Description
The following ports are used for communication between NAC and the Persistent Agent.
Solution
Versions and Port Usage.
Agent 3.x and 4.x: TCP 4568 and UDP 4567.
Agent 5.x and later with NAC 8.1 and lower: TCP 4568 and UDP 4567.
Agent 5.0 to 5.2.6.69: TCP 4568 and UDP 4567.
Agent 5.3.x and up: TCP 4568 only.
Port: UDP 4567.
Description: Persistent Agent Communication.
Direction: Application Server eth0 & eth1: Bi-directional.
Port: TCP 4568.
Description
Establish Persistent Agent Communication (SSL) connection.
Agent 5.x and later with NAC 8.2 and later: Establish the Persistent Agent Communication. (SSL) connection and Persistent Agent Communication.
Direction: Application Server eth0 & eth1: Bi-directional.
Note: For L3 Network Type configurations, it is possible when communicating via eth1 that the UDP traffic may be sent out the main eth1 IP address as opposed to the sub-interface (eth1:1, eth1:2, etc).
Port: TCP 80.
Description: Required when NAC is configured to upgrade the Persistent Agent.
Direction: Application Server eth0 & eth1: Bi-directional.
For a complete list of ports used by the appliance, refer to related document below.
