From owner-freebsd-hackers Mon Oct 21 12:35:11 2002 Delivered-To: freebsd-hackers@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id A9B5237B401 for ; Mon, 21 Oct 2002 12:35:08 -0700 (PDT) Received: from sccrmhc01.attbi.com (sccrmhc01.attbi.com [204.127.202.61]) by mx1.FreeBSD.org (Postfix) with ESMTP id 06F1343E77 for ; Mon, 21 Oct 2002 12:35:08 -0700 (PDT) (envelope-from crist.clark@attbi.com) Received: from blossom.cjclark.org ([12.234.91.48]) by sccrmhc01.attbi.com (InterMail vM.4.01.03.27 201-229-121-127-20010626) with ESMTP id <20021021193507.BPOG26524.sccrmhc01.attbi.com@blossom.cjclark.org>; Mon, 21 Oct 2002 19:35:07 +0000 Received: from blossom.cjclark.org (localhost. [127.0.0.1]) by blossom.cjclark.org (8.12.3/8.12.3) with ESMTP id g9LJZ6Wn064813; Mon, 21 Oct 2002 12:35:06 -0700 (PDT) (envelope-from crist.clark@attbi.com) Received: (from cjc@localhost) by blossom.cjclark.org (8.12.3/8.12.3/Submit) id g9LJZ6TW064812; Mon, 21 Oct 2002 12:35:06 -0700 (PDT) X-Authentication-Warning: blossom.cjclark.org: cjc set sender to crist.clark@attbi.com using -f Date: Mon, 21 Oct 2002 12:35:05 -0700 From: "Crist J. Clark" To: Scott Carmichael Cc: freebsd-hackers@freebsd.org Subject: Re: IP resolving Message-ID: <20021021193505.GB64666@blossom.cjclark.org> Reply-To: cjclark@alum.mit.edu References: <20021018180519.GB45449@blossom.cjclark.org> <20021021001706.B86168-100000@samwise.jobeus.net> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20021021001706.B86168-100000@samwise.jobeus.net> User-Agent: Mutt/1.4i X-URL: http://people.freebsd.org/~cjc/ Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG On Mon, Oct 21, 2002 at 12:19:03AM -0600, Scott Carmichael wrote: > Netstat reports properly... > > I think the issue is that an 'nslookup [ip]' will resolve to a host where > an 'nslookup [host]' will not resolve to [ip]. Its the way the DNS on the > other end is set up, but I can't exactly change that... I'd just like a > 'w' to be able to report properly (ie. if [host] doesn't resolve to [ip], > then just report [ip] with a 'w').. or something. =\ You never said if you are using TCP wrappers. Can you show us the actual output from the machine? What do, $ w $ w -n $ who $ last | head $ netstat -an Show? Do you get identical results with rlogin and ssh? Can we see both? > On Fri, 18 Oct 2002, Crist J. Clark wrote: > > > On Sun, Oct 13, 2002 at 11:00:26PM -0600, Scott Carmichael wrote: > > > Can someone help me here? Is there a code change I can make somewhere? > > > > > > Please CC me on any replies, as I am not subscribed to -net or -hackers. > > > > -net removed. -hackers left (although this might be more of a > > -questions thread). > > > > > ---------- Forwarded message ---------- > > > Date: Fri, 11 Oct 2002 14:14:08 -0600 (MDT) > > > From: Scott Carmichael > > > To: freebsd-questions@FreeBSD.ORG > > > Subject: IP resolving > > > > > > I would like to know two things... Why FreeBSD acts in the following way > > > while OpenBSD does not, and if it's possible to fix this? > > > > > > It seems that if anyone connects to my FreeBSD server wish a hostname that > > > does not match their IP, > > > > "Hostname does not match their IP?" What exactly does that mean? All > > the OS knows is the remote IP address. It doesn't know what hostname > > the remote claims to have. The application server might receive a > > hostname though, but then I would expect the behavior to vary > > according to the application used to connect. > > > > > I get a console message about the mismatch, and > > > > Something is generating a message to syslogd(8). Figure out what it is > > and edit syslog.conf(5) appropriately. Are you using TCP wrappers or > > something? > > > > > then if they connect via rlogin or ssh, 'who', 'w', 'last', etc. all > > > report that they are connected _from_ MY box, which they aren't. > > > > Strange. What does 'netstat -a' or 'sockstat' report? 'w' works fine > > for me. > > -- > > Crist J. Clark | cjclark@alum.mit.edu > > | cjclark@jhu.edu > > http://people.freebsd.org/~cjc/ | cjc@freebsd.org > > -- Crist J. Clark | cjclark@alum.mit.edu | cjclark@jhu.edu http://people.freebsd.org/~cjc/ | cjc@freebsd.org To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message