Port 1837
csoft1 · TCP/UDP
| Range | Registered port (1024–49151) |
|---|---|
| Protocol | TCP/UDP |
| Service | csoft1 |
Frequently asked questions
What is port 1837 used for?
Port 1837 is registered with the IANA for csoft1 (TCP/UDP). Description: csoft1.
Is port 1837 a well-known port?
No. Port 1837 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.
How do I check whether port 1837 is open?
Locally on Linux with ss -tulpn | grep ':1837\b', on Windows with netstat -ano | findstr :1837. To test a remote host use Test-NetConnection <host> -Port 1837 in PowerShell or nc -zv <host> 1837 on Linux/macOS.
How do I open port 1837 in the firewall?
Ubuntu/Debian (ufw): sudo ufw allow 1837/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=1837/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 1837" -Direction Inbound -Protocol TCP -LocalPort 1837 -Action Allow.
IANA registry entries
| Protocol | Service | Description (IANA) |
|---|---|---|
| TCP | csoft1 | csoft1 |
| UDP | csoft1 | csoft1 |