Re: VPN anomaly
- From: "Ray Dzek" <rdzek@xxxxxxxxxxxxxxx>
- To: "[ISAserver.org Discussion List]" <isalist@xxxxxxxxxxxxx>
- Date: Fri, 30 Nov 2001 08:43:57 -0800
We tracked the problem down with the help of our ISP. We use a wireless T1
for our internet access to a local ISP. It seems the ISP was seeing a lot
of re-transmits on our link. Upon inspection of the system, it looks like
somebody had moved the antenna on the roof of our building. It was enough
that it was throwing the data stream for a loop.
Problem solved.
----- Original Message -----
From: "[ISAserver.org Discussion List]" <isalist@xxxxxxxxxxxxx>
To: "[ISAserver.org Discussion List]" <isalist@xxxxxxxxxxxxx>
Sent: Thursday, November 29, 2001 9:49 AM
Subject: [isalist] VPN anomaly
http://www.ISAserver.org
Okay, here's one to twist your noodles on.
We are testing the ability to VPN using PPTP on the ISA server. I have
several guinea pigs (field sales) using their DSL connections (yes, I made
them buy firewall routers first) to tunnel to the ISA server. I'm using the
RADIUS athentication and accounting. The radius server is one from the NT
4.0 Option Pack. All that works fine. They can get to the intranet,
telnet, etc. They can send email. But they can't download email!? We are
using cc:Mail (yeuck) with cc:Mail IP routers for the remote clients.
Downloading works fine if they dial up to the regular RAS server. But, when
they come in on the VPN, the download connection gets dropped.
Ray Dzek
Network Operations / Helpdesk
Specialized Bicycle Components
15130 Concord Circle
Morgan Hill, CA 95037
Ph: 408-782-5420
Fx: 408-782-5421
Pg: 408-589-4250
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