Chapter 27 Configuring Threat Detection

Configuring Basic Threat Detection Statistics

Guidelines and Limitations

This section includes the guidelines and limitations for this feature:

Security Context Guidelines

Supported in single mode only. Multiple mode is not supported.

Firewall Mode Guidelines

Supported in routed and transparent firewall mode.

Types of Traffic Monitored

Only through-the-box traffic is monitored; to-the-box traffic is not included in threat detection.

Default Settings

Basic threat detection statistics are enabled by default.

Table 27-1lists the default settings. You can view all these default settings using the show running-config all threat-detectioncommand in Tools > Command Line Interface.

Table 27-1

Basic Threat Detection Default Settings

 

 

 

 

 

 

 

 

 

Trigger Settings

 

 

 

 

Packet Drop Reason

Average Rate

Burst Rate

 

 

 

 

•

DoS attack detected

100 drops/sec over the last 600

400 drops/sec over the last 20

•

Bad packet format

seconds.

second period.

 

 

•

Connection limits exceeded

80 drops/sec over the last 3600

320 drops/sec over the last 120

seconds.

second period.

•

Suspicious ICMP packets

 

 

 

detected

 

 

 

 

 

 

Scanning attack detected

5 drops/sec over the last 600

10 drops/sec over the last 20

 

 

 

seconds.

second period.

 

 

 

 

 

 

 

 

4 drops/sec over the last 3600

8 drops/sec over the last 120

 

 

 

seconds.

second period.

 

 

 

Incomplete session detected such as

100 drops/sec over the last 600

200 drops/sec over the last 20

TCP SYN attack detected or no data

seconds.

second period.

UDP session attack detected

 

 

80 drops/sec over the last 3600

160 drops/sec over the last 120

(combined)

 

 

seconds.

second period.

 

 

 

 

 

 

Denial by ACLs

400 drops/sec over the last 600

800 drops/sec over the last 20

 

 

 

seconds.

second period.

 

 

 

 

 

 

 

 

320 drops/sec over the last

640 drops/sec over the last 120

 

 

 

3600 seconds.

second period.

 

 

 

• Basic firewall checks failed

400 drops/sec over the last 600

1600 drops/sec over the last 20

•

Packets failed application

seconds.

second period.

 

 

 

inspection

 

320 drops/sec over the last

1280 drops/sec over the last 120

 

 

 

3600 seconds.

second period.

 

 

 

 

 

Cisco ASA Series Firewall ASDM Configuration Guide

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Cisco Systems ASA 5585-X manual Guidelines and Limitations, Security Context Guidelines, Types of Traffic Monitored, 27-3
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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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