HTTPfy

Port 3465 (edm-mgr-cntrl)

IANA assigns port 3465 to edm-mgr-cntrl: EDM MGR Cntrl.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
edm-mgr-cntrl TCP EDM MGR Cntrl Tom Hennessy -
edm-mgr-cntrl UDP EDM MGR Cntrl Tom Hennessy -

Check what is listening on port 3465

Linux: is anything listening on TCP 3465?
sudo ss -tlnp 'sport = :3465'
Linux: UDP 3465
sudo ss -ulnp 'sport = :3465'
Linux / macOS: which process owns the port
sudo lsof -nP -i :3465
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':3465 '
Windows (Command Prompt)
netstat -ano | findstr :3465
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 3465 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 3465
From Windows
Test-NetConnection HOST -Port 3465
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 3465

Block port 3465 in the firewall

ufw
sudo ufw deny 3465/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 3465 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 3465 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 3465' -Direction Inbound -Protocol TCP -LocalPort 3465 -Action Block
ufw
sudo ufw deny 3465/udp
iptables
sudo iptables -A INPUT -p udp --dport 3465 -j DROP
nftables
sudo nft add rule inet filter input udp dport 3465 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 3465' -Direction Inbound -Protocol UDP -LocalPort 3465 -Action Block

Related ports

3463edm-adm-notify3464edm-mgr-sync3466workflow3467rcst

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