HTTPfy

Port 32483 (apm-link)

IANA assigns port 32483 to apm-link: Access Point Manager Link.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
apm-link TCP Access Point Manager Link Tony Diodato -
apm-link UDP Access Point Manager Link Tony Diodato -

Registry dates for this port: registered 2005-08.

Check what is listening on port 32483

Linux: is anything listening on TCP 32483?
sudo ss -tlnp 'sport = :32483'
Linux: UDP 32483
sudo ss -ulnp 'sport = :32483'
Linux / macOS: which process owns the port
sudo lsof -nP -i :32483
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':32483 '
Windows (Command Prompt)
netstat -ano | findstr :32483
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 32483 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 32483
From Windows
Test-NetConnection HOST -Port 32483
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 32483

Block port 32483 in the firewall

ufw
sudo ufw deny 32483/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 32483 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 32483 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 32483' -Direction Inbound -Protocol TCP -LocalPort 32483 -Action Block
ufw
sudo ufw deny 32483/udp
iptables
sudo iptables -A INPUT -p udp --dport 32483 -j DROP
nftables
sudo nft add rule inet filter input udp dport 32483 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 32483' -Direction Inbound -Protocol UDP -LocalPort 32483 -Action Block

Related ports

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