How in the world do I get the Cisco VPN client to work through the ISA Server?
Check out http://forums.isaserver.org/ultimatebb.cgi?ubb=get_topic;f=2;t=002752 Some other links about the same subject: – http://forums.isaserver.org/ultimatebb.cgi?ubb=get_topic;f=2;t=001902 – http://forums.isaserver.org/ultimatebb.cgi?ubb=get_topic;f=2;t=002752 – http://forums.isaserver.org/ultimatebb.cgi?ubb=get_topic;f=13;t=000503 – http://forums.isaserver.org/ultimatebb.cgi?ubb=get_topic;f=13;t=000495 – http://forums.isaserver.org/ultimatebb.cgi?ubb=get_topic;f=13;t=000570 The basic setup is: 1. Create two protocol definitions: – UDP Port 500 Send Receive : this is for the IKE protocol (key negotiation). – UDP Port XXXX Send Receive : this is for the UDP encapsulated ESP packets. The administrator of the VPN gateway should be able to tell you the exact portnumber to use. 2. Next, create a protocol rule who allows those two created protocols. 3. One thing you must keep in mind is that the client must be a SecureNAT client and that the firewall client must be disabled when setting