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The contents of the file should be in the following format:

-----BEGIN CERTIFICATE-----

MIIE1jCCA76gAwIBAgIQY6sV0KL3tIhBtlr4gHG85zANBgkqhkiG9w0BAQUFADBs

l3DTbPe0mnIbTq0iWqKEaVne1vvaDt52iSpEQyevwgUcHD16rFy+sOnCaQ==

-----END CERTIFICATE-----

Download Signing Request—Download or save the signing request as a .csr file.

Install Signed Certificate—Upload a previously signed certificate.

Installing a CA certificate

A Certificate Authority (CA) certificate is required if you will be using the PKI Authentication application.

1From the Embedded Web Server, click Settings > Security > Certificate Management > Certificate Authority Management.

Note: For information about accessing the EWS, see “Using the Embedded Web Server” on page 15.

2Click New.

3Click Browse to locate the Certificate Authority Source file, and then click Submit. Note: The Certificate Authority Source file must be in PEM (.cer) format.

4Reboot the MFP by turning it off and back on using the power switch.

Setting up IPSec

IPSec encrypts IP packets as they are transmitted over the network between devices. It does not handle authentication or restrict access.

1From the Embedded Web Server, click Settings > Security > IPSec.

Note: For information about accessing the EWS, see “Using the Embedded Web Server” on page 15.

2Select the IPSec Enable check box, and then click Submit. Your browser will return to the Security page.

3Click IPSec.

4In the Settings section, click Encryption, and then select 3DES from the Proposed Encryption Method dropdown menu.

5In the Settings section, click Certificate Validation, and then select the Validate Peer Certificate check box.

6In the Connections section, click either PreShared Key Authenticated Connections or Certificate Authenticated Connections, and then click one of the numbered Host fields.

7Type the IP address of the client device you want to connect to the MFP. If you are using PreShared Key (PSK) Authentication, then also type the key.

Note: If you are using PSK Authentication, then retain the key to use later when configuring client devices.

8Configure IPSec as needed on client devices that will connect to the MFP.

9Click Submit.

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Lexmark 47B1000, 47B1001, X792DTE, X792DE manual Setting up IPSec, Installing a CA certificate

X792DTE, 47B1000, X792DE, 47B1001 specifications

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