Port 4500

Modified by:

Port 4500 is often used for NAT traversal for IPsec. It is utilized for the establishment of IPsec tunnels and for network address translation traversal to enable communication between IPsec hosts that are behind NAT routers.

Ports those registered with IANA are shown as official ports. The same port number may be unofficialy used by various services or applications. The official usage are listed separately below its usage may change from time to time.

Official

Port
Protocol (TCP/UDP)
Title
Description
Port Type
Port 4500
tcp
ipsec-nat-t
IPsec NAT-Traversal
REGISTERED PORT
Port 4500
udp
ipsec-nat-t
IPsec NAT-Traversal
REGISTERED PORT

UnOfficial

Unofficialy or sometimes with conflict, the same port may be used by different applications.

Port Protocol (TCP/UDP) Description
TCP UDP Ports
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