HTTPfy

Port 3466 (workflow)

IANA assigns port 3466 to workflow: WORKFLOW.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
workflow TCP WORKFLOW Robert Hufsky -
workflow UDP WORKFLOW Robert Hufsky -

Check what is listening on port 3466

Linux: is anything listening on TCP 3466?
sudo ss -tlnp 'sport = :3466'
Linux: UDP 3466
sudo ss -ulnp 'sport = :3466'
Linux / macOS: which process owns the port
sudo lsof -nP -i :3466
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':3466 '
Windows (Command Prompt)
netstat -ano | findstr :3466
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 3466 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 3466
From Windows
Test-NetConnection HOST -Port 3466
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 3466

Block port 3466 in the firewall

ufw
sudo ufw deny 3466/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 3466 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 3466 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 3466' -Direction Inbound -Protocol TCP -LocalPort 3466 -Action Block
ufw
sudo ufw deny 3466/udp
iptables
sudo iptables -A INPUT -p udp --dport 3466 -j DROP
nftables
sudo nft add rule inet filter input udp dport 3466 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 3466' -Direction Inbound -Protocol UDP -LocalPort 3466 -Action Block

Related ports

3464edm-mgr-sync3465edm-mgr-cntrl3467rcst3468ttcmremotectrl

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