Port 648

Port 648 is used for the Registry Registrar Protocol (RRP) service, which is used by domain registrars to manage domain names in the Shared Registration System (SRS) of the Internet Corporation for Assigned Names and Numbers (ICANN).

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 648
tcp
rrp
Registry Registrar Protocol
WELL KNOWN PORT
Port 648
udp
rrp
Registry Registrar Protocol
WELL KNOWN 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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