Port 620
sco-websrvrmgr · TCP/UDP
| Range | System/well-known port (0–1023) |
|---|---|
| Protocol | TCP/UDP |
| Service | sco-websrvrmgr |
Frequently asked questions
What is port 620 used for?
Port 620 is registered with the IANA for sco-websrvrmgr (TCP/UDP). Description: SCO WebServer Manager.
Is port 620 a well-known port?
Yes. Port 620 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 620 is open?
Locally on Linux with ss -tulpn | grep ':620\b', on Windows with netstat -ano | findstr :620. To test a remote host use Test-NetConnection <host> -Port 620 in PowerShell or nc -zv <host> 620 on Linux/macOS.
How do I open port 620 in the firewall?
Ubuntu/Debian (ufw): sudo ufw allow 620/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=620/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 620" -Direction Inbound -Protocol TCP -LocalPort 620 -Action Allow.
IANA registry entries
| Protocol | Service | Description (IANA) |
|---|---|---|
| TCP | sco-websrvrmgr | SCO WebServer Manager |
| UDP | sco-websrvrmgr | SCO WebServer Manager |