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Category Archives: Security

Snort as an Intrusion Prevention System (IPS, Inline)

07-Sep-07

IPS
Snort can also be used in conjunction with libipq instead of libpcap in order to rewrite iptables rules as needed to divert malicious packets. Snort Inline used to be a separate project, but is now included as part of snort. Obviously you have to be careful to not lock yourself out, and moreover, […]

Snort as an Intrusion Detection System (IDS)

06-Sep-07

IDS
Snort’s primary use is as a Network-based Intrusion Detection System. An IDS monitors network traffic and will generally work in one of the following ways:

Signature detection - where it inspects packets and compares them to a list of known attack signatures. Because Signature detection systems check against an existing list of attack signatures, […]

Intrusion Detection and Prevention - Network Security Using Snort, a Primer

05-Sep-07

IDS & IPS with Snort
Intrusion detection and intrusion prevention have been popular topics of computer security, and many of those conversations probably involve Snort at some point or another. Snort is a highly configurable security application, that can work as either a host-based or network-based IDS or IPS. The key difference between an […]