Ensure 'SSL Inbound Inspection' is required for all untrusted traffic destined for servers using SSL or TLS

How it is checked

Audit method: Manual review

This recommendation cannot be checked automatically. A scan lists it with these instructions when you pass --include-manual.

Navigate to Policies > Decryption. Verify SSL Inbound Inspection is set appropriately for all untrusted traffic destined for servers using SSL or TLS. Navigate to Policies > Decryption. For each service published to the internet (or other untrusted zones), verify the following settings: General tab: Name set to a descriptive name Source: Source Zone set to the target zone (Internet in many cases). Source Address set to the target address space (Any for internet traffic) Destination tab: Destination Zone should be set to the appropriate zone, or Any. (Full steps: CIS 8.2.)

How it is fixed

Fix method: Guidance or infrastructure patch

Navigate to Policies > Decryption. Set SSL Inbound Inspection appropriately for all untrusted traffic destined for servers using SSL or TLS. Navigate to Policies > Decryption. For each service published to the internet (or other untrusted zones), create a Policy and set the following options: General tab: Name set to a descriptive name Source: Source Zone set to the target zone (Internet in many cases). Source Address set to the target address space (Any for internet traffic) Destination tab: Destination Zone should be set to the appropriate zone, or Any. Destination Address set to the target host address Options tab: Type set to SSL Inbound Inspection Note: 1. Private key of the either the Root CA cert or Intermediate Root CA should be imported into the firewall in order for it to perform SSL decryption. 2. This private key is the same one used by the internal application (behind the firewall).