{"id":1278,"date":"2014-12-22T19:35:15","date_gmt":"2014-12-22T11:35:15","guid":{"rendered":"http:\/\/blog.newnaw.com\/?p=1278"},"modified":"2014-12-22T19:35:15","modified_gmt":"2014-12-22T11:35:15","slug":"%e4%bb%8einternet%e8%ae%bf%e9%97%ae%e6%b2%a1%e6%9c%89%e5%a4%96%e7%bd%91ip%e7%9a%84nas%e6%9c%8d%e5%8a%a1%e5%99%a8%e7%9a%84%e8%a7%a3%e5%86%b3%e5%8a%9e%e6%b3%95","status":"publish","type":"post","link":"https:\/\/blog.newnaw.com\/?p=1278","title":{"rendered":"\u4eceInternet\u8bbf\u95ee\u6ca1\u6709\u5916\u7f51ip\u7684NAS\u670d\u52a1\u5668\u7684\u89e3\u51b3\u529e\u6cd5"},"content":{"rendered":"<p>\u3000\u3000\u6700\u8fd1\u5bb6\u91cc\u4e70\u4e86\u4e00\u53f0NAS\u670d\u52a1\u5668\uff0c\u7528\u6765\u5b8c\u6210\u591a\u9879\u4efb\u52a1\uff0c\u6bd4\u5982\u5b58\u50a8\u548c\u7ba1\u7406\u5927\u91cf\u7684\u7167\u7247\uff0c\u7528\u505a24\u5c0f\u65f6\u79bb\u7ebf\u4e0b\u8f7d\u673a\u5668\u7b49\u3002\u4f46\u5176\u4e2dNAS\u6bd4\u8f83\u5438\u5f15\u6211\u7684\u4e00\u4e2a\u529f\u80fd\u662f\uff0c\u80fd\u591f\u968f\u65f6\u968f\u5730\u4ece\u5916\u7f51\u8bbf\u95ee\u5bb6\u91ccNAS\u673a\u5668\u4e0a\u7684\u6570\u636e\uff0c\u5e76\u4e14\u80fd\u591f\u5728\u5916\u5730\u6e38\u73a9\u7684\u65f6\u5019\uff0c\u628a\u7167\u7247\u901a\u8fc7\u4e92\u8054\u7f51\u968f\u65f6\u4f20\u5230\u5bb6\u91cc\u7684NAS\u673a\u5668\u4e0a\u5907\u4efd\u5e76\u817e\u51fa\u8bbe\u5907\u7a7a\u95f4\u7ee7\u7eed\u62cd\u7167\u3002<br \/>\n\u3000\u3000\u8fd9\u6837\u505a\u7684\u524d\u63d0\u662f\u4f60\u7684\u8def\u7531\u5668\u5f97\u6709\u4e00\u4e2a\u5916\u7f51ip\u3002\u6709\u4e86\u5916\u7f51ip\u540e\uff0c\u53ef\u901a\u8fc7\u8bbe\u7f6e\u8def\u7531\u5668\u7684\u7aef\u53e3\u8f6c\u53d1\uff0c\u518d\u8bbe\u7f6e\u4e00\u4e2aDDNS\u57df\u540d\u5c31\u53ef\u968f\u65f6\u8bbf\u95ee\u5bb6\u91cc\u7684NAS\u4e86\u3002\u4f46\u6070\u597d\u81ea\u5df1\u4f7f\u7528\u7684\u7f51\u7edc\u662f\u9e4f\u535a\u58eb\u96c6\u56e2\u4e0b\u7684\u4e00\u5bb6\u516c\u53f8\uff08\u5bbd\u5e26\u901a\uff0c\u957f\u57ce\u5bbd\u5e26\u90fd\u662f\uff09\uff0c<a href=\"http:\/\/www.zhihu.com\/question\/20888406\" target=\"_blank\">\u6070\u597d\u4ed6\u4eec\u4ee5\u8f6c\u5356\u4e8c\u624b\u5e26\u5bbd\uff0c\u4e0d\u7ed9\u62e8\u53f7\u7528\u6237\u5916\u7f51ip\u800c\u8457\u79f0<\/a>\u3002\u4ed6\u4eec\u7ed9\u4f60\u7684\u62e8\u53f7ip\u5b9e\u9645\u662f\u7ecf\u8fc7\u591a\u5c42NAT\u8f6c\u53d1\u7684\u4e00\u4e2a\u5927\u5c40\u57df\u7f51ip\u3002\u4e3a\u4e86\u5b9e\u73b0\u76ee\u7684\uff0c\u5fc5\u987b\u89e3\u51b3\u6240\u8c13\u7684NAT\u7a7f\u900f\/NAT\u6253\u6d1e\/\u5185\u7f51\u7a7f\u900f\u95ee\u9898\u3002<br \/>\n\u3000\u3000\u4e00\u5f00\u59cb\u641c\u5230\u4e86\u82b1\u751f\u58f3\uff0c\u6700\u8fd1\u521a\u597d\u9664\u4e86\u5185\u7f51\u7248\uff0c\u53f7\u79f0\u53ef\u4ee5\u5b9e\u73b0\u6ca1\u6709\u516c\u7f51ip\u7684\u60c5\u51b5\u4e0b\u8bbf\u95ee\u4f60\u7684\u5185\u7f51\u8bbe\u5907\u3002\u6d4b\u8bd5\u4e86\u4e00\u4e0b\u679c\u7136\u53ef\u4ee5\uff0c\u4f46\u9700\u8981\u4ea4\u5e74\u8d39\uff0c\u5e76\u4e14\u9650\u5236\u6d41\u91cf\uff0c\u8981\u60f3\u7528\u66f4\u591a\u7684\u6d41\u91cf\u5c31\u5f97\u4ea4\u66f4\u591a\u7684\u94b1\uff0c\u5f03\u7528\u4e4b\u3002<br \/>\n\u3000\u3000\u6700\u540e\u627e\u5230\u4e86ssh\u7684\u53cd\u5411\u7aef\u53e3\u8f6c\u53d1\uff08reverse port forwarding\uff09\u529f\u80fd\uff0c\u8fd9\u662f\u5e38\u88ab\u5ffd\u7565\u4f46\u662f\u975e\u5e38\u5f3a\u5927\u7684\u4e00\u4e2a\u7528\u9014\u3002\u539f\u7406\u662f\u5728\u672c\u5730\u673a\u5668\u7684\u7aef\u53e3\u548c\u8fdc\u7a0b\u673a\u5668\u7684\u7aef\u53e3\u5efa\u7acb\u6620\u5c04\u5173\u7cfb\uff0c\u8fd9\u6837\u8bbf\u95ee\u8fdc\u7a0b\u673a\u5668\u6307\u5b9a\u7aef\u53e3\u65f6\uff0c\u6240\u6709\u8bf7\u6c42\u90fd\u4f1a\u88ab\u52a0\u5bc6\u5e76\u4f20\u8f93\u5230\u672c\u5730\u673a\u5668\u7684\u7aef\u53e3\u4e0a\uff0c\u672c\u5730\u673a\u5668\u54cd\u5e94\u540e\u5c06\u7ed3\u679c\u5728\u8f6c\u53d1\u56de\u8fdc\u7a0b\u673a\u5668\u7684\u7aef\u53e3\uff0c\u6574\u4e2a\u8fc7\u7a0b\u770b\u8d77\u6765\u5c31\u50cf\u8fdc\u7a0b\u673a\u5668\u505a\u51fa\u54cd\u5e94\u4e00\u6837\uff0c\u5f3a\u5927\u4e4b\u5904\u662f\u8fdc\u7a0b\u673a\u5668\u53ef\u4ee5\u76f4\u63a5\u7ed5\u8fc7\u9632\u706b\u5899\u548c\u5404\u79cdNAT\u8f6c\u53d1\uff0c\u51c6\u786e\u627e\u5230\u4f60\u7684\u5185\u7f51\u673a\u5668\u3002<br \/>\n\u3000\u3000\u5177\u4f53\u505a\u6cd5\u5f88\u7b80\u5355\uff0c\u53ea\u9700\u8981\u4e00\u4e2a\u547d\u4ee4\uff1a<br \/>\n\u3000\u3000ssh -NfR &lt;remote port&gt;:localhost:&lt;local port&gt; remoteuser@remoteserver<br \/>\n\u3000\u3000\u5176\u4e2dremote port\u662f\u8981\u63a5\u53d7\u8bf7\u6c42\u7684\u8fdc\u7a0b\u673a\u5668\u7aef\u53e3\uff0clocal port\u662f\u8981\u505a\u51fa\u54cd\u5e94\u7684\u672c\u5730\u673a\u5668\u7684\u7aef\u53e3\uff0c remoteserver\u662f\u8fdc\u7a0b\u673a\u5668\u7684\u5730\u5740\uff0cremoteuser\u662f\u8d1f\u8d23\u8f6c\u53d1\u7684\u5177\u4f53\u7528\u6237\u3002\u6bd4\u5982\u5bb6\u91cc\u7684NAS\u7aef\u53e3\u662f8080\uff0c\u4f60\u7684vps\u5916\u7f51\u5730\u57401.2.3.4\uff0c\u90a3\u4e48\u53ef\u4ee5\u901a\u8fc7\u5728\u4f60\u7684NAS\u4e0a\u6267\u884cssh \u2013NfR 8888:localhost:8080 <a href=\"mailto:user1@1.2.3.4\">user1@1.2.3.4<\/a>\u547d\u4ee4\u540e\uff0c\u8bbf\u95eevps\u76848888\u7aef\u53e3\u6765\u8bbf\u95ee\u5bb6\u91cc\u7684NAS\u673a\u5668\u4e86\u3002<br \/>\n\u3000\u3000\u51e0\u4e2a\u9700\u8981\u6ce8\u610f\u7684\u95ee\u9898\uff1a1. \u9700\u8981\u8bbe\u7f6e\u8fdc\u7a0b\u673a\u5668ssh\u914d\u7f6e\u6587\u4ef6\u4e2d\u7684GatewayPorts\u53c2\u6570\u6765\u8fbe\u5230\u5141\u8bb8\u4efb\u610f\u5730\u5740\u673a\u5668\u6765\u4f7f\u7528\u8fd9\u4e2a\u8f6c\u53d1\u89c4\u5219\u7684\u76ee\u7684\uff0c\u00a0 \u5426\u5219\u4e0a\u8ff0\u547d\u4ee4\u53ea\u5141\u8bb8\u5728\u8fdc\u7a0b\u673a\u5668\u672c\u673a\u4e0a\u7684\u8bf7\u6c42\u901a\u8fc7\uff0c<a href=\"https:\/\/www.digitalocean.com\/community\/tutorials\/how-to-set-up-ssh-tunneling-on-a-vps\" target=\"_blank\">centos\u4e0a\u64cd\u4f5c\u89c1\u6b64<\/a>\uff1b2. \u8be5\u547d\u4ee4\u6267\u884c\u540e\uff0c\u5982\u679c\u4e00\u6bb5\u65f6\u95f4\u5185\u6ca1\u6709\u8bf7\u6c42\u88ab\u8f6c\u53d1\uff0c\u5219ssh\u53cd\u5411\u8fde\u63a5\u4f1a\u81ea\u52a8\u65ad\u5f00\uff0c\u8fd9\u65f6\u5019\u5c31\u9700\u8981autossh\u4e4b\u7c7b\u7684\u5de5\u5177\u6765\u7ef4\u6301\u8fd9\u4e2a\u8fde\u63a5\uff08\u5b9e\u65f6\u76d1\u6d4b\uff0c\u65ad\u5f00\u540e\u81ea\u52a8\u91cd\u8fde\uff09\uff0c\u5177\u4f53\u4f7f\u7528\u65b9\u6cd5\u53ef\u4ee5\u641c\u5230\u5f88\u591a\u4f8b\u5b50\uff1b3. ssh\u901a\u8fc7autossh\u81ea\u52a8\u91cd\u8fde\u65f6\u4e0d\u53ef\u80fd\u6bcf\u6b21\u90fd\u624b\u52a8\u8f93\u5165\u7528\u6237\u5bc6\u7801\uff0c\u6240\u4ee5\u9700\u8981\u6539\u7528key authentication\u7684\u65b9\u5f0f\u8fde\u63a5\uff08\u5c06\u672c\u5730\u673a\u5668\u7684\u7528\u6237\u516c\u94a5\u6dfb\u52a0\u5230\u8fdc\u7a0b\u673a\u5668\u7528\u6237\u7684~\/.ssh\/authorized_keys\u6587\u4ef6\u4e2d\uff09\u3002<br \/>\n\u3000\u3000\u867d\u7136\u9e4f\u535a\u58eb\u7684\u5b9e\u9645\u51fa\u53e3\u7f51\u901f\u5f88\u6162\uff0c\u4f46\u5728\u5927\u5c40\u57df\u7f51\u4e0b\u8fc5\u96f7\u4e0b\u8f7d\u80fd\u6ee110M\/s\uff0c\u53ef\u5728\u7ebf\u770b1080p\u89c6\u9891\uff0c\u6027\u4ef7\u6bd4\u8fd8\u662f\u633a\u9ad8\u7684\uff0c\u660e\u5e74\u4e0d\u7528\u6362\u9ad8\u4ef7\u7684\u5bbd\u5e26\u4e86\u3002\u3002\u3002<br \/>\n\u3000\u3000PS: \u6b64\u65b9\u6cd5\u53ef\u7528\u4e8e\u5176\u4ed6\u573a\u666f\uff0c\u6bd4\u5982\u56de\u5bb6\u540e\u8fdc\u7a0b\u8bbf\u95ee\u516c\u53f8\u673a\u5668\u4e0a\u7684\u8d44\u6599\uff0c\u7ed9\u5916\u7f51\u5ba2\u6237\u6f14\u793a\u516c\u53f8\u5185\u7f51\u673a\u5668\u4e0a\u7684demo\u7b49\u3002<\/p>\n<p>\u3000\u3000\u53c2\u8003\u8d44\u6599\uff1a<\/p>\n<ul>\n<li><a href=\"http:\/\/toic.org\/blog\/2009\/reverse-ssh-port-forwarding\/\">Bypassing corporate firewall with reverse ssh port forwarding<\/a><\/li>\n<li><a href=\"https:\/\/www.ibm.com\/developerworks\/cn\/linux\/l-cn-sshforward\/\" target=\"_blank\">\u5b9e\u6218 SSH \u7aef\u53e3\u8f6c\u53d1<\/a><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\u3000\u3000\u6700\u8fd1\u5bb6\u91cc\u4e70\u4e86\u4e00\u53f0NAS\u670d\u52a1\u5668\uff0c\u7528\u6765\u5b8c\u6210\u591a\u9879\u4efb\u52a1\uff0c\u6bd4\u5982\u5b58\u50a8\u548c\u7ba1\u7406\u5927\u91cf\u7684\u7167\u7247\uff0c\u7528\u505a24\u5c0f\u65f6\u79bb\u7ebf\u4e0b\u8f7d\u673a\u5668\u7b49\u3002\u4f46\u5176\u4e2dNAS\u6bd4\u8f83\u5438\u5f15\u6211\u7684\u4e00\u4e2a\u529f\u80fd\u662f\uff0c\u80fd\u591f\u968f\u65f6\u968f\u5730\u4ece\u5916\u7f51\u8bbf\u95ee\u5bb6\u91ccNAS\u673a\u5668\u4e0a\u7684\u6570\u636e\uff0c\u5e76\u4e14\u80fd\u591f\u5728\u5916\u5730\u6e38\u73a9\u7684\u65f6\u5019\uff0c\u628a\u7167\u7247\u901a\u8fc7\u4e92\u8054\u7f51\u968f\u65f6\u4f20\u5230\u5bb6\u91cc\u7684NAS\u673a\u5668\u4e0a\u5907\u4efd\u5e76\u817e\u51fa\u8bbe\u5907\u7a7a\u95f4\u7ee7\u7eed\u62cd\u7167\u3002 \u3000\u3000\u8fd9\u6837\u505a\u7684\u524d\u63d0\u662f\u4f60\u7684\u8def\u7531\u5668\u5f97\u6709\u4e00\u4e2a\u5916\u7f51ip\u3002\u6709\u4e86\u5916\u7f51ip\u540e\uff0c\u53ef\u901a\u8fc7\u8bbe\u7f6e\u8def\u7531\u5668\u7684\u7aef\u53e3\u8f6c\u53d1\uff0c\u518d\u8bbe\u7f6e\u4e00\u4e2aDDNS\u57df\u540d\u5c31\u53ef\u968f\u65f6\u8bbf\u95ee\u5bb6\u91cc\u7684NAS\u4e86\u3002\u4f46\u6070\u597d\u81ea\u5df1\u4f7f\u7528\u7684\u7f51\u7edc\u662f\u9e4f\u535a\u58eb\u96c6\u56e2\u4e0b\u7684\u4e00\u5bb6\u516c\u53f8\uff08\u5bbd\u5e26\u901a\uff0c\u957f\u57ce\u5bbd\u5e26\u90fd\u662f\uff09\uff0c\u6070\u597d\u4ed6\u4eec\u4ee5\u8f6c\u5356\u4e8c\u624b\u5e26\u5bbd\uff0c\u4e0d\u7ed9\u62e8\u53f7\u7528\u6237\u5916\u7f51ip\u800c\u8457\u79f0\u3002\u4ed6\u4eec\u7ed9\u4f60\u7684\u62e8\u53f7ip\u5b9e\u9645\u662f\u7ecf\u8fc7\u591a\u5c42NAT\u8f6c\u53d1\u7684\u4e00\u4e2a\u5927\u5c40\u57df\u7f51ip\u3002\u4e3a\u4e86\u5b9e\u73b0\u76ee\u7684\uff0c\u5fc5\u987b\u89e3\u51b3\u6240\u8c13\u7684NAT\u7a7f\u900f\/NAT\u6253\u6d1e\/\u5185\u7f51\u7a7f\u900f\u95ee\u9898\u3002 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