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超安全的代理服务器的非预期解 #10

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CzBiX opened this issue Nov 7, 2020 · 3 comments
Open

超安全的代理服务器的非预期解 #10

CzBiX opened this issue Nov 7, 2020 · 3 comments
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@CzBiX
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CzBiX commented Nov 7, 2020 •
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由于域名检查的逻辑十分简单，因此我创建了一条 ustc.edu.cn.example.com 指向 127.0.0.1 的 DNS 记录，以此绕过ACL。
瞎折腾了……
@GalvinGao
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草 我也是这么弄的

@Jemmy1228
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我也是这样弄的……
题目中说 只有匹配ustc.edu.cn的请求才会被被代理，所以就以为只有域名含有ustc.edu.cn才能成功代理
我最开始设置的dns指向了146.56.228.227，并不能获取flag，改成127.0.0.1才行

@qwerty472123
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我也是

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@CzBiX @qwerty472123 @zzh1996 @GalvinGao @Jemmy1228