Port 45045
synctest · TCP/UDP
| Range | Registered port (1024–49151) |
|---|---|
| Protocol | TCP/UDP |
| Service | synctest |
| Registered | 2013-04-08 |
Frequently asked questions
What is port 45045 used for?
Port 45045 is registered with the IANA for synctest (TCP/UDP). Description: Remote application control protocol; Reserved.
Is port 45045 a well-known port?
No. Port 45045 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.
How do I check whether port 45045 is open?
Locally on Linux with ss -tulpn | grep ':45045\b', on Windows with netstat -ano | findstr :45045. To test a remote host use Test-NetConnection <host> -Port 45045 in PowerShell or nc -zv <host> 45045 on Linux/macOS.
How do I open port 45045 in the firewall?
Ubuntu/Debian (ufw): sudo ufw allow 45045/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=45045/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 45045" -Direction Inbound -Protocol TCP -LocalPort 45045 -Action Allow.
IANA registry entries
| Protocol | Service | Description (IANA) |
|---|---|---|
| TCP | synctest | Remote application control protocol |
| UDP | – | Reserved |