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Port 4160 (jini-discovery)

IANA assigns port 4160 to jini-discovery: Jini Discovery.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
jini-discovery TCP Jini Discovery Mark Hodapp -
jini-discovery UDP Jini Discovery Mark Hodapp -

Check what is listening on port 4160

Linux: is anything listening on TCP 4160?
sudo ss -tlnp 'sport = :4160'
Linux: UDP 4160
sudo ss -ulnp 'sport = :4160'
Linux / macOS: which process owns the port
sudo lsof -nP -i :4160
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':4160 '
Windows (Command Prompt)
netstat -ano | findstr :4160
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 4160 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 4160
From Windows
Test-NetConnection HOST -Port 4160
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 4160

Block port 4160 in the firewall

ufw
sudo ufw deny 4160/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 4160 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 4160 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 4160' -Direction Inbound -Protocol TCP -LocalPort 4160 -Action Block
ufw
sudo ufw deny 4160/udp
iptables
sudo iptables -A INPUT -p udp --dport 4160 -j DROP
nftables
sudo nft add rule inet filter input udp dport 4160 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 4160' -Direction Inbound -Protocol UDP -LocalPort 4160 -Action Block

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Assignment data: IANA port number registry (public domain), retrieved 2026-11-10.