By Michael Sweeney, C. Tate Baumrucker, James. D. Burton, Ido Dubrawsky
Cisco structures, Inc. is the global chief in networking for the web, and its Intrusion Detection platforms line of goods is making in roads within the IDS marketplace phase, with significant enhancements having occurred in February of 2003.
A finished, up to date advisor to the and software program that include the Cisco IDS. This booklet does greater than exhibit community engineers find out how to manage and deal with this line of top promoting items ... it walks them step-by-step via the entire targets of the Cisco safe Intrusion Detection process path (and corresponding examination) that community engineers needs to move on their solution to reaching sought-after CCSP certification.
* bargains whole assurance of the Cisco safe Intrusion Detection structures examination (CSIDS 9E0-100) for CCSPs
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Additional info for Cisco Security Professionals Guide To Secure Intrusion Detection Systems Ebook
Cisco Active Defense focuses on three points: • Detection The ways and means to identify malicious attacks on networks and resources. • Prevention How to stop detected attacks from being executed. • Reaction How to immunize the systems from future attacks and provide real-time alerts. We'll learn that Cisco IDS sensors provide Active Defense detection using several methods, including signature detection and other hybrid techniques. We'll also discuss the ways Cisco IDS can stop an attacker in his footsteps by sending TCP resets or dynamically manipulating firewall rule sets to prevent unwanted access.
If the performance of an IDS sensor cannot keep up with the throughput of the network which it monitors, the IDS will issue an alert to administrators indicating that it is oversubscribed. Q. If I deploy a lot of IDS sensors in my network, will I overload the network with alert messages and other IDS report traffic? A. The Cisco IDS sensors only issue an alarm when they detect a potentially malicious situation. Even then, they do not replicate the offending traffic back to the IDS console. They simply report the event in an efficient and quickly transferred UDP flow.
Because security devices (such as IDS) transport potentially sensitive data, secure techniques, such as SSH, IEV, or IDM, should be used to monitor and maintain the security infrastructure. Cisco has also developed two protocols by which IDS equipment can be managed, PostOffice Protocol and Remote Data Exchange Protocol (RDEP). We'll discuss both of these protocols next. Cisco PostOffice Protocol To manage and maintain the Cisco IDS devices, Cisco first developed a proprietary protocol known as PostOffice Protocol.