Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932351AbWH1Cmy (ORCPT ); Sun, 27 Aug 2006 22:42:54 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932365AbWH1Cmy (ORCPT ); Sun, 27 Aug 2006 22:42:54 -0400 Received: from c-67-177-35-222.hsd1.ut.comcast.net ([67.177.35.222]:58240 "EHLO ns1.utah-nac.org") by vger.kernel.org with ESMTP id S932351AbWH1Cmx (ORCPT ); Sun, 27 Aug 2006 22:42:53 -0400 Message-ID: <44F259C7.5090505@wolfmountaingroup.com> Date: Sun, 27 Aug 2006 20:49:43 -0600 From: "Jeffrey V. Merkey" User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.7.8) Gecko/20050513 Fedora/1.7.8-2 X-Accept-Language: en-us, en MIME-Version: 1.0 To: altendew CC: linux-kernel@vger.kernel.org Subject: Re: Server Attack References: <6011508.post@talk.nabble.com> In-Reply-To: <6011508.post@talk.nabble.com> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 5405 Lines: 148 altendew wrote: >Hi someone is currently sending requests to our server 20x a second. > >Here is what one of the logs look like. > >[CODE] >Host: 84.77.19.46 /signUp.php?ref=1945777 > Http Code: 403 Date: Aug 27 17:44:38 Http Version: HTTP/1.0 Size in >Bytes: - > Referer: - > Agent: Mozilla/5.0 (Macintosh; MTQ; PPC Mac OS X; en-US) AppleWebKit/578.4 >(KHTML, like Geco, Safari) OmniWeb/v643.68e=C: > >Host: 82.234.98.65 /signUp.php?ref=ec0lag > Http Code: 403 Date: Aug 27 17:44:38 Http Version: HTTP/1.0 Size in >Bytes: - > Referer: - > Agent: Mozilla/5.0 (Macintosh; CDB; PPC Mac OS X; en-US) AppleWebKit/126.0 >(KHTML, like Geco, Safari) OmniWeb/v554.35 > >Host: 84.94.31.161 /signUp.php?ref=ec0lag > Http Code: 403 Date: Aug 27 17:44:38 Http Version: HTTP/1.0 Size in >Bytes: - > Referer: - > Agent: Mozilla/5.0 (Macintosh; TLD; PPC Mac OS X; en-US) AppleWebKit/502.6 >(KHTML, like Geco, Safari) OmniWeb/v401.63ive=C: > >Host: 81.49.24.92 /signUp.php?ref=1945777 > Http Code: 403 Date: Aug 27 17:44:38 Http Version: HTTP/1.0 Size in >Bytes: - > Referer: - > Agent: Mozilla/5.0 (Macintosh; SZS; PPC Mac OS X; en-US) AppleWebKit/230.1 >(KHTML, like Geco, Safari) OmniWeb/v710.56ive=C: > >Host: 80.129.248.17 /signUp.php?ref=1945777 > Http Code: 403 Date: Aug 27 17:44:38 Http Version: HTTP/1.0 Size in >Bytes: - > Referer: - > Agent: Mozilla/5.0 (Macintosh; OST; PPC Mac OS X; en-US) AppleWebKit/243.6 >(KHTML, like Geco, Safari) OmniWeb/v846.88 > >Host: 87.235.49.194 /signUp.php?ref=ec0lag > Http Code: 403 Date: Aug 27 17:44:38 Http Version: HTTP/1.1 Size in >Bytes: - > Referer: - > Agent: Mozilla/5.0 (Macintosh; SDD; PPC Mac OS X; en-US) AppleWebKit/430.1 >(KHTML, like Geco, Safari) OmniWeb/v145.34 > >Host: 125.129.12.61 /signUp.php?ref=1945777 > Http Code: 403 Date: Aug 27 17:44:38 Http Version: HTTP/1.0 Size in >Bytes: - > Referer: - > Agent: Mozilla/5.0 (Macintosh; WCG; PPC Mac OS X; en-US) AppleWebKit/455.3 >(KHTML, like Geco, Safari) OmniWeb/v042.84stemDrive=\x81 > >Host: 66.110.153.47 /signUp.php?ref=ec0lag > Http Code: 403 Date: Aug 27 17:44:38 Http Version: HTTP/1.0 Size in >Bytes: - > Referer: - > Agent: Mozilla/5.0 (Macintosh; ZAM; PPC Mac OS X; en-US) AppleWebKit/387.2 >(KHTML, like Geco, Safari) OmniWeb/v456.02ve=C: > >Host: 62.2.177.250 /signUp.php?ref=ec0lag > Http Code: 403 Date: Aug 27 17:44:38 Http Version: HTTP/1.0 Size in >Bytes: - > Referer: - > Agent: Mozilla/5.0 (Macintosh; LMZ; PPC Mac OS X; en-US) AppleWebKit/206.1 >(KHTML, like Geco, Safari) OmniWeb/v204.07es > >Host: 200.115.226.143 /signUp.php?ref=1945777 > Http Code: 403 Date: Aug 27 17:44:37 Http Version: HTTP/1.1 Size in >Bytes: - > Referer: - > Agent: Mozilla/5.0 (Macintosh; EDE; PPC Mac OS X; en-US) AppleWebKit/647.0 >(KHTML, like Geco, Safari) OmniWeb/v760.47emDrive=C:\x81 > >Host: 84.171.125.189 /signUp.php?ref=1945777 > Http Code: 403 Date: Aug 27 17:44:37 Http Version: HTTP/1.0 Size in >Bytes: - > Referer: - > Agent: Mozilla/5.0 (Macintosh; QHA; PPC Mac OS X; en-US) AppleWebKit/778.0 >(KHTML, like Geco, Safari) OmniWeb/v456.03=C: > >Host: 83.242.79.70 /signUp.php?ref=1945777 > Http Code: 403 Date: Aug 27 17:44:37 Http Version: HTTP/1.0 Size in >Bytes: - > Referer: - > Agent: Mozilla/5.0 (Macintosh; GFS; PPC Mac OS X; en-US) AppleWebKit/537.0 >(KHTML, like Geco, Safari) OmniWeb/v313.01rive=C: > >Host: 86.69.194.172 /signUp.php?ref=ec0lag > Http Code: 403 Date: Aug 27 17:44:37 Http Version: HTTP/1.0 Size in >Bytes: - > Referer: - > Agent: Mozilla/5.0 (Macintosh; ZCV; PPC Mac OS X; en-US) AppleWebKit/468.2 >(KHTML, like Geco, Safari) OmniWeb/v026.14stemDrive=\x81 > >Host: 196.203.176.26 /signUp.php?ref=ec0lag > Http Code: 403 Date: Aug 27 17:44:37 Http Version: HTTP/1.1 Size in >Bytes: - > Referer: - > Agent: Mozilla/5.0 (Macintosh; BXT; PPC Mac OS X; en-US) AppleWebKit/840.3 >(KHTML, like Geco, Safari) OmniWeb/v767.50s > >Host: 201.41.241.190 /signUp.php?ref=1945777 > Http Code: 403 Date: Aug 27 17:44:37 Http Version: HTTP/1.0 Size in >Bytes: - > Referer: - > Agent: Mozilla/5.0 (Macintosh; TYZ; PPC Mac OS X; en-US) AppleWebKit/742.0 >(KHTML, like Geco, Safari) OmniWeb/v715.65C: > >Host: 200.84.144.234 /signUp.php?ref=ec0lag > Http Code: 403 Date: Aug 27 17:44:37 Http Version: HTTP/1.1 Size in >Bytes: - > Referer: - > Agent: Mozilla/5.0 >[/CODE] > >We are currently blocking this user through our Apache. > >.htaccess >[CODE] >RewriteEngine On >RewriteCond %{HTTP_USER_AGENT} ^Mozilla/5\.0\ \(Macintosh;\ (.+)\ PPC\ Mac\ >OS\ X;\ en-US\)\ AppleWebKit/(.+)\ \(KHTML,\ like\ Geco,\ Safari\)\ >OmniWeb/v([0-9]+).([0-9]+)(.+)$ >RewriteRule .* - [F] >[/CODE] > >That works fine and is giving the user a 403 (Forbidden), but the problem is >that half of our Apache processes are from this user. > >Is there a way to block his user agent before he gets to Apache? Sometimes >this brings our server to a crash. > >Thanks >Andrew > > iptables -J drop - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/