Port 4999
hfcs-manager · TCP/UDP
| Range | Registered port (1024–49151) |
|---|---|
| Protocol | TCP/UDP |
| Service | hfcs-manager |
| Registered | 2006-03-02 |
| Modified | 2014-02-02 |
Frequently asked questions
What is port 4999 used for?
Port 4999 is registered with the IANA for hfcs-manager (TCP/UDP). Description: HFSQL Client/Server Database Engine Manager.
Is port 4999 a well-known port?
No. Port 4999 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.
How do I check whether port 4999 is open?
Locally on Linux with ss -tulpn | grep ':4999\b', on Windows with netstat -ano | findstr :4999. To test a remote host use Test-NetConnection <host> -Port 4999 in PowerShell or nc -zv <host> 4999 on Linux/macOS.
How do I open port 4999 in the firewall?
Ubuntu/Debian (ufw): sudo ufw allow 4999/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=4999/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 4999" -Direction Inbound -Protocol TCP -LocalPort 4999 -Action Allow.
IANA registry entries
| Protocol | Service | Description (IANA) |
|---|---|---|
| TCP | hfcs-manager | HFSQL Client/Server Database Engine Manager |
| UDP | hfcs-manager | HFSQL Client/Server Database Engine Manager |