Port 1643

Port 1643 is commonly used for the authentication and authorization process of Remote Authentication Dial-In User Service (RADIUS) servers. It is specifically used for the communication between a RADIUS client and a RADIUS server for authentication, authorization, and accounting of network access.

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 1643
tcp
isis-ambc
isis-ambc
REGISTERED PORT
Port 1643
udp
isis-ambc
isis-ambc
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
Add comment