[isalist] Re: VPN Client Connection Problem
- From: Jim Harrison <Jim@xxxxxxxxxxxx>
- To: "isalist@xxxxxxxxxxxxx" <isalist@xxxxxxxxxxxxx>
- Date: Mon, 14 Jan 2008 18:06:43 -0800
http://www.ISAserver.org
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Can you include a couple of the log entries that indicate this traffic?
"VPN" is too vague; is this IPSec, PPTP, SSL-VPN..?
-----Original Message-----
From: isalist-bounce@xxxxxxxxxxxxx [mailto:isalist-bounce@xxxxxxxxxxxxx] On
Behalf Of Rob Moore
Sent: Monday, January 14, 2008 1:33 PM
To: isalist@xxxxxxxxxxxxx
Subject: [isalist] VPN Client Connection Problem
Hello all-
ISA 2006 Standard
Windows Server 2003
I've got an odd problem. I have a guy using a Mac trying to connect to my VPN
server. (The VPN server is a Windows server running behind the ISA server. It's
a PPTP VPN.) When he tries to connect, he gets this error message: "The
connection was terminated by the communication device. Please verify your
settings and try again". We've tried recreating his VPN connector. We've tried
connecting wired and wireless and from several different locations. I've also
successfully connected to the VPN server using his account but from different
computers, both Mac and PC.
When I monitor my own successful connection attempt on the firewall, I get a
single message that says the connection was initiated. When I monitor his
unsuccessful connection attempt, I get three entries. First it says the
connection was initiated. Then it says the connection was closed. Then I get a
"Denied" entry in which it appears the ISA server is trying to send the request
to the public IP address of the VPN server. The error is "0xc0040017
FWX_E_TCP_NOT_SYN_PACKET_DROPPED."
I've tried Googling it and gotten a lot of stuff, some of it ISA related, some
of it not. I also looked some in the archives of this list.
Can anyone point me in the right direction?
Thanks,
Rob
-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
Rob Moore
Network Manager
215-241-7870
Help Desk: 800-500-AFSC
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