Port 27442
jesmsjc · TCP/UDP
| Range | Registered port (1024–49151) |
|---|---|
| Protocol | TCP/UDP |
| Service | jesmsjc |
| Registered | 2010-10-15 |
Frequently asked questions
What is port 27442 used for?
Port 27442 is registered with the IANA for jesmsjc (TCP/UDP). Description: Job controller service.
Is port 27442 a well-known port?
No. Port 27442 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.
How do I check whether port 27442 is open?
Locally on Linux with ss -tulpn | grep ':27442\b', on Windows with netstat -ano | findstr :27442. To test a remote host use Test-NetConnection <host> -Port 27442 in PowerShell or nc -zv <host> 27442 on Linux/macOS.
How do I open port 27442 in the firewall?
Ubuntu/Debian (ufw): sudo ufw allow 27442/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=27442/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 27442" -Direction Inbound -Protocol TCP -LocalPort 27442 -Action Allow.
IANA registry entries
| Protocol | Service | Description (IANA) |
|---|---|---|
| TCP | jesmsjc | Job controller service |
| UDP | jesmsjc | Job controller service |