Port 3542
hacl-monitor · TCP/UDP
| Range | Registered port (1024–49151) |
|---|---|
| Protocol | TCP/UDP |
| Service | hacl-monitor |
| Registered | 2002-07 |
Frequently asked questions
What is port 3542 used for?
Port 3542 is registered with the IANA for hacl-monitor (TCP/UDP). Description: HA cluster monitor.
Is port 3542 a well-known port?
No. Port 3542 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.
How do I check whether port 3542 is open?
Locally on Linux with ss -tulpn | grep ':3542\b', on Windows with netstat -ano | findstr :3542. To test a remote host use Test-NetConnection <host> -Port 3542 in PowerShell or nc -zv <host> 3542 on Linux/macOS.
How do I open port 3542 in the firewall?
Ubuntu/Debian (ufw): sudo ufw allow 3542/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=3542/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 3542" -Direction Inbound -Protocol TCP -LocalPort 3542 -Action Allow.
IANA registry entries
| Protocol | Service | Description (IANA) |
|---|---|---|
| TCP | hacl-monitor | HA cluster monitor |
| UDP | hacl-monitor | HA cluster monitor |