Port 27876
astrolink · TCP/UDP
| Range | Registered port (1024–49151) |
|---|---|
| Protocol | TCP/UDP |
| Service | astrolink |
| Registered | 2013-01-14 |
Frequently asked questions
What is port 27876 used for?
Port 27876 is registered with the IANA for astrolink (TCP/UDP). Description: Astrolink Protocol; Reserved.
Is port 27876 a well-known port?
No. Port 27876 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.
How do I check whether port 27876 is open?
Locally on Linux with ss -tulpn | grep ':27876\b', on Windows with netstat -ano | findstr :27876. To test a remote host use Test-NetConnection <host> -Port 27876 in PowerShell or nc -zv <host> 27876 on Linux/macOS.
How do I open port 27876 in the firewall?
Ubuntu/Debian (ufw): sudo ufw allow 27876/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=27876/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 27876" -Direction Inbound -Protocol TCP -LocalPort 27876 -Action Allow.
IANA registry entries
| Protocol | Service | Description (IANA) |
|---|---|---|
| TCP | astrolink | Astrolink Protocol |
| UDP | – | Reserved |