[25760] in Athena Bugs

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Re: linux [9.2.27]: from, mailquota, etc. form behind a NAT

daemon@ATHENA.MIT.EDU (Jonathon Weiss)
Thu Jul 1 19:00:49 2004

Message-Id: <200407012300.i61N0Z9K009799@distraction.mit.edu>
From: Jonathon Weiss <jweiss@mit.edu>
To: Greg Hudson <ghudson@mit.edu>
In-reply-to: Your message of "Thu, 01 Jul 2004 15:52:28 EDT."
             <1088711548.24763.177.camel@egyptian-gods.mit.edu> 
Date: Thu, 01 Jul 2004 19:00:35 -0400
cc: Jonathon Weiss <jweiss@mit.edu>
cc: bugs@mit.edu
Errors-To: bugs-bounces@mit.edu

> On Thu, 2004-07-01 at 15:39, Jonathon Weiss wrote:
> > distraction:~: from -v -h PO10.MIT.EDU
> > from: Premature end-of-file on IMAP connection to PO10.MIT.EDU
> > Exit 1
> 
> I think what's going on here is that the IMAP connection is using
> krb_mk_safe(), and because of the NAT gateway the direction bit gets
> screwed up.
> 
> Other IMAP clients might work if (a) the NAT gateway isn't managing to
> reverse the address direction relative to the server; (b) they don't
> negotiate a security layer (true of Pine and Evolution, I believe); or
> (c) they use SSL instead of krb4.
> 
> We could add command-line options to our mail commands to suppress
> negotiation of a security layer, perhaps.

That all makes a lot of sense.  I wouldn't object to a command line
switch to do this, but hardly think it is required, I probably
wouldn't use it myself.

	Thanks,
	Jonathon


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