https://answer.freetools.me/tags/%E6%B5%8F%E8%A7%88%E5%99%A8%E5%AE%89%E5%85%A8/ Recent content in 浏览器安全 on Answer Hugo -- 0.152.2 zh-cn Wed, 11 Mar 2026 09:13:04 +0800 https://answer.freetools.me/file-system-access-api%E6%B5%8F%E8%A7%88%E5%99%A8%E5%A6%82%E4%BD%95%E5%AE%89%E5%85%A8%E5%9C%B0%E8%B7%A8%E8%B6%8A%E6%B2%99%E7%AE%B1%E8%AE%BF%E9%97%AE%E6%9C%AC%E5%9C%B0%E6%96%87%E4%BB%B6/ Wed, 11 Mar 2026 09:13:04 +0800 https://answer.freetools.me/file-system-access-api%E6%B5%8F%E8%A7%88%E5%99%A8%E5%A6%82%E4%BD%95%E5%AE%89%E5%85%A8%E5%9C%B0%E8%B7%A8%E8%B6%8A%E6%B2%99%E7%AE%B1%E8%AE%BF%E9%97%AE%E6%9C%AC%E5%9C%B0%E6%96%87%E4%BB%B6/ 从 Chrome 86 引入 File System Access API 到 Mozilla 的坚决反对，深入解析浏览器文件访问能力的技术演进、安全模型、OPFS 私有文件系统，以及在 VSCode.dev、Photopea 等生产环境中的实践经验。 https://answer.freetools.me/%E5%86%85%E5%AE%B9%E5%AE%89%E5%85%A8%E7%AD%96%E7%95%A5%E4%B8%BA%E4%BD%95%E6%88%90%E4%B8%BA%E6%B5%8F%E8%A7%88%E5%99%A8%E5%AE%89%E5%85%A8%E7%9A%84%E5%8F%8C%E5%88%83%E5%89%91%E4%BB%8E%E7%99%BD%E5%90%8D%E5%8D%95%E9%99%B7%E9%98%B1%E5%88%B0%E4%B8%A5%E6%A0%BC%E6%A8%A1%E5%BC%8F%E7%9A%84%E5%8D%81%E5%B9%B4%E6%BC%94%E8%BF%9B/ Wed, 11 Mar 2026 04:08:14 +0800 https://answer.freetools.me/%E5%86%85%E5%AE%B9%E5%AE%89%E5%85%A8%E7%AD%96%E7%95%A5%E4%B8%BA%E4%BD%95%E6%88%90%E4%B8%BA%E6%B5%8F%E8%A7%88%E5%99%A8%E5%AE%89%E5%85%A8%E7%9A%84%E5%8F%8C%E5%88%83%E5%89%91%E4%BB%8E%E7%99%BD%E5%90%8D%E5%8D%95%E9%99%B7%E9%98%B1%E5%88%B0%E4%B8%A5%E6%A0%BC%E6%A8%A1%E5%BC%8F%E7%9A%84%E5%8D%81%E5%B9%B4%E6%BC%94%E8%BF%9B/ 深入解析Content Security Policy从白名单机制到严格模式的技术演进，剖析DOM Clobbering、JSONP绕过等攻击技术，揭示为什么67%的CSP部署形同虚设，以及Strict CSP和Trusted Types如何重塑浏览器安全格局。 https://answer.freetools.me/%E5%BD%93%E5%AF%86%E9%92%A5%E9%80%83%E7%A6%BBjavascriptweb-crypto-api%E8%AE%BE%E8%AE%A1%E8%83%8C%E5%90%8E%E7%9A%84%E5%AE%89%E5%85%A8%E5%93%B2%E5%AD%A6/ Wed, 11 Mar 2026 02:11:27 +0800 https://answer.freetools.me/%E5%BD%93%E5%AF%86%E9%92%A5%E9%80%83%E7%A6%BBjavascriptweb-crypto-api%E8%AE%BE%E8%AE%A1%E8%83%8C%E5%90%8E%E7%9A%84%E5%AE%89%E5%85%A8%E5%93%B2%E5%AD%A6/ 深入分析Web Crypto API的设计哲学、安全边界和演进历程，揭示浏览器原生密码学基础设施如何重新定义Web应用的安全边界。 https://answer.freetools.me/%E4%BD%A0%E7%9A%84%E7%9C%BC%E7%9D%9B%E5%9C%A8%E6%92%92%E8%B0%8E%E4%B8%80%E4%B8%AA%E5%AD%97%E6%AF%8D%E5%A6%82%E4%BD%95%E8%AE%A9%E6%95%B4%E4%B8%AA%E5%9F%9F%E5%90%8D%E5%8F%98%E6%88%90%E9%92%93%E9%B1%BC%E9%99%B7%E9%98%B1/ Sat, 07 Mar 2026 13:02:38 +0800 https://answer.freetools.me/%E4%BD%A0%E7%9A%84%E7%9C%BC%E7%9D%9B%E5%9C%A8%E6%92%92%E8%B0%8E%E4%B8%80%E4%B8%AA%E5%AD%97%E6%AF%8D%E5%A6%82%E4%BD%95%E8%AE%A9%E6%95%B4%E4%B8%AA%E5%9F%9F%E5%90%8D%E5%8F%98%E6%88%90%E9%92%93%E9%B1%BC%E9%99%B7%E9%98%B1/ 深度解析IDN同形字攻击的技术原理与防御策略。从Unicode字符的视觉欺骗，到Punycode编码机制，再到各大浏览器的防御差异，系统梳理域名安全中最隐蔽的威胁。涵盖UTS #39标准、IDNA2008协议、西里尔字母混淆、零宽字符攻击等核心技术，以及企业品牌保护和用户识别策略。 https://answer.freetools.me/%E8%A2%AB%E5%90%8A%E9%94%80%E7%9A%84https%E8%AF%81%E4%B9%A6%E4%B8%BA%E4%BD%95%E4%BB%8D%E7%84%B6%E5%8F%AF%E4%BF%A1%E4%BB%8E%E8%BD%AF%E5%A4%B1%E8%B4%A5%E9%99%B7%E9%98%B1%E5%88%B0crlite%E7%9A%84%E4%BA%8C%E5%8D%81%E5%B9%B4%E6%8A%80%E6%9C%AF%E7%AA%81%E5%9B%B4/ Sat, 07 Mar 2026 04:48:34 +0800 https://answer.freetools.me/%E8%A2%AB%E5%90%8A%E9%94%80%E7%9A%84https%E8%AF%81%E4%B9%A6%E4%B8%BA%E4%BD%95%E4%BB%8D%E7%84%B6%E5%8F%AF%E4%BF%A1%E4%BB%8E%E8%BD%AF%E5%A4%B1%E8%B4%A5%E9%99%B7%E9%98%B1%E5%88%B0crlite%E7%9A%84%E4%BA%8C%E5%8D%81%E5%B9%B4%E6%8A%80%E6%9C%AF%E7%AA%81%E5%9B%B4/ 深入剖析TLS证书撤销机制的结构性困境。从Heartbleed事件后87%易受攻击证书未被撤销的惊人数据出发，揭示CRL和OCSP的设计缺陷、软失败策略的致命漏洞、Chrome CRLSets与Firefox CRLite的技术分歧，以及Let's Encrypt终结OCSP、证书有效期缩短至47天等最新行业变革。 https://answer.freetools.me/%E4%B8%BA%E4%BB%80%E4%B9%88%E4%B8%80%E4%B8%AAjson%E8%AF%B7%E6%B1%82%E9%9C%80%E8%A6%81%E4%B8%A4%E6%AC%A1%E7%BD%91%E7%BB%9C%E5%BE%80%E8%BF%94cors%E9%A2%84%E6%A3%80%E6%9C%BA%E5%88%B6%E7%9A%84%E8%AE%BE%E8%AE%A1%E6%9D%83%E8%A1%A1%E4%B8%8E%E4%BC%98%E5%8C%96%E8%B7%AF%E5%BE%84/ Sat, 07 Mar 2026 03:46:07 +0800 https://answer.freetools.me/%E4%B8%BA%E4%BB%80%E4%B9%88%E4%B8%80%E4%B8%AAjson%E8%AF%B7%E6%B1%82%E9%9C%80%E8%A6%81%E4%B8%A4%E6%AC%A1%E7%BD%91%E7%BB%9C%E5%BE%80%E8%BF%94cors%E9%A2%84%E6%A3%80%E6%9C%BA%E5%88%B6%E7%9A%84%E8%AE%BE%E8%AE%A1%E6%9D%83%E8%A1%A1%E4%B8%8E%E4%BC%98%E5%8C%96%E8%B7%AF%E5%BE%84/ 深入解析CORS预检请求的性能影响与优化策略。从简单请求判定条件到浏览器缓存限制，从安全设计初衷到生产环境优化方案，系统梳理为什么OPTIONS请求可能让你的API延迟翻倍，以及如何在架构层面消除这一隐形成本。