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Cisco Systems IPS4510K9 manual Crlfcrlf

Models: IPS4510K9

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Appendix B Signature Engines

Service Engines

Before an HTTP packet can be inspected, the data must be deobfuscated or normalized to the same representation that the target system sees when it processes the data. It is ideal to have a customized decoding technique for each host target type, which involves knowing what operating system and web server version is running on the target. The Service HTTP engine has default deobfuscation behavior for the Microsoft IIS web server.

Table B-22lists the parameters specific the Service HTTP engine.

 

 

Table B-22

Service HTTP Engine Parameters

 

 

 

 

 

 

 

 

 

 

 

 

Parameter

 

Description

Value

 

 

 

 

 

 

 

 

de-obfuscate

 

Applies anti-evasive deobfuscation before

true false

 

 

 

 

searching.

 

 

 

 

 

 

 

 

 

 

 

 

max-field-sizes

 

Enables maximum field sizes grouping.

—

 

 

 

 

 

 

 

specify-max-arg-field-length

(Optional) Enables maximum argument field

0 to 65535

 

 

{yes no}

 

length:

 

 

 

 

 

 

 

 

•

max-arg-field-length—Specifies the

 

 

 

 

 

 

 

 

 

maximum length of the arguments field.

 

 

 

 

 

 

 

 

 

 

 

specify-max-header-field-length

(Optional) Enables maximum header field

0 to 65535

 

 

{yes no}

 

length:

 

 

 

 

 

 

 

 

•

max-header-field-length—Specifies the

 

 

 

 

 

 

 

 

 

maximum length of the header field.

 

 

 

 

 

 

 

 

 

 

 

specify-max-request-length {yes

(Optional) Enables maximum request field

0 to 65535

 

 

no}

 

length:

 

 

 

 

 

 

 

 

•

max-request-length—Specifies the

 

 

 

 

 

 

 

 

 

maximum length of the request field.

 

 

 

 

 

 

 

 

 

 

 

specify-max-uri-field-length

(Optional) Enables the maximum URI field

0 to 65535

 

 

{yes no}

 

length:

 

 

 

 

 

 

 

 

•

max-uri-field-length—Specifies the

 

 

 

 

 

 

 

 

 

maximum length of the URI field.

 

 

 

 

 

 

 

 

 

 

 

 

regex

 

Enables regular expression grouping.

—

 

 

 

 

 

 

 

specify-arg-name-regex {yes

(Optional) Enables searching the Arguments

—

 

 

no}

 

field for a specific regular expression:

 

 

 

 

 

 

 

 

• arg-name-regex—Specifies the regular

 

 

 

 

 

 

 

 

 

expression to search for in the HTTP

 

 

 

 

 

 

 

 

 

Arguments field (after the ? and in the

 

 

 

 

 

 

 

 

 

Entity body as defined by

 

 

 

 

 

 

 

 

 

Content-Length).

 

 

 

 

 

 

 

 

 

 

 

specify-header-regex {yes no}

(Optional) Enables searching the Header

—

 

 

 

 

field for a specific regular expression:

 

 

 

 

 

 

 

 

• header-regex—Specifies the regular

 

 

 

 

 

 

 

 

 

expression to search in the HTTP Header

 

 

 

 

 

 

 

 

 

field.

 

 

 

 

 

 

 

 

Note The Header is defined after the first

 

 

 

 

 

 

 

 

 

CRLF and continues until

 

 

 

 

 

 

 

 

 

CRLFCRLF.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Cisco Intrusion Prevention System Sensor CLI Configuration Guide for IPS 7.2

 

 

 

 

 

 

 

 

OL-29168-01

 

 

 

 

 

B-47

 

 

 

 

 

 

 

 

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Cisco Systems IPS4510K9 manual Crlfcrlf
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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.