HTTPfy

Port 7201 (dlip)

IANA assigns port 7201 to dlip: DLIP.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
dlip TCP DLIP Albert Manfredi -
dlip UDP DLIP Albert Manfredi -

Check what is listening on port 7201

Linux: is anything listening on TCP 7201?
sudo ss -tlnp 'sport = :7201'
Linux: UDP 7201
sudo ss -ulnp 'sport = :7201'
Linux / macOS: which process owns the port
sudo lsof -nP -i :7201
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':7201 '
Windows (Command Prompt)
netstat -ano | findstr :7201
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 7201 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 7201
From Windows
Test-NetConnection HOST -Port 7201
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 7201

Block port 7201 in the firewall

ufw
sudo ufw deny 7201/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 7201 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 7201 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 7201' -Direction Inbound -Protocol TCP -LocalPort 7201 -Action Block
ufw
sudo ufw deny 7201/udp
iptables
sudo iptables -A INPUT -p udp --dport 7201 -j DROP
nftables
sudo nft add rule inet filter input udp dport 7201 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 7201' -Direction Inbound -Protocol UDP -LocalPort 7201 -Action Block

Related ports

7181janus-disc7200fodms7202pon-ictp7215PS-Server

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