What UDP Port is Used for IKE Traffic from VPN Client to Server?

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UX/UI Designer at - Adobe

If you’re wondering what UDP port is used for IKE traffic from VPN clients to servers, you’re in the right place. Keep reading to find out.

What UDP Port is Used for IKE Traffic from VPN Client to Server?Checkout this video:

Introduction

IKE uses UDP port 500 for phase 1 traffic and UDP port 4500 for phase 2 traffic. IKEv2 uses UDP port 500 for both phase 1 and phase 2 traffic.

UDP Port Number

The UDP port number used for IKE traffic from VPN Client to Server is 500.

IKE Traffic

UDP port 500 is used for IKE traffic.

VPN Client

UDP 500 is the default port used by IKE (Internet Key Exchange) for VPN traffic from a VPN client to server.

Server

IKE uses UDP port 500 for ISAKMP phase 1 traffic from VPN Client to Server and IPSecNAT-T traffic from VPN Client to Server.

Conclusion

IKE traffic uses UDP port 500.

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