Port 6444
sge-qmaster and sge_qmaster · TCP/UDP
| Range | Registered port (1024–49151) |
|---|---|
| Protocol | TCP/UDP |
| Service | sge-qmaster and sge_qmaster |
| Registered | 2006-08 |
Frequently asked questions
What is port 6444 used for?
Port 6444 is registered with the IANA for sge-qmaster and sge_qmaster (TCP/UDP). Description: Grid Engine Qmaster Service IANA assigned this well-formed service name as a replacement for "sge_qmaster".; Grid Engine Qmaster Service.
Is port 6444 a well-known port?
No. Port 6444 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.
How do I check whether port 6444 is open?
Locally on Linux with ss -tulpn | grep ':6444\b', on Windows with netstat -ano | findstr :6444. To test a remote host use Test-NetConnection <host> -Port 6444 in PowerShell or nc -zv <host> 6444 on Linux/macOS.
How do I open port 6444 in the firewall?
Ubuntu/Debian (ufw): sudo ufw allow 6444/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=6444/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 6444" -Direction Inbound -Protocol TCP -LocalPort 6444 -Action Allow.
IANA registry entries
| Protocol | Service | Description (IANA) |
|---|---|---|
| TCP | sge-qmaster | Grid Engine Qmaster Service IANA assigned this well-formed service name as a replacement for "sge_qmaster". |
| TCP | sge_qmaster | Grid Engine Qmaster Service |
| UDP | sge-qmaster | Grid Engine Qmaster Service IANA assigned this well-formed service name as a replacement for "sge_qmaster". |
| UDP | sge_qmaster | Grid Engine Qmaster Service |