Port 630
rda · TCP/UDP
| Range | System/well-known port (0–1023) |
|---|---|
| Protocol | TCP/UDP |
| Service | rda |
Frequently asked questions
What is port 630 used for?
Port 630 is registered with the IANA for rda (TCP/UDP). Description: RDA.
Is port 630 a well-known port?
Yes. Port 630 is in the range 0–1023 (system or well-known ports). On Linux and macOS only privileged processes may bind to these ports.
How do I check whether port 630 is open?
Locally on Linux with ss -tulpn | grep ':630\b', on Windows with netstat -ano | findstr :630. To test a remote host use Test-NetConnection <host> -Port 630 in PowerShell or nc -zv <host> 630 on Linux/macOS.
How do I open port 630 in the firewall?
Ubuntu/Debian (ufw): sudo ufw allow 630/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=630/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 630" -Direction Inbound -Protocol TCP -LocalPort 630 -Action Allow.
IANA registry entries
| Protocol | Service | Description (IANA) |
|---|---|---|
| TCP | rda | RDA |
| UDP | rda | RDA |