Contents

C H A P T E R

10

Getting Started with Application Layer Protocol Inspection 10-1

 

 

Information about Application Layer Protocol Inspection 10-1

 

 

How Inspection Engines Work

10-1

 

 

 

 

When to Use Application Protocol Inspection

10-2

 

 

Guidelines and Limitations

10-3

 

 

 

 

 

 

 

Default Settings and NAT Limitations

10-4

 

 

 

 

Configuring Application Layer Protocol Inspection

10-7

 

 

Configuring Inspection of Basic Internet Protocols

 

C H A P T E R

11

11-1

 

 

DNS Inspection

11-1

 

 

 

 

 

 

 

 

 

Information About DNS Inspection

11-2

 

 

 

 

Default Settings for DNS Inspection

11-2

 

 

 

 

(Optional) Configuring a DNS Inspection Policy Map and Class Map 11-3

 

 

Configuring DNS Inspection

11-16

 

 

 

 

 

FTP Inspection

11-17

 

 

 

 

 

 

 

 

 

FTP Inspection Overview

11-17

 

 

 

 

 

 

Using Strict FTP

11-17

 

 

 

 

 

 

 

 

Select FTP Map

11-18

 

 

 

 

 

 

 

 

FTP Class Map 11-19

 

 

 

 

 

 

 

 

Add/Edit FTP Traffic Class Map

11-19

 

 

 

 

Add/Edit FTP Match Criterion

 

11-20

 

 

 

 

FTP Inspect Map

11-21

 

 

 

 

 

 

 

 

File Type Filtering

11-22

 

 

 

 

 

 

 

Add/Edit FTP Policy Map (Security Level)

11-22

 

 

Add/Edit FTP Policy Map (Details)

11-23

 

 

 

 

Add/Edit FTP Map

11-24

 

 

 

 

 

 

 

Verifying and Monitoring FTP Inspection

11-25

 

 

HTTP Inspection

11-26

 

 

 

 

 

 

 

 

HTTP Inspection Overview

11-26

 

 

 

 

 

Select HTTP Map

11-26

 

 

 

 

 

 

 

HTTP Class Map

11-27

 

 

 

 

 

 

 

 

Add/Edit HTTP Traffic Class Map

11-27

 

 

 

 

Add/Edit HTTP Match Criterion

11-28

 

 

 

 

HTTP Inspect Map

11-32

 

 

 

 

 

 

 

URI Filtering

11-33

 

 

 

 

 

 

 

 

Add/Edit HTTP Policy Map (Security Level)

11-33

 

 

Add/Edit HTTP Policy Map (Details)

11-34

 

 

 

 

Add/Edit HTTP Map 11-35

 

 

 

 

 

Cisco ASA Series Firewall ASDM Configuration Guide

6

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Cisco Systems ASA 5555-X, ASA 5505, ASA 5545-X, ASA 5585-X manual Getting Started with Application Layer Protocol Inspection
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ASA Services Module, ASA 5555-X, ASA 5545-X, ASA 5585-X, ASA 5580 specifications

Cisco Systems has long been a leader in the field of network security, and its Adaptive Security Appliance (ASA) series is a testament to this expertise. Within the ASA lineup, models such as the ASA 5505, ASA 5580, ASA 5585-X, ASA 5545-X, and ASA 5555-X stand out for their unique features, capabilities, and technological advancements.

The Cisco ASA 5505 is designed for small businesses or branch offices. It provides essential security features such as firewall protection, flexible VPN capabilities, and intrusion prevention. The ASA 5505 supports a user-friendly interface, allowing for straightforward management. Its built-in threat detection and prevention tools provide a layered defense, and with scalability in mind, it can accommodate various expansion options as organizational needs grow.

Moving up the line, the ASA 5580 delivers greater throughput and advanced security features. This model is suited for medium to large enterprises that require robust protection against increasingly sophisticated threats. Its multi-core architecture allows it to manage high volumes of traffic seamlessly while maintaining excellent performance levels. The ASA 5580 also supports application-layer security and customizable access policies, making it highly adaptable to diverse security environments.

The ASA 5585-X further enhances Cisco's security offerings with advanced malware protection and extensive security intelligence capabilities. It incorporates next-generation firewall features, including context-aware security, and supports advanced threat detection technologies. This model is ideal for large enterprises or data centers that prioritize security while ensuring uninterrupted network performance and availability.

For enterprises requiring a balance of performance and security, the ASA 5545-X presents a compelling option. This model features scalable performance metrics, high availability, and integrated advanced threat protection. Coupled with advanced endpoint protection and detailed monitoring capabilities, the ASA 5545-X enables organizations to manage their security posture effectively.

Lastly, the ASA 5555-X blends cutting-edge technologies with strong security infrastructures. It boasts high throughput and the ability to execute deep packet inspections. Its sophisticated architecture supports threat intelligence feeds that provide real-time security updates, making it a powerful tool against modern threats.

Each of these Cisco ASA models brings specific advantages to varied environments. Their integrative capabilities enable businesses to enhance their security postures while benefiting from seamless scalability and management. As cybersecurity threats evolve, these advanced appliances play a vital role in protecting valuable digital assets.
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