From owner-freebsd-questions@FreeBSD.ORG Wed Oct 19 01:05:21 2005 Return-Path: X-Original-To: freebsd-questions@freebsd.org 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 C41BE16A41F for ; Wed, 19 Oct 2005 01:05:21 +0000 (GMT) (envelope-from on@cs.ait.ac.th) Received: from mail.cs.ait.ac.th (mail.cs.ait.ac.th [192.41.170.16]) by mx1.FreeBSD.org (Postfix) with ESMTP id C797943D45 for ; Wed, 19 Oct 2005 01:05:20 +0000 (GMT) (envelope-from on@cs.ait.ac.th) Received: from banyan.cs.ait.ac.th (banyan.cs.ait.ac.th [192.41.170.5]) by mail.cs.ait.ac.th (8.12.11/8.12.11) with ESMTP id j9J15HQD046953 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Wed, 19 Oct 2005 08:05:17 +0700 (ICT) Received: (from on@localhost) by banyan.cs.ait.ac.th (8.13.1/8.12.11) id j9J15GJY033442; Wed, 19 Oct 2005 08:05:16 +0700 (ICT) Date: Wed, 19 Oct 2005 08:05:16 +0700 (ICT) Message-Id: <200510190105.j9J15GJY033442@banyan.cs.ait.ac.th> From: Olivier Nicole To: philipp1@uiuc.edu In-reply-to: <20051018171938.GB2305@zeus.itg.uiuc.edu> (message from Anthony Philipp on Tue, 18 Oct 2005 12:19:38 -0500) References: <20051018171938.GB2305@zeus.itg.uiuc.edu> X-Virus-Scanned: on CSIM by amavisd-milter (http://www.amavis.org/) Cc: freebsd-questions@freebsd.org Subject: Re: possible breakin attempt? 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, 19 Oct 2005 01:05:21 -0000 > Oct 17 16:13:43 lupin sshd[51883]: reverse mapping checking getaddrinfo for 211-234-119-139.kidc.net failed - POSSIBLE BREAKIN ATTEMPT! > Oct 17 16:13:55 lupin sshd[51885]: reverse mapping checking getaddrinfo for 211-234-119-139.kidc.net failed - POSSIBLE BREAKIN ATTEMPT! Hummm, I may be wrong, but I'd say that it is someone that try to connect from an ISP that provides no or faulty reverse DNS. So the risk is zero. Olivier