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 3641
Port 3641 is used for the Joltid PeerCache protocol, which is used for peer-to-peer
Port 2882
Ports those registered with IANA are shown as official ports. The same port number
Ports 5200 – 5300
Port 5200- Port 5300 Port 5300- Port 5400 Port 5400- Port 5500 Port 5500-
Ports 36800 – 36900
Port 36800- Port 36900 Port 36900- Port 37000 Port 37000- Port 37100 Port 37100-
Port 2094
Port 2094 is typically used for communication between Citrix servers and the Secure Gateway
Ports 52300 – 52400
Port 52300- Port 52400 Port 52400- Port 52500 Port 52500- Port 52600 Port 52600-
Port 1667
Port 1667 is used for Internet Relay Chat (IRC) protocol over SSL (Secure Sockets
Port 32769
Ports those registered with IANA are shown as official ports. The same port number
Port 4080
Port 4080 is often used as an alternative HTTP port. It is commonly used
Port 9390
Ports those registered with IANA are shown as official ports. The same port number
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