这是一个创建于 3874 天前的主题，其中的信息可能已经有所发展或是发生改变。
刚刚打开segmentfault，发现打不开，用curl发现是“connection reset by peer”，被墙的感觉。。。
curl -v http://segmentfault.com/
* Hostname was NOT found in DNS cache
* Trying 112.126.83.219...
* Connected to segmentfault.com (112.126.83.219) port 80 (#0)
> GET / HTTP/1.1
> User-Agent: curl/7.37.1
> Host: segmentfault.com
> Accept: */*
>
* Recv failure: Connection reset by peer
* Closing connection 0
curl: (56) Recv failure: Connection reset by peer
ps: ping是通的：
ping segmentfault.com
PING segmentfault.com (112.126.83.219) 56(84) bytes of data.
64 bytes from 112.126.83.219: icmp_seq=1 ttl=52 time=27.7 ms
curl -v http://segmentfault.com/
* Hostname was NOT found in DNS cache
* Trying 112.126.83.219...
* Connected to segmentfault.com (112.126.83.219) port 80 (#0)
> GET / HTTP/1.1
> User-Agent: curl/7.37.1
> Host: segmentfault.com
> Accept: */*
>
* Recv failure: Connection reset by peer
* Closing connection 0
curl: (56) Recv failure: Connection reset by peer
ps: ping是通的：
ping segmentfault.com
PING segmentfault.com (112.126.83.219) 56(84) bytes of data.
64 bytes from 112.126.83.219: icmp_seq=1 ttl=52 time=27.7 ms
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