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000059_news@columbia.edu_Mon Oct 9 11:05:32 1995.msg
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From: Y Badri <yb@greybox.demon.co.uk>
Newsgroups: comp.protocols.kermit.misc,comp.unix.solaris
Subject: Re: Real Fix for Kermit on Solaris?
Date: Mon, 9 Oct 1995 11:05:32 GMT
Organization: improving slowly
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Distribution: inet
Message-Id: <DG6HH9.1CG@greybox.demon.co.uk>
References: <Pine.SOL.3.91.951002143400.5139A-100000@toucan> <4510a5$f9c@sungy.Germany.Sun.COM> <453dbc$c49@apakabar.cc.columbia.edu> <453k7p$jl7@sungy.Germany.Sun.COM>
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In article <453k7p$jl7@sungy.Germany.Sun.COM>,
Casper H.S. Dik - Network Security Engineer <Casper.Dik@Holland.Sun.COM> wrote:
>
>I've checked tip source and it doesn't do anything special.
>It opens the port, does a ioctl setflags with XCLUDE and HUPCL and
>that's all (and it uucp locks the port).
Actually, that is somewhat special. I did a grep on /usr/share/man/* and
XCLUDE is not documented. Another grep revealed that kermit doesn't use
it [version 5A(188)].
It does turn up in sys/termios.h, as one of the bits in termios.c_cflag,
and I'm not entirely happy about this comment ...
#define XCLUDE 0100000 /* *V7* exclusive use coming fron XENIX */
As with other posters here, we've found at work that the safest option for
Solaris 2.3 is to dedicate one port to dial-in. We can not only hang the
port, but very often watchdog the machine by kermiting out on that port.
This does not happen with 'tip', and I recall seeing a rather detailed
report of this at Columbia University (FTP or Web, my memory fails me)
over a year ago.
--
Yusef Badri <yb@greybox.demon.co.uk>
... My Other Signature's In Postscript ...