Subject:
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Forging an NNTP header Message-ID
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Newsgroups:
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lugnet.off-topic.geek
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Date:
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Mon, 12 Jul 1999 22:07:03 GMT
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Reply-To:
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JSPROAT@IO.antispamCOM
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Viewed:
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315 times
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Hey all NNTP gurus,
How does one construct an NNTP header Message-ID? Is there an algorighm?
Is it random?
I'm writing a script in Perl which would use Net::NNTP to submit an article
to an NNTP server. However, I would need to supply the entire text of the
message, including headers. Everything looks fine to me so far, except for
the Message-ID header line. Here's a sample:
Message-ID: <378A61A0.D76E5AE3@io.com>
It looks something like:
(BIG_HEX_NUMBER_A).(BIG_HEX_NUMBER_B)@(E-MAIL_DOMAIN)
(duh :-)
The "io.com" is obviously pulled from my e-mail address; I'm actually
posting from a machine in the novell.com domain. I've scanned RFC 0977, and
have found several instances where the Message-ID is used, but not any where
it's created / generated. I've also watched packet traces, thinking that
Netscape will somehow ask LUGNET to assign a Message-ID when I start a new
message, but no such luck.
Cheers,
- jsproat
--
Jeremy H. Sproat <jsproat@io.com>
http://www.io.com/~jsproat
Darth Maul Lives
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Message has 3 Replies:
 | | Re: Forging an NNTP header Message-ID
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| (...) It is assigned by the newsserver to which you post. The Heder fields from your message, divided into first things you do have to provide: (...) (okay, this one's a special case - Lugnet innd has been modified to auto-insert this one - on most (...) (25 years ago, 22-Jul-99, to lugnet.off-topic.geek)
| | | Re: Forging an NNTP header Message-ID
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| (...) There are many different types of algorithms, I believe, but the main point is that the Message-ID header needs to be unique. The domain part of the Message-ID makes sure that anybody on a different domain gets a different ID. The local part (...) (25 years ago, 22-Jul-99, to lugnet.off-topic.geek)
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