05.03.2011----服务器 内网通 外网不通;SSH: Can't connect to port 22

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http://www.google.com.hk/search?hl=en&source=hp&q=%E6%9C%8D%E5%8A%A1%E5%99%A8+%E5%86%85%E7%BD%91%E9%80%9A+%E5%A4%96%E7%BD%91%E4%B8%8D%E9%80%9A&aq=f&oq=&aqi=

http://www.baidu.com/baidu?wd=port+22:+No+route+to+host&tn=cnopera&ie=utf-8

http://cache.baidu.com/c?m=9f65cb4a8c8507ed4fece7631043973b5e16c1743ca085482281cd1f84642c101a39fee83a734a448e9a27205eb8492bb7b0636f62437df0d9d5d9109de6cd7368d730340641c75612a54ff88f5b75817dd51bbeb81e93fcaa72c4fd84ce990e139d00536782a4800c01159a6ba44530e9f5c91b1e4247baee3566fd537d7e952146b74dfae4256f73dfaa844b4db56a833c5783ea68f0681df74ee4590c2435a04ca6092131319358278e186013929a1dba6d3f1734b639f5e4d6b69a12d19dac&p=9057d41b86cc46af13be9b794d4f&user=baidu&fm=sc&query=port+22%3A+No+route+to+host&qid=a2b2b7300cc12c26&p1=3

[2]

http://cache.baidu.com/c?m=9f65cb4a8c8507ed4fece7631046893b4c438014679d92522fc3933fcf331d5c033db4fe6178505380936b6777af4e5aeff6347523467df7cdc7ca179dfd85285e882723716c914061c419de971b32c151d007aee94ef0ba8174ceb9d2a28509128c&p=8b2a931386cc42ac05a2dd2c4c7a&user=baidu&fm=sc&query=port+22%3A+No+route+to+host&qid=a2b2b7300cc12c26&p1=4

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