About Digital Certification
❏ Certificate signed by a CA
A certificate signed by a CA (Certificate Authority) must be obtained from a certificate authority. You can
ensure secure communications by using a CA-signed certificate. You can use a CA-signed certificate for each
security feature.
❏ CA certificate
A CA certificate indicates that a third party has verified the identity of a server. This is a key component in a
web-of-trust style of security. You need to obtain a CA certificate for server authentication from a CA that
issues it.
❏ Self-signed certificate
Self-signed certificate is a certificate that the printer issues and signs itself. This certificate is unreliable and
cannot avoid spoofing. If you use this certificate for an SSL/TLS certificate, a security alert is displayed on a
browser.
Related Information
& “Obtaining and Importing a CA-signed Certificate” on page 33
& “Deleting a CA-signed Certificate” on page 36
& “Updating a Self-signed Certificate” on page 37
Obtaining and Importing a CA-signed Certificate
Obtaining a CA-signed Certificate
To obtain a CA-signed certificate, create a CSR (Certificate Signing Request) and apply it to certificate authority.
You can create a CSR using Web Config and a computer.
Follow the steps to create a CSR and obtain a CA-signed certificate using Web Config. When creating a CSR using
Web Config, a certificate is the PEM/DER format.
A
Access Web Config, and then select Network Security Settings. Next, select SSL/TLS > Certificate.
B
Click Generate of CSR.
A CSR creating page is opened.
C
Enter a value for each item.
Note:
Available key length and abbreviations vary by a certificate authority. Create a request according to rules of each
certificate authority.
D
Click OK.
A completion message is displayed.
E
Select Network Security Settings. Next, select SSL/TLS > Certificate.
Network Guide
Security Settings
33
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