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Port 7794 (q3ade)

IANA assigns port 7794 to q3ade: Q3ADE Cluster Service.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
q3ade TCP Q3ADE Cluster Service Uffe Harksen -
q3ade UDP Q3ADE Cluster Service Uffe Harksen -

Registry dates for this port: registered 2005-08.

Check what is listening on port 7794

Linux: is anything listening on TCP 7794?
sudo ss -tlnp 'sport = :7794'
Linux: UDP 7794
sudo ss -ulnp 'sport = :7794'
Linux / macOS: which process owns the port
sudo lsof -nP -i :7794
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':7794 '
Windows (Command Prompt)
netstat -ano | findstr :7794
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 7794 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 7794
From Windows
Test-NetConnection HOST -Port 7794
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 7794

Block port 7794 in the firewall

ufw
sudo ufw deny 7794/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 7794 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 7794 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 7794' -Direction Inbound -Protocol TCP -LocalPort 7794 -Action Block
ufw
sudo ufw deny 7794/udp
iptables
sudo iptables -A INPUT -p udp --dport 7794 -j DROP
nftables
sudo nft add rule inet filter input udp dport 7794 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 7794' -Direction Inbound -Protocol UDP -LocalPort 7794 -Action Block

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