Date: Thu, 3 Oct 1996 15:53:33 -0500 (CDT) From: Hal Snyder <hal@vailsys.com> To: freebsd@trogon.kiwi.net (Christopher Taylor) Cc: questions@freebsd.org Subject: Re: Hung (?) ftp processes Message-ID: <199610032053.PAA02368@crocodile.vale.com> In-Reply-To: <Pine.BSF.3.91.961003120157.7544B-100000@trogon.kiwi.net> from "Christopher Taylor" at Oct 3, 96 12:03:33 pm
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Christopher Taylor said: > On Thu, 3 Oct 1996, Cliff Addy wrote: > > We have a continuing problem using wu-ftpd. Logins (anonymous and not) > > tend to leave active logins long after the connection is over. We're > > talking hours later. Of course, this eventually maxes out the number of > > connections and noone can get in. > > First of all, any clue why this happens? Second, I don't care if there > > was a way I could kill ftp logins idle over, lets say, 10 minutes. Using > > the -t and -T options has not affected this problem. I can kill an idle > > telnet, I just don't know how to kill (or even find) these ftp logins. > > They don't appear as processes, just connections in netstat. > > Yes, we have been experiencing the same problem you have. We are running > WU-FTPD 2.4.2[ACADEM-11]. It seems to only occur, when the person loses > carrier while online to ftp. I am not positive, because I have not > extensively tested my theory. I see the same with BSD ftpd version 6.00 - an ftp session that ended weeks ago, nothing in ps output, but nestat -a shows this (host names changed to protect the innocent): tcp 0 0 mybsdhost.ftp-data remote.xyz.com.4013 ESTABLISHED tcp 0 0 mybsdhost.ftp remote.xyz.com.3895 ESTABLISHED What is this about?
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