Blog Post Tells the Time

이 글은 Cloudflare CDN을 활용해 서버리스 방식으로 웹에서 시계를 동기화하는 방법을 소개한다. HTTP 헤더와 PerformanceResourceTiming API를 이용해 네트워크 지연을 보정하며, NTP 대비 정확도는 낮지만 웹 네이티브 방식으로 보안성이 높다. Cloudflare 서버의 시간 정확도와 네트워크 상태에 따라 오차가 발생할 수 있어 실용적 시간 서버 대체보다는 데모 성격이 강하다. 다중 요청 통계 분석 등으로 정밀도를 개선할 여지가 있다.

https://alexsci.com/blog/this-blog-post-tells-the-time/

#cdn #timesynchronization #serverless #cloudflare #webapi

This blog post tells the time

Using Cloudflare CDN to synchronize a clock

Built on Shards of Silicon

Architecting on Cloudflare

이 글은 Cloudflare의 개발자 플랫폼(Workers, Durable Objects, D1, R2, Workers AI 등)을 중심으로 클라우드 아키텍처 설계와 평가 방법론을 제시한다. 저자는 AWS, Azure, GCP와 비교해 Cloudflare가 제공하는 글로벌 배포, 즉각적 확장, 콜드 스타트 없는 실행 환경 등 기술적 장점을 강조하며, 실제 운영 경험을 바탕으로 한 한계와 적합성 평가 기준도 솔직하게 다룬다. 이 책은 클라우드 아키텍처에 익숙한 개발자, 솔루션 아키텍트, 기술 리더들이 Cloudflare를 기존 하이퍼스케일러 대비 검토하고 도입 여부를 판단하는 데 실질적 도움을 준다.

https://architectingoncloudflare.com/

#cloudflare #serverless #edgecomputing #developerplatform #cloudarchitecture

Architecting on Cloudflare

Decisions, Trade-offs, and Patterns for the Developer Platform

Architecting on Cloudflare

🚨 New CRITICAL CVE detected in AWS Lambda 🚨
CVE-2026-33210 impacts json in 1 Lambda base images.

Details: https://github.com/aws/aws-lambda-base-images/issues/513
More: https://lambdawatchdog.com/

#AWS #Lambda #CVE #CloudSecurity #Serverless

CVE-2026-33210 (CRITICAL): detected in Lambda Docker Images. · Issue #513 · aws/aws-lambda-base-images

CVE Details CVE ID Severity Affected Package Installed Version Fixed Version Date Published Date of Scan CVE-2026-33210 CRITICAL json 2.18.0 ~> 2.15.2.1, ~> 2.17.1.2, >= 2.19.2 2026-03-20T23:16:46....

GitHub

🚨 New CRITICAL CVE detected in AWS Lambda 🚨
CVE-2026-33210 impacts json in 1 Lambda base images.

Details: https://github.com/aws/aws-lambda-base-images/issues/513
More: https://lambdawatchdog.com/

#AWS #Lambda #CVE #CloudSecurity #Serverless

CVE-2026-33210 (CRITICAL): detected in Lambda Docker Images. · Issue #513 · aws/aws-lambda-base-images

CVE Details CVE ID Severity Affected Package Installed Version Fixed Version Date Published Date of Scan CVE-2026-33210 CRITICAL json 2.18.0 ~> 2.15.2.1, ~> 2.17.1.2, >= 2.19.2 2026-03-20T23:16:46....

GitHub

🚨 New CRITICAL CVE detected in AWS Lambda 🚨
CVE-2026-33210 impacts json in 1 Lambda base images.

Details: https://github.com/aws/aws-lambda-base-images/issues/513
More: https://lambdawatchdog.com/

#AWS #Lambda #CVE #CloudSecurity #Serverless

CVE-2026-33210 (CRITICAL): detected in Lambda Docker Images. · Issue #513 · aws/aws-lambda-base-images

CVE Details CVE ID Severity Affected Package Installed Version Fixed Version Date Published Date of Scan CVE-2026-33210 CRITICAL json 2.18.0 ~> 2.15.2.1, ~> 2.17.1.2, >= 2.19.2 2026-03-20T23:16:46....

GitHub

🚨 New CRITICAL CVE detected in AWS Lambda 🚨
CVE-2026-33210 impacts json in 1 Lambda base images.

Details: https://github.com/aws/aws-lambda-base-images/issues/513
More: https://lambdawatchdog.com/

#AWS #Lambda #CVE #CloudSecurity #Serverless

CVE-2026-33210 (CRITICAL): detected in Lambda Docker Images. · Issue #513 · aws/aws-lambda-base-images

CVE Details CVE ID Severity Affected Package Installed Version Fixed Version Date Published Date of Scan CVE-2026-33210 CRITICAL json 2.18.0 ~> 2.15.2.1, ~> 2.17.1.2, >= 2.19.2 2026-03-20T23:16:46....

GitHub

🚨 New MEDIUM CVE detected in AWS Lambda 🚨
CVE-2026-42044 impacts axios in 3 Lambda base images.

Details: https://github.com/aws/aws-lambda-base-images/issues/511
More: https://lambdawatchdog.com/

#AWS #Lambda #CVE #CloudSecurity #Serverless

CVE-2026-42044 (MEDIUM): detected in Lambda Docker Images. · Issue #511 · aws/aws-lambda-base-images

CVE Details CVE ID Severity Affected Package Installed Version Fixed Version Date Published Date of Scan CVE-2026-42044 MEDIUM axios 1.15.0 1.15.2 2026-04-24T18:16:31.613Z 2026-05-09T10:18:28.73879...

GitHub

🚨 New MEDIUM CVE detected in AWS Lambda 🚨
CVE-2026-42042 impacts axios in 3 Lambda base images.

Details: https://github.com/aws/aws-lambda-base-images/issues/510
More: https://lambdawatchdog.com/

#AWS #Lambda #CVE #CloudSecurity #Serverless

CVE-2026-42042 (MEDIUM): detected in Lambda Docker Images. · Issue #510 · aws/aws-lambda-base-images

CVE Details CVE ID Severity Affected Package Installed Version Fixed Version Date Published Date of Scan CVE-2026-42042 MEDIUM axios 1.15.0 1.15.1, 0.31.1 2026-04-24T18:16:31.293Z 2026-05-09T10:18:...

GitHub

🚨 New LOW CVE detected in AWS Lambda 🚨
CVE-2026-42040 impacts axios in 3 Lambda base images.

Details: https://github.com/aws/aws-lambda-base-images/issues/512
More: https://lambdawatchdog.com/

#AWS #Lambda #CVE #CloudSecurity #Serverless

CVE-2026-42040 (LOW): detected in Lambda Docker Images. · Issue #512 · aws/aws-lambda-base-images

CVE Details CVE ID Severity Affected Package Installed Version Fixed Version Date Published Date of Scan CVE-2026-42040 LOW axios 1.15.0 1.15.1, 0.31.1 2026-04-24T18:16:30.96Z 2026-05-09T10:18:28.7...

GitHub

🚨 New LOW CVE detected in AWS Lambda 🚨
CVE-2026-42040 impacts axios in 3 Lambda base images.

Details: https://github.com/aws/aws-lambda-base-images/issues/512
More: https://lambdawatchdog.com/

#AWS #Lambda #CVE #CloudSecurity #Serverless

CVE-2026-42040 (LOW): detected in Lambda Docker Images. · Issue #512 · aws/aws-lambda-base-images

CVE Details CVE ID Severity Affected Package Installed Version Fixed Version Date Published Date of Scan CVE-2026-42040 LOW axios 1.15.0 1.15.1, 0.31.1 2026-04-24T18:16:30.96Z 2026-05-09T10:18:28.7...

GitHub