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Port 6679 (osaut)

IANA assigns port 6679 to osaut: Osorno Automation.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
osaut TCP Osorno Automation Peter Hombach -
osaut UDP Osorno Automation Peter Hombach -

Registry dates for this port: registered 2011-03-16.

Check what is listening on port 6679

Linux: is anything listening on TCP 6679?
sudo ss -tlnp 'sport = :6679'
Linux: UDP 6679
sudo ss -ulnp 'sport = :6679'
Linux / macOS: which process owns the port
sudo lsof -nP -i :6679
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':6679 '
Windows (Command Prompt)
netstat -ano | findstr :6679
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 6679 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 6679
From Windows
Test-NetConnection HOST -Port 6679
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 6679

Block port 6679 in the firewall

ufw
sudo ufw deny 6679/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 6679 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 6679 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 6679' -Direction Inbound -Protocol TCP -LocalPort 6679 -Action Block
ufw
sudo ufw deny 6679/udp
iptables
sudo iptables -A INPUT -p udp --dport 6679 -j DROP
nftables
sudo nft add rule inet filter input udp dport 6679 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 6679' -Direction Inbound -Protocol UDP -LocalPort 6679 -Action Block

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6673vision-elmd, vision_elmd6678vfbp, vfbp-disc6687clever-ctrace6688clever-tcpip

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