Port 4894
lyskom · TCP/UDP
| Range | Registered port (1024–49151) |
|---|---|
| Protocol | TCP/UDP |
| Service | lyskom |
Frequently asked questions
What is port 4894 used for?
Port 4894 is registered with the IANA for lyskom (TCP/UDP). Description: LysKOM Protocol A.
Is port 4894 a well-known port?
No. Port 4894 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.
How do I check whether port 4894 is open?
Locally on Linux with ss -tulpn | grep ':4894\b', on Windows with netstat -ano | findstr :4894. To test a remote host use Test-NetConnection <host> -Port 4894 in PowerShell or nc -zv <host> 4894 on Linux/macOS.
How do I open port 4894 in the firewall?
Ubuntu/Debian (ufw): sudo ufw allow 4894/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=4894/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 4894" -Direction Inbound -Protocol TCP -LocalPort 4894 -Action Allow.
IANA registry entries
| Protocol | Service | Description (IANA) |
|---|---|---|
| TCP | lyskom | LysKOM Protocol A |
| UDP | lyskom | LysKOM Protocol A |