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Port 2625 (blwnkl-port)

IANA assigns port 2625 to blwnkl-port: Blwnkl Port.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
blwnkl-port TCP Blwnkl Port Weng Chin Yung -
blwnkl-port UDP Blwnkl Port Weng Chin Yung -

Check what is listening on port 2625

Linux: is anything listening on TCP 2625?
sudo ss -tlnp 'sport = :2625'
Linux: UDP 2625
sudo ss -ulnp 'sport = :2625'
Linux / macOS: which process owns the port
sudo lsof -nP -i :2625
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':2625 '
Windows (Command Prompt)
netstat -ano | findstr :2625
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 2625 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 2625
From Windows
Test-NetConnection HOST -Port 2625
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 2625

Block port 2625 in the firewall

ufw
sudo ufw deny 2625/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 2625 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 2625 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 2625' -Direction Inbound -Protocol TCP -LocalPort 2625 -Action Block
ufw
sudo ufw deny 2625/udp
iptables
sudo iptables -A INPUT -p udp --dport 2625 -j DROP
nftables
sudo nft add rule inet filter input udp dport 2625 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 2625' -Direction Inbound -Protocol UDP -LocalPort 2625 -Action Block

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Assignment data: IANA port number registry (public domain), retrieved 2026-11-10.