# Questions tagged withAWS Lambda

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### Cloudfront S3 MRAPlg...

Hello All, I've been trying to setup a Multi-region access point for S3. The basic problem is that I have users in Asia that I'm trying to get better performance for. The simple part. I've created two buckets, I've put an html file in each of them with a simple name of us-east-1 and ap-south-1. Initially those were private access only but for the purpose of getting anything working they are now public. They are setup in an mrap which for now is not replicating. I setup a cloudfront distribution and pointed it at the mrap but only ever get errors. https://corridor-ap-south-1.s3.ap-south-1.amazonaws.com/test/region-test/region.html - ap-south-1 html https://corridor-cdn.s3.amazonaws.com/test/region-test/region.html - us-east-1 html mrap alias: mbzcc59bo9dy4.mrap mrap access point? https://mbzcc59bo9dy4.mrap.accesspoint.s3-global.amazonaws.com/test/region-test/region.html The errors are: The authorization mechanism you have provided is not supported. Please use Signature Version 4. I hope I'm wrong, but is there a ridiculously stupid world where I have to put a signature on my object request? This seems like it would be a complete waste of money to setup a lambda to do this for all my object requests.
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### Why is port 25 blocked for EC2 and Lambda services?lg...

The following link is helpful in answering how to unblock port 25: [Remove port 25 restriction from your EC2 instance | AWS re:Post](https://repost.aws/knowledge-center/ec2-port-25-throttle). However, my question pertains as to why it's blocked. Doing some research I've found a list of reasons as to why port 25 might be blocked or throttled by hosts and ISPs, but I was hoping for a more official explanation from AWS as to why it's blocked here. Thank you.
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