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// Other services

Port 13722: BP Java MSVC Protocol

Port 13722 is assigned by IANA to bpjava-msvc (BP Java MSVC Protocol).

13722

How bpjava-msvc works

Other services
client:13722bpjava-msvcresponse client:13722bpjava-msvcresponse

The client sends a request to port 13722 and the bpjava-msvc service answers.

Transport
TCP · UDP
Exposure risk
not rated depends on the program listening
Encryption
Unknownnot stated by the registry
IANA status
Assigned1 registered service
Range
Registered (1024-49151)
Category
Other services
01 Security

Is port 13722 dangerous?

We have no specific security note for port 13722. Its risk depends on the program actually listening on it. General advice for other services services:

  • Close the port if nothing on the host needs it.
  • Identify the process that listens on it (commands below) before opening it in a firewall.
  • Expose a service only to the networks that use it.
02 Registry

IANA registry entries for port 13722

ServicePortTransportDescriptionReferenceUpdated
bpjava-msvc 13722 TCP, UDP BP Java MSVC Protocol - -

// source: IANA service name and port number registry

03 Check it

Which program uses port 13722, and is it reachable?

Linux

sudo ss -ltnup 'sport = :13722'      # process listening on 13722
sudo lsof -nP -i :13722

macOS

sudo lsof -nP -i :13722

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 13722 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 13722
netstat -ano | findstr :13722

From another machine

nmap -p 13722 -sV <host>
sudo nmap -sU -p 13722 <host>
nc -zv <host> 13722

Block it in the firewall

sudo ufw deny 13722/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 13722" -Direction Inbound -LocalPort 13722 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 13722 used for?

Port 13722 is assigned by IANA to bpjava-msvc (BP Java MSVC Protocol).

Is port 13722 TCP or UDP?

Port 13722 is registered for TCP and UDP.

Is it safe to open port 13722?

It depends on the program that listens on it. Open it only for a service you know and only to the networks that need it. Close the port if nothing on the host needs it.

How do I check if port 13722 is open?

On Linux run "ss -ltnup 'sport = :13722'", on macOS "lsof -nP -i :13722", and on Windows "netstat -ano | findstr :13722" to see the local process. From another machine, "nmap -p 13722 <host>" shows whether it is reachable.

05 Related
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