Using Postman

Postman does not use the certificate store on your platform. To work with secure services, you have two options:

• Disable certificate verification in Postman
• Add the CA certificate used to sign the VMS server certificate

Disable certificate verification in Postman

1. Open Postman, then select File > Settings
2. In the Settings dialog, select the General tab.
3. Move the slider for SSL certificate verification to the OFF position.

With certificate verification disabled, Postman makes no attempt to verify the connection.

Add the CA certificate used to sign the VMS server certificate

For Postman, the CA certificate needs to be in PEM format. A PEM file is a collection of Base-64 encoded certificates contained within a single file. As long as the CA certificate is exported in Base-64 encoded format, Postman will accept a .cer file.

The following instructions assumes that you have set up your own CA certificate as described in XProtect VMS certificates guide, and that you have the CA certificate installed on a Windows platform. Adjust as necessary for other CA certificates and platforms.

1. Start the Local Computer certificates manager, for example by running certlm.msc.
2. Select Trusted Root Certification Authorities > Certificates
3. Select the VMS Certificate Authority, then right-click and select All Tasks > Export....
4. Within the Certificate Export Wizard dialog:
   1. Select Next on the Welcome screen.
   2. Select Base-64 encoded X.509 (.CER) on the Export File Format screen, and select Next.
   3. Enter a path and filename to save the certificate on the File To Export screen, and select Next.
   4. Select Finish to complete the wizard and save the certificate.
5. Copy the exported certificate file to the machine you are running Postman on.
6. Open Postman, then select File > Settings.
7. In the Settings dialog, select the Certificates tab.
8. Within the CA Certificates section, move the slider to the ON position, click Select File, then select the Base-64 encoded CA certificate file exported earlier.