How to Install and Set Up Snort IDS on Linux to Secure Your Network
Protect your network from intruders and unsolicited attacks by installing and setting up Snort IDS.
What you will learn:
1. How to install an IPS or IDS solution
2. How to deflect potentially unwanted network traffic
3. how you can install and set up Snort on Linux to defend your network from cyber-attacks
4. How to an open-source Network Intrusion Detection and Prevention System (NIDS/IPS) software
5. Prerequisites to Install Snort on Linux
a. How to install Snort
b. How to update and upgrade your system
c. How to install the dependencies required by Snort to function properly
d. How to update and upgrade your system On Ubuntu- and Debian-based Linux distros
e. How to update and upgrade your system On Arch Linux and its derivatives
f. How to update and upgrade your system On RHEL and Fedora
g. How to manually install the Data Acquisition Library, LibDAQ for Snort to function properly and also gperftools to generate the build files
h. How to download the LibDAQ source files from the official website using the wget command
i. How to run the bootstrap and configure scripts
j. How to install gperftools by grabbing the source files from the GitHub repo
6. Install Snort From Source on Linux
a. How to Use the wget command to download snort
b. How to successfully installed snort in your system
c. How to fix when you run into errors when starting the application
d. How to run the ldconfig command
e. How to sync the system's shared library cache with newly installed libraries and binaries
f. How To verify the snort installation
g. How to see an output returning the version name and other data
h. How to set Snort as a full-blown IDS/IPS
7. Initial Configuration of Snort on Linux
a. How to configure the network cards to work with Snort
b. How to test how the default configuration is being handled by Snort
c. How to Set the network interface to promiscuous mode
d. How to disable Generic Receive Offload (GRO) and Large Receive Offload (LRO) to prevent larger network packets from being truncated
e. How to Test how Snort performs with the default configuration
f. How to installed and set up Snort correctly in your system
8. Set Up Rules and Enforce Them With Snort
a. How to defend your perimeter with Snort
b. How to create a few important directories to store rules and other relevant data for Snort
c. How you can download the community ruleset from the official website using the wget command
d. How to copy the rules to the /usr/local/etc/rules/ directory
e. How To run Snort with the rule set
f. How to sets the path to the default configuration file
g. How to sets the path to the rule set to enforce
h. How to sets the interface
i. How to discards snaplen limit
j. How to ignores checksums
k. How to validate the configuration and enforce all the rule sets on Snort
9. Set Up Logging With Snort
a. How to start Snort in logging mode
b. How to set the logging directory for Snort to dump the logs
c. How to sets the path to the default configuration file
d. How to sets the path to the rule set to enforce
e. How to sets the interface
f. How to discards snaplen limit
g. How to ignores checksums
h. How to enables logging mode and defines the log file type
i. How to defines the path to store logs
10. Add Snort as a System Startup Daemon
a. How to install and set up Snort
b. How to make sure snort starts executing at startup and running as a background daemon
c. How to ensure snort as an auto-start system service
d. How to ensure Snort is up and defending your system at all times it's online
e. how to add a Snort startup daemon on Linux
f. How to create a new systemd service file
g. How to use the service and systemctl commands to enable and start the script
h. How You can verify the status of the script using the systemctl status snort command
11. How to Protect Your Network With Snort IDS
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