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Snort
Last modified: Monday, January 23, 2006 

Snort is an open source network intrusion prevention system (IPS) capable of performing real-time traffic analysis and packet-logging on IP networks. It can perform protocol analysis, content searching & matching and can be used to detect a variety of attacks and probes, such as buffer overflows, stealth port scans, CGI attacks, SMB probes, OS fingerprinting attempts and more.

Snort uses a flexible rules language to describe traffic that it should collect or pass, as well as a detection engine that uses a modular plug-in architecture. Snort has a real-time alerting capability as well, incorporating alerting mechanisms for syslog, a user-specified file, a UNIX socket, or WinPopup messages to Windows clients using Samba's smbclient. Snort has three primary uses. It can be used as a straight packet sniffer like tcpdump, a packet logger (useful for network traffic debugging and so), or as a full-blown network intrusion prevention system.  [Source: Snort Web site]

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For internet.com pages about Snort . Also check out the following links!

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Snort Web site 
In 1998, Martin Roesch wrote an open source technology called Snort, which he termed a "lightweight" intrusion detection technology in comparison to commercially available systems.

O'Reilly Press - Managing Security with Snort and IDS Tools
In Managing Security with Snort and IDS Tools, the authors show network and system administrators how to effectively employ the Snort Intrusion Detection System to fend off attack.

Running Snort Under Windows
As a long time implementer and user of Microsoft products (Starting with NT version 3.0) I’ve long been frustrated with the wealth of security products available for the Unix operating system as compared those available for Microsoft.

Snort on BeOS: A How-To
While this page is intended for people using BeOS (BONE, BeOs Networking Environment) it should cover most other OSes. It is primarily targeted at people who wish to run Snort with PostgreSQL as a backend.

related categories

Open Source (OSRC)

Security

Software

related terms

buffer overflow

intrusion prevention system

network

open source

phishing

quarantine

security

software

system

system administrator


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