST ip addresses I've got failures
Which kernel is this test running on? That message
is gone since 2.6.22.
next prev parent reply other threads:[~2008-05-22 15:28 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-05-22 14:33 DNAT sporadically doesn't replace destination IP address Kris Op de Beeck
2008-05-22 14:57 ` Patrick McHardy
2008-05-22 15:22 ` Kris Op de Beeck
2008-05-22 15:28 ` Patrick McHardy [this message]
2008-05-22 15:34 ` Kris Op de Beeck
2008-05-22 15:36 ` Patrick McHardy
2008-05-22 16:29 ` Patrick McHardy
2008-05-22 17:45 ` Kris Op de Beeck
2008-05-23 14:16 ` Kris Op de Beeck
2008-05-26 14:21 ` Patrick McHardy
2008-05-27 14:27 ` Kris Op de Beeck
2008-05-27 14:44 ` Patrick McHardy
2008-05-29 10:12 ` Kris Op de Beeck
-- strict thread matches above, loose matches on Subject: below --
2008-05-26 12:11 Ulrik De Bie
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