Using S3 Bucket Policies and Conditions to Restrict Specific Permissions

Beginner

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Create and Apply S3 Bucket Policies with Conditions to Restrict Specific Bucket Permissions

Being able to restrict and grant access to specific S3 resources is fundamental when implementing your security procedures. There are various methods that could be used to achieve this, one of which is to implement bucket policies. Bucket policies are applied directly to a bucket within S3 itself, and apply to that bucket only.  

To make your bucket policy even more effective, you can apply specific conditions as to when the effects of that Policy should apply. There are a number of conditions you could base your bucket policy upon, and the AWS documentation provides greater insight into these found here.

It is also possible to create user policies which are created within IAM, however for this lab we will be focusing on bucket policies. For more information regarding user policies, please see our other labs and courses relating to IAM.

This lab will guide you through the bucket policy creation process with the use of the AWS Policy Generator. 

We will create 2 Bucket Policies

1. Configure a bucket policy that will restrict what a user can do within an S3 bucket based upon their IP address

2. Configure a bucket policy to only allow the upload of objects to a bucket when server side encryption has been configured for the object

 

You'll build and learn following these steps:

Log In to the Amazon Web Service Console

Your first step to start the laboratory experience

Create an S3 bucket

How to create an S3 bucket.

Create a Bucket Policy Within S3 with IP Address Conditions

How to create and apply a bucket policy with IP address conditions within S3 using the AWS Policy Generator.

Create a Bucket Policy Within S3 with Encryption Conditions

How to create and apply a bucket policy with encryption conditions using the AWS Policy Generator.