Port 7847
csoauth · TCP/UDP
| Range | Registered port (1024–49151) |
|---|---|
| Protocol | TCP/UDP |
| Service | csoauth |
| Registered | 2013-09-04 |
Frequently asked questions
What is port 7847 used for?
Port 7847 is registered with the IANA for csoauth (TCP/UDP). Description: A product key authentication protocol made by CSO; Reserved.
Is port 7847 a well-known port?
No. Port 7847 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.
How do I check whether port 7847 is open?
Locally on Linux with ss -tulpn | grep ':7847\b', on Windows with netstat -ano | findstr :7847. To test a remote host use Test-NetConnection <host> -Port 7847 in PowerShell or nc -zv <host> 7847 on Linux/macOS.
How do I open port 7847 in the firewall?
Ubuntu/Debian (ufw): sudo ufw allow 7847/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=7847/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 7847" -Direction Inbound -Protocol TCP -LocalPort 7847 -Action Allow.
IANA registry entries
| Protocol | Service | Description (IANA) |
|---|---|---|
| TCP | csoauth | A product key authentication protocol made by CSO |
| UDP | – | Reserved |