From owner-freebsd-questions@FreeBSD.ORG Mon Oct 11 10:31:48 2004 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 6EEEA16A4CE for ; Mon, 11 Oct 2004 10:31:48 +0000 (GMT) Received: from bsdhacker.org (server.bsdhacker.org [166.102.211.13]) by mx1.FreeBSD.org (Postfix) with ESMTP id CBA4B43D2F for ; Mon, 11 Oct 2004 10:31:47 +0000 (GMT) (envelope-from uidzero@one-arm.com) Received: from localhost (localhost [127.0.0.1]) by bsdhacker.org (Postfix) with ESMTP id 83FEF3D9; Mon, 11 Oct 2004 05:31:32 -0500 (CDT) Received: from bsdhacker.org ([127.0.0.1]) by localhost (server.bsdhacker.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 55448-09; Mon, 11 Oct 2004 05:31:25 -0500 (CDT) Received: from [192.168.1.2] (bsd.bsdhacker.org [192.168.1.2]) by bsdhacker.org (Postfix) with ESMTP id E8EDE1C5; Mon, 11 Oct 2004 05:31:24 -0500 (CDT) Message-ID: <416A60A3.8060906@one-arm.com> Date: Mon, 11 Oct 2004 05:29:55 -0500 From: uidzero User-Agent: Mozilla Thunderbird 0.7.3 (X11/20040928) X-Accept-Language: en-us, en MIME-Version: 1.0 To: Rob References: <416A5CF6.20508@one-arm.com> <416A6062.9080106@yahoo.com> In-Reply-To: <416A6062.9080106@yahoo.com> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit X-Virus-Scanned: by amavisd-new at bsdhacker.org cc: freebsd-questions@freebsd.org Subject: Re: Adding network & IP to hosts.deny X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 11 Oct 2004 10:31:48 -0000 Rob wrote: > uidzero wrote: > >> Pelle Andersson wrote: >> >>> Hi! >>> >>> I have a lot of login attempts from various networks and IP addresses >>> on my FBSD 4.10 server. I have read the man pages for hosts.deny but >>> do not understand how to add networks and IP addresses to it. >>> >> >> I use "/etc/rc.ipfw"... >> >> >> ${fwcmd} add 300 deny IP from 24.19.0.105 to any >> ${fwcmd} add 301 deny IP from 24.79.68.179 to any >> ${fwcmd} add 400 deny IP from 61.100.180.125 to any >> ${fwcmd} add 401 deny IP from 61.206.125.28 to any >> ${fwcmd} add 402 deny IP from 61.211.239.236 to any >> ${fwcmd} add 500 deny IP from 63.144.19.6 to any >> ${fwcmd} add 501 deny IP from 64.246.20.123 to any >> ${fwcmd} add 502 deny IP from 66.223.46.129 to any >> ${fwcmd} add 503 deny IP from 67.81.127.99 to any >> ${fwcmd} add 600 deny IP from 81.223.99.90 to any >> ${fwcmd} add 700 deny IP from 140.112.124.123 to any >> ${fwcmd} add 701 deny IP from 159.226.2.161 to any >> ${fwcmd} add 702 deny IP from 163.25.65.3 to any >> ${fwcmd} add 703 deny IP from 193.145.87.3 to any >> ${fwcmd} add 800 deny IP from 202.57.191.179 to any >> ${fwcmd} add 801 deny IP from 202.226.185.150 to any >> ${fwcmd} add 810 deny IP from 203.71.62.9 to any >> ${fwcmd} add 113 deny IP from 203.98.166.25 to any >> ${fwcmd} add 812 deny IP from 203.115.96.151 to any >> ${fwcmd} add 813 deny IP from 203.169.248.5 to any >> ${fwcmd} add 814 deny IP from 203.186.157.37 to any >> ${fwcmd} add 830 deny IP from 205.209.141.50 to any >> ${fwcmd} add 870 deny IP from 209.88.93.138 to any >> ${fwcmd} add 871 deny IP from 209.172.103.235 to any >> ${fwcmd} add 880 deny IP from 210.204.129.11 to any >> ${fwcmd} add 890 deny IP from 211.60.219.250 to any >> ${fwcmd} add 891 deny IP from 211.221.246.28 to any >> ${fwcmd} add 892 deny IP from 211.251.71.2 to any >> ${fwcmd} add 893 deny IP from 211.252.9.126 to any >> ${fwcmd} add 940 deny IP from 216.29.112.126 to any >> ${fwcmd} add 950 deny IP from 217.172.182.148 to any >> ${fwcmd} add 960 deny IP from 218.21.129.105 to any >> ${fwcmd} add 961 deny IP from 218.49.183.17 to any >> ${fwcmd} add 962 deny IP from 218.102.19.78 to any >> ${fwcmd} add 963 deny IP from 218.237.66.152 to any >> ${fwcmd} add 970 deny IP from 220.64.223.249 to any >> ${fwcmd} add 971 deny IP from 220.73.215.151 to any >> ${fwcmd} add 980 deny IP from 221.3.131.80 to any >> ${fwcmd} add 981 deny IP from 221.12.11.118 to any >> ${fwcmd} add 982 deny IP from 222.56.118.124 to any > > > I have attacks by similar IP numbers. However, I discovered > that these IP numbers are used only once to attack my PC. > Next attack will be from a different IP number. So adding the > IP numbers to your list each time after an attack, will make > your deny-list longer and longer, but won't make it more effective, > since it doesn't protect you against the attackers next attempts. > > Unless, of course, someone is attacking again and again from the > same IP number; but that is not what I observe. > > Rob. > > Actually, quite a few has attempted several times from the same IPs. I figure if it gets to big, I'll just block the whole class. What do I care if a whole country can't access my lil webserver? :) Thanks for the comment. Michael -- Michael D. Whities uidzero@one-arm.com http://www.one-arm.com -- There are four colors of hats to watch for: Black, White, Grey, and Red. The meanings are: Cracker, Hacker, Guru, and Victim.