From the course: Complete Guide to AWS Security and Compliance Management

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Understanding public access in S3

Understanding public access in S3

- [Instructor] With an appreciation of access control lists, let's understand how they interact with public access at the account and bucket level. Recall that here I am accessing my pink image over the public internet. Remember, the access control list for this object allows anyone on the globe to read it. Let's take a look at how we could override this capability at the bucket level. Clicking back on the tab that summarizes this bucket, I click on the Permissions link. The easiest way to inhibit access is to simply block all public access. I can do so by clicking the Edit button under Block public access. Then selecting Block all public access. That said, there are some nuances that are available in this section. For example, I could block access through new ACLs or any ACLs. Thinking through each variation here is something you'd want to consider carefully before making a change. For illustrative purposes, I'm simply going to Block all public access. With that checkbox selected, I…

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