HTTPfy

Port 2872 (radix)

IANA assigns port 2872 to radix: RADIX.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
radix TCP RADIX Stein Roger Skaflott -
radix UDP RADIX Stein Roger Skaflott -

Registry dates for this port: last modified 2011-07-06.

Check what is listening on port 2872

Linux: is anything listening on TCP 2872?
sudo ss -tlnp 'sport = :2872'
Linux: UDP 2872
sudo ss -ulnp 'sport = :2872'
Linux / macOS: which process owns the port
sudo lsof -nP -i :2872
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':2872 '
Windows (Command Prompt)
netstat -ano | findstr :2872
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 2872 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 2872
From Windows
Test-NetConnection HOST -Port 2872
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 2872

Block port 2872 in the firewall

ufw
sudo ufw deny 2872/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 2872 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 2872 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 2872' -Direction Inbound -Protocol TCP -LocalPort 2872 -Action Block
ufw
sudo ufw deny 2872/udp
iptables
sudo iptables -A INPUT -p udp --dport 2872 -j DROP
nftables
sudo nft add rule inet filter input udp dport 2872 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 2872' -Direction Inbound -Protocol UDP -LocalPort 2872 -Action Block

Related ports

2870daishi2871msi-selectplay2873psrt2874dxmessagebase1

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