#aws
6 essays on aws from the people writing in Remote Since Forever.
- Essays
- 6
- Contributors
- 2
- First filed
- Feb 2024
- Latest
- Sep 2026
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aws
Closing the Rate-Limit Bypass: A CloudFront + ALB Case Study
How we closed an `X-Forwarded-For` spoofing bypass on an AWS WAF rate-limit rule — CloudFront custom secret header, ALB origin verification, and a composite-key rate-based rule that actually counts real clients.
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aws
Cutting the File-Upload Bill: A Cognito + S3 Case Study
How we replaced a hosted upload widget with native Cognito and S3, kept the browser uploading straight to the bucket, and brought the monthly invoice down.
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aws
How a CloudFront Custom Error Page Leaked JWTs to S3: A Case Study
A pen-test curl found CloudFront forwarding `Authorization` headers to the S3 error-page bucket, where S3 reflected every JWT back in its XML error response. Two lines of Terraform closed it across sixteen distributions.
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devsecops
From DevOps to DevSecOps: How I Became Clearview's In-House Pen-Tester
How we built an in-sprint pen-tester role into every engagement — the DevSecOps handoff, the two decades of DevOps that led to it, and the OWASP Top 10 categories that show up first in real client APIs.
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technology
The most Flexible AWS Savings Plan
How AWS Compute Savings Plans can cut up to 66% off the cloud bill — without locking you into an instance family.
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aws cost optimization
Migrating EC2 to AWS Graviton (ARM): A Cost-Reduction Case Study
How we cut Clearview client EC2 bills by up to 20% by migrating x86 workloads to AWS Graviton (ARM64) — the instance-family swap (M6g, C7gd, R7g), the AMI-selection step in Terraform, and the compatibility checks we ran first.
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