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documentation: Update actual behaviors of auto_redirect
and strict_route
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@ -213,7 +213,7 @@ Set the default route to the Tun.
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!!! note "Also enable `auto_redirect`"
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!!! note "Also enable `auto_redirect`"
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`auto_redirect` is always recommended on Linux, it provides better routing, higher performance (better than tproxy), and avoids conflicts with Docker bridge networks.
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`auto_redirect` is always recommended on Linux, it provides better routing, higher performance (better than tproxy), and avoids conflicts between TUN and Docker bridge networks.
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#### iproute2_table_index
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#### iproute2_table_index
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@ -239,20 +239,21 @@ Linux iproute2 rule start index generated by `auto_route`.
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Only supported on Linux with `auto_route` enabled.
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Only supported on Linux with `auto_route` enabled.
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Automatically configure iptables/nftables to redirect connections.
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Improve TUN routing and performance using nftables.
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Auto redirect is always recommended on Linux, it provides better routing,
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`auto_redirect` is always recommended on Linux, it provides better routing,
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higher performance (better than tproxy),
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higher performance (better than tproxy),
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and avoids conflicts with Docker bridge networks.
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and avoids conflicts between TUN and Docker bridge networks.
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*In Android*:
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Note that `auto_redirect` also works on Android,
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but due to the lack of `nftables` and `ip6tables`,
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Only local IPv4 connections are forwarded. To share your VPN connection over hotspot or repeater,
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only simple IPv4 TCP forwarding is performed.
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To share your VPN connection over hotspot or repeater on Android,
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use [VPNHotspot](https://github.com/Mygod/VPNHotspot).
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use [VPNHotspot](https://github.com/Mygod/VPNHotspot).
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*In Linux*:
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`auto_redirect` also automatically inserts compatibility rules
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into the OpenWrt fw4 table, i.e.
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`auto_route` with `auto_redirect` works as expected on routers **without intervention**.
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it will work on routers without any extra configuration.
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Conflict with `route.default_mark` and `[dialOptions].routing_mark`.
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Conflict with `route.default_mark` and `[dialOptions].routing_mark`.
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@ -279,17 +280,15 @@ Enforce strict routing rules when `auto_route` is enabled:
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*In Linux*:
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*In Linux*:
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* Let unsupported network unreachable
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* Let unsupported network unreachable
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* Make ICMP traffic route to tun instead of upstream interfaces
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* For legacy reasons, when neither `strict_route` nor `auto_redirect` are enabled, all ICMP traffic will not go through TUN.
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* Route all connections to tun
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It prevents IP address leaks and makes DNS hijacking work on Android.
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*In Windows*:
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*In Windows*:
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* Add firewall rules to prevent DNS leak caused by
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* Let unsupported network unreachable
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* prevent DNS leak caused by
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Windows' [ordinary multihomed DNS resolution behavior](https://learn.microsoft.com/en-us/previous-versions/windows/it-pro/windows-server-2008-R2-and-2008/dd197552%28v%3Dws.10%29)
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Windows' [ordinary multihomed DNS resolution behavior](https://learn.microsoft.com/en-us/previous-versions/windows/it-pro/windows-server-2008-R2-and-2008/dd197552%28v%3Dws.10%29)
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It may prevent some applications (such as VirtualBox) from working properly in certain situations.
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It may prevent some Windows applications (such as VirtualBox) from working properly in certain situations.
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#### route_address
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#### route_address
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@ -217,7 +217,7 @@ tun 接口的 IPv6 前缀。
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!!! note "也启用 `auto_redirect`"
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!!! note "也启用 `auto_redirect`"
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在 Linux 上始终推荐使用 `auto_redirect`,它提供更好的路由, 更高的性能(优于 tproxy), 并避免与 Docker 桥接网络冲突。
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在 Linux 上始终推荐使用 `auto_redirect`,它提供更好的路由, 更高的性能(优于 tproxy), 并避免 TUN 与 Docker 桥接网络冲突。
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#### iproute2_table_index
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#### iproute2_table_index
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@ -243,17 +243,14 @@ tun 接口的 IPv6 前缀。
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仅支持 Linux,且需要 `auto_route` 已启用。
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仅支持 Linux,且需要 `auto_route` 已启用。
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自动配置 iptables/nftables 以重定向连接。
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通过使用 nftables 改善 TUN 路由和性能。
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在 Linux 上始终推荐使用 auto redirect,它提供更好的路由, 更高的性能(优于 tproxy), 并避免与 Docker 桥接网络冲突。
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在 Linux 上始终推荐使用 `auto_redirect`,它提供更好的路由、更高的性能(优于 tproxy),并避免了 TUN 和 Docker 桥接网络之间的冲突。
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*在 Android 中*:
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请注意,`auto_redirect` 也适用于 Android,但由于缺少 `nftables` 和 `ip6tables`,仅执行简单的 IPv4 TCP 转发。
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若要在 Android 上通过热点或中继器共享 VPN 连接,请使用 [VPNHotspot](https://github.com/Mygod/VPNHotspot)。
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仅转发本地 IPv4 连接。 要通过热点或中继共享您的 VPN 连接,请使用 [VPNHotspot](https://github.com/Mygod/VPNHotspot)。
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`auto_redirect` 还会自动将兼容性规则插入 OpenWrt 的 fw4 表中,即无需额外配置即可在路由器上工作。
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*在 Linux 中*:
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带有 `auto_redirect` 的 `auto_route` 在路由器上**无需干预**即可按预期工作。
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与 `route.default_mark` 和 `[dialOptions].routing_mark` 冲突。
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与 `route.default_mark` 和 `[dialOptions].routing_mark` 冲突。
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@ -261,7 +258,7 @@ tun 接口的 IPv6 前缀。
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!!! question "自 sing-box 1.10.0 起"
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!!! question "自 sing-box 1.10.0 起"
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`auto_redriect` 使用的连接输入标记。
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`auto_redirect` 使用的连接输入标记。
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默认使用 `0x2023`。
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默认使用 `0x2023`。
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@ -269,29 +266,25 @@ tun 接口的 IPv6 前缀。
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!!! question "自 sing-box 1.10.0 起"
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!!! question "自 sing-box 1.10.0 起"
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`auto_redriect` 使用的连接输出标记。
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`auto_redirect` 使用的连接输出标记。
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默认使用 `0x2024`。
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默认使用 `0x2024`。
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#### strict_route
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#### strict_route
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启用 `auto_route` 时执行严格的路由规则。
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当启用 `auto_route` 时,强制执行严格的路由规则:
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*在 Linux 中*:
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*在 Linux 中*:
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* 让不支持的网络无法到达
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* 使不支持的网络不可达。
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* 使 ICMP 流量路由到 tun 而不是上游接口
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* 出于历史遗留原因,当未启用 `strict_route` 或 `auto_redirect` 时,所有 ICMP 流量将不会通过 TUN。
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* 将所有连接路由到 tun
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它可以防止 IP 地址泄漏,并使 DNS 劫持在 Android 上工作。
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*在 Windows 中*:
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*在 Windows 中*:
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* 使不支持的网络不可达。
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* 阻止 Windows 的 [普通多宿主 DNS 解析行为](https://learn.microsoft.com/en-us/previous-versions/windows/it-pro/windows-server-2008-R2-and-2008/dd197552%28v%3Dws.10%29) 造成的 DNS 泄露
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* 添加防火墙规则以阻止 Windows
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它可能会使某些 Windows 应用程序(如 VirtualBox)在某些情况下无法正常工作。
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的 [普通多宿主 DNS 解析行为](https://learn.microsoft.com/en-us/previous-versions/windows/it-pro/windows-server-2008-R2-and-2008/dd197552%28v%3Dws.10%29)
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造成的 DNS 泄露
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它可能会使某些应用程序(如 VirtualBox)在某些情况下无法正常工作。
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#### route_address
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#### route_address
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