allow & deny policy

Question

hello 
i want to create a policy to allow a user to add/list files to a bucket, and deny deleting or overwriting the file!  
I'm always stuck! or I can upload and overwrite the file, or I can't upload, didn't find a policy that will allow me that 
please help, and thanks ahead

Answer

You can start with this bucket policy - https://raw.githubusercontent.com/mrdlcastle/aws-resources/main/default-bucket-policy.json

Update it to provide the necessary access to the role or user that you want to provide for the bucket.

Here's more on how to set up the bucket policy - https://docs.aws.amazon.com/AmazonS3/latest/userguide/add-bucket-policy.html

Hope this helps.

Answer

Take a look at [S3 Object Lock](https://aws.amazon.com/blogs/storage/protecting-data-with-amazon-s3-object-lock/).

allow & deny policy

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