This article answers the question, “What UDP port is used for IKE traffic from VPN client to server?”
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Introduction
The main function of the IKE (Internet Key Exchange) is to set up a secure tunnel between two devices so that they can communicate securely. This is done by using the IPsec protocol, which is responsible for encryption and authentication. In order to set up a secure tunnel, IKE uses UDP port 500.
UDP Port Number
UDP port number 500 is used for IKE traffic from VPN client to server.
IKE Traffic
IKE traffic uses UDP port 500.
Conclusion
In conclusion, the port 500 is used for IKE traffic from VPN client to server.