Date: Fri, 30 Jun 2000 18:24:23 -0700 (PDT) From: Doug White <dwhite@resnet.uoregon.edu> To: Mark Ibell <marki@paradise.net.nz> Cc: freebsd-bugs@FreeBSD.ORG, freebsd-stable@FreeBSD.ORG Subject: Re: telnet/tcp problems in 4.0-RELEASE Message-ID: <Pine.BSF.4.21.0006301823330.53847-100000@resnet.uoregon.edu> In-Reply-To: <395D320F.55D3043C@paradise.net.nz>
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On Sat, 1 Jul 2000, Mark Ibell wrote: > Doug White wrote: > > > > On Sat, 1 Jul 2000, Mark Ibell wrote: > > > > > We have a FreeBSD 4.0-RELEASE (GENERIC kernel) box at work that has > > > exhibitted some strange telnetd behaviour. For example, when you try to > > > telnet in you get a login prompt straight away but after entering a > > > password have to wait for exactly 150 seconds (2m30s) until the shell > > > prompt is reached. > > > > > > Even more curiously, once logged in if you try to telnet (or ftp for > > > that matter) out, a 75 second delay is experienced. This has happened a > > > couple of times now and a reboot fixes the problem. DNS has been checked > > > carefully (nslookup queries work fine), so I'm pretty sure it's not > > > that. > > > > Did you verify that reverse lookups were working properly? That's the > > point where it reverse-resolves the IP address that connected to get a > > hostname. > > I did quite a bit of this sort of testing and unfortunately came up > blank :( Again, did you check *REVERSE* lookups? Try logging into one of the broken 'servers' and do 'host (client IP address' and see what you get. Doug White | FreeBSD: The Power to Serve dwhite@resnet.uoregon.edu | www.FreeBSD.org To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message
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