Subject:
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Re: Pseudo-streaming live news (was: Re: Monitor Page)
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Newsgroups:
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lugnet.admin.general
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Date:
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Tue, 21 Mar 2000 23:03:42 GMT
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Viewed:
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1814 times
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In lugnet.admin.general, Todd Lehman wrote:
> In lugnet.admin.general, Steve Bliss writes:
> > I've got a simple client developed in MS-VB, which just polls and
> > displays the feed, inserting the messages at the top of the log, so the
> > most recent message displays first. Worked great until I got a 401 from
> > the firewall.
>
> Corporate firewall? What do you figure that it didn't like? The repeated
> periodic polling, and it blocked you from doing that after it exceeded some
> count?
The firewall seems to periodically require re-authentication to get out.
But it's not clear what strategy it uses to determine when to
re-authenticate. It's not elapsed time since last authentication, or
elapsed time since last request. It seems to depend on the amount of
network traffic. F'r instance, I almost always have to re-authenticate
after lunchtime, even though I've been working straight on. I'm
guessing the number of people going out through the firewall increases
during the lunch period, pushing my authentication out of some FIFO
queue. And sometimes, on Monday morning, I'm still authenticated. Go
figure.
> What happens when you set the polling rate to be less frequent?
>
> Does your firewall also give you 401 on other lugnet.com URLs after it gives
> you a 401 on the avid.cgi URL?
Yeah. Or any other internet URL. I have to jump over to a browser, and
pull up an internet page, to force a password request dialog.
There's probably a way to reauthenticate programatically, but I'm not
necessarily going to bother finding it. This is not a mission-critical
tool for me.
Steve
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