Port 3603

Modified by:

Port 3603 is commonly used for video conferencing and screen sharing applications such as Microsoft Lync, Skype for Business, and Cisco WebEx.

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 3603
tcp
int-rcv-cntrl
Integrated Rcvr Control
REGISTERED PORT
Port 3603
udp
int-rcv-cntrl
Integrated Rcvr Control
REGISTERED 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 2801
Port 2801 is commonly used for communication between routers and the Cisco Group Management
Port 7913
Port 7913 is typically used for the WebSocket Secure (WSS) protocol, which is a
Ports 13500 – 13600
Port 13500- Port 13600 Port 13600- Port 13700 Port 13700- Port 13800 Port 13800-
Port 3834
Ports those registered with IANA are shown as official ports. The same port number
Port 2849
Ports those registered with IANA are shown as official ports. The same port number
Ports 30000 – 31000
Port 30000- Port 30100 Port 30100- Port 30200 Port 30200- Port 30300 Port 30300-
Ports 42100 – 42200
Port 42100- Port 42200 Port 42200- Port 42300 Port 42300- Port 42400 Port 42400-
Ports 35500 – 35600
Port 35500- Port 35600 Port 35600- Port 35700 Port 35700- Port 35800 Port 35800-
Port 6145
Ports those registered with IANA are shown as official ports. The same port number
Port 21847
Ports those registered with IANA are shown as official ports. The same port number
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