Port 8767 (core-of-source)

IANA assigns port 8767 to core-of-source: Online mobile multiplayer game.

Registered (user) port, 1024-49151 TCP

IANA assignment

Service nameProtoDescriptionAssigneeReference

core-of-source TCP Online mobile multiplayer game Alt Solve Sdn Bhd -

Registry dates for this port: registered 2019-07-24.

Linux: is anything listening on TCP 8767?

sudo ss -tlnp 'sport = :8767'

Linux / macOS: which process owns the port

sudo lsof -nP -i :8767

Older Linux / BSD (net-tools)

sudo netstat -tlnp | grep ':8767 '

Windows (Command Prompt)

netstat -ano | findstr :8767

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 8767 -State Listen | Select LocalAddress,OwningProcess

From another machine

nc -vz -w 5 HOST 8767

From Windows

Test-NetConnection HOST -Port 8767

ufw

sudo ufw deny 8767/tcp

iptables

sudo iptables -A INPUT -p tcp --dport 8767 -j DROP

nftables

sudo nft add rule inet filter input tcp dport 8767 drop

Windows Firewall

New-NetFirewallRule -DisplayName 'Block TCP 8767' -Direction Inbound -Protocol TCP -LocalPort 8767 -Action Block

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