RE: VPN and XP $5 Question - a little off topic?

  • From: "Bryan Andrews" <bandrews@xxxxxxxxxxxxxxxxxx>
  • To: "[ISAserver.org Discussion List]" <isalist@xxxxxxxxxxxxx>
  • Date: Wed, 19 Feb 2003 08:40:07 -0500

Sorry to drag this on... what about the XP firewall... shouldn't the tunnel 
bypass that as well?

Again I can map a drive to my home pc (from work) when the vpn is still in 
place (I leave my vpn on pretty much all the time - even when I leave and go to 
work).

This would indicate to me that exchange should be able to get to it... unless 
it's a matter of exchange not knowing where it is. Do VPN clients register 
dynamically in the dns? Does this perhaps have something to do with this?


 -----Original Message-----
From:   Thomas W Shinder [mailto:tshinder@xxxxxxxxxxxxxxxxxx] 
Sent:   Tuesday, February 18, 2003 9:46 PM
To:     [ISAserver.org Discussion List]
Subject:        [isalist] RE: VPN and XP $5 Question - a little off topic?

http://www.ISAserver.org


Hi Bryan,

That is correct. Anything going through the tunnel is not inspected by
ISA Server.

HTH,
Tom

Thomas W Shinder
www.isaserver.org/shinder 
ISA Server and Beyond: http://tinyurl.com/1jq1
Configuring ISA Server: http://tinyurl.com/1llp 


-----Original Message-----
From: Bryan Andrews [mailto:bandrews@xxxxxxxxxxxxxxxxxx] 
Sent: Tuesday, February 18, 2003 7:08 AM
To: [ISAserver.org Discussion List]
Subject: [isalist] RE: VPN and XP $5 Question - a little off topic?


http://www.ISAserver.org


Alas outlook 2002 is imo a pig that takes twice as long to communicate
with E2K giving those horrible messages about delays, etc.

So, maybe this is a stupid question, but is my firewall blocking any
traffic between my client and ISA? I was under the impression that a
tunnel precluded any firewall rules...

Thanks for the response!


 -----Original Message-----
From:   Tom Mendelboim [mailto:tomerm1@xxxxxxx] 
Sent:   Tuesday, February 18, 2003 1:49 AM
To:     [ISAserver.org Discussion List]
Subject:        [isalist] RE: VPN and XP $5 Question - a little off
topic?

http://www.ISAserver.org


It's not your ISA VPN connection. Outlook 2K requires a few ports to be
open. You will need to research which port controls the mail
notification. You can run a sniffer to see which ports Exchange is
trying to communicate with at the client interface. This problem was
resolved with Outlook 2002.

Tom

-----Original Message-----
From: Bryan Andrews [mailto:bandrews@xxxxxxxxxxxxxxxxxx] 
Sent: Monday, February 17, 2003 8:25 PM
To: [ISAserver.org Discussion List]
Subject: [isalist] VPN and XP $5 Question - a little off topic?

http://www.ISAserver.org


We have users that connect via XP Pro at their home with the built in
firewall running. They use their Outlook 2000 client to connect to
exchange over vpn. Their outlook will not see a new message unless they
click around... If we turn off the xp firewall, they see messages
immediately as they come in as Exchange and mapi normally do.

Is there something we can do here? Its not that big of a deal but still
a nuisance...

I know that this may not be directly related - but I thought perhaps
someone has ran into this with their ISA VPN trials of life...

Thanks for any thoughts!





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