Re: UDP communication with vpn client
- From: "Phillip Windell" <philwindell@xxxxxxxxxxx>
- Date: Thu, 7 Feb 2008 13:09:32 -0600
We need to know more than the fact that it uses UDP.
You need to create a custom Protocol for the traffic in ISA.
Then create an Access Rule similar to this:
From: Internal, VPN Clients
To: Internal, VPN Clients
Protocol: <the protocol you created>
Users: All Users <or use specific users>
I am assuming this is a Remote Access VPN and not the Site-to-Site VPN. The
two are not that same thing.
--
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.
-----------------------------------------------------
Understanding the ISA 2004 Access Rule Processing
http://www.isaserver.org/articles/ISA2004_AccessRules.html
Troubleshooting Client Authentication on Access Rules in ISA Server 2004
http://download.microsoft.com/download/9/1/8/918ed2d3-71d0-40ed-8e6d-fd6eeb6cfa07/ts_rules.doc
Microsoft Internet Security & Acceleration Server: Partners
http://www.microsoft.com/isaserver/partners/default.asp
Microsoft ISA Server Partners: Partner Hardware Solutions
http://www.microsoft.com/forefront/edgesecurity/partners/hardwarepartners.mspx
-----------------------------------------------------
"David" <David@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote in message
news:3C968233-D921-4823-9966-A415CF44AA5B@xxxxxxxxxxxxxxxx
Hello,
I posted a question on the "microsoft.public.win32.programmer.networks"
news
group.
http://msdn.microsoft.com/newsgroups/default.aspx?&lang=en&cr=US&guid=&sloc=en-us&dg=microsoft.public.win32.programmer.networks&p=1&tid=0bc088b4-ed6c-4c76-bc41-88d553b4db67
Not wanting to double post, the above link is to my original post. I was
unaware of this site before and believe I should have post here instead.
The basics of my problem are that I have an application that uses
connectionless UDP communication to communicate with other instances on a
LAN. I am attempting to use this application where one side is on a
computer
connected to a LAN via a VPN connection.
UDP packets sent by the VPN client are successfully received by an
instance
of the application on the LAN, but when the instance existing on the LAN
sends a UDP packet to the instance running on the VPN client machine, the
packet fails to make it.
The (ISA 2006) VPN server is set up using VPN and NAT configuration.
Can someone please advice on how to correct this problem? It seems that
the
VPN server is not properly advertising the remotes IP Address to the
switches
on the LAN, or some variation of this.
--
Best Regards.
.
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