HTTPfy

Port 3252 (dhe)

IANA assigns port 3252 to dhe: DHE port.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
dhe TCP DHE port Fabrizio Massimo Fer -
dhe UDP DHE port Fabrizio Massimo Fer -

Registry dates for this port: registered 2002-02.

Check what is listening on port 3252

Linux: is anything listening on TCP 3252?
sudo ss -tlnp 'sport = :3252'
Linux: UDP 3252
sudo ss -ulnp 'sport = :3252'
Linux / macOS: which process owns the port
sudo lsof -nP -i :3252
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':3252 '
Windows (Command Prompt)
netstat -ano | findstr :3252
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 3252 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 3252
From Windows
Test-NetConnection HOST -Port 3252
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 3252

Block port 3252 in the firewall

ufw
sudo ufw deny 3252/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 3252 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 3252 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 3252' -Direction Inbound -Protocol TCP -LocalPort 3252 -Action Block
ufw
sudo ufw deny 3252/udp
iptables
sudo iptables -A INPUT -p udp --dport 3252 -j DROP
nftables
sudo nft add rule inet filter input udp dport 3252 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 3252' -Direction Inbound -Protocol UDP -LocalPort 3252 -Action Block

Related ports

3250hicp3251sysscanner3253pda-data3254pda-sys

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