Educause Security Discussion mailing list archives

Re: New SANS Discount Programs to Educational Centers


From: "H. Morrow Long" <morrow.long () YALE EDU>
Date: Mon, 1 Dec 2003 19:47:00 -0500

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Of course the hoped-for S/MIME ideal (for both digital 'signing' and
encryption) is when using it becomes so transparent that real end users
actually use it (because they don't have to do anything nor notice it).

Apple Mail in MacOS X is about there (more so than even Netscape
or Outlook).  It can 'sign' all messages by default -- which is the way
to do it for users.  Of course it can be annoying when various list s/w
'breaks' it -- but I think that the tradeoff between having someone
have to choose whether to sign messages or just having all messages
signed would be best when done automatically.

Just my $0.02 :-)

Note I've also signed this with PGP for MacOS X (for which I have to go
through
a lot more hoops to have it sign my messages so I use it much more
sparingly).

- - Morrow

On Dec 1, 2003, at 6:15 PM, Dave Koontz wrote:
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S/MIME and PGP/MIME Based Message Signing has always been a "no-no" on
ANY listserv I've ever been on for this very reason.  You will notice
that most users post with an inline PGP/GnuPG signature (like I've
done here) ... IF and when they desire verification.  Even vendors
use
this inline method when posting security patch notices to their own
lists.  Just about every list adds disclaimer text or taglines to
messages posted to them.  Given these common alterations, you may
want to re-think your MIME based message signing to something more
universal and forgiving, such as PGP/GnuPG inline signing.  Thwate
and Verisign MIME signatures are great, but not for signing list
messages.

Just my 1/2 cent worth.... <g>


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