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Port 3463 (edm-adm-notify)

IANA assigns port 3463 to edm-adm-notify: EDM ADM Notify.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
edm-adm-notify TCP EDM ADM Notify - -
edm-adm-notify UDP EDM ADM Notify - -

Check what is listening on port 3463

Linux: is anything listening on TCP 3463?
sudo ss -tlnp 'sport = :3463'
Linux: UDP 3463
sudo ss -ulnp 'sport = :3463'
Linux / macOS: which process owns the port
sudo lsof -nP -i :3463
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':3463 '
Windows (Command Prompt)
netstat -ano | findstr :3463
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 3463 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 3463
From Windows
Test-NetConnection HOST -Port 3463
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 3463

Block port 3463 in the firewall

ufw
sudo ufw deny 3463/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 3463 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 3463 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 3463' -Direction Inbound -Protocol TCP -LocalPort 3463 -Action Block
ufw
sudo ufw deny 3463/udp
iptables
sudo iptables -A INPUT -p udp --dport 3463 -j DROP
nftables
sudo nft add rule inet filter input udp dport 3463 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 3463' -Direction Inbound -Protocol UDP -LocalPort 3463 -Action Block

Related ports

3461edm-stager3462edm-std-notify3464edm-mgr-sync3465edm-mgr-cntrl

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