Port 4685
autopac · TCP/UDP
| Range | Registered port (1024–49151) |
|---|---|
| Protocol | TCP/UDP |
| Service | autopac |
| Registered | 2005-08 |
Frequently asked questions
What is port 4685 used for?
Port 4685 is registered with the IANA for autopac (TCP/UDP). Description: Autopac Protocol.
Is port 4685 a well-known port?
No. Port 4685 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.
How do I check whether port 4685 is open?
Locally on Linux with ss -tulpn | grep ':4685\b', on Windows with netstat -ano | findstr :4685. To test a remote host use Test-NetConnection <host> -Port 4685 in PowerShell or nc -zv <host> 4685 on Linux/macOS.
How do I open port 4685 in the firewall?
Ubuntu/Debian (ufw): sudo ufw allow 4685/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=4685/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 4685" -Direction Inbound -Protocol TCP -LocalPort 4685 -Action Allow.
IANA registry entries
| Protocol | Service | Description (IANA) |
|---|---|---|
| TCP | autopac | Autopac Protocol |
| UDP | autopac | Autopac Protocol |