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Article #4540

Re: Detecing origin of messages

#4540
From: Alan Bellingham
Date: Wed, 04 Jan 2006 15:42
31 lines
2244 bytes
"Boba" <Boba@somewhere.world> wrote:

>I wouldn't have posted mine at 8:44 am. This makes me ask a
>question: what is the message 'time sent' for news servers?
>is it local tstamp?                                   Boba

If the sender doesn't set a timestamp, then the first server that deals
with it should. And the timestamp should, of course, indicate the time
zone.

For instance, your message was marked as:

  Date: Wed, 4 Jan 2006 08:58:55 -0800

which I see as 04/01/2006 16:58:55. Bruce's message, interestingly, had
a different timezone. Since both your messages arrived via the same
single news server, one knows that at least one of your clients is
correctly adding the timestamp itself - and probably both.

The time associated with a message is usually that of the client PCs,
rather than that of the server. This does mean that any PC with an
incorrectly set clock (e.g. anyone with a Windows PC who accepts the
default time zone without actually being in that timezone, for example)
will have misdated messages.

(There are also propagation issues - anyone who assumes that they will
see a newsgroup message instantly is naive or deluded.)

Alan Bellingham
-- 
ACCU Conference 2006 - 19-22 April, Randolph Hotel, Oxford, UK
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Message-ID: <cbqnr1l23dbibhkdk7c78lsdjf39o0t0rl@4ax.com>
Path: arc1-ca.pugleaf.net!g2news1.google.com!news3.google.com!border1.nntp.dca.giganews.com!nntp.giganews.com!newshub.sdsu.edu!peer01.west.cox.net!cox.net!newsfeeds.ihug.co.nz!ihug.co.nz!newsgroups.borland.com!not-for-mail
References: <43badac9$1@newsgroups.borland.com> <43bbdc2c@newsgroups.borland.com> <43bbe113$1@newsgroups.borland.com>

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From: Alan Bellingham <alanb@episys.com>
Newsgroups: borland.public.cppbuilder.nativeapi
Subject: Re: Detecing origin of messages
Date: Wed, 04 Jan 2006 15:42:38 +0000
Reply-To: alanb@episys.com
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References: <43badac9$1@newsgroups.borland.com> <43bbdc2c@newsgroups.borland.com> <43bbe113$1@newsgroups.borland.com>
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