Securing the Web with Cisco Web Security Appliance

To fully benefit from this course, you should have knowledge of these topics:

• TCP/IP services, including Domain Name System (DNS), Secure Shell (SSH), FTP, Simple Network Management Protocol (SNMP), HTTP, and HTTPS
• IP routing

You are expected to have one or more of the following basic technical competencies or equivalent knowledge:

• Cisco certification (CCENT certification or higher)
• Relevant industry certification [International Information System Security Certification Consortium ((ISC)2), Computing Technology Industry Association (CompTIA) Security+, International Council of Electronic Commerce Consultants (EC-Council), Global Information Assurance Certification (GIAC), ISACA]
• Cisco Networking Academy letter of completion (CCNA 1 and CCNA 2)
• Windows expertise: Microsoft [Microsoft Specialist, Microsoft Certified Solutions Associate (MCSA), Microsoft Certified Solutions Expert (MCSE)], CompTIA (A+, Network+, Server+)

This class will help you:

• Implement Cisco WSA to secure web gateways, provide malware protection, and use policy controls to address the challenges of securing and controlling web traffic
• Gain valuable hands-on skills for high-demand responsibilities focused on web security

After taking this course, you should be able to:

• Describe Cisco WSA
• Deploy proxy services
• Utilize authentication
• Describe decryption policies to control HTTPS traffic
• Understand differentiated traffic access policies and identification profiles
• Enforce acceptable use control settings
• Defend against malware
• Describe data security and data loss prevention
• Perform administration and troubleshooting

Describing Cisco WSA

• Technology Use Case
• Cisco WSA Solution
• Cisco WSA Features
• Cisco WSA Architecture
• Proxy Service
• Integrated Layer 4 Traffic Monitor
• Data Loss Prevention
• Cisco Cognitive Intelligence
• Management Tools
• Cisco Advanced Web Security Reporting (AWSR) and Third-Party Integration
• Cisco Content Security Management Appliance (SMA)

Deploying Proxy Services

• Explicit Forward Mode vs. Transparent Mode
• Transparent Mode Traffic Redirection
• Web Cache Control Protocol
• Web Cache Communication Protocol (WCCP) Upstream and Downstream Flow
• Proxy Bypass
• Proxy Caching
• Proxy Auto-Config (PAC) Files
• FTP Proxy
• Socket Secure (SOCKS) Proxy
• Proxy Access Log and HTTP Headers
• Customizing Error Notifications with End User Notification (EUN) Pages

Utilizing Authentication

• Authentication Protocols
• Authentication Realms
• Tracking User Credentials
• Explicit (Forward) and Transparent Proxy Mode
• Bypassing Authentication with Problematic Agents
• Reporting and Authentication
• Re-Authentication
• FTP Proxy Authentication
• Troubleshooting Joining Domains and Test Authentication
• Integration with Cisco Identity Services Engine (ISE)

Creating Decryption Policies to Control HTTPS Traffic

• Transport Layer Security (TLS)/Secure Sockets Layer (SSL) Inspection Overview
• Certificate Overview
• Overview of HTTPS Decryption Policies
• Activating HTTPS Proxy Function
• Access Control List (ACL) Tags for HTTPS Inspection
• Access Log Examples

Understanding Differentiated Traffic Access Policies and Identification Profiles

• Overview of Access Policies
• Access Policy Groups
• Overview of Identification Profiles
• Identification Profiles and Authentication
• Access Policy and Identification Profiles Processing Order
• Other Policy Types
• Access Log Examples
• ACL Decision Tags and Policy Groups
• Enforcing Time-Based and Traffic Volume Acceptable Use Policies, and End User Notifications

Defending Against Malware

• Web Reputation Filters
• Anti-Malware Scanning
• Scanning Outbound Traffic
• Anti-Malware and Reputation in Policies
• File Reputation Filtering and File Analysis
• Cisco Advanced Malware Protection
• File Reputation and Analysis Features
• Integration with Cisco Cognitive Intelligence

Enforcing Acceptable Use Control Settings

• Controlling Web Usage
• URL Filtering
• URL Category Solutions
• Dynamic Content Analysis Engine
• Web Application Visibility and Control
• Enforcing Media Bandwidth Limits
• Software as a Service (SaaS) Access Control
• Filtering Adult Content

Data Security and Data Loss Prevention

• Data Security
• Cisco Data Security Solution
• Data Security Policy Definitions
• Data Security Logs

Performing Administration and Troubleshooting

• Monitor the Cisco Web Security Appliance
• Cisco WSA Reports
• Monitoring System Activity Through Logs
• System Administration Tasks
• Troubleshooting
• Command Line Interface

References

• Comparing Cisco WSA Models
• Comparing Cisco SMA Models
• Overview of Connect, Install, and Configure
• Deploying the Cisco Web Security Appliance Open Virtualization Format (OVF) Template
• Mapping Cisco Web Security Appliance Virtual Machine (VM) Ports to Correct Networks
• Connecting to the Cisco Web Security Virtual Appliance
• Enabling Layer 4 Traffic Monitor (L4TM)
• Accessing and Running the System Setup Wizard
• Reconnecting to the Cisco Web Security Appliance
• High Availability Overview
• Hardware Redundancy
• Introducing Common Address Redundancy Protocol (CARP)
• Configuring Failover Groups for High Availability
• Feature Comparison Across Traffic Redirection Options
• Architecture Scenarios When Deploying Cisco AnyConnect® Secure Mobility

Lab outline

• Configure the Cisco Web Security Appliance
• Deploy Proxy Services
• Configure Proxy Authentication
• Configure HTTPS Inspection
• Create and Enforce a Time/Date-Based Acceptable Use Policy
• Configure Advanced Malware Protection
• Configure Referrer Header Exceptions
• Utilize Third-Party Security Feeds and MS Office 365 External Feed
• Validate an Intermediate Certificate
• View Reporting Services and Web Tracking
• Perform Centralized Cisco AsyncOS Software Upgrade Using Cisco SMA