IDS evasion

Introduction

Intrusion Detection System evasion is the process of evading a host or network layer intrusion detection system by various means. 'IDS' is a broad term, and refers to intrusion detection systems across many systems - from web applications to intrusion detection systems on a computer - a commonly known example of an IDS is a Firewall or anti-virus system. Any system that has any kind of connection to the outside world can be protected with an IDS, but as most intrustion detection systems are based on evading known methods of intrusion, they can often be thwarted by a skilled professional.

Filter Evasion

Main article: Unsafe String Replacement

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