Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751169AbWH0V6i (ORCPT ); Sun, 27 Aug 2006 17:58:38 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751188AbWH0V6i (ORCPT ); Sun, 27 Aug 2006 17:58:38 -0400 Received: from www.nabble.com ([72.21.53.35]:10924 "EHLO talk.nabble.com") by vger.kernel.org with ESMTP id S1751169AbWH0V6i (ORCPT ); Sun, 27 Aug 2006 17:58:38 -0400 Message-ID: <6011508.post@talk.nabble.com> Date: Sun, 27 Aug 2006 14:58:37 -0700 (PDT) From: altendew To: linux-kernel@vger.kernel.org Subject: Server Attack MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 5358 Lines: 146 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 -- View this message in context: http://www.nabble.com/Server-Attack-tf2174025.html#a6011508 Sent from the linux-kernel forum at Nabble.com. - 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/