Chapter 10 Configuring Global Correlation

Understanding Global Correlation Sensor Health Metrics

•For information about configuring an HTTP proxy or DNS server to support global correlation, see Configuring the DNS and Proxy Servers for Global Correlation and Automatic Update, page 3-10.

Understanding Global Correlation Sensor Health Metrics

For global correlation, the following metrics are added to sensor health monitoring:

•Green indicates that the last update was successful.

•Yellow indicates that there has not been a successful update within the past day (86,400 seconds).

•Red indicates that there has not been a successful update within the last three days (259,200 seconds).

For network participation, the following metrics are added to sensor health monitoring:

•Green indicates that the last connection was successful.

•Yellow indicates that less than 6 connections failed in a row.

•Red indicates that more than 6 connections failed in a row.

Use the health-monitorcommand in service submode to configure the Use the show health command to see the results of the health-monitor

health statistics for the sensor. command.

Global correlation health status defaults to red and changes to green after a successful global correlation update. Successful global correlation updates require a DNS server or an HTTP proxy server. If the sensor is deployed in an environment where a DNS or HTTP proxy server is not available, you can address the red global correlation health and overall sensor health status by disabling global correlation and configuring sensor health status not to include global correlation health status.

For More Information

•For more information about the sensor health metrics and how to enable/disable Global Correlation health status, see Configuring Health Status Information, page 17-13.

•For the procedure to view sensor health metrics, see Showing Sensor Overall Health Status, page 17-17.

•For information about configuring an HTTP proxy or DNS server to support global correlation, see Configuring the DNS and Proxy Servers for Global Correlation and Automatic Update, page 3-10.

•For the procedure to disable global correlation, see Configuring Global Correlation Inspection and Reputation Filtering, page 10-10.

Configuring Global Correlation Inspection and Reputation Filtering

This section describes global correlation inspection and reputation filtering, and how to configure them. It contains the following topics:

•Understanding Global Correlation Inspection and Reputation Filtering, page 10-9

•Configuring Global Correlation Inspection and Reputation Filtering, page 10-10

 

Cisco Intrusion Prevention System Sensor CLI Configuration Guide for IPS 7.2

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Cisco Systems IPS4510K9 manual Understanding Global Correlation Sensor Health Metrics, 10-8
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IPS4510K9 specifications

Cisco Systems has long been a leading player in network security, and its IPS (Intrusion Prevention System) series is a testament to its commitment to safeguarding digital environments. Among its notable offerings are the IPS4510K9 and IPS4520K9 models, both designed to provide advanced threat protection for mid-sized to large enterprise networks.

The Cisco IPS4510K9 and IPS4520K9 are distinguished by their cutting-edge features that help organizations defend against a myriad of cyber threats. These systems utilize a multi-layered approach to security, integrating intrusion prevention, advanced malware protection, and comprehensive visibility across the network.

One of the primary characteristics of the IPS4510K9 is its high performance. It boasts a throughput of up to 1 Gbps, making it suitable for environments that demand rapid data processing and real-time responses to threats. The IPS4520K9, on the other hand, enhances that capability with improved throughput of up to 2 Gbps, accommodating larger enterprises with heavier network traffic. These models are equipped with powerful processors that support complex signature matching and can intelligently distinguish between legitimate traffic and potential threats.

In addition to performance, both models are designed with scalability in mind. They can be easily integrated into existing Cisco infrastructures. This facilitates a seamless enhancement of security without causing significant interruptions to ongoing operations. Moreover, they offer flexible deployment options, allowing organizations to operate them inline or out of band depending on their specific needs.

The Cisco IPS4510K9 and IPS4520K9 leverage advanced detection technologies, utilizing a variety of signature types and heuristic analysis to detect known and unknown threats effectively. They are equipped with real-time alerting and reporting capabilities, giving security teams immediate visibility into potential breaches and enabling them to respond swiftly.

Furthermore, both models support a range of management options through the Cisco Security Manager, allowing for centralized administration, streamlined policy management, and enhanced monitoring capabilities. Automated updates ensure the systems remain current with the latest threat intelligence, vital for staying ahead of evolving cyber threats.

In summary, the Cisco Systems IPS4510K9 and IPS4520K9 represent powerful solutions for organizations seeking robust intrusion prevention capabilities. With their high performance, scalability, and advanced detection technologies, these systems are essential tools in the ever-changing landscape of cybersecurity, providing enterprises with the peace of mind needed to operate securely in today's digital world.
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