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请问一个无法连接网站的有关问题

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Release： 2016-06-13 12:10:48
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请教一个无法连接网站的问题
2个ip，一个可以访问，一个不能，不能访问的提示超时，ping不通
使用了代理ip访问也是超时，请问下，对方的服务器是做了什么限制呢
------解决思路----------------------
防火墙的作用
------解决思路----------------------
ping 能顯示IP,但ping不通，是防火牆屏蔽了。

Related labels：
ip nbsp ping
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