Port 3254
pda-sys · TCP/UDP
| Range | Registered port (1024–49151) |
|---|---|
| Protocol | TCP/UDP |
| Service | pda-sys |
| Registered | 2002-02 |
Frequently asked questions
What is port 3254 used for?
Port 3254 is registered with the IANA for pda-sys (TCP/UDP). Description: PDA System.
Is port 3254 a well-known port?
No. Port 3254 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.
How do I check whether port 3254 is open?
Locally on Linux with ss -tulpn | grep ':3254\b', on Windows with netstat -ano | findstr :3254. To test a remote host use Test-NetConnection <host> -Port 3254 in PowerShell or nc -zv <host> 3254 on Linux/macOS.
How do I open port 3254 in the firewall?
Ubuntu/Debian (ufw): sudo ufw allow 3254/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=3254/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 3254" -Direction Inbound -Protocol TCP -LocalPort 3254 -Action Allow.
IANA registry entries
| Protocol | Service | Description (IANA) |
|---|---|---|
| TCP | pda-sys | PDA System |
| UDP | pda-sys | PDA System |