Re: trying to publish a video conferencing system
- From: "Phillip Windell" <philwindell@xxxxxxxxxxx>
- Date: Thu, 15 Jan 2009 10:22:12 -0600
No. Absolutely not.
ISA is not an "open a port" appliance. You do not open ports.
You define Protocols, add them to Access Rule and then grant permissions to
users to use the Rules.
The VC system probably has to be out on the Public Internet
directly,...possibly on its own Internet connection.
I've seen all the TV commercials about all the wonderful Star-Trek-like
experiences with VC Systems with $15,000 LCD TVs mounted on the wall in the
conference room in HDTV where you can see every pimple on the CEO.
That's called Marketing (I call it Fantasy).
The unsaid motto is always "Over market -- Under Deliver"
I only deal with the real world which usually bears no resemblence.
Anyway, there is no exact standard for the design of a VC system and how it
communicates. Everyone does it "their own way" and how it works over a
firewall or a proxy, or whether it can even can work at all,...is totally
dependent on the design choices of the Developers and how well they
understand how proxys or firewalls function. I dare say that way too many
don't have a clue how proxys or firewalls function and what is required.
--
Phillip Windell
www.wandtv.com
The views expressed, are my own and not those of my employer, or Microsoft,
or anyone else associated with me, including my cats.
-----------------------------------------------------
"Thomas T" <ThomasT@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote in message
news:5A731E3E-0784-4B49-ACF3-E49352756142@xxxxxxxxxxxxxxxx
Hi @ all,
actually I would like to try the so-called solution "open firewall".
Sounds
bad and might even be so. Please feel free to comment this attempt.
But what I really want to know now is if or how it can be accomplished to
create a publishing rule that publishes the port range from 1024 to 65535.
Of
course there exists already another rule that permits the traffic to only
come from some certain computer objects and is only for my VC system. But
when I hit the ...button my ISA 2004 immediately eats up all its paging
file
and the event log gets filled wirh entries like this:
Event type: Error
Event source: Microsoft-Firewall
categorie: Keine
Event id: 14092
Date: 15.01.2009
Time: 14:15:17
User:
Computer: ISA
Description:
Server publishing rule [VIKO Publish incoming TCP 1024-65535] has failed.
The angegebene protocol can not be uses for publishing. Standort
325.2219.4.0.2167.887.
I tried to translated the event log entry as good as possible. Sorry if it
does not match the exact message in an english system.
So any ideas concerning my server going down (only reboot with firewall
service start type "manual" helps it to come up again) when attemting to
activate this rule will be appreciated.
Best regards,
Thomas
.
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