Port 257

Modified by:

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
Other ports
Port 3055
Ports those registered with IANA are shown as official ports. The same port number
Port 4062
Ports those registered with IANA are shown as official ports. The same port number
Port 3432
Port 3432 is used for accessing the PostgreSQL database management system. It is the
Port 2203
Port 2203 is commonly used for communication between remote desktop clients and servers using
Port 173
Ports those registered with IANA are shown as official ports. The same port number
Ports 38900 – 39000
Port 38900- Port 39000 Port 39000- Port 39100 Port 39100- Port 39200 Port 39200-
Port 8014
Ports those registered with IANA are shown as official ports. The same port number
Port 3680
Port 3680 is commonly used by the Apache Solr search platform, which is an
Ports 26000 – 26100
Port 26000- Port 26100 Port 26100- Port 26200 Port 26200- Port 26300 Port 26300-
Port 3806
Ports those registered with IANA are shown as official ports. The same port number
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