Creating and installing a self-signed certificate; How to create and install a self-signed certificate; Configure Certificate- Page 153

Brother MFC-9840CDW Network User's Guide

Table of Contents

NETWORK USER’S GUIDE MFC-9840CDW
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Security features

143

14

Creating and installing a self-signed certificate

14

How to create and install a self-signed certificate

14

a

Click 

Create Self-Signed Certificate

 on the 

Configure Certificate

 page.

b

Enter a 

Common Name

 and a 

Valid Date

, then click 

Submit

.

Note

• The length of the 

Common Name

 is less than 64 bytes. Enter an identifier such as an IP address, node 

name or domain name to use when accessing this printer through SSL/TLS communication. The node 
name is displayed by default.

• A warning will pop-up if you enter a different name in the URL than the 

Common Name

 that was used for 

the self-signed certificate.

 

c

Now the self-signed certificate is created successfully. Check the box on the left of each function you 
want to disable, and then click 

OK

.

 

Note

• We recommend disabling the Telnet, FTP, TFTP protocols and the network management with older 

versions of BRAdmin

1

 for secure communication. If you enable them, the user authentication is not 

secure.

• A check box only appears for an individual protocol or the older BRAdmin utility if they are already enabled.

1

BRAdmin Professional older than Ver. 2.80, Web BRAdmin older than Ver. 1.40, BRAdmin Light for Macintosh

®

 older than Ver. 1.10.

 

d

Restart the printer to activate the configuration.

e

Now the self-signed certificate is saved in your printer memory. To use SSL/TLS communication, the 
self-signed certificate also needs to be installed on your computer. Proceed to the next section.

Detailed Information for Brother MFC-9840CDW Network User's Guide

Lists of information found in Brother MFC-9840CDW Network User's Guide - Page 153

  • 2.80, Web BRAdmin older than Ver.
  • 1.40, BRAdmin Light for Macintosh ® older than Ver.
  • 1.10.
  • The length of the Common Name is less than 64 bytes.
  • A warning will pop-up if you enter a different name in the URL than the Common Name that was used for the self-signed certificate.
  • We recommend disabling the Telnet, FTP, TFTP protocols and the network management with older versions of BRAdmin 1 for secure communication.
  • A check box only appears for an individual protocol or the older BRAdmin utility if they are already enabled.

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