Snort FAQ/Wiki

This is the official Snort FAQ/Wiki repository. It was moved from the Snort.org site to Github to allow people to contribute to it through pull requests.

To checkout all the files:

git clone git://github.com/vrtadmin/snort-faq.git

FAQ Pages

What is Snort?

What is Open Source?

What can I do with Snort?

Where can I download Snort?

What is the relationship between Snort and Sourcefire?

Does Sourcefire sell Snort?

What is a Snort Integrator?

What is the role of the Sourcefire Vulnerability Research Team (VRT)

How do I submit questions about Snort?

Snort.org

What is a registered user?

Why do I need to register?

What if I do not wish to register?

Will my information be shared with any other parties or used for marketing?

How can I provide feedback or suggestions for the site?

How can I find a user group in my area?

What if there isn't a local group?

Rules

What is a Snort rule?

What is a signature?

What is a vulnerability?

What is an exploit?

What is a protocol?

What are Community Rules?

What are Sourcefire VRT Certified Rules?

What is a user-defined rule?

How are rules distributed?

Sourcefire VRT Subscription

What does having a Sourcefire VRT subscription entitle me to?

Do I have to subscribe to receive Sourcefire VRT rules?

How much does a subscription cost?

If I purchase a subscription, can I deploy the rules on more than one sensor?

Can I use tools such as PulledPork to manage the subscription?

Where do I go to subscribe to the Sourcefire VRT Certified Ruleset?

Licensing

What is the GNU GPL?

What is the Sourcefire VRT Certified Rules License Agreement?

What is the Snort Integrator License from Sourcefire?

How is the Snort software licensed?

Why are the rules licensed separately from the software?

What license is used if I contribute code for the Snort Engine?

What license is used if I contribute a rule for Snort?