Port 4991

Modified by:

Port 4991 is typically used for the TCP version of the Remote Procedure Call (RPC) protocol for administration and management of Network File System (NFS) servers. It is also commonly used for communication between multiple SAP routers.

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 4991
tcp
vrt
VITA Radio Transport
REGISTERED PORT
Port 4991
udp
vrt
VITA Radio Transport
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 4128
Port 4128 is commonly used for remote administration and management of firewalls. It is
Port 3859
Ports those registered with IANA are shown as official ports. The same port number
Port 1636
Port 1636 is typically used for the monitoring and management of Cisco Network Registrar
Port 2953
Ports those registered with IANA are shown as official ports. The same port number
Port 6506
Ports those registered with IANA are shown as official ports. The same port number
Port 1704
Port 1704 is used for Apple Remote Desktop (ARD) that is a protocol used
Port 7902
Port 7902 is not associated with any well-known service or application. It is possible
Port 6771
Port 6771 is often used for the GameSpy Arcade service, which is an online
Port 4302
Ports those registered with IANA are shown as official ports. The same port number
Port 1737
Ports those registered with IANA are shown as official ports. The same port number
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