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课程主站 os.cs.tsinghua.edu.cn 无法访问 #4

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thatMrSheep opened this issue Feb 4, 2019 · 2 comments
Open

课程主站 os.cs.tsinghua.edu.cn 无法访问 #4

thatMrSheep opened this issue Feb 4, 2019 · 2 comments

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@thatMrSheep
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课程主站 os.cs.tsinghua.edu.cn 无法访问

老师您好，我并非清华学生，不过在学习清华的操作系统课程，
今天想登陆课程主站看一下，发现无法访问。

dig了一下发现os.cs.tsinghua.edu.cn被解析到了166.111.68.101
digtsinghua
nmap看了一下主机似乎在线，但是端口不通？
nmaptsinghua

不知道是系统挂了还是在临时维护？还是说这个主站不对外开放了。。
@huqianshan
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同问

@ColdsteelRail
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这时局域网，访问需要挂清华的VPN

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@thatMrSheep @huqianshan @ColdsteelRail