Appendix B Signature Engines

Service Engines

Table B-27

Service RPC Engine Parameters (continued)

 

 

 

 

 

Parameter

 

Description

Value

 

 

 

specify-regex-string {yes

(Optional) Enables using a regular expression string:

0 to 65535

no}

 

• specify-exact-match-offset—Enables the exact

 

 

 

 

 

 

match offset:

 

 

 

– exact-match-offset—Specifies the exact

 

 

 

stream offset the regular expression string

 

 

 

must report for a match to be valid.

 

 

 

• specify-min-match-length—Enables the

 

 

 

minimum match length:

 

 

 

– min-match-length—Specifies the minimum

 

 

 

number of bytes the regular expression

 

 

 

string must match.

 

 

 

 

specify-is-spoof-src {yes

(Optional) Enables the spoof source address:

true false

no}

 

• is-spoof-src—Fires an alert when the source

 

 

 

 

 

 

address is 127.0.0.1.

 

 

 

 

specify-port-map-program

(Optional) Enables the portmapper program:

0 to 9999999999

{yes no}

 

• port-map-program—Specifies the program

 

 

 

 

 

 

number sent to the portmapper for this signature.

 

 

 

 

specify-rpc-max-length

(Optional) Enables RPC maximum length:

0 to 65535

{yes no}

 

• rpc-max-length—Specifies the maximum

 

 

 

 

 

 

allowed length of the entire RPC message.

 

 

 

Note Lengths longer than what you specify fire an

 

 

 

alert.

 

 

 

 

specify-rpc-procedure

(Optional) Enables RPC procedure:

0 to 1000000

{yes no}

 

• rpc-procedure—Specifies the RPC procedure

 

 

 

 

 

 

number for this signature.

 

 

 

 

specify-rpc-program {yes

(Optional) Enables RPC program:

0 to 1000000

no}

 

• rpc-program—Specifies the RPC program

 

 

 

 

 

 

number for this signature.

 

 

 

 

swap-attacker-victim

Swaps the attacker and victim addresses and ports

true false (default)

 

 

(source and destination) in the alert message and in

 

 

 

any actions taken.

 

 

 

 

 

1. The second number in the range must be greater than or equal to the first number.

For More Information

•For more information on the parameters common to all signature engines, see Master Engine, page B-4.

•For a list of the signature regular expression syntax, see Regular Expression Syntax, page B-9.

 

Cisco Intrusion Prevention System Sensor CLI Configuration Guide for IPS 7.2

B-54

OL-29168-01

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Cisco Systems IPS4510K9 manual Parameter Description Value
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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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