Port 3333

Modified by:

Port 3333 is not specifically assigned to any service or protocol. However, it is commonly used as a backup or alternative HTTP port. Some applications such as Node.js and some web development frameworks use Port 3333 by default. Additionally, some online games may also use this port for communication.

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 3333
tcp
dec-notes
DEC Notes
REGISTERED PORT
Port 3333
udp
dec-notes
DEC Notes
REGISTERED PORT

UnOfficial

Unofficialy or sometimes with conflict, the same port may be used by different applications.

Port Protocol (TCP/UDP) Description
Port 3333 Network Caller ID server
TCP UDP Ports
Other ports
Ports 37300 – 37400
Port 37300- Port 37400 Port 37400- Port 37500 Port 37500- Port 37600 Port 37600-
Port 197
Ports those registered with IANA are shown as official ports. The same port number
Port 2263
Ports those registered with IANA are shown as official ports. The same port number
Port 4425
Ports those registered with IANA are shown as official ports. The same port number
Port 2112
Ports those registered with IANA are shown as official ports. The same port number
Port 8005
Port 8005 is typically used to access the Tomcat server shutdown feature. It is
Port 4350
Port 4350 is primarily used for communication between mobile devices and servers for mobile
Port 5912
Port 5912 is commonly used for remote desktop control software, particularly for Virtual Network
Port 1804
Ports those registered with IANA are shown as official ports. The same port number
Ports 16800 – 16900
Port 16800- Port 16900 Port 16900- Port 17000 Port 17000- Port 17100 Port 17100-
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