Port 1821

Modified by:

Port 1821 is commonly used by the software called VXCR, which is a software system designed for security used in remote connections via the internet or WAN. VXCR uses the port 1821 for communication between clients and servers.

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 1821
tcp
donnyworld
donnyworld
REGISTERED PORT
Port 1821
udp
donnyworld
donnyworld
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 2834
Ports those registered with IANA are shown as official ports. The same port number
Port 5553
Port 5553 is primarily used for Remote Installation Services (RIS) and Dynamic Host Configuration
Port 2473
Ports those registered with IANA are shown as official ports. The same port number
Port 246
Ports those registered with IANA are shown as official ports. The same port number
Port 1591
Port 1591 is not specifically assigned to any known service or application. It is
Port 674
Port 674 is used for ACAP (Application Configuration Access Protocol) which is a protocol
Port 13783
Ports those registered with IANA are shown as official ports. The same port number
Port 13160
Ports those registered with IANA are shown as official ports. The same port number
Port 6970
Port 6970 is not associated with any specific protocol or service. It is an
Port 3638
Port 3638 is commonly used for communication between a client and a server in
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