From: "Artūras Šlajus" <x11@arturaz.net>
To: netfilter@vger.kernel.org
Subject: Re: Mystics of packet forwarding
Date: Wed, 07 Jan 2009 10:43:32 +0200 [thread overview]
Message-ID: <49646B34.4080906@arturaz.net> (raw)
In-Reply-To: <4963B3EB.6090806@arturaz.net>
Some more debugging info:
netcat to digg.com 80 with no firewall (TRACE target on raw OUTPUT)
Jan 6 22:19:36 gw TRACE: raw:OUTPUT:policy:2 IN= OUT=eth1 MAC=
SRC=87.247.77.88 DST=64.191.203.30 LEN=60 TOS=00 PREC=0x00 TTL=64 ID=39286 CE DF
PROTO=TCP SPT=50725 DPT=80 SEQ=3378687857 ACK=0 WINDOW=5840 SYN URGP=0
Jan 6 22:19:36 gw TRACE: mangle:OUTPUT:policy:1 IN= OUT=eth1 MAC=
SRC=87.247.77.88 DST=64.191.203.30 LEN=60 TOS=00 PREC=0x00 TTL=64 ID=39286 CE DF
PROTO=TCP SPT=50725 DPT=80 SEQ=3378687857 ACK=0 WINDOW=5840 SYN URGP=0
Jan 6 22:19:36 gw TRACE: nat:OUTPUT:policy:1 IN= OUT=eth1 MAC=
SRC=87.247.77.88 DST=64.191.203.30 LEN=60 TOS=00 PREC=0x00 TTL=64 ID=39286 CE DF
PROTO=TCP SPT=50725 DPT=80 SEQ=3378687857 ACK=0 WINDOW=5840 SYN URGP=0
Jan 6 22:19:36 gw TRACE: filter:OUTPUT:policy:1 IN= OUT=eth1 MAC=
SRC=87.247.77.88 DST=64.191.203.30 LEN=60 TOS=00 PREC=0x00 TTL=64 ID=39286 CE DF
PROTO=TCP SPT=50725 DPT=80 SEQ=3378687857 ACK=0 WINDOW=5840 SYN URGP=0
Jan 6 22:19:36 gw TRACE: mangle:POSTROUTING:policy IN= OUT=eth1 MAC=
SRC=87.247.77.88 DST=64.191.203.30 LEN=60 TOS=00 PREC=0x00 TTL=64 ID=39286 CE DF
PROTO=TCP SPT=50725 DPT=80 SEQ=3378687857 ACK=0 WINDOW=5840 SYN URGP=0
Jan 6 22:19:36 gw TRACE: nat:POSTROUTING:policy:1 IN= OUT=eth1 MAC=
SRC=87.247.77.88 DST=64.191.203.30 LEN=60 TOS=00 PREC=0x00 TTL=64 ID=39286 CE DF
PROTO=TCP SPT=50725 DPT=80 SEQ=3378687857 ACK=0 WINDOW=5840 SYN URGP=0
Jan 6 22:19:36 gw TRACE: raw:OUTPUT:policy:2 IN= OUT=eth1 MAC=
SRC=87.247.77.88 DST=64.191.203.30 LEN=40 TOS=00 PREC=0x00 TTL=64 ID=39287 CE DF
PROTO=TCP SPT=50725 DPT=80 SEQ=3378687858 ACK=2594171353 WINDOW=5840 ACK URGP=0
Jan 6 22:19:36 gw TRACE: mangle:OUTPUT:policy:1 IN= OUT=eth1 MAC=
SRC=87.247.77.88 DST=64.191.203.30 LEN=40 TOS=00 PREC=0x00 TTL=64 ID=39287 CE DF
PROTO=TCP SPT=50725 DPT=80 SEQ=3378687858 ACK=2594171353 WINDOW=5840 ACK URGP=0
Jan 6 22:19:36 gw TRACE: filter:OUTPUT:policy:1 IN= OUT=eth1 MAC=
SRC=87.247.77.88 DST=64.191.203.30 LEN=40 TOS=00 PREC=0x00 TTL=64 ID=39287 CE DF
PROTO=TCP SPT=50725 DPT=80 SEQ=3378687858 ACK=2594171353 WINDOW=5840 ACK URGP=0
Jan 6 22:19:36 gw TRACE: mangle:POSTROUTING:policy IN= OUT=eth1 MAC=
SRC=87.247.77.88 DST=64.191.203.30 LEN=40 TOS=00 PREC=0x00 TTL=64 ID=39287 CE DF
PROTO=TCP SPT=50725 DPT=80 SEQ=3378687858 ACK=2594171353 WINDOW=5840 ACK URGP=0
Jan 6 22:19:41 gw TRACE: raw:OUTPUT:policy:2 IN= OUT=eth1 MAC=
SRC=87.247.77.88 DST=64.191.203.30 LEN=40 TOS=00 PREC=0x00 TTL=64 ID=39288 CE DF
PROTO=TCP SPT=50725 DPT=80 SEQ=3378687858 ACK=2594171353 WINDOW=5840 ACK FIN URGP=0
Jan 6 22:19:41 gw TRACE: mangle:OUTPUT:policy:1 IN= OUT=eth1 MAC=
SRC=87.247.77.88 DST=64.191.203.30 LEN=40 TOS=00 PREC=0x00 TTL=64 ID=39288 CE DF
PROTO=TCP SPT=50725 DPT=80 SEQ=3378687858 ACK=2594171353 WINDOW=5840 ACK FIN URGP=0
Jan 6 22:19:41 gw TRACE: filter:OUTPUT:policy:1 IN= OUT=eth1 MAC=
SRC=87.247.77.88 DST=64.191.203.30 LEN=40 TOS=00 PREC=0x00 TTL=64 ID=39288 CE DF
PROTO=TCP SPT=50725 DPT=80 SEQ=3378687858 ACK=2594171353 WINDOW=5840 ACK FIN URGP=0
Jan 6 22:19:41 gw TRACE: mangle:POSTROUTING:policy IN= OUT=eth1 MAC=
SRC=87.247.77.88 DST=64.191.203.30 LEN=40 TOS=00 PREC=0x00 TTL=64 ID=39288 CE DF
PROTO=TCP SPT=50725 DPT=80 SEQ=3378687858 ACK=2594171353 WINDOW=5840 ACK FIN URGP=0
Jan 6 22:19:41 gw TRACE: raw:OUTPUT:policy:2 IN= OUT=eth1 MAC=
SRC=87.247.77.88 DST=64.191.203.30 LEN=40 TOS=00 PREC=0x00 TTL=64 ID=39289 CE DF
PROTO=TCP SPT=50725 DPT=80 SEQ=3378687859 ACK=2594171354 WINDOW=5840 ACK URGP=0
Jan 6 22:19:41 gw TRACE: mangle:OUTPUT:policy:1 IN= OUT=eth1 MAC=
SRC=87.247.77.88 DST=64.191.203.30 LEN=40 TOS=00 PREC=0x00 TTL=64 ID=39289 CE DF
PROTO=TCP SPT=50725 DPT=80 SEQ=3378687859 ACK=2594171354 WINDOW=5840 ACK URGP=0
Jan 6 22:19:41 gw TRACE: filter:OUTPUT:policy:1 IN= OUT=eth1 MAC=
SRC=87.247.77.88 DST=64.191.203.30 LEN=40 TOS=00 PREC=0x00 TTL=64 ID=39289 CE DF
PROTO=TCP SPT=50725 DPT=80 SEQ=3378687859 ACK=2594171354 WINDOW=5840 ACK URGP=0
Jan 6 22:19:41 gw TRACE: mangle:POSTROUTING:policy IN= OUT=eth1 MAC=
SRC=87.247.77.88 DST=64.191.203.30 LEN=40 TOS=00 PREC=0x00 TTL=64 ID=39289 CE DF
PROTO=TCP SPT=50725 DPT=80 SEQ=3378687859 ACK=2594171354 WINDOW=5840 ACK URGP=0
with firewall
Jan 6 22:20:28 gw TRACE: raw:OUTPUT:policy:2 IN= OUT=eth1 MAC=
SRC=87.247.77.88 DST=64.191.203.30 LEN=60 TOS=00 PREC=0x00 TTL=64 ID=24393 DF
PROTO=TCP SPT=58290 DPT=80 SEQ=4208670647 ACK=0 WINDOW=5840 SYN URGP=0
Jan 6 22:20:28 gw TRACE: mangle:OUTPUT:policy:1 IN= OUT=eth1 MAC=
SRC=87.247.77.88 DST=64.191.203.30 LEN=60 TOS=00 PREC=0x00 TTL=64 ID=24393 DF
PROTO=TCP SPT=58290 DPT=80 SEQ=4208670647 ACK=0 WINDOW=5840 SYN URGP=0
Jan 6 22:20:28 gw TRACE: nat:OUTPUT:policy:1 IN= OUT=eth1 MAC=
SRC=87.247.77.88 DST=64.191.203.30 LEN=60 TOS=00 PREC=0x00 TTL=64 ID=24393 DF
PROTO=TCP SPT=58290 DPT=80 SEQ=4208670647 ACK=0 WINDOW=5840 SYN URGP=0
Jan 6 22:20:28 gw TRACE: filter:OUTPUT:policy:1 IN= OUT=eth1 MAC=
SRC=87.247.77.88 DST=64.191.203.30 LEN=60 TOS=00 PREC=0x00 TTL=64 ID=24393 DF
PROTO=TCP SPT=58290 DPT=80 SEQ=4208670647 ACK=0 WINDOW=5840 SYN URGP=0
Jan 6 22:20:28 gw TRACE: mangle:POSTROUTING:policy IN= OUT=eth1 MAC=
SRC=87.247.77.88 DST=64.191.203.30 LEN=60 TOS=00 PREC=0x00 TTL=64 ID=24393 DF
PROTO=TCP SPT=58290 DPT=80 SEQ=4208670647 ACK=0 WINDOW=5840 SYN URGP=0
Jan 6 22:20:28 gw TRACE: nat:POSTROUTING:policy:2 IN= OUT=eth1 MAC=
SRC=87.247.77.88 DST=64.191.203.30 LEN=60 TOS=00 PREC=0x00 TTL=64 ID=24393 DF
PROTO=TCP SPT=58290 DPT=80 SEQ=4208670647 ACK=0 WINDOW=5840 SYN URGP=0
Jan 6 22:20:31 gw TRACE: raw:OUTPUT:policy:2 IN= OUT=eth1 MAC=
SRC=87.247.77.88 DST=64.191.203.30 LEN=60 TOS=00 PREC=0x00 TTL=64 ID=24394 DF
PROTO=TCP SPT=58290 DPT=80 SEQ=4208670647 ACK=0 WINDOW=5840 SYN URGP=0
Jan 6 22:20:31 gw TRACE: mangle:OUTPUT:policy:1 IN= OUT=eth1 MAC=
SRC=87.247.77.88 DST=64.191.203.30 LEN=60 TOS=00 PREC=0x00 TTL=64 ID=24394 DF
PROTO=TCP SPT=58290 DPT=80 SEQ=4208670647 ACK=0 WINDOW=5840 SYN URGP=0
Jan 6 22:20:31 gw TRACE: filter:OUTPUT:policy:1 IN= OUT=eth1 MAC=
SRC=87.247.77.88 DST=64.191.203.30 LEN=60 TOS=00 PREC=0x00 TTL=64 ID=24394 DF
PROTO=TCP SPT=58290 DPT=80 SEQ=4208670647 ACK=0 WINDOW=5840 SYN URGP=0
Jan 6 22:20:31 gw TRACE: mangle:POSTROUTING:policy IN= OUT=eth1 MAC=
SRC=87.247.77.88 DST=64.191.203.30 LEN=60 TOS=00 PREC=0x00 TTL=64 ID=24394 DF
PROTO=TCP SPT=58290 DPT=80 SEQ=4208670647 ACK=0 WINDOW=5840 SYN URGP=0
Jan 6 22:20:37 gw TRACE: raw:OUTPUT:policy:2 IN= OUT=eth1 MAC=
SRC=87.247.77.88 DST=64.191.203.30 LEN=60 TOS=00 PREC=0x00 TTL=64 ID=24395 DF
PROTO=TCP SPT=58290 DPT=80 SEQ=4208670647 ACK=0 WINDOW=5840 SYN URGP=0
Jan 6 22:20:37 gw TRACE: mangle:OUTPUT:policy:1 IN= OUT=eth1 MAC=
SRC=87.247.77.88 DST=64.191.203.30 LEN=60 TOS=00 PREC=0x00 TTL=64 ID=24395 DF
PROTO=TCP SPT=58290 DPT=80 SEQ=4208670647 ACK=0 WINDOW=5840 SYN URGP=0
Jan 6 22:20:37 gw TRACE: filter:OUTPUT:policy:1 IN= OUT=eth1 MAC=
SRC=87.247.77.88 DST=64.191.203.30 LEN=60 TOS=00 PREC=0x00 TTL=64 ID=24395 DF
PROTO=TCP SPT=58290 DPT=80 SEQ=4208670647 ACK=0 WINDOW=5840 SYN URGP=0
Jan 6 22:20:37 gw TRACE: mangle:POSTROUTING:policy IN= OUT=eth1 MAC=
SRC=87.247.77.88 DST=64.191.203.30 LEN=60 TOS=00 PREC=0x00 TTL=64 ID=24395 DF
PROTO=TCP SPT=58290 DPT=80 SEQ=4208670647 ACK=0 WINDOW=5840 SYN URGP=0
It seems that it never goes to ack somehow :(
next prev parent reply other threads:[~2009-01-07 8:43 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-01-06 19:41 Mystics of packet forwarding Artūras Šlajus
2009-01-06 20:54 ` Billy Crook
2009-01-06 22:20 ` Artūras Šlajus
2009-01-06 22:52 ` Artūras Šlajus
2009-01-07 6:15 ` Amos Jeffries
2009-01-07 8:00 ` Ivan Petrushev
2009-01-07 8:50 ` Artūras Šlajus
2009-01-07 8:43 ` Artūras Šlajus [this message]
2009-01-07 9:28 ` Artūras Šlajus
2009-01-07 10:51 ` Ivan Petrushev
2009-01-07 11:26 ` Roman Fiedler
2009-01-07 13:59 ` Billy Crook
2009-01-07 15:07 ` Mart Frauenlob
2009-01-07 15:52 ` Ivan Petrushev
2009-01-07 22:36 ` Artūras Šlajus
2009-01-08 1:26 ` /dev/rob0
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=49646B34.4080906@arturaz.net \
--to=x11@arturaz.net \
--cc=netfilter@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox