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CCNP Security IPS 642-627 Official Cert Guide: Network IPS Traffic Analysis Methods, Evasion Possibilities, and Anti-evasive Countermeasures

Date: Jul 18, 2011.

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Article Description

This chapter covers the various methods used for traffic analysis using a network IPS sensor, the various evasion techniques used by attackers to bypass detection & filtering while understanding the benefits and limitations of each method to assess the risk of evasion, and the various countermeasures, tools, and choosing the best approach based on the methods used by attackers.

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CCNP Security IPS 642-627 Official Cert Guide

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References

IDS Evasion with Unicode - http://www.securityfocus.com/infocus/1232
IDS Evasion Techniques and Tactics - http://www.securityfocus.com/infocus/1577
Evading NIDS, Revisited - http://www.securityfocus.com/infocus/1852
Insertion, Evasion, and Denial of Service: Eluding Network Intrusion Detection - http://www.insecure.org/stf/secnet_ids/secnet_ids.html
Firewall/IDS Evasion and Spoofing - http://nmap.org/book/man-bypass-firewalls-ids.html
Intrusion Detection FAQ: IDS Evasion and Denial of Service Using RPC Design Flaws - http://www.sans.org/security-resources/idfaq/rpc_evas.php
Intrusion Detection Evasion: How Attackers Get Past The Burglar Alarm - http://www.sans.org/reading_room/whitepapers/detection/intrusion-detection-evasion-attackers-burglar-alarm_1284
Intrusion Detection FAQ: How does Fragroute Evade NIDS Detection - http://www.sans.org/security-resources/idfaq/fragroute.php

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