From mboxrd@z Thu Jan 1 00:00:00 1970 From: Eric Dumazet Subject: Re: [PATCH] TCP : use LIMIT_NETDEBUG in tcp_retransmit_timer() Date: Tue, 05 Jun 2007 09:07:26 +0200 Message-ID: <46650BAE.9070301@cosmosbay.com> References: <4663BBA4.70009@cosmosbay.com> <20070605.000027.59657229.davem@davemloft.net> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: QUOTED-PRINTABLE Cc: netdev@vger.kernel.org To: David Miller Return-path: Received: from gw1.cosmosbay.com ([86.65.150.130]:54639 "EHLO gw1.cosmosbay.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754765AbXFEHHf (ORCPT ); Tue, 5 Jun 2007 03:07:35 -0400 In-Reply-To: <20070605.000027.59657229.davem@davemloft.net> Sender: netdev-owner@vger.kernel.org List-Id: netdev.vger.kernel.org David Miller a =E9crit : > From: Eric Dumazet > Date: Mon, 04 Jun 2007 09:13:40 +0200 >=20 >> LIMIT_NETDEBUG allows the admin to disable some warning messages (ec= ho 0=20 >> >/proc/sys/net/core/warnings). >> >> The "TCP: Treason uncloaked!" message can use this facility. >> >> Signed-off-by: Eric Dumazet >=20 > That's pretty difficult to trigger remotely, and the last time > we saw a legitimate case of this it was actually a bug in the > Linux TCP stack which we've long since fixed. >=20 > I would rather not let people easily disable this, since it > finds bugs and I can't see someone seriously exploiting this > to spam your logs. >=20 > I suppose you disagree :) Well, I dont know.. Should I try to contact 222.39.111.164 and kindly ask him not to trigge= r this=20 annoying message ? Is this remote peer running an old linux, or is it a bug in the current= =20 linux-2.6.22-rc4 kernel that my server runs ? TCP: Treason uncloaked! Peer 222.39.111.164:3336/443 shrinks window=20 768445619:768445688. Repaired. TCP: Treason uncloaked! Peer 222.39.111.164:1557/443 shrinks window=20 979986676:979986745. Repaired. TCP: Treason uncloaked! Peer 222.39.111.164:2819/443 shrinks window=20 903113077:903113146. Repaired. TCP: Treason uncloaked! Peer 222.39.111.164:2303/443 shrinks window=20 919019510:919019579. Repaired. TCP: Treason uncloaked! Peer 222.39.111.164:2689/443 shrinks window=20 986306349:986306418. Repaired. TCP: Treason uncloaked! Peer 222.39.111.164:2811/443 shrinks window=20 1125084057:1125084126. Repaired. TCP: Treason uncloaked! Peer 222.39.111.164:2394/443 shrinks window=20 1141647532:1141647601. Repaired. TCP: Treason uncloaked! Peer 222.39.111.164:2928/443 shrinks window=20 1278301359:1278301428. Repaired. TCP: Treason uncloaked! Peer 222.39.111.164:3034/443 shrinks window=20 1408574195:1408574264. Repaired. TCP: Treason uncloaked! Peer 222.39.111.164:2942/443 shrinks window=20 1453238832:1453238901. Repaired. TCP: Treason uncloaked! Peer 222.39.111.164:3384/443 shrinks window=20 1883648213:1883648282. Repaired. TCP: Treason uncloaked! Peer 222.39.111.164:3069/443 shrinks window=20 1913770905:1913770974. Repaired. TCP: Treason uncloaked! Peer 222.39.111.164:2852/443 shrinks window=20 1956256538:1956256607. Repaired. TCP: Treason uncloaked! Peer 222.39.111.164:3485/443 shrinks window=20 2034019830:2034019899. Repaired. TCP: Treason uncloaked! Peer 222.39.111.164:3104/443 shrinks window=20 2054229702:2054229771. Repaired. TCP: Treason uncloaked! Peer 222.39.111.164:2897/443 shrinks window=20 2070392361:2070392430. Repaired. TCP: Treason uncloaked! Peer 222.39.111.164:3485/443 shrinks window=20 2034019830:2034019899. Repaired. TCP: Treason uncloaked! Peer 222.39.111.164:3626/443 shrinks window=20 2167403488:2167403557. Repaired. TCP: Treason uncloaked! Peer 222.39.111.164:3104/443 shrinks window=20 2054229702:2054229771. Repaired. TCP: Treason uncloaked! Peer 222.39.111.164:2897/443 shrinks window=20 2070392361:2070392430. Repaired. TCP: Treason uncloaked! Peer 222.39.111.164:3626/443 shrinks window=20 2167403488:2167403557. Repaired. TCP: Treason uncloaked! Peer 222.39.111.164:2991/443 shrinks window=20 2283637853:2283637922. Repaired. TCP: Treason uncloaked! Peer 222.39.111.164:3128/443 shrinks window=20 2283549171:2283549240. Repaired. TCP: Treason uncloaked! Peer 222.39.111.164:2991/443 shrinks window=20 2283637853:2283637922. Repaired. TCP: Treason uncloaked! Peer 222.39.111.164:3128/443 shrinks window=20 2283549171:2283549240. Repaired. TCP: Treason uncloaked! Peer 222.39.111.164:2991/443 shrinks window=20 2283637853:2283637922. Repaired. TCP: Treason uncloaked! Peer 222.39.111.164:3128/443 shrinks window=20 2283549171:2283549240. Repaired. TCP: Treason uncloaked! Peer 222.39.111.164:4075/443 shrinks window=20 2788112983:2788113052. Repaired. TCP: Treason uncloaked! Peer 222.39.111.164:4075/443 shrinks window=20 2788112983:2788113052. Repaired. TCP: Treason uncloaked! Peer 222.39.111.164:3786/443 shrinks window=20 2905215394:2905215463. Repaired. TCP: Treason uncloaked! Peer 222.39.111.164:4075/443 shrinks window=20 2788112983:2788113052. Repaired. TCP: Treason uncloaked! Peer 222.39.111.164:3786/443 shrinks window=20 2905215394:2905215463. Repaired.