Follow these steps to install Snort on CentOS 7:
- On the Snort home page, just scroll down a bit, and you'll see the guide on how to download and install Snort. Click on the Centos tab and follow the steps. The commands in Step 1 will download and install Snort all in one smooth operation, as shown in the following screenshot:

- Step 2 and Step 3 involve signing up for your Oinkcode so that you can download the official Snort detection rules, and then installing PulledPork so that you can keep the rules updated automatically, as shown in the following screenshot:
Bear in mind though that the free-of-charge ...