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I have been trying aws cloudfront sign package for a while, and i could get signedURL work to my cloudfront which means the cloudfront is setup properly. But there is an issue when i tried to use signed cookies in my cloudfront.

What could be the reasons for not working with signed cookies? And using postman to send cookies to the Cloudfront link for testing purpose.

Before passing the cookie values

After passing cookie values

Thank You

I found the answer, in the option parameters, we have to define the expiry time according to the documentation.

Otherwise the default time will get expired in the library I used.

Access Denied Despite Signed Cookie, I am running into an "Access Denied" 403 Server Error when I attempt to view my restricted accessed S3 file and I can't tell if it has to do with the� CloudFront signed URLs and signed cookies provide the same basic functionality: they allow you to control who can access your content. If you want to serve private content through CloudFront and you're trying to decide whether to use signed URLs or signed cookies, consider the following.

Your signed cookies are working based on the information above. Looks like the resource you are trying to access does not exist or permission denied.

If you are accessing to S3 bucket, make sure it is set to public read. If you are accessing via API Gateway, make sure you can access those URL's without cloudfront.

Resolve Access Denied Errors From a CloudFront Distribution Using , If the bucket policy grants public access, then the AWS account that owns the bucket must also own the object. The requested objects must exist� For more information, see Specifying the AWS Accounts That Can Create Signed URLs and Signed Cookies (Trusted Signers). You develop your application to determine whether a user should have access to your content and to create signed URLs for the files or parts of your application that you want to restrict access to.

Wildcards in the resource URLs of canned policies were not working for me. I had to use a custom policy for wildcards to work. In addition, make sure if you are signing the cookies for an HTTPS url you are testing your requests with an HTTPS url (obvious but easy to mess up)

Troubleshoot 403 Access Denied Errors from Amazon S3, Permissions for bucket and object owners across AWS accounts; Issues in bucket policy or AWS Identity and Access Management (IAM) user� For more information about using signed URLs and signed cookies, see Serving Private Content with Signed URLs and Signed Cookies. This topic explains in detail how to set up the OAI and grant permissions to maintain secure access to your S3 files.

I had totally the same error response. Turns out in the CloudFront-Policy cookie I was setting incorrect path to the Resource(s). I had no clue that its important for CloudFront to know the domain and even the protocol.

In my case I was setting policy Resource as relative path, which is WRONG! See below what I mean is wrong:

path_to_my_resources/*

Here's how your resource should look if you want to access it through the CloudFront domain that they generated for you:

http://somedomain.cloudfront.net/path_to_my_resources/*

or for HTTPS

https://somedomain.cloudfront.net/path_to_my_resources/* 

Finally if you want to access it through your own domain (CNAME), then you should use it in the resource property:

https://example.com/path_to_my_resources/* 

This is the final policy statement that worked for me:

{
   "Statement":[
      {
         "Resource":"https://example.com/path_to_my_resources/*",
         "Condition":{
            "IpAddress":{
               "AWS:SourceIp":"127.0.0.1/32"
            },
            "DateLessThan":{
               "AWS:EpochTime":1554469015
            }
         }
      }
   ]
}

And here's the link where you can read more about Policy Statement for signed cookie that uses custom policy: https://docs.aws.amazon.com/AmazonCloudFront/latest/DeveloperGuide/private-content-setting-signed-cookie-custom-policy.html#private-content-custom-policy-statement-signed-cookies-examples

Having trouble with Signed Cookies � Issue #23 � jasonsims/aws , When I hit CloudFront, I get access denied along with a RequestId and a HostId . I also tried to access a single object index.html using a signed� You can configure CloudFront to require that users access your files using either signed URLs or signed cookies. You then develop your application either to create and distribute signed URLs to authenticated users or to send Set-Cookie headers that set signed cookies on the viewers for authenticated users.

Why is CloudFront returning HTTP response code 403 (Access , Kashif, an AWS Cloud Support Engineer, shows you what you can do if you are getting HTTP Duration: 2:13 Posted: 19 Jun 2019 Block Public Access settings. If your users are getting Access Denied errors on public requests that should be allowed, check the bucket's Block Public Access settings. These settings can override permissions that allow public access. Block Public Access can apply to individual buckets or AWS accounts. Credentials to access Amazon S3

Restricting Access to Amazon S3 Content by Using an Origin Access , everyone to have access to the files there, or you can restrict access. If you restrict access by using, for example, CloudFront signed URLs or signed cookies, � Serving Private Content with Signed URLs and Signed Cookies Many companies that distribute content over the internet want to restrict access to documents, business data, media streams, or content that is intended for selected users, for example, users who have paid a fee.

CloudFront + S3 Access Denied Using Signed Cookies, I'm trying to integrate signed cookies for a CloudFront distribution that's fed off of an S3 bucket but getting access denied error messages: Why am I getting 403 Access Denied errors? If your distribution is using a website endpoint, verify the following requirements to avoid Access Denied errors: Objects in the bucket must be publicly accessible. Objects in the bucket can't be encrypted by AWS Key Management Service (AWS KMS). The bucket policy must allow access to s3:GetObject.

Comments
  • To summarize it should be unix utc timestamp example : 1556668800.
  • I'm accessing via API Gateway. And it can be access without cloudfront.
  • In that case, the resource you are trying to access does not exist or does not have permissions. Enabling API Gateway detailed logs will give you some insight of what is going on.
  • Thank you will try
  • That was exactly it for me! As soon as I specified https:// in the url to generate the cookie it worked!