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Port 6626 (wago-service)

IANA assigns port 6626 to wago-service: WAGO Service and Update.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
wago-service TCP WAGO Service and Update Wolfgang Adler -
wago-service UDP WAGO Service and Update Wolfgang Adler -

Registry dates for this port: registered 2006-04.

Check what is listening on port 6626

Linux: is anything listening on TCP 6626?
sudo ss -tlnp 'sport = :6626'
Linux: UDP 6626
sudo ss -ulnp 'sport = :6626'
Linux / macOS: which process owns the port
sudo lsof -nP -i :6626
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':6626 '
Windows (Command Prompt)
netstat -ano | findstr :6626
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 6626 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 6626
From Windows
Test-NetConnection HOST -Port 6626
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 6626

Block port 6626 in the firewall

ufw
sudo ufw deny 6626/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 6626 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 6626 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 6626' -Direction Inbound -Protocol TCP -LocalPort 6626 -Action Block
ufw
sudo ufw deny 6626/udp
iptables
sudo iptables -A INPUT -p udp --dport 6626 -j DROP
nftables
sudo nft add rule inet filter input udp dport 6626 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 6626' -Direction Inbound -Protocol UDP -LocalPort 6626 -Action Block

Related ports

6624datascaler-db6625datascaler-ctl6627nexgen6628afesc-mc

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