Port 38638
psqlmws · TCP/UDP
| Range | Registered port (1024–49151) |
|---|---|
| Protocol | TCP/UDP |
| Service | psqlmws |
| Registered | 2022-02-15 |
Frequently asked questions
What is port 38638 used for?
Port 38638 is registered with the IANA for psqlmws (TCP/UDP). Description: Premier SQL Middleware Server; Reserved.
Is port 38638 a well-known port?
No. Port 38638 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.
How do I check whether port 38638 is open?
Locally on Linux with ss -tulpn | grep ':38638\b', on Windows with netstat -ano | findstr :38638. To test a remote host use Test-NetConnection <host> -Port 38638 in PowerShell or nc -zv <host> 38638 on Linux/macOS.
How do I open port 38638 in the firewall?
Ubuntu/Debian (ufw): sudo ufw allow 38638/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=38638/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 38638" -Direction Inbound -Protocol TCP -LocalPort 38638 -Action Allow.
IANA registry entries
| Protocol | Service | Description (IANA) |
|---|---|---|
| TCP | psqlmws | Premier SQL Middleware Server |
| UDP | – | Reserved |