# Path Building vs Path Verifying: The Chain of Pain

- **期号**: SRE Weekly Issue #290（2021-10-03）
- **作者**: Ryan Sleevi
- **链接**: https://medium.com/@sleevi_/path-building-vs-path-verifying-the-chain-of-pain-9fbab861d7d6

## 简介

This article explains why some versions of OpenSSL are unable to validate certificates issued by Let’s Encrypt now, even though the certificates should be considered valid.

## 正文

> ⚠️ 抓取失败：HTTP 403