Port 4621
ventoso · TCP/UDP
| Range | Registered port (1024–49151) |
|---|---|
| Protocol | TCP/UDP |
| Service | ventoso |
| Registered | 2016-03-04 |
Frequently asked questions
What is port 4621 used for?
Port 4621 is registered with the IANA for ventoso (TCP/UDP). Description: Reserved; Bidirectional single port remote radio VOIP and Control stream.
Is port 4621 a well-known port?
No. Port 4621 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.
How do I check whether port 4621 is open?
Locally on Linux with ss -tulpn | grep ':4621\b', on Windows with netstat -ano | findstr :4621. To test a remote host use Test-NetConnection <host> -Port 4621 in PowerShell or nc -zv <host> 4621 on Linux/macOS.
How do I open port 4621 in the firewall?
Ubuntu/Debian (ufw): sudo ufw allow 4621/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=4621/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 4621" -Direction Inbound -Protocol TCP -LocalPort 4621 -Action Allow.
IANA registry entries
| Protocol | Service | Description (IANA) |
|---|---|---|
| TCP | – | Reserved |
| UDP | ventoso | Bidirectional single port remote radio VOIP and Control stream |