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Port 7802 (vns-tp)

IANA assigns port 7802 to vns-tp: Virtualized Network Services Tunnel Protocol.

Registered (user) port, 1024-49151 UDP

Port 7802 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
vns-tp UDP Virtualized Network Services Tunnel Protocol Juniper Networks -

Registry dates for this port: registered 2013-02-01.

Check what is listening on port 7802

Linux: UDP 7802
sudo ss -ulnp 'sport = :7802'
Linux / macOS: which process owns the port
sudo lsof -nP -i :7802
Windows (Command Prompt)
netstat -ano | findstr :7802
Windows (PowerShell)
Get-NetUDPEndpoint -LocalPort 7802

Test it from outside

UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 7802

Block port 7802 in the firewall

ufw
sudo ufw deny 7802/udp
iptables
sudo iptables -A INPUT -p udp --dport 7802 -j DROP
nftables
sudo nft add rule inet filter input udp dport 7802 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 7802' -Direction Inbound -Protocol UDP -LocalPort 7802 -Action Block

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