Security
Reader small image

You're reading from  Zscaler Cloud Security Essentials

Product typeBook
Published inJun 2021
PublisherPackt
ISBN-139781800567986
Edition1st Edition
Concepts
Cloud Security
Right arrow
Author (1)
Ravi Devarasetty
Ravi Devarasetty
author image
Ravi Devarasetty

Ravi Devarasetty is originally from India and came to the United States for his higher education. He started his IT career in embedded software development, moved into 24x7 network operations, later transitioned into secure web gateways, and now works in public cloud security. He likes constant learning, both through self-study and via mentoring relationships. He likes to tinker with technology and loves it when he is able to put the things he has learned toward creating a unique solution. He has experience working as a Zscaler solution deployment engineer as part of a Managed Security Service Provider (MSSP) and as a Zscaler consultant. He holds multiple Zscaler certifications, and is also certified in CISSP, CCSK, AlienVault, AWS, and Microsoft Azure.
Read more about Ravi Devarasetty

Right arrow

Using Zscaler PSEs – where the policies are applied and enforced

The next important component of the Zscaler cloud is the PSE. Recall that Zscaler sits between the end user and the web destination; so, when the end user is trying to go out to the internet, their first stop is the PSE. The user web traffic directly hits the nearest PSE or the PSE configured by the company administrator.

The PSE being in the data plane, its task is to perform high-speed data-packet inspection and company policy enforcement. When the PSE encounters a new packet for which it does not know the company or user details, it performs a lookup to the CA and asks the CA for details about that packet. It extracts that randomized identifier we talked about in the previous section and uses it to query the CA. The CA returns the identity and the policy information for that identifier in less than a second.

For all subsequent data packets that are part of this traffic session, the PSE remembers this user...

lock icon
The rest of the page is locked
Previous Page
Chapter 4 of 15, Page 4
Next Page
You have been reading a chapter from
Zscaler Cloud Security Essentials
Published in: Jun 2021Publisher: PacktISBN-13: 9781800567986
© 2021 Packt Publishing Limited All Rights Reserved

Author (1)

author image
Ravi Devarasetty

Ravi Devarasetty is originally from India and came to the United States for his higher education. He started his IT career in embedded software development, moved into 24x7 network operations, later transitioned into secure web gateways, and now works in public cloud security. He likes constant learning, both through self-study and via mentoring relationships. He likes to tinker with technology and loves it when he is able to put the things he has learned toward creating a unique solution. He has experience working as a Zscaler solution deployment engineer as part of a Managed Security Service Provider (MSSP) and as a Zscaler consultant. He holds multiple Zscaler certifications, and is also certified in CISSP, CCSK, AlienVault, AWS, and Microsoft Azure.
Read more about Ravi Devarasetty

Other recommended products

Related to this chapter

Securing Remote Access in Palo Alto Networks

Securing Remote Access in Palo Alto Networks

This book focuses largely on different methodologies for connecting remote users, highlighting the benefits and drawbacks as well as step-by-step instructions. You’ll understand phishing prevention and log forwarding, and find a comprehensive section on troubleshooting common issues with the help of examples.

BookJul 2021336 pages
Mastering Palo Alto Networks

Mastering Palo Alto Networks

This guide helps you quickly set up the Palo Alto Networks next-generation firewall, configure the technology, and perform troubleshooting. Each chapter builds on what you learn, with tips and tricks to make your job easier. Expand your skill and knowledge with this learning guide and reference tool, and deliver critical security to your business.

BookSep 2020514 pages
Network Security with pfSense

Network Security with pfSense

pfSense is the world's most trusted open source network security solution. In this book, you’ll learn about pfSense, all of its key features, how you can install and deploy it, as well as the different tasks you can perform.

BookJul 2018152 pages
Okta Administration: Up and Running

Okta Administration: Up and Running

Okta is one of the leading IAM platforms that consolidate identities for company tools. Okta Administration: Up and Running is a comprehensive introduction for those who are new to Okta’s products and will help you to understand and implement Okta’s features for enhanced security in your applications.

BookDec 2020268 pages
Practical Network Scanning

Practical Network Scanning

Network administrators use network scanning tools to build a network inventory and to perform security audits by examining active hosts on a network with the help of IP address ranges. The same principles can also be used in cyber attacks to find weaknesses in a system. This book will help you not only find flaws but also strengthen the security of your organization.

BookMay 2018326 pages

Personalised recommendations for you

Based on your interests and search pattern

Attacking and Exploiting Modern Web Applications

Attacking and Exploiting Modern Web Applications

Attacking and Exploiting Modern Web Attacks will help you understand how to identify attack surfaces and detect vulnerabilities. This book takes a hands-on approach to implementation and associated methodologies and equips you with the knowledge and skills needed to effectively combat web attacks.

BookAug 2023338 pages
Automotive Cybersecurity Engineering Handbook

Automotive Cybersecurity Engineering Handbook

This Automotive Cybersecurity Engineering Handbook untangles the complexities of building secure automotive products and helps you to comply with cybersecurity standards. It provides practical tools, tips, and techniques coupled with real-world examples to enable you to create cyber-resilient automotive products with ease.

BookOct 2023392 pages
Official Google Cloud Certified Professional Cloud Security Engineer Exam Guide

Official Google Cloud Certified Professional Cloud Security Engineer Exam Guide

This book will help you to design, develop, and operate security controls on Google Cloud as well as discover best practices for relevant security domains, including identity and access management, network, and data.

BookAug 2023496 pages
Cloud Penetration Testing for Red Teamers

Cloud Penetration Testing for Red Teamers

The advent of cloud networks and the AWS, Azure, and GCP platforms has revolutionized how companies of all sizes in all industries do business online. This book will help you meet the emerging demand for pentesting as it guides you through the tools, techniques, and security measures used by pentesters and red teamers in the 2020s and beyond.

BookNov 2023298 pages
ISACA Certified in Risk and Information Systems Control (CRISC®) Exam Guide

ISACA Certified in Risk and Information Systems Control (CRISC®) Exam Guide

ISACA Certified in Risk and Information Systems Control (CRISC®) Certification Guide is an enterprise IT risk management professional’s dream. With its in-depth approach and various self-assessment exercises, this book arms you with knowledge of every single aspect of the certification, and is a fantastic career companion after you’re certified.

BookSep 2023316 pages5
Burp Suite Cookbook

Burp Suite Cookbook

Burp Suite is an immensely powerful and popular tool for web application security testing. This book provides a collection of recipes that address vulnerabilities in web applications and APIs. It offers guidance on how to configure Burp Suite, make the most of its tools, and explore into its extensions.

BookOct 2023450 pages
Building and Automating Penetration Testing Labs in the Cloud

Building and Automating Penetration Testing Labs in the Cloud

This hands-on guide will help you design and build a variety of penetration testing labs that mimic modern cloud environments running on AWS, Azure, and GCP. In addition to these, you will explore a number of practical strategies on how to manage the complexity, cost, and security risks involved when setting up vulnerable cloud lab environments.

BookOct 2023562 pages
Ethical Hacking Workshop

Ethical Hacking Workshop

As cyber-attacks grow and APT groups advance their skillset, you need to be able to protect your enterprise against cyber-attacks. In order to limit your attack surface, you need to ensure that you leverage the same skills and tools that an adversary may use to hack your environment and discover the security gaps. This book will teach you how to think like a hacker, use state-of-the-art hacking tools, and protect yourself and your organizaiton.

BookOct 2023220 pages
Windows Forensics Analyst Field Guide

Windows Forensics Analyst Field Guide

This book contains step-by-step processes to guide you in any investigation related to Windows OS. You’ll find out how to acquire evidence using multiple tools as well as examine and analyze the collected artifacts, while discovering multiple techniques used in real-world forensic incidents.

BookOct 2023318 pages
Implementing DevSecOps Practices

Implementing DevSecOps Practices

This book is a comprehensive, hands-on guide for individuals new to DevSecOps who want to implement DevSecOps practices successfully and efficiently. With its help, you’ll be able to shift security toward the left, enabling you to merge security into coding in no time.

BookDec 2023258 pages