Port 2191

Modified by:

Port 2191 is used for communication with the Apple Push Notification Service (APNS). It is a standard TCP port used to send and receive push notifications to and from iOS devices.

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 2191
tcp
tvbus
TvBus Messaging
REGISTERED PORT
Port 2191
udp
tvbus
TvBus Messaging
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
Ports 18600 – 18700
Port 18600- Port 18700 Port 18700- Port 18800 Port 18800- Port 18900 Port 18900-
Port 6106
Ports those registered with IANA are shown as official ports. The same port number
Port 4597
Ports those registered with IANA are shown as official ports. The same port number
Port 2152
Port 2152 is used for the GPRS Tunneling Protocol (GTP) between Serving GPRS Support
Port 6489
Ports those registered with IANA are shown as official ports. The same port number
Port 245
Ports those registered with IANA are shown as official ports. The same port number
Port 6964
Port 6964 is typically used for the Cisco Secure Intrusion Detection System (IDS), which
Port 1889
Ports those registered with IANA are shown as official ports. The same port number
Port 4081
Ports those registered with IANA are shown as official ports. The same port number
Ports 8500 – 8600
Port 8500- Port 8600 Port 8600- Port 8700 Port 8700- Port 8800 Port 8800-
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