Port 257

Port 257 is not assigned by the IANA (Internet Assigned Numbers Authority) for any specific purpose. However, it is used by some software or applications for communication purposes. It is recommended to check the documentation of the specific software or application that is using this port to determine its exact purpose.

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 257
tcp
set
Secure Electronic Transaction
WELL KNOWN PORT
Port 257
udp
set
Secure Electronic Transaction
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
Add comment