Danny
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可以上网,但是 ping 任何网站都是 Request timed out

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  •   Danny · Nov 21, 2010 · 6279 views
    This topic created in 5831 days ago, the information mentioned may be changed or developed.
    学校的网络,应该启用了一些限制

    上网很快,基本没什么封锁

    但是用 ping 命令去 ping 任何主机\网站都是类似如下结果

    Pinging google.com [209.85.132.104] with 32 bytes of data:
    Request timed out.
    Request timed out.
    Request timed out.
    Request timed out.

    Ping statistics for 209.85.132.104:
    Packets: Sent = 4, Received = 0, Lost = 4 (100% loss),

    别人的电脑也是这样,浏览器访问都没有任何问题,请问这可能是什么原因?
    5 replies  •  1970-01-01 08:00:00 +08:00
    c
    c
    Nov 21, 2010
    1
    路由器上过滤了.
    Danny
    Danny
    OP
    Nov 21, 2010
    2
    @c 过滤是出于什么考虑啊?安全性?
    chone
    chone
    Nov 21, 2010
    3
    学校网络一般都会处于安全的考虑过滤掉icmp的包
    9hills
    9hills
    Nov 21, 2010
    4
    @chone 也不是一般,,,有一些吧

    很不方便。。
    Danny
    Danny
    OP
    Nov 22, 2010
    5
    那如何知道封了哪些 IP 和端口?
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