Communication Encryption (Ssl/Tls) - Oki PRO330S User Manual

Communication encryption (SSL/TLS)

You can encrypt the communication between your PC and this machine. The communication is
encrypted with SSL/TLS in the following cases. A certificate is pre-installed on this machine to
enable the communication using HTTPS.
• Creating a certificate
You can use a certificate when sending data to this machine connected to a network.
This section describes how to create a certificate from the web page.
The following two types of certificates can be created.
• Self-signed certificate
This certificate is issued by this machine.
• Certificate issued by certificate authority
This certificate is signed and issued by an external certificate authority for CSR (Certificate
Signing Request) created by this machine is a certificate.
• Before creating a certificate, make sure that the certificate already installed has been deleted.
• If an IP address is set in [Common Name] of the certificate, the certificate will be invalidated when the machine's
IP address is changed after the certificate is created. Please create a certificate again.
1
Open the web page of this machine.
• For details on how to open it, refer to
2
Log in as an administrator.
3
Select [Admin Setup].
4
Select [Network] - [Security] - [SSL/TLS].
• Click [Delete Certificate] to delete the certificate already installed.
5
Configure the settings by following the on-screen instructions.
6
Confirm the settings, and click [OK].
• For a self-signed certificate, follow on-screen instructions to close the web page, and
proceed to "Enabling privacy (encryption) settings" (Page
• To obtain a certificate issued by a certificate authority, proceed to Step 7.
7
Send the CSR to the certificate authority by following on-screen instructions.
8
Click [OK].
9
Install the certificate from the certificate authority by following on-screen
instructions.
10
Click [Submit].
Proceed to "Enabling privacy (encryption) settings" (Page
"Opening the web page" (Page
231).
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225).
231).