Port 425
icad-el · TCP/UDP
| Range | System/well-known port (0–1023) |
|---|---|
| Protocol | TCP/UDP |
| Service | icad-el |
Frequently asked questions
What is port 425 used for?
Port 425 is registered with the IANA for icad-el (TCP/UDP). Description: ICAD.
Is port 425 a well-known port?
Yes. Port 425 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 425 is open?
Locally on Linux with ss -tulpn | grep ':425\b', on Windows with netstat -ano | findstr :425. To test a remote host use Test-NetConnection <host> -Port 425 in PowerShell or nc -zv <host> 425 on Linux/macOS.
How do I open port 425 in the firewall?
Ubuntu/Debian (ufw): sudo ufw allow 425/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=425/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 425" -Direction Inbound -Protocol TCP -LocalPort 425 -Action Allow.
IANA registry entries
| Protocol | Service | Description (IANA) |
|---|---|---|
| TCP | icad-el | ICAD |
| UDP | icad-el | ICAD |