> For the complete documentation index, see [llms.txt](https://developers.oxylabs.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://developers.oxylabs.io/help-center/cn/chan-pin-yu-gong-neng/oxylabs-shi-fou-zhi-chi-yong-yu-http3-lian-jie-de-masque.md).

# Oxylabs 是否支持用于 HTTP/3 连接的 MASQUE？

是。 [住宅代理](https://oxylabs.io/products/residential-proxy-pool) 原生支持 `UDP` 和 `HTTP/3` 通过 MASQUE 隧道（[RFC 9298 CONNECT-UDP](https://datatracker.ietf.org/doc/html/rfc9298)).

大多数代理路由会将流量强制通过一个 `TCP` 连接——通过 `HTTP CONNECT`，或 `SOCKS5` 没有 `UDP` 支持——这会导致 `HTTP/3` 请求降级为 `HTTP/2` 或 `HTTP/1.1`。到达 `HTTP/3` 以前，在不进行该降级的情况下访问目标是可行的，使用我们的 `SOCKS5` 带有……的端点 `UDP` 支持，但通常需要自定义客户端代码。 

MASQUE 维持端到端的 `QUIC` 通过我们的住宅出口节点建立连接，因此你的客户端会传输原生 `UDP` 流量直接发送到现代目标。连接建立所需的往返次数更少，没有单个丢失的数据包会拖慢其余部分，而且流量看起来就像普通的 `HTTP/3` 而不是可识别的代理隧道。

这是对我们现有 `HTTP`, `HTTPS`，以及 `SOCKS5` 协议的补充。有关详细的入口节点设置和协议规则，请访问 [协议](/products/proxies/residential-proxies/protocols.md) 页面，或查看 [MASQUE 集成指南](/products/proxies/residential-proxies/protocols.md#http-3).


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