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Port 8778 (uec)

IANA assigns port 8778 to uec: Stonebranch Universal Enterprise Controller.

Registered (user) port, 1024-49151 TCP

IANA assignment

Service nameProtoDescriptionAssigneeReference
uec TCP Stonebranch Universal Enterprise Controller Stonebranch Inc -

Registry dates for this port: registered 2013-06-25.

Check what is listening on port 8778

Linux: is anything listening on TCP 8778?
sudo ss -tlnp 'sport = :8778'
Linux / macOS: which process owns the port
sudo lsof -nP -i :8778
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':8778 '
Windows (Command Prompt)
netstat -ano | findstr :8778
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 8778 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 8778
From Windows
Test-NetConnection HOST -Port 8778

Block port 8778 in the firewall

ufw
sudo ufw deny 8778/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 8778 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 8778 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 8778' -Direction Inbound -Protocol TCP -LocalPort 8778 -Action Block

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