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IP Masquerading

daemon@ATHENA.MIT.EDU (Charles Brian Hill)
Tue Sep 24 11:23:32 1996

Date: 	Tue, 24 Sep 1996 02:12:21 -0400 (EDT)
From: Charles Brian Hill <hill@unr.net>
To: linux-net@vger.rutgers.edu

I have been using Masquerading for quite a while, and have recently begun
to notice errors of the following type reported by syslog:

kernel: MASQ: failed TCP/UDP checksum from xxx.yyy.zzz.qqq!

I know these are referring to erroneous data transfers...i.e., the TCP
packets are arriving with errors.  My question is, is anyone else seeing
these kinds of errors?  They are occurring on the machine that is acting
as the dialup host and performing all the ipfwadm trickery.

If any of you have seen these, is there something that can be done about
them?  Is there some kind of trick I need to do in order to correct the
problem?  I'm using SLIP to connect to my dialup provider.  That's about
all the relevant information I can think of, though.

Thanks for any help/advice,

Brian Hill


--
Charles Brian Hill			    Florida State University
hill@mail.unr.net			 Computer Science Department
Home =904.577.0425			   UNIX System Administrator
Work =904.385.0436			Up & Running Computers, Inc.
Pager=904.657.6772		      http://puck.scri.fsu.edu/~hill


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