A Practice Note providing an overview of the safe harbor provisions of the Digital Millennium Copyright Act (DMCA), also known as the Online Copyright Infringement Liability Limitation Act (OCILLA). Under certain circumstances, the DMCA's safe harbor provisions protect online service providers from copyright infringement liability based on the actions of their users. This Note discusses the four safe harbors created by the DMCA, eligibility requirements for each safe harbor, and the DMCA's notice, takedown, and counter-notice framework.