Port 4064

ice-srouter · TCP/UDP

RangeRegistered port (1024–49151)
ProtocolTCP/UDP
Serviceice-srouter
Registered2006-12

Frequently asked questions

What is port 4064 used for?

Port 4064 is registered with the IANA for ice-srouter (TCP/UDP). Description: Ice Firewall Traversal Service (SSL).

Is port 4064 a well-known port?

No. Port 4064 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.

How do I check whether port 4064 is open?

Locally on Linux with ss -tulpn | grep ':4064\b', on Windows with netstat -ano | findstr :4064. To test a remote host use Test-NetConnection <host> -Port 4064 in PowerShell or nc -zv <host> 4064 on Linux/macOS.

How do I open port 4064 in the firewall?

Ubuntu/Debian (ufw): sudo ufw allow 4064/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=4064/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 4064" -Direction Inbound -Protocol TCP -LocalPort 4064 -Action Allow.

IANA registry entries

ProtocolServiceDescription (IANA)
TCPice-srouterIce Firewall Traversal Service (SSL)
UDPice-srouterIce Firewall Traversal Service (SSL)

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