Brother HL-3140CW - Manual (Page 72)

Security features
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Managing multiple certificates
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This multiple certificate feature allows you to manage each certificate that you have installed using Web
Based Management. After installing certificates, you can view what certificates are installed from the
Certificate page and then view each certificate's content, delete, or export the certificate. For information on
how to access the Certificate page, see Configure certificate using Web Based Management on page 56.
The Brother machine allows you to store up to three self-signed certificates or up to three certificates issued
by a CA. You can use the stored certificates for using the HTTPS/IPPS protocol or IEEE 802.1x
authentication.
You can also store up to four CA certificates for using IEEE 802.1x authentication and SSL for SMTP/POP3.
We recommend you store one certificate less and keep the last free to deal with certificate expiration. For
example, if you want to store a CA certificate, store three certificates and leave one storage as a backup. In
the case of re-issuing the certificate, such as when the certificate is expired, you can import a new certificate
to the backup and then you can delete the expired certificate, to avoid configuration failure.
NOTE
• When you use HTTPS/IPPS protocol or IEEE 802.1x, you must choose which certificate you are using.
• When you use SSL for SMTP communications, you do not have to choose the certificate. The necessary
certificate will be chosen automatically.