能否借助 Xray 的 UDP fullnoce 特性,在路由器上面实现一个用户空间的 NAT1 模块? #4037
lxf1992521
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之前是在路由器上面测试端口的可达性,后来在互联网侧找了个机器测试了下 UDP 打洞的端口,发现是可以正常访问的,NAT1 没有问题。 可能不支持路由器本身访问,这是一个注意事项。 |
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如题,根据 #237 中讨论的内容,有如下一段:
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完美支持 FullCone 的有:
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那对于一个 Linux 路由器来说,是否可以使用 入站(Dokodemo-door)+出站(Freedom),实现一个用户空间的 UDP FullCone 呢?
我自己测试了下发现不行,从外部访问 Freedom 出站的 UDP 端口时,xray 会报错“proxy/dokodemo: fake: socket bind: address already in use”。
xray 的配置如下:
{ "log": { "loglevel": "info" }, "policy": { "levels": { "0": { "handshake": 1, "connIdle": 300, "uplinkOnly": 0, "downlinkOnly": 0, "bufferSize": 0 } } }, "routing": { "rules": [ { "inboundTag": [ "fullcone-in" ], "balancerTag": "fullcone" } ], "balancers": [ { "tag": "fullcone", "selector": [ "fullcone-out" ] } ] }, "inbounds": [ { "tag": "fullcone-in", "listen": "127.0.0.1", "port": 666, "protocol": "dokodemo-door", "settings": { "network": "udp", "followRedirect": true }, "streamSettings": { "sockopt": { "tproxy": "tproxy" } } } ], "outbounds": [ { "tag": "fullcone-out1", "protocol": "freedom", "sendThrough": "10.0.1.3" } ] }
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