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Port 8807 (hes-clip)

IANA assigns port 8807 to hes-clip: HES-CLIP Interoperability protocol.

Registered (user) port, 1024-49151 UDP

Port 8807 is normally used over UDP; the checker tests TCP only, so a "filtered" result does not mean the UDP service is down.

IANA assignment

Service nameProtoDescriptionAssigneeReference
hes-clip UDP HES-CLIP Interoperability protocol Tim Schoechle -

Registry dates for this port: registered 2018-09-07.

Check what is listening on port 8807

Linux: UDP 8807
sudo ss -ulnp 'sport = :8807'
Linux / macOS: which process owns the port
sudo lsof -nP -i :8807
Windows (Command Prompt)
netstat -ano | findstr :8807
Windows (PowerShell)
Get-NetUDPEndpoint -LocalPort 8807

Test it from outside

UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 8807

Block port 8807 in the firewall

ufw
sudo ufw deny 8807/udp
iptables
sudo iptables -A INPUT -p udp --dport 8807 -j DROP
nftables
sudo nft add rule inet filter input udp dport 8807 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 8807' -Direction Inbound -Protocol UDP -LocalPort 8807 -Action Block

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8804truecm8805pfcp8808ssports-bcast88093gpp-monp

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