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Does it support FreeBSD? about natmap HOT 6 CLOSED

VaneHsiung avatar VaneHsiung commented on July 24, 2024
Does it support FreeBSD?

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Comments (6)

heiher avatar heiher commented on July 24, 2024 1

FreeBSD暂不支持-i绑定网卡。

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VaneHsiung avatar VaneHsiung commented on July 24, 2024
$ ./natmap -4 -i re0 -s turn.cloudflare.com -h qq.com -b 54320 -t 127.0.0.1 -p 8096
[E] hev_sock_client_tcp src/hev-sock.c:155
[E] tnsk_run src/hev-tnsk.c:107 Start TCP keep-alive service failed.

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MikeWang000000 avatar MikeWang000000 commented on July 24, 2024

关于 -i ,我觉得可以像 curl 的 --interface 参数一样支持绑定 IP 地址:
https://github.com/curl/curl/blob/fd567d4f06857f4fc8e2f64ea727b1318f76ad33/lib/cf-socket.c#L401-L648

虽然绑定 IP 地址和绑定网络接口不大一样,但是绝大多数情况下是可以互相替代的,也能给一些暂不支持绑定网口的 OS 一种替代选择。
这种想法如何呢。

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heiher avatar heiher commented on July 24, 2024

根据之前的经验,多网口多拨的场景才需要-i,如果是需要走非默认路由的网口,也没有根据源地址选择路由的高优先级路由规则(一般都没有),仅绑定IP地址是不行的。(我应该没有记错了吧

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MikeWang000000 avatar MikeWang000000 commented on July 24, 2024

仅绑定 IP 地址是应该是有用的。

curl 做的比较直接,对所有不能使用 SO_BINDTODEVICE 的情形,都是将网络接口解析为 IP 地址,然后绑定的是 IP 地址。
具体可以参考我上面引用的代码。

毕竟不考虑多个网口IP地址相同这种古怪的情形,指定来源IP,流量也只能从那个IP的网口出,也就相当于绑定了网口了(

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heiher avatar heiher commented on July 24, 2024

最初的实现就是绑定源地址的,群里有人报多wan口时IP会变的问题。刚也搜索了下群里的记录,是mwan3的情况绑定源地址无效,只能绑定设备才能锁定。对于一般场景绑定源地址应该是可行的,考虑加上。谢谢~

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