From owner-freebsd-questions@FreeBSD.ORG Wed May 28 01:58:24 2008 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id C713D106566B for ; Wed, 28 May 2008 01:58:24 +0000 (UTC) (envelope-from kalpin@muliahost.com) Received: from smtp.velo.net.id (smtp2-out.velo.net.id [203.153.99.105]) by mx1.freebsd.org (Postfix) with ESMTP id 7EBB88FC0C for ; Wed, 28 May 2008 01:58:24 +0000 (UTC) (envelope-from kalpin@muliahost.com) Received: from localhost (batubulan.net2cyber.net [127.0.0.1]) by smtp.velo.net.id (Postfix) with ESMTP id 13DFA810150 for ; Wed, 28 May 2008 08:36:17 +0700 (WIT) X-Virus-Scanned: amavisd-new at velo.net.id Received: from smtp.velo.net.id ([127.0.0.1]) by localhost (seminyak.velo.net.id [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id Faf+0QCFG5VH for ; Wed, 28 May 2008 08:36:16 +0700 (WIT) Received: from [203.153.106.5] (unknown [203.153.106.5]) by smtp.velo.net.id (Postfix) with ESMTP id 99E0981014C for ; Wed, 28 May 2008 08:36:15 +0700 (WIT) Message-ID: <483CB6F3.5040505@muliahost.com> Date: Wed, 28 May 2008 08:35:47 +0700 From: Kalpin Erlangga Silaen User-Agent: Thunderbird 2.0.0.14 (Windows/20080421) MIME-Version: 1.0 To: "freebsd-questions@freebsd.org" Content-Type: text/plain; charset=EUC-KR Content-Transfer-Encoding: 7bit Subject: Survive from DDoS X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 28 May 2008 01:58:24 -0000 Dear all, yesterday, our shell server was attack and server immeditiately reboot. I checked logs, it likes UDP flood with destination port 53. Is there any way how to survive from this kind attack? Also, is there any url/resources to improve our shell server? Thank you Kalpin Erlangga Silaen