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Port 10860 (helix)

IANA assigns port 10860 to helix: Helix Client/Server.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
helix TCP Helix Client/Server Matthew Strange, Larry Atkin 2 -
helix UDP Helix Client/Server Matthew Strange, Larry Atkin 2 -

Registry dates for this port: registered 2009-03-06.

Check what is listening on port 10860

Linux: is anything listening on TCP 10860?
sudo ss -tlnp 'sport = :10860'
Linux: UDP 10860
sudo ss -ulnp 'sport = :10860'
Linux / macOS: which process owns the port
sudo lsof -nP -i :10860
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':10860 '
Windows (Command Prompt)
netstat -ano | findstr :10860
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 10860 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 10860
From Windows
Test-NetConnection HOST -Port 10860
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 10860

Block port 10860 in the firewall

ufw
sudo ufw deny 10860/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 10860 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 10860 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 10860' -Direction Inbound -Protocol TCP -LocalPort 10860 -Action Block
ufw
sudo ufw deny 10860/udp
iptables
sudo iptables -A INPUT -p udp --dport 10860 -j DROP
nftables
sudo nft add rule inet filter input udp dport 10860 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 10860' -Direction Inbound -Protocol UDP -LocalPort 10860 -Action Block

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