{"published":"2025-10-15 16:13:43","image_url":null,"categories":["SSL"],"author_url":"https://blog.hatena.ne.jp/shigemk2/","type":"rich","url":"https://www.shigemk2.com/entry/2025/10/15/161343","blog_url":"https://www.shigemk2.com/","description":"Beginning September 15, 2025, SSL.com\u2019s TLS server certificates will be issued without including the Client Authentication extended key usage (EKU) extension. \u306a\u305c\u6d88\u3059\u304b \u516c\u958bTLS\u8a3c\u660e\u66f8\u306f\u3001\u30a6\u30a7\u30d6\u4e0a\u306e\u30b5\u30fc\u30d0\u30fc\u306e\u8a8d\u8a3c\u306e\u307f\u3092\u76ee\u7684\u3068\u3057\u3066\u3044\u308b \u4e00\u90e8\u306e\u30b7\u30b9\u30c6\u30e0\u304c\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u8a8d\u8a3c\u306b\u304a\u3044\u3066\u516c\u958bCA\u767a\u884c\u306e\u3042\u3089\u3086\u308b\u8a3c\u660e\u66f8\u3092\u4fe1\u983c\u3059\u308b\u53ef\u80fd\u6027 \u4e3b\u8981\u30d6\u30e9\u30a6\u30b6\u306f\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306e\u8a3c\u660e\u66f8\u306b\u304a\u3044\u3066clientAuth EKU\u3092\u8981\u6c42\u307e\u305f\u306f\u691c\u8a3c\u3057\u306a\u3044 \u7528\u9014\u3092\u5206\u96e2\u3059\u308b\u3053\u3068\u3067\u3001C\u2026","title":"SSL Client Authentication EKU","version":"1.0","height":"190","author_name":"shigemk2","provider_name":"Hatena Blog","width":"100%","blog_title":"by shigemk2","provider_url":"https://hatena.blog","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fwww.shigemk2.com%2Fentry%2F2025%2F10%2F15%2F161343\" title=\"SSL Client Authentication EKU - by shigemk2\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>"}