Date: Mon, 15 Jan 1996 12:56:47 -0800 (PST) From: -Vince- <vince@apollo.COSC.GOV> To: Robert Sanders <rsanders@mindspring.com> Cc: freebsd-current@freebsd.org Subject: Re: finger problem going from 2.1R to -current Message-ID: <Pine.BSF.3.91.960115125532.20064d-100000@apollo.COSC.GOV> In-Reply-To: <199601152017.PAA28876@interbev.mindspring.com>
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On Mon, 15 Jan 1996, Robert Sanders wrote: > On Mon, 15 Jan 1996 04:14:01 EST, Andras Olah <olah@cs.utwente.nl> said: > > > machines is caused by the use of T/TCP. Apparently some (buggy or > > at least non-conformant) TCP stacks have problems with T/TCP. > > AIX and Linux both have problems with it. Solaris copes fine. I never noticed the Linux one until you mentioned it... But wonder why both AIX and Linux has problems with it... > > The short term solution is: `sysctl -w net.inet.tcp.rfc1644=0'. On > > the other hand, it would be very useful if you could send me a > > tcpdump trace of the failing conversation when using T/TCP and if > > you know the type of the system you're connecting to. > > It's short, so I'll just post it here. Both rfc1323 and rfc1644 are > set to 0 on my machine. > > 15:13:10.980335 hrothgar.1081 > widow.finger: SFP 100905540:100905550(10) win 17520 <mss 1460> (DF) > 15:13:16.608004 hrothgar.1081 > widow.finger: SFP 100905540:100905550(10) win 17520 <mss 1460> (DF) > 15:13:40.608362 hrothgar.1081 > widow.finger: SFP 100905540:100905550(10) win 17520 <mss 1460> (DF) > > AIX 4.1.2 doesn't seem to like packets with SYN and FIN that also > include data. Probably... > For those of you that want to work around the problem, changing all > occurrences of MSG_EOF in src/usr.bin/finger/net.c to 0 should do it. Maybe this can be committed to the tree... Cheers, -Vince- vince@COSC.GOV - GUS Mailing Lists Admin - http://www.COSC.GOV/~vince UC Berkeley AstroPhysics - Electrical Engineering (Honorary B.S.) Chabot Observatory & Science Center - Board of Advisors Running FreeBSD - Real UN*X for Free! Linda Wong/Vivian Chow/Hacken Lee/Danny Chan/Priscilla Chan Fan Club Mailing Lists Admin
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