Nnx470innote00.hashnode.dev·5d ago · 4 min readBug Fix Notes: Reducing TXT_CONFLICT False Positives in ACM DNS Validation Checks(3)The Problem While building the ACM DNS Validation Checker, I added logic to detect TXT_CONFLICT. The initial idea was simple. If a TXT record exists at the exact ACM validation CNAME name, it can conf00
Nnx470innote00.hashnode.dev·5d ago · 5 min readHow to Use the ACM Pending Validation Diagnostic Runbook(2)Overview In Part 1, I covered the manual DNS checks for ACM certificates stuck in PENDING_VALIDATION and introduced the SSM Automation runbook I built to make that diagnosis easier to use. In this pos00
Nnx470innote00.hashnode.dev·5d ago · 6 min readWhy ACM Certificates Stay in Pending Validation : Troubleshooting Guide: Fix CNAME, CAA, NS, and SAN Issues (1)Introduction Sometimes you request a certificate in AWS ACM using DNS validation, but the certificate stays in PENDING_VALIDATION. In most cases, this happens because ACM has not been able to verify d00
Nnx470innote00.hashnode.dev·Jul 8 · 5 min readGit & GitHub 핵심 정리Git은 명령어를 외우는 것이 아니라 로컬(Local)과 원격(Remote)이 어떻게 상호작용하는지 이해하는 것이 가장 중요하다. Git이란? Git : 버전 관리 시스템(VCS) GitHub : Git 저장소를 온라인에서 관리하고 협업하기 위한 서비스 쉽게 말하면 Git = 버전 관리 프로그램 GitHub = Git 저장소를 올려00
Nnx470inheebrynn.hashnode.dev·Oct 31, 2024 · 2 min read2. Https Ssl/tlsWhat is HTTPS? HTTPS stands for HTTP + SSL/TLS, a protocol that encrypts data to enhance security. It ensures secure data transmission between the client and the server. In plain HTTP, a third party can intercept the data exchanged between the clie...00
