| Publisher | 3Com | ||
|---|---|---|---|
| Format | 118.5KB PDF | Date added | 01 Jul 2007 |
| Topics | Network Security, Security Management, Intrusion Detection Systems | ||
| Downloads | 27 | ||
A common notion is that an Intrusion Prevention System (IPS) is nothing more than an Intrusion Detection System (IDS) deployed in-line with blocking capabilities. This paper explains why that notion is incorrect. Although IPS and IDS both examine traffic looking for attacks, there are critical differences. IPS and IDS both detect malicious or unwanted traffic. They both do so as completely and accurately as possible, at the speed of the network. But an IPS is an in-line device designed for automatic enforcement of network policy, whereas an IDS is an out-of-band device designed as a forensic tool for security analysts.
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