Re: Cisco VPN client connecting trough ISA 2004 - problem
- From: "Henk Steunenberg \(Ms\)" <stjesp@xxxxxxxxxxx>
- Date: Thu, 6 Apr 2006 14:41:39 +0100
Hello,
http://support.microsoft.com/default.aspx?kbid=885407
By default, Windows XP SP2 no longer supports IPSec NAT-T security
associations to
servers that are located behind a network address translator. Therefore, if
your
virtual private network (VPN) server is behind a network address translator,
by
default, a Windows XP SP2-based VPN client cannot make a Layer Two Tunneling
Protocol with IPSec (L2TP/IPSec) connection to the VPN server. This scenario
includes a VPN server that is running Microsoft Windows Server 2003.
regards,
Henk
"Martin S." <smisik@xxxxxxxxx> wrote in message
news:em7mBLwVGHA.3940@xxxxxxxxxxxxxxxxxxxxxxx
Hello,
I have problem with clients connecting with CIsco VPN client to another
network. Our network is simple with ISA 2004 acting as gw and firewall. We
have all outgoing traffic allowed except TCP port 25. However, when users
are connecting with Cisco VPN client to mentioned network they are able to
connect succesfully but not to ping or connect to any device on that
network. From other netwroks it's working ok with same cisco client. We
use simple NAT, clients has 10.218.61.X adresses assigned by DHCP and ISA
has one public adress assigned. Remote network uses 192.168.100.X
adresses. As I wrote, when I connect from outside of our network it's
working fine. I can connect to remote network, and work normaly. If I
connect from our company network, I can connect but nothing else. Does
anyone has any idea what it can cause? Thanks for replies.
Martin
.
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