DoH浏览器实现
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DoH浏览器实现是指将[[dns-over-https|DNS-over-HTTPS]]直接集成到Chrome、Firefox、Edge和Brave等浏览器中，绕过操作系统的DNS解析器。在浏览器中启用DoH后，DNS查询会被加密并发送至用户配置或自动选择的解析器（如Cloudflare的1.1.1.1或Google的8.8.8.8），从而防止ISP和网络监听者在DNS层面监控浏览活动。浏览器级DoH仅适用于该浏览器产生的流量，这与系统级DoH不同，且可能覆盖企业DNS过滤策略。
示例
A Firefox user enables 'Increased Protection' mode, which silently switches all browser DNS queries to Cloudflare's DoH resolver, hiding their browsing intent from their ISP even while connected to public Wi-Fi.