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Port 716 (pana)

IANA assigns port 716 to pana: PANA Messages.

Well-known (system) port, 0-1023 UDP

Port 716 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
pana UDP PANA Messages - RFC 5191

Check what is listening on port 716

Linux: UDP 716
sudo ss -ulnp 'sport = :716'
Linux / macOS: which process owns the port
sudo lsof -nP -i :716
Windows (Command Prompt)
netstat -ano | findstr :716
Windows (PowerShell)
Get-NetUDPEndpoint -LocalPort 716

Test it from outside

UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 716

Block port 716 in the firewall

ufw
sudo ufw deny 716/udp
iptables
sudo iptables -A INPUT -p udp --dport 716 -j DROP
nftables
sudo nft add rule inet filter input udp dport 716 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 716' -Direction Inbound -Protocol UDP -LocalPort 716 -Action Block

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