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Port 13722 (bpjava-msvc)

IANA assigns port 13722 to bpjava-msvc: BP Java MSVC Protocol.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
bpjava-msvc TCP BP Java MSVC Protocol Tim Schmidt -
bpjava-msvc UDP BP Java MSVC Protocol Tim Schmidt -

Check what is listening on port 13722

Linux: is anything listening on TCP 13722?
sudo ss -tlnp 'sport = :13722'
Linux: UDP 13722
sudo ss -ulnp 'sport = :13722'
Linux / macOS: which process owns the port
sudo lsof -nP -i :13722
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':13722 '
Windows (Command Prompt)
netstat -ano | findstr :13722
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 13722 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 13722
From Windows
Test-NetConnection HOST -Port 13722
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 13722

Block port 13722 in the firewall

ufw
sudo ufw deny 13722/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 13722 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 13722 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 13722' -Direction Inbound -Protocol TCP -LocalPort 13722 -Action Block
ufw
sudo ufw deny 13722/udp
iptables
sudo iptables -A INPUT -p udp --dport 13722 -j DROP
nftables
sudo nft add rule inet filter input udp dport 13722 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 13722' -Direction Inbound -Protocol UDP -LocalPort 13722 -Action Block

Related ports

13720bprd13721bpdbm13724vnetd13782bpcd

All port numbers · Open port checker
Assignment data: IANA port number registry (public domain), retrieved 2026-11-10.