Port 4419
cbp · TCP/UDP
| Range | Registered port (1024–49151) |
|---|---|
| Protocol | TCP/UDP |
| Service | cbp |
| Registered | 2016-03-23 |
Frequently asked questions
What is port 4419 used for?
Port 4419 is registered with the IANA for cbp (TCP/UDP). Description: Colnod Binary Protocol; Reserved.
Is port 4419 a well-known port?
No. Port 4419 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.
How do I check whether port 4419 is open?
Locally on Linux with ss -tulpn | grep ':4419\b', on Windows with netstat -ano | findstr :4419. To test a remote host use Test-NetConnection <host> -Port 4419 in PowerShell or nc -zv <host> 4419 on Linux/macOS.
How do I open port 4419 in the firewall?
Ubuntu/Debian (ufw): sudo ufw allow 4419/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=4419/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 4419" -Direction Inbound -Protocol TCP -LocalPort 4419 -Action Allow.
IANA registry entries
| Protocol | Service | Description (IANA) |
|---|---|---|
| TCP | cbp | Colnod Binary Protocol |
| UDP | – | Reserved |