Chapter 7 Defining Signatures

Configuring Signatures

Table 7-2

Define Content Type Signatures (continued)

 

 

 

Signature ID

 

Signature Description

 

 

 

12664 0

 

Content Type application/x-gzip Header Check

12664 1

 

Content Type application/x-gzip Invalid Message Length

12664 2

 

Content Type application/x-gzip Verification Failed

 

 

 

12665 0

 

Content Type application/x-java-archive Header Check

12665 1

 

Content Type application/x-java-archive Invalid Message Length

 

 

 

12666 0

 

Content Type application/x-java-vm Header Check

12666 1

 

Content Type application/x-java-vm Invalid Message Length

 

 

 

12667 0

 

Content Type application/pdf Header Check

12667 1

 

Content Type application/pdf Invalid Message Length

12667 2

 

Content Type application/pdf Verification Failed

 

 

 

12668 0

 

Content Type unknown Header Check

12668 1

 

Content Type unknown Invalid Message Length

 

 

 

12669 0

 

Content Type image/x-bitmap Header Check

12669 1

 

Content Type image/x-bitmap Invalid Message Length

 

 

 

12673 0

 

Recognized content type

 

 

 

For More Information

•For the procedure for enabling signatures, see Configuring the Status of Signatures, page 7-13.

•For the procedure for creating an ACI signature, see Creating an AIC Signature, page 7-26.

AIC Transfer Encoding Signatures

There are three policies associated with transfer encoding:

•Associate an action with each method (Define Transfer Encoding)

•List methods recognized by the sensor (Recognized Transfer Encodings)

•Specify which actions need to be taken when a chunked encoding error is seen (Chunked Transfer Encoding Error)

Table 7-3lists the predefined transfer encoding signatures. Enable the signatures that have the predefined transfer encoding method you need.

 

 

 

 

Table 7-3

Transfer Encoding Signatures

 

 

 

 

 

 

 

 

 

 

 

 

Signature ID

 

Transfer Encoding Method

 

 

 

 

 

12686

 

Recognized Transfer Encoding

 

 

 

 

 

12687

 

Define Transfer Encoding Deflate

 

 

 

 

 

12688

 

Define Transfer Encoding Identity

 

 

 

 

 

12689

 

Define Transfer Encoding Compress

 

 

 

 

 

12690

 

Define Transfer Encoding GZIP

 

 

 

 

 

12693

 

Define Transfer Encoding Chunked

 

 

 

 

 

12694

 

Chunked Transfer Encoding Error

 

 

 

 

 

 

 

 

 

 

Cisco Intrusion Prevention System Sensor CLI Configuration Guide for IPS 7.2

 

 

 

 

7-24

 

 

 

 

 

OL-29168-01

 

 

 

 

 

 

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Cisco Systems IPS4510K9 manual AIC Transfer Encoding Signatures, Signature ID Transfer Encoding Method
Page 207 Page 209

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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