Port 2191

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
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