Mastering Zscaler Internet Access (ZIA): A Deployment Guide

Introduction to Zscaler Internet Access (ZIA)

Zscaler Internet Access (ZIA) is a secure internet gateway delivered from the cloud. It shifts the security perimeter from your data center to the internet, providing a full security stack as a service.

Key Features

• SSL Inspection: Decrypts and inspects encrypted traffic for malicious content.
• Cloud Sandbox: Quarantines suspicious files to prevent zero-day attacks.
• URL Filtering: Controls access to websites based on categories and reputation.

Configuration Steps

1. Define Traffic Forwarding: Set up GRE tunnels or PAC files to route traffic to the Zscaler cloud.
2. Enable Authentication: Integrate with Azure AD or Okta to identify users.
3. Configure Policies: Set up Firewall, IPS, and DLP rules in the ZIA admin portal.

By implementing ZIA, organizations can reduce MPLS costs and improve security for remote users.