Port 612
hmmp-ind · TCP/UDP
| Range | System/well-known port (0–1023) |
|---|---|
| Protocol | TCP/UDP |
| Service | hmmp-ind |
Frequently asked questions
What is port 612 used for?
Port 612 is registered with the IANA for hmmp-ind (TCP/UDP). Description: HMMP Indication.
Is port 612 a well-known port?
Yes. Port 612 is in the range 0–1023 (system or well-known ports). On Linux and macOS only privileged processes may bind to these ports.
How do I check whether port 612 is open?
Locally on Linux with ss -tulpn | grep ':612\b', on Windows with netstat -ano | findstr :612. To test a remote host use Test-NetConnection <host> -Port 612 in PowerShell or nc -zv <host> 612 on Linux/macOS.
How do I open port 612 in the firewall?
Ubuntu/Debian (ufw): sudo ufw allow 612/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=612/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 612" -Direction Inbound -Protocol TCP -LocalPort 612 -Action Allow.
IANA registry entries
| Protocol | Service | Description (IANA) |
|---|---|---|
| TCP | hmmp-ind | HMMP Indication |
| UDP | hmmp-ind | HMMP Indication |