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Port 3366 (creativepartnr)

IANA assigns port 3366 to creativepartnr: Creative Partner.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
creativepartnr TCP Creative Partner Jesus Ortiz 2 -
creativepartnr UDP Creative Partner Jesus Ortiz 2 -

Check what is listening on port 3366

Linux: is anything listening on TCP 3366?
sudo ss -tlnp 'sport = :3366'
Linux: UDP 3366
sudo ss -ulnp 'sport = :3366'
Linux / macOS: which process owns the port
sudo lsof -nP -i :3366
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':3366 '
Windows (Command Prompt)
netstat -ano | findstr :3366
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 3366 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 3366
From Windows
Test-NetConnection HOST -Port 3366
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 3366

Block port 3366 in the firewall

ufw
sudo ufw deny 3366/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 3366 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 3366 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 3366' -Direction Inbound -Protocol TCP -LocalPort 3366 -Action Block
ufw
sudo ufw deny 3366/udp
iptables
sudo iptables -A INPUT -p udp --dport 3366 -j DROP
nftables
sudo nft add rule inet filter input udp dport 3366 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 3366' -Direction Inbound -Protocol UDP -LocalPort 3366 -Action Block

Related ports

455creativepartnr3364creativeserver3365contentserver3372tip23373lavenir-lm

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