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Port 7088 (zixi-transport)

IANA assigns port 7088 to zixi-transport: Zixi live video transport protocol.

Registered (user) port, 1024-49151 UDP

Port 7088 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
zixi-transport UDP Zixi live video transport protocol Zixi -

Registry dates for this port: registered 2015-11-16.

Check what is listening on port 7088

Linux: UDP 7088
sudo ss -ulnp 'sport = :7088'
Linux / macOS: which process owns the port
sudo lsof -nP -i :7088
Windows (Command Prompt)
netstat -ano | findstr :7088
Windows (PowerShell)
Get-NetUDPEndpoint -LocalPort 7088

Test it from outside

UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 7088

Block port 7088 in the firewall

ufw
sudo ufw deny 7088/udp
iptables
sudo iptables -A INPUT -p udp --dport 7088 -j DROP
nftables
sudo nft add rule inet filter input udp dport 7088 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 7088' -Direction Inbound -Protocol UDP -LocalPort 7088 -Action Block

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