For a customer looking to upgrade their legacy on-premises proxy to a cloud-based proxy for a hybrid network, the combination of Secure Web Gateway (SWG) and Inline Cloud Access Security Broker (CASB) features in FortiSASE will provide the necessary capabilities.

Secure Web Gateway (SWG):

SWG provides comprehensive web security by inspecting and filtering web traffic to protect against web-based threats.

It ensures that all web traffic, whether originating from on-premises or remote locations, is inspected and secured by the cloud-based proxy.

Inline Cloud Access Security Broker (CASB):

CASB enhances security by providing visibility and control over cloud applications and services.

Inline CASB integrates with SWG to enforce security policies for cloud application usage, preventing unauthorized access and data leakage.

References:

FortiOS 7.2 Administration Guide: Details on SWG and CASB features.

FortiSASE 23.2 Documentation: Explains how SWG and inline-CASB are used in cloud-based proxy solutions.

The reason for the ping failures is due to the quick mode selectors restricting the subnet. Quick mode selectors define the IP ranges and protocols that are allowed through the VPN tunnel, and if they are not configured correctly, traffic to certain subnets can be blocked.

Quick Mode Selectors:

Quick mode selectors specify the source and destination subnets that are allowed to communicate through the VPN tunnel.

If the selectors do not include the subnet of the webserver (192.168.10.0/24), then the traffic will be restricted, and the ping will fail.

Diagnostic Output:

The diagnostic output shows the VPN configuration details, but it is important to check the quick mode selectors to ensure that the necessary subnets are included.

If the quick mode selectors are too restrictive, they will prevent traffic to and from the specified subnets.

Configuration Check:

Verify the quick mode selectors on both the FortiSASE and FortiGate hub to ensure they match and include the subnet of the webserver.

Adjust the selectors to allow the necessary subnets for successful communication.

References:

FortiOS 7.2 Administration Guide: Provides detailed information on configuring VPN tunnels and quick mode selectors.

FortiSASE 23.2 Documentation: Explains how to set up and manage VPN tunnels, including the configuration of quick mode selectors.

Onboarding a Secure Web Gateway (SWG) endpoint involves several components to ensure secure and effective integration with FortiSASE. Two key components are the FortiSASE CA certificate and the proxy auto-configuration (PAC) file.

FortiSASE CA Certificate:

The FortiSASE CA certificate is essential for establishing trust between the endpoint and the FortiSASE infrastructure.

It ensures that the endpoint can securely communicate with FortiSASE services and inspect SSL/TLS traffic.

Proxy Auto-Configuration (PAC) File:

The PAC file is used to configure the endpoint to direct web traffic through the FortiSASE proxy.

It provides instructions on how to route traffic, ensuring that all web requests are properly inspected and filtered by FortiSASE.

References:

FortiOS 7.2 Administration Guide: Details on onboarding endpoints and configuring SWG.

FortiSASE 23.2 Documentation: Explains the components required for integrating endpoints with FortiSASE and the process for deploying the CA certificate and PAC file.