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Port 1266 (dellpwrappks)

IANA assigns port 1266 to dellpwrappks: DELLPWRAPPKS.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
dellpwrappks TCP DELLPWRAPPKS David Troeger -
dellpwrappks UDP DELLPWRAPPKS David Troeger -

Check what is listening on port 1266

Linux: is anything listening on TCP 1266?
sudo ss -tlnp 'sport = :1266'
Linux: UDP 1266
sudo ss -ulnp 'sport = :1266'
Linux / macOS: which process owns the port
sudo lsof -nP -i :1266
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':1266 '
Windows (Command Prompt)
netstat -ano | findstr :1266
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 1266 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 1266
From Windows
Test-NetConnection HOST -Port 1266
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 1266

Block port 1266 in the firewall

ufw
sudo ufw deny 1266/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 1266 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 1266 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 1266' -Direction Inbound -Protocol TCP -LocalPort 1266 -Action Block
ufw
sudo ufw deny 1266/udp
iptables
sudo iptables -A INPUT -p udp --dport 1266 -j DROP
nftables
sudo nft add rule inet filter input udp dport 1266 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 1266' -Direction Inbound -Protocol UDP -LocalPort 1266 -Action Block

Related ports

1264prat1265dssiapi1267epc1268propel-msgsys

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