Port 3681

Modified by:

Port 3681 is typically used for UPnP (Universal Plug and Play) Internet Gateway Device (IGD) secure Internet communications. It is used to allow devices on a network to discover and communicate with each other, as well as to configure network settings automatically. This port is also used by some DVR (Digital Video Recorder) devices to allow remote viewing of surveillance footage over the internet.

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 3681
tcp
bts-x73
BTS X73 Port
REGISTERED PORT
Port 3681
udp
bts-x73
BTS X73 Port
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 6523
Ports those registered with IANA are shown as official ports. The same port number
Ports 43000 – 44000
Port 43000- Port 43100 Port 43100- Port 43200 Port 43200- Port 43300 Port 43300-
Port 2862
Ports those registered with IANA are shown as official ports. The same port number
Ports 37400 – 37500
Port 37400- Port 37500 Port 37500- Port 37600 Port 37600- Port 37700 Port 37700-
Port 4151
Port 4151 is commonly used for the NATS messaging system. It is a high-performance
Port 30718
Ports those registered with IANA are shown as official ports. The same port number
Port 3
I’m sorry, but I do not have enough information to answer this question. Port
Ports 1000 – 1100
Port 1000- Port 1100 Port 1100- Port 1200 Port 1200- Port 1300 Port 1300-
Port 2312
Ports those registered with IANA are shown as official ports. The same port number
Port 3496
Ports those registered with IANA are shown as official ports. The same port number
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