ISA Server 2004 VPN Clients cannot connect
- From: "Wayne Hutchinson" <whutchinson@xxxxxxx>
- Date: Fri, 9 Sep 2005 11:16:01 -0700
Greetings Everyone,
I have recently implemented a Microsoft ISA 2004 server and would like to
use the VPN server portion of it in conjunction with the firewall and proxy.
I am able to connect and authenicate to the VPN server and use all
client/server apps as long as the ACL on my Cisco 1700 series is not applied.
As soon as I apply the ACL my Windows clients receive error 721. This is a
denial of GRE packets. I have included the two lines that I have added to my
ACL to allow access to the VPN server. Port 1723 traffic is passing fine but
I cannot seem to get the VPN clients connected to the network. Are there any
additional ports that I should be adding statements for?
access-list 128 permit tcp any host 208.48.XXX.XXX eq 1723 log
access-list 128 permit tcp any host 208.48.XXX.XXX eq 47 log
My next step was to maybe change permit TCP to permit IP.
Thanks!
--
Wayne Hutchinson
IT Operations Manager
.
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