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000396_news@columbia.edu_Tue Sep 19 23:15:36 1995.msg
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From: ddl@harvard.edu (Dan Lanciani)
Newsgroups: comp.protocols.kermit.misc
Subject: Re: Progress on MSK 3.14 and Linux 1.2.8 problem
Message-Id: <2994@sun3.IPSWITCH.COM>
Date: 19 Sep 95 23:15:36 GMT
References: <43c0ds$hvk@apakabar.cc.columbia.edu> <1995Sep19.092901.61603@cc.usu.edu>
Organization: Internet
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Apparently-To: kermit.misc@watsun.cc.columbia.edu
In article <1995Sep19.092901.61603@cc.usu.edu>, jrd@cc.usu.edu (Joe Doupnik) writes:
| So far I would conclude that your version of Linux has problems
| in its TCP/IP stack. And that the problems are sensitive to whether or
| not an ARP reply has the IP address of the requestor or 0.0.0.0 there
| (current MSK has the IP address, previous v3.14 did not by mistake).
| Anyone else have some ideas? Dan?
Ah, well, that certainly explains it (assuming the version that sends
0.0.0.0 is the one we were talking about). Glancing at the Linux code
I see that it will drop any replies that aren't addressed (meaning that
target ip is one of its addresses) to it. This action appears to be
intentional. Of course, this doesn't explain why the fixed kermit fails
in a worse way... Perhaps some other field is getting trashed? The Linux
code seems to be quite picky and checks all the length and type fields. If
anything is wrong, the ARP packet gets dropped.
Dan Lanciani
ddl@harvard.*