Snort 101 (Part 01)

This entry is part 2 of 4 in the series Instrusion Detection and Prevention

Views: 27Intrusion Detection System (IDS) IDS is a passive monitoring solution for detecting possible malicious activities/patterns, abnormal incidents, and policy violations. It is responsible for generating alerts for each suspicious event.  There are two main types of IDS systems; Intrusion Prevention System (IPS) IPS is an active protecting solution for preventing possible malicious activities/patterns, abnormal incidents, and policy violations. … Read more

Shodan 101

This entry is part 2 of 4 in the series Instrusion Detection and Prevention

Views: 17Shodan is a search engine for Internet-connected devices.It lets users search for various types of servers (webcams, routers, servers, etc.) connected to the internet using a variety of filters.Some have also described it as a search engine of service banners, which is metadata that the server sends back to the client.This can be information … Read more

SNORT 101 (Part 03)

This entry is part 13 of 4 in the series Instrusion Detection and Prevention

Views: 7Snort Rules Each rule should have a type of action, protocol, source and destination IP, source and destination port and an option. Remember, Snort is in passive mode by default. So most of the time, we will use Snort as an IDS. We will need to start “inline mode” to turn on IPS mode.  The Snort rule structure … Read more

SNORT 101 (Part 02)

This entry is part 14 of 4 in the series Instrusion Detection and Prevention

Views: 0SNORT in IDS/IPS mode IDS/IPS mode with parameter “-A” There are several alert modes available in snort; Only the “console” and “cmg” parameters provide alert information in the console. It is impossible to identify the difference between the rest of the alert modes via terminal. Differences can be identified by looking at generated logs.  IDS/IPS mode with parameter “-A console” … Read more