Update comprehensive-guidance-on-linux-deployment.md

Added a link that explains in great detail what the enterprise certificate pinning process Defender for Endpoint uses to keep the traffic between Endpoints and the backend cloud service secure. This is part of the important note that mentions this traffic should not be SSL inspected because it will break the certificate pinning chain.

Author: EdgarPMIA

defender-endpoint/comprehensive-guidance-on-linux-deployment.md

@@ -130,7 +130,8 @@ The following table lists the supported proxy settings:
 
 #### Step 3: Verify SSL inspection isn't being performed on the network traffic
 
-To prevent man-in-the-middle attacks, all Microsoft Azure hosted traffic uses certificate pinning. As a result, SSL inspections by major firewall systems aren't allowed. You have to bypass SSL inspection for Microsoft Defender for Endpoint URLs.
+To prevent man-in-the-middle attacks, all Microsoft Azure hosted traffic uses certificate pinning. As a result, SSL inspections by major firewall systems aren't allowed. You have to bypass SSL inspection for Microsoft Defender for Endpoint URLs. For additional information about the certificate pinning process, please visit the following link:
+https://learn.microsoft.com/en-us/windows/security/identity-protection/enterprise-certificate-pinning
 
 ##### Troubleshoot cloud connectivity issues