Find alternative names for site certificates

Products

• Cloud Secure Web Gateway - Cloud SWG

Issue/Introduction

You are receiving a site certificate blocked message for a category that doesn't pertain to that website.  

Example:  www.Microsoft.com

The Site Review states the URL is a Technology/Internet category, but it is being blocked for Email. 
 

Cause

The website has alternative names that are tied to their website certificate.
The steps to find out what the alternative names are:

Microsoft Edge

1. Navigate to the website in question
2. Select the "lock" (View Site Information) next to the URL.
3. Select Connection is secure
4. Select Show Certificate
5. Click the Details Tab
6. Select Certificate Subject Alternative Name in the Certificate Fields
7. The pane below will display the list.

Google Chrome:

1. Navigate to the website in question
2. Select the "lock" (View Site Information) next to the URL.
3. Select Connection is secure
4. Select Show Certificate/Certificate is valid
5. Click the Details Tab
6. Select Certificate Subject Alternative Name in the Certificate Fields
7. The pane below will display the list

Firefox

1. Navigate to the website in question
2. Select the "lock" (Verified by: xxx) next to the URL.
3. Select Connection Secure Connection -> More Information
4. Select Security
5. View Certificate > Subject Alt Name 
6. The pane below will display the list

Review each of the listed URLs for Site Review content listing.

 

 

Resolution

If you believe the website has an invalid categorization, Submit a request to review the category associated to a web site.

If the categorization is correct and you want to reach the site, you can allow websites blocked by WebFilter categories or bypass a ProxySG/Edge SWG or Advanced Secure Gateway in a Transparent environment.