Port 4030
jdmn-port · TCP/UDP
| Range | Registered port (1024–49151) |
|---|---|
| Protocol | TCP/UDP |
| Service | jdmn-port |
| Modified | 2012-07-12 |
Frequently asked questions
What is port 4030 used for?
Port 4030 is registered with the IANA for jdmn-port (TCP/UDP). Description: Accell/JSP Daemon Port.
Is port 4030 a well-known port?
No. Port 4030 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.
How do I check whether port 4030 is open?
Locally on Linux with ss -tulpn | grep ':4030\b', on Windows with netstat -ano | findstr :4030. To test a remote host use Test-NetConnection <host> -Port 4030 in PowerShell or nc -zv <host> 4030 on Linux/macOS.
How do I open port 4030 in the firewall?
Ubuntu/Debian (ufw): sudo ufw allow 4030/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=4030/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 4030" -Direction Inbound -Protocol TCP -LocalPort 4030 -Action Allow.
IANA registry entries
| Protocol | Service | Description (IANA) |
|---|---|---|
| TCP | jdmn-port | Accell/JSP Daemon Port |
| UDP | jdmn-port | Accell/JSP Daemon Port |