Subject:
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Re: Howto message search with nntp client
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Newsgroups:
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lugnet.admin.general
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Date:
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Fri, 4 Jun 1999 22:05:30 GMT
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Viewed:
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229 times
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In lugnet.admin.general, jsproat@geocities.com (Sproaticus) writes:
> Sproaticus wrote:
> > The packet trace
> > indicates that the text I was searching for was never transmitted.
> > [...]
> > JSPROAT: XPAT SUBJECT 1- *[Uu][Ff][Oo]*
> > LUGNET: 500 Command unrecognized.
>
> Oops, the search text was indeed transmitted. BTW, RFC 0997 mentions no
> command "XPAT", so I don't know where Netscape Communicator got *that*
> from. Perhaps Microsoft isn't the only company trying to redefine the
> Internet. :-P
NNTP (and SMTP and many other Internet protocols) are designed in such a way
that extensions are welcomed -- as long as (typically) they're identified as
such. For example, another NNTP extension which is popular is the 'XOVER'
command -- it asks the server to send the '.overview' file for a newsgroup.
The 'X' doesn't mean 'xmit' or anything like that, it just means
'eXtension'.
Other extensions appear, for example, in NNTP and SMTP headers -- There,
they begin also with 'X' or 'x'. Some examples are:
xref -- a double-meaning here -- as the 'x' means both "cross-" and
"extension."
X-Real-Life-Name -- used by the lugnet.com newsserver.
X-Face -- used by some news clients to send embed an itty bitty monochrome
photo of the user.
X-Mailer -- used by e-mailers to say what software is being used.
etc...
--Todd
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Message is in Reply To:
 | | Re: Howto message search with nntp client
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| (...) Oops, the search text was indeed transmitted. BTW, RFC 0997 mentions no command "XPAT", so I don't know where Netscape Communicator got *that* from. Perhaps Microsoft isn't the only company trying to redefine the Internet. :-P Cheers, - (...) (25 years ago, 4-Jun-99, to lugnet.admin.general)
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