Sage-Tips

What is difference between S3 bucket policies and IAM policies?

IAM policies vs. In other words, IAM policies define what a principal can do in your AWS environment. S3 bucket policies specify what actions are allowed or denied for which principals on the bucket that the bucket policy is attached to (e.g. allow user Alice to PUT but not DELETE objects in the bucket).

What is IAM role for S3 bucket?

An IAM role is similar to a user, because it defines an AWS identity with permission policies that determine what the identity can and cannot do in AWS. Navigate to the AWS Services page. To create an S3 bucket, click S3. After you create an S3 bucket, go to the AWS Services page and click IAM.

What is the difference between EC2 and AWS?

Amazon Elastic Compute Cloud (EC2) is one of the services provided by Amazon Web Services and provides access to server instances on demand as a service. EC2 is a core part of AWS providing the compute facility for organisations. So summarising, AWS is a set of services that form Amazons IaaS offering.

Does EC2 use S3?

Amazon Simple Storage Service (S3) and Amazon Elastic Compute Cloud (EC2) are two major storage services for AWS. S3 is more lightweight and provides the capability to store data. EC2, on the other hand, is a web service that provides secure, resizable computing capacity in the cloud.

What is AWS IAM roles?

An IAM role is an AWS Identity and Access Management (IAM) entity with permissions to make AWS service requests. IAM roles cannot make direct requests to AWS services; they are meant to be assumed by authorized entities, such as IAM users, applications, or AWS services such as EC2.

What is ACL and bucket policy?

There are two types of ACLs available when leveraging S3: Bucket and Object. Bucket ACLs allow you to control access at a bucket level, while Object ACLs allow you to control access at the object level. For example, you could use S3 object ACLs if you need to manage permissions on individual objects within a bucket.

What is EC2 instance profile?

EC2 instance profiles allow you to attach an IAM role to an EC2 instance. This allows any application running on the instance to access certain resources defined in the role policies. Instance profiles, and roles in general, provide temporary credentials per-use.

What is S3 on AWS?

Amazon Simple Storage Service (Amazon S3) is an object storage service that offers industry-leading scalability, data availability, security, and performance. You can use Amazon S3 to store and retrieve any amount of data at any time, from anywhere. Amazon S3 stores data as objects within buckets.

What is the difference between AWS EC2 and AWS S3?

AWS EC2 is a hosting service by AWS where one can use it host your servers Virtually, Where as S3 is a storage service by AWS where one can store data to S3. EC2 is a region specific service, where a S3 is global service where S3 does not have any region specifications to go with.

What is the difference between Amazon EBS and S3?

Amazon EBS (Elastic Block Store) is a virtual disk for your virtual machine, like your C: and D: drive. You can create any number of disks, each of any size. Amazon S3 (Simple Storage Service) stores files, making them available on the Internet if you wish. Many popular services store their data in S3, such as Dropbox.

What is Amazon S3 and how does it work?

Amazon S3 is an object storage that was designed for storing data of any size, of non-standard format, or highly dynamic. (To learn more about the benefits of object storage, especially in the context of cloud computing, check out our article on cloud object storage.) Amazon S3 is not the only storage service available on AWS.

What is the difference between S3 and EC2 hosting?

So dynamic content can be hosted on EC2 and can be viewed from the web. S3 is storage in the cloud. It is used to archive and retrieve files and it can work along EC2 to become part of the website. It can also be used to host static websites. i.e. html only pages.