HTTPfy

Port 4157 (stat-scanner)

IANA assigns port 4157 to stat-scanner: STAT Scanner Control.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
stat-scanner TCP STAT Scanner Control - -
stat-scanner UDP STAT Scanner Control - -

Check what is listening on port 4157

Linux: is anything listening on TCP 4157?
sudo ss -tlnp 'sport = :4157'
Linux: UDP 4157
sudo ss -ulnp 'sport = :4157'
Linux / macOS: which process owns the port
sudo lsof -nP -i :4157
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':4157 '
Windows (Command Prompt)
netstat -ano | findstr :4157
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 4157 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 4157
From Windows
Test-NetConnection HOST -Port 4157
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 4157

Block port 4157 in the firewall

ufw
sudo ufw deny 4157/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 4157 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 4157 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 4157' -Direction Inbound -Protocol TCP -LocalPort 4157 -Action Block
ufw
sudo ufw deny 4157/udp
iptables
sudo iptables -A INPUT -p udp --dport 4157 -j DROP
nftables
sudo nft add rule inet filter input udp dport 4157 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 4157' -Direction Inbound -Protocol UDP -LocalPort 4157 -Action Block

Related ports

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