Port 4003
pxc-splr-ft · TCP/UDP
| Range | Registered port (1024–49151) |
|---|---|
| Protocol | TCP/UDP |
| Service | pxc-splr-ft |
Frequently asked questions
What is port 4003 used for?
Port 4003 is registered with the IANA for pxc-splr-ft (TCP/UDP). Description: pxc-splr-ft.
Is port 4003 a well-known port?
No. Port 4003 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.
How do I check whether port 4003 is open?
Locally on Linux with ss -tulpn | grep ':4003\b', on Windows with netstat -ano | findstr :4003. To test a remote host use Test-NetConnection <host> -Port 4003 in PowerShell or nc -zv <host> 4003 on Linux/macOS.
How do I open port 4003 in the firewall?
Ubuntu/Debian (ufw): sudo ufw allow 4003/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=4003/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 4003" -Direction Inbound -Protocol TCP -LocalPort 4003 -Action Allow.
IANA registry entries
| Protocol | Service | Description (IANA) |
|---|---|---|
| TCP | pxc-splr-ft | pxc-splr-ft |
| UDP | pxc-splr-ft | pxc-splr-ft |