Port 4002
pxc-spvr-ft · TCP/UDP
| Range | Registered port (1024–49151) |
|---|---|
| Protocol | TCP/UDP |
| Service | pxc-spvr-ft |
Frequently asked questions
What is port 4002 used for?
Port 4002 is registered with the IANA for pxc-spvr-ft (TCP/UDP). Description: pxc-spvr-ft.
Is port 4002 a well-known port?
No. Port 4002 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.
How do I check whether port 4002 is open?
Locally on Linux with ss -tulpn | grep ':4002\b', on Windows with netstat -ano | findstr :4002. To test a remote host use Test-NetConnection <host> -Port 4002 in PowerShell or nc -zv <host> 4002 on Linux/macOS.
How do I open port 4002 in the firewall?
Ubuntu/Debian (ufw): sudo ufw allow 4002/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=4002/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 4002" -Direction Inbound -Protocol TCP -LocalPort 4002 -Action Allow.
IANA registry entries
| Protocol | Service | Description (IANA) |
|---|---|---|
| TCP | pxc-spvr-ft | pxc-spvr-ft |
| UDP | pxc-spvr-ft | pxc-spvr-ft |