Port 3

Modified by:

I’m sorry, but I do not have enough information to answer this question. Port 3 could be referring to a specific port on a piece of hardware, such as a computer or router, and its use would depend on the device and its configuration. Without more context, it is impossible to determine what Port 3 is used for.

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 3
tcp
compressnet
Compression Process
WELL KNOWN PORT
Port 3
udp
compressnet
Compression Process
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 2055
Port 2055 is commonly used for sending and receiving messages in the Internet Protocol
Port 54
Port 54 is not a well-known or commonly used port number. It is not
Port 4121
Ports those registered with IANA are shown as official ports. The same port number
Port 4401
Ports those registered with IANA are shown as official ports. The same port number
Port 2253
Port 2253 is used for the operation of the remote installation service (RIS) in
Port 8052
Ports those registered with IANA are shown as official ports. The same port number
Port 1655
Port 1655 is primarily used for the deployment of Xerox printing and scanning software.
Port 23402
Ports those registered with IANA are shown as official ports. The same port number
Port 4076
Ports those registered with IANA are shown as official ports. The same port number
Port 6486
Port 6486 is commonly used for communication between Microsoft Operations Manager (MOM) agents and
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