SSL/TLS Communication with the Printer
When the server
certicate
is set using SSL/TLS (Secure Sockets Layer/Transport Layer Security) communication
to the printer, you can encrypt the communication path between computers. Do this if you want to prevent remote
and unauthorized access.
About Digital Certication
❏ Certicate signed by a CA
A certicate signed by a CA (Certicate Authority) must be obtained from a certicate authority. You can
ensure secure communications by using a CA-signed certicate. You can use a CA-signed certicate for each
security feature.
❏ CA certicate
A CA certicate indicates that a third party has veried the identity of a server. is is a key component in a
web-of-trust style of security. You need to obtain a CA certicate for server authentication from a CA that issues
it.
❏ Self-signed certicate
Self-signed certicate is a certicate that the printer issues and signs itself. is certicate is unreliable and
cannot avoid spoong. If you use this certicate for an SSL/TLS certicate, a security alert may be displayed on
a browser. You can use this certicate only for an SSL/TLS communication.
Related Information
& “Obtaining and Importing a CA-signed Certicate” on page 45
& “Deleting a CA-signed Certicate” on page 49
& “Updating a Self-signed Certicate” on page 49
Obtaining and Importing a CA-signed
Certicate
Obtaining a CA-signed Certicate
To obtain a CA-signed certicate, create a CSR (Certicate Signing Request) and apply it to certicate authority.
You can create a CSR using Web Cong and a computer.
Follow the steps to create a CSR and obtain a CA-signed certicate using Web Cong. When creating a CSR using
Web Cong, a certicate is the PEM/DER format.
1. Access Web Cong, and then select the Network Security tab > SSL/TLS > Certicate.
2. Click Generate of CSR.
A CSR creating page is opened.
3. Enter a value for each item.
Note:
Available key length and abbreviations vary by a certicate authority. Create a request according to rules of each
certicate authority.
Administrator's Guide
Product Security Settings
45
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