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### My Security Settings are not Working Properly.

Related Models:HL‑L2340DW / HL‑L2360DN / HL‑L2365DW

Cause | Action | Interface
--- | --- | ---
During installation of the printer driver, BRAdmin Light, or when using the printing features, you did not accept the security alert dialog box. | If you did not accept the security alert dialog box, the firewall function of your security software may be rejecting access. Some security software might block access without showing a security alert dialog box. To allow access, see the instructions for your security software or ask the manufacturer. | Wired/Wireless
The required port number for the security software setting may be closed. | The following port numbers are used for Brother network features:

- Network printing*1: Port number 161 and 137/ Protocol UDP
- BRAdmin Light: Port number 161 / Protocol UDP

For more information on how to open the port, see the instructions for the security software or ask the manufacturer.

Wired/Wireless

*1
Windows®

Related Information
  - Network Problems
  - My Brother Machine is Not Found on the Network During Printer Driver Installation.
  - My Brother Machine Cannot Print over the Network.

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