Suggestion for improved identD
Daniel Reed
djr at narnia.n.ml.org
Wed May 20 03:02:34 UTC 1998
On Tue, 19 May 1998, Troy Davis wrote:
) An example SMTP header:
)
) Received: from evilspammer (207-172-189-146.s67.as3.plb.erols.com
) [207.172.189.146]) by smtp2.erols.com (8.8.8/8.8.5) with SMTP id XAA19893
) for <joe at test.com>; Mon, 18 May 1998 23:34:27 -0400 (EDT)
)
) In common implementations*, "evilspammer" will be the identd reply. Since
) it's easily forgable, simply disregard it and go by the IP address (and
) hostname, if shown).
Actually, in that example, ther was no ident reply from the remote host.
"evilspammer" is just the name given when the remote host gives his EHLO
or HELO.
Received: from mail.n.ml.org (djr at narnia.mhv.net [199.0.0.118])
...
means my mail server identified itself as "mail.n.ml.org," with a real
host name of "narnia.mhv.net" and IP of 199.0.0.118, and an ident reply of
"djr."
--
Daniel Reed <n at ml.org> (ask me for my PGP key)
One man's Windows are another man's walls...
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