Port 19283
keysrvr · TCP/UDP
| Range | Registered port (1024–49151) |
|---|---|
| Protocol | TCP/UDP |
| Service | keysrvr |
Frequently asked questions
What is port 19283 used for?
Port 19283 is registered with the IANA for keysrvr (TCP/UDP). Description: Key Server for SASSAFRAS.
Is port 19283 a well-known port?
No. Port 19283 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.
How do I check whether port 19283 is open?
Locally on Linux with ss -tulpn | grep ':19283\b', on Windows with netstat -ano | findstr :19283. To test a remote host use Test-NetConnection <host> -Port 19283 in PowerShell or nc -zv <host> 19283 on Linux/macOS.
How do I open port 19283 in the firewall?
Ubuntu/Debian (ufw): sudo ufw allow 19283/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=19283/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 19283" -Direction Inbound -Protocol TCP -LocalPort 19283 -Action Allow.
IANA registry entries
| Protocol | Service | Description (IANA) |
|---|---|---|
| TCP | keysrvr | Key Server for SASSAFRAS |
| UDP | keysrvr | Key Server for SASSAFRAS |