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[GH-ISSUE #5049] 中转内网 http3 端口的UDP流量,谷歌浏览器无法建立 http3 连接 #3972
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Reference: github-starred/frp#3972
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Originally created by @haodiao on GitHub (Nov 6, 2025).
Original GitHub issue: https://github.com/fatedier/frp/issues/5049
Describe the feature request
内网建立有 http3 的服务,用 frp 中转出去 UDP 443, 谷歌内核的浏览器永久无法切换到 http3,但火狐浏览器是没有问题的,这是什么原因?
是不是首个 http3 的 udp 数据包请求响应慢了呢?如果是那有什么办法先 hold 住,等待内网服务器的数据包过来?
还是其他原因导致谷歌内核的浏览器始终不走 http3 ?
Describe alternatives you've considered
如果 https2http 能支持 http3 就好了,就不用那么麻烦了
Affected area
@xqzr commented on GitHub (Nov 11, 2025):
“alt-svc 头”、“DNS HTTPS 记录”已添加?
@haodiao commented on GitHub (Nov 12, 2025):
建议你测试一下再回复吧。
HTTPS RR 记录目前只有 Safari 完美支持,在 Firefox 上需要 DoH/Dot/DNSSEC 才支持, Chrome 浏览器目前暂时没有支持。
ALT-SVC 这只是基本的设置,我都考虑要不要在 http2 altsvc frame 中增加 ALT-SVC,奈何没有浏览器支持 RFC 标准中的升级 http3 可选方案,就是在 http2 协议中增加 altsvc 这个握手帧。
@xqzr commented on GitHub (Nov 14, 2025):
你自己玩去吧。
配置、日志真是一点也不放
Chrome 启动参数
--origin-to-force-quic-on=*可以强制 HTTP/3@haodiao commented on GitHub (Nov 20, 2025):
换个角度,如果你是一个网站,你会通知你的所有用户都在浏览器上加启动参数吗?如果是手机用户你还会告诉吗?
@github-actions[bot] commented on GitHub (Dec 5, 2025):
Issues go stale after 14d of inactivity. Stale issues rot after an additional 3d of inactivity and eventually close.