CDN介绍

{"value":"### \u4ec0\u4e48\u662fCDN\uff1f\n\nCDN\u5185\u5bb9\u5206\u53d1\u7f51\u7edc\uff08Content Delivery Network\uff09\u662f\u5efa\u7acb\u5e76\u8986\u76d6\u5728\u627f\u8f7d\u7f51\u4e4b\u4e0a\uff0c\u7531\u904d\u5e03\u5168\u7403\u7684\u8fb9\u7f18\u8282\u70b9\u670d\u52a1\u5668\u7fa4\u7ec4\u6210\u7684\u5206\u5e03\u5f0f\u7f51\u7edc\u3002CDNCloud\u7684CDN\u80fd\u901a\u8fc7\u4e2d\u5fc3\u5e73\u53f0\u7684\u8d1f\u8f7d\u5747\u8861\u3001\u5185\u5bb9\u5206\u53d1\u3001\u8c03\u5ea6\u7b49\u529f\u80fd\u6a21\u5757\uff0c\u4f7f\u7528\u6237\u5c31\u8fd1\u83b7\u53d6\u6240\u9700\u5185\u5bb9\uff0c\u964d\u4f4e\u7f51\u7edc\u62e5\u585e\uff0c\u63d0\u9ad8\u7528\u6237\u8bbf\u95ee\u54cd\u5e94\u901f\u5ea6\u548c\u547d\u4e2d\u7387\u3002\n\nCDN\u63a5\u5165\u5feb\u6377\u3001\u7b80\u5355\uff0c\u60a8\u4e0d\u9700\u8981\u8c03\u6574\u73b0\u6709\u4e1a\u52a1\u7ed3\u6784\uff0c\u4e5f\u4e0d\u9700\u8981\u8fdb\u884c\u590d\u6742\u7684\u914d\u7f6e\uff0c\u53ea\u9700\u8981\u5728CDN\u63a7\u5236\u53f0\u8fdb\u884c\u7b80\u5355\u64cd\u4f5c\uff0c\u5373\u53ef\u5c06\u57df\u540d\u63a5\u5165CDNCloud\uff0c\u4eab\u53d7CDN\u52a0\u901f\u670d\u52a1\u3002\n\n### CDN\u53ef\u4ee5\u505a\u4e00\u4e9b\u4ec0\u4e48\uff1f\n\n*\u4ee5\u4e0b\u5e94\u7528\u573a\u666f\u4ec5\u4f9b\u53c2\u8003\uff0c\u60a8\u53ef\u4ee5\u5728\u4f7f\u7528\u8fc7\u7a0b\u4e2d\u53d1\u73b0\u5b83\u7684\u66f4\u591a\u4f5c\u7528\u3002 \n\n- \u3010\u7f51\u7ad9\u52a0\u901f\u3011 \u5bf9\u6709\u52a0\u901f\u9700\u6c42\u7684\u7f51\u7ad9\uff0c\u63d0\u4f9b\u5f3a\u5927\u7684\u9759\u6001\u5185\u5bb9\uff08\u5982\u5404\u7c7b\u578b\u7f51\u9875\u6837\u5f0f\u3001\u56fe\u7247\u3001\u89c6\u9891\u3001\u538b\u7f29\u5305\u6587\u4ef6\u7b49\uff09\u52a0\u901f\u5206\u53d1\u5904\u7406\u80fd\u529b\n- \u3010\u4e0b\u8f7d\u52a0\u901f\u3011 \u5404\u7c7b\u6587\u4ef6\u7684\u4e0b\u8f7d\u52a0\u901f\u3001\u5982\u6e38\u620f\u5b89\u88c5\u5305\u83b7\u53d6\u3001\u624b\u673aROM\u5347\u7ea7\u3001\u5e94\u7528\u7a0b\u5e8f\u5305\u4e0b\u8f7d\u7b49\u4e1a\u52a1\u573a\u666f\n- \u3010\u97f3\u89c6\u9891\u70b9\u64ad\u52a0\u901f\u3011\u5bf9\u4e8e\u5728\u7ebf\u97f3\u89c6\u9891\u64ad\u653e\u4e1a\u52a1\u573a\u666f\uff0c\uff08\u4f8b\u5982\u5f71\u89c6\u7c7b\u89c6\u9891\u7f51\u7ad9\u3001\u5728\u7ebf\u6559\u80b2\u7c7b\u89c6\u9891\u7f51\u7ad9\u3001\u65b0\u95fb\u7c7b\u89c6\u9891\u7f51\u7ad9\u3001\u77ed\u89c6\u9891\u793e\u4ea4\u7c7b\u7f51\u7ad9\u7b49\uff09\uff0c\u9ad8\u6548\u4fdd\u8bc1\u670d\u52a1\u7684\u53ef\u7528\u6027\u548c\u5a92\u4f53\u4f20\u8f93\u901f\u5ea6\uff0c\u63d0\u4f9b\u7a33\u5b9a\u3001\u6d41\u7545\u3001\u4e30\u5bcc\u7684\u89c2\u770b\u4f53\u9a8c\u3002\n\n### \u4e3a\u4ec0\u4e48\u9009\u62e9CDNCloud\uff1f\n\n- CDN\u4ea7\u54c1\u901a\u8fc7\u5e7f\u6cdb\u7684\u5730\u57df\u8986\u76d6\u548c\u6df1\u539a\u7684\u5e26\u5bbd\u50a8\u5907\uff0c\u5728\u5168\u7403\u8303\u56f4\u4e3a\u7528\u6237\u63d0\u4f9b\u5b89\u5168\u3001\u7a33\u5b9a\u3001\u53ef\u9760\u7684\u5185\u5bb9\u5206\u53d1\u670d\u52a1\uff0c\u62e5\u6709\u5168\u4e1a\u52a1\u52a0\u901f\u7684\u6280\u672f\u80fd\u529b\uff0c\u5305\u62ec\u7f51\u7ad9\u52a0\u901f\u3001\u4e0b\u8f7d\u52a0\u901f\u3001\u70b9\u64ad\u52a0\u901f\u3001\u5168\u7ad9\u52a0\u901f\uff1b\n\n- \u7cbe\u51c6\u7684\u8c03\u5ea6\u80fd\u529b\uff0cCDN\u8c03\u5ea6\u7cfb\u7edf\u901a\u8fc7\u94fe\u8def\u72b6\u6001\u7cfb\u7edf\u53bb\u5b9e\u65f6\u5730\u5206\u6790\u6574\u4e2a\u7f13\u5b58\u7cfb\u7edf\u4e2d\u7684\u6240\u6709\u8282\u70b9\u548c\u94fe\u8def\u7684\u5065\u5eb7\u72b6\u51b5\uff0c\u4e3a\u7528\u6237\u9009\u62e9\u6700\u4f18\u7684\u63a5\u5165\u8282\u70b9\uff0c\u907f\u514d\u56e0\u4e3a\u63a5\u5165\u8282\u70b9\u8d28\u91cf\u4e0d\u4f73\u800c\u5f71\u54cd\u5230\u7528\u6237\u8bbf\u95ee\u4f53\u9a8c\uff1b\n\n- \u652f\u6301HTTPS\u5b89\u5168\u4f20\u8f93\uff0c\u7528\u6237\u53ef\u4ee5\u9009\u62e9\u901a\u7528\u7684Referer\u3001URL\u3001IP\u7b49\u901a\u7528\u9274\u6743\u65b9\u5f0f\uff0c\u4ee5\u9632\u6b62\u6e90\u7ad9\u8d44\u6e90\u88ab\u76d7\u7528\uff1b\n\n- CDNCloud\u5185\u5bb9\u5206\u53d1\u7f51\u7edc\u63d0\u4f9b\u4e86\u4e30\u5bcc\u4fbf\u6377\u7684\u64cd\u4f5c\u63a7\u5236\u53f0\uff0c\u60a8\u53ef\u4ee5\u6309\u9700\u8fdb\u884c\u5404\u9879\u914d\u7f6e\u53d8\u66f4\u3001\u6570\u636e\u67e5\u770b\u7b49\u3002\n\n### \u77e5\u8bc6\u8865\u5145\n\n\u5728\u4f7f\u7528\u524d\uff0c\u5efa\u8bae\u60a8\u5148\u6d4f\u89c8\u4ee5\u4e0b\u5e38\u7528\u8bcd\u6c47\u7684\u89e3\u91ca\uff0c\u4f7f\u7528\u65f6\u5c06\u66f4\u65b9\u4fbf\u3002\n\n| \u540d\u8bcd | \u89e3\u91ca |\n| ---------------- | :----------------------------------------------------------- |\n| CNAME | CNAME \u88ab\u79f0\u4e3a\u89c4\u8303\u540d\u5b57,CNAME\u8bb0\u5f55\uff0c\u5373\uff1a\u522b\u540d\u8bb0\u5f55\u3002\u8fd9\u79cd\u8bb0\u5f55\u5141\u8bb8\u60a8\u5c06\u591a\u4e2a\u540d\u5b57\u6620\u5c04\u5230\u540c\u4e00\u53f0\u8ba1\u7b97\u673a\u3002 \u901a\u5e38\u7528\u4e8e\u540c\u65f6\u63d0\u4f9bWWW\u548cMAIL\u670d\u52a1\u7684\u8ba1\u7b97\u673a\u3002\u4f8b\u5982\uff0c\u6709\u4e00\u53f0\u8ba1\u7b97\u673a\u540d\u4e3a\u201cr0WSPFSx58.\u201d\uff08A\u8bb0\u5f55\uff09\u3002 \u5b83\u540c\u65f6\u63d0\u4f9bWWW\u548cMAIL\u670d\u52a1\uff0c\u4e3a\u4e86\u4fbf\u4e8e\u7528\u6237\u8bbf\u95ee\u670d\u52a1\u3002\u53ef\u4ee5\u4e3a\u8be5\u8ba1\u7b97\u673a\u8bbe\u7f6e\u4e24\u4e2a\u522b\u540d\uff08CNAME\uff09\uff1aWWW\u548cMAIL\u3002 |\n| \u6e90\u7ad9 | \u6e90\u7ad9\u5c31\u662f\u201c\u6e90\u5934\u7684\u7ad9\u70b9\u201d\uff0c\u4e0a\u7ea7\u670d\u52a1\u5668\uff0c\u4e5f\u662f\u7528\u6237\u7684\u6e90\u7ad9\u4e3b\u673a\u5730\u5740\u3002\u6e90\u7ad9\u5730\u5740\u6709\u4e24\u79cd\u7c7b\u578b\uff1a\u57df\u540d\uff08\u4e00\u4e2a\uff09\u548cIP\u5730\u5740\uff08\u53ef\u591a\u4e2a\uff09\uff0c\u5e76\u4e14\u90fd\u652f\u6301\u7aef\u53e3\u3002\u4e5f\u5c31\u662fCDN\u4e0a\u9762\u7684\u8d44\u6e90\uff0c\u6700\u521d\u6765\u81ea\u54ea\u91cc\u3002 |\n| HTTPS | HTTPS\uff0c\u662f\u6307\u8d85\u6587\u672c\u4f20\u8f93\u5b89\u5168\u534f\u8bae\uff08Hypertext Transfer Protocol Secure\uff09\uff0c\u662f\u4e00\u79cd\u5728 HTTP \u534f\u8bae\u57fa\u7840\u4e0a\u8fdb\u884c\u4f20\u8f93\u52a0\u5bc6\u7684\u5b89\u5168\u534f\u8bae\uff0c\u80fd\u591f\u6709\u6548\u4fdd\u969c\u6570\u636e\u4f20\u8f93\u5b89\u5168\u3002\u914d\u7f6e HTTPS \u65f6\uff0c\u9700\u8981\u60a8\u63d0\u4f9b\u57df\u540d\u5bf9\u5e94\u7684\u8bc1\u4e66\uff0c\u5c06\u5176\u90e8\u7f72\u5728\u5168\u7f51 CDN \u8282\u70b9\uff0c\u5b9e\u73b0\u5168\u7f51\u6570\u636e\u52a0\u5bc6\u4f20\u8f93\u529f\u80fd\u3002 |\n| \u56de\u6e90HOST | \u5373CDN\u8282\u70b9\u56de\u6e90\u65f6\u5b9e\u9645\u8bf7\u6c42\u7684\u57df\u540d\u3002\u5f53\u6e90\u7ad9\u670d\u52a1\u5668\u4e0a\u63d0\u4f9b\u591a\u4e2a\u57df\u540d\u670d\u52a1\u65f6\uff0c\u60a8\u53ef\u6839\u636e\u4e1a\u52a1\u9700\u6c42\u6307\u5b9aCDN\u8282\u70b9\u56de\u6e90\u65f6\u5728\u8bbf\u95ee\u7684\u5177\u4f53\u57df\u540d\u3002(\u5982\u60a8\u671f\u671bCDN\u56de\u6e90\u65f6\u5b9e\u9645\u8bf7\u6c42\u7684\u5730\u5740\u4e3a`cdncloud.com`\uff0c\u4e0e\u52a0\u901f\u57df\u540d`www.cdncloud.com`\u4e0d\u540c\uff0c\u90a3\u4e48\u60a8\u9700\u8981\u914d\u7f6e\u56de\u6e90HOST\u4e3a`cdncloud.com`\u3002 |\n| \u56de\u6e90\u534f\u8bae | \u6307CDN\u8282\u70b9\u56de\u6e90\u65f6\u4f7f\u7528\u7684\u534f\u8bae\uff0c\u6709\u53ef\u80fd\u4e0e\u5ba2\u6237\u7aef\u8bbf\u95ee\u8d44\u6e90\u65f6\u4f7f\u7528\u7684\u534f\u8bae\u76f8\u540c\uff0c\u4e5f\u6709\u53ef\u80fd\u4e0d\u76f8\u540c\u3002\u4f8b\u5982\uff0c\u5f53\u5ba2\u6237\u7aef\u4f7f\u7528HTTPS\u65b9\u5f0f\u8bf7\u6c42\u672a\u7f13\u5b58\u5728CDN\u8282\u70b9\u4e0a\u7684\u8d44\u6e90\u65f6\uff0c\u53ef\u4ee5\u914d\u7f6eCDN\u8282\u70b9\u4f7f\u7528HTTPS\u534f\u8bae\u56de\u6e90\u7ad9\u83b7\u53d6\u8d44\u6e90\uff0c\u4e5f\u53ef\u4ee5\u914d\u7f6e\u4f7f\u7528HTTP\u534f\u8bae\u56de\u6e90\uff08\u6e90\u7ad9\u4e0d\u652f\u6301HTTPS\u534f\u8bae\u7684\u60c5\u51b5\u4e0b\uff09\u3002 |\n| Referer\u9632\u76d7\u94fe | \u662f\u57fa\u4e8eHTTP\u8bf7\u6c42\u5934\u4e2dReferer\u5b57\u6bb5\uff08\u4f8b\u5982\uff0cReferer\u9ed1\u767d\u540d\u5355\uff09\u6765\u8bbe\u7f6e\u8bbf\u95ee\u63a7\u5236\u89c4\u5219\uff0c\u5b9e\u73b0\u5bf9\u8bbf\u5ba2\u7684\u8eab\u4efd\u8bc6\u522b\u548c\u8fc7\u6ee4\uff0c\u9632\u6b62\u7f51\u7ad9\u8d44\u6e90\u88ab\u975e\u6cd5\u76d7\u7528\u3002\u914d\u7f6eReferer\u9ed1\u767d\u540d\u5355\u540e\uff0cCDN\u4f1a\u6839\u636e\u540d\u5355\u8bc6\u522b\u8bf7\u6c42\u8eab\u4efd\uff0c\u5141\u8bb8\u6216\u62d2\u7edd\u8bbf\u95ee\u8bf7\u6c42\u3002 |\n| User-Agent | User-Agent\u662fHTTP\u8bf7\u6c42\u5934\u7684\u4e00\u90e8\u5206,\u5305\u542b\u7528\u6237\u8bbf\u95ee\u65f6\u6240\u4f7f\u7528\u7684\u64cd\u4f5c\u7cfb\u7edf\u53ca\u7248\u672c\u3001\u6d4f\u89c8\u5668\u7c7b\u578b\u53ca\u7248\u672c\u7b49\u6807\u8bc6\u4fe1\u606f\u3002 |\n| \u8de8\u57df\u8d44\u6e90\u5171\u4eabCORS | \u662f\u4e00\u79cd\u57fa\u4e8eHTTP\u5934\u7684\u8bbf\u95ee\u63a7\u5236\u673a\u5236\uff0c\u5141\u8bb8Web\u670d\u52a1\u5668\u58f0\u660e\u54ea\u4e9b\u6e90\u7ad9\uff08\u6307\u5b9a\u7684\u57df\u540d\u3001\u534f\u8bae\u3001\u7aef\u53e3\uff09\u6709\u6743\u9650\u901a\u8fc7\u6d4f\u89c8\u5668\u8bbf\u95ee\u6307\u5b9a\u8d44\u6e90\u3002 |\n| WebSocket | WebSocket\u662f\u53cc\u5411\u7684\uff0c\u5728\u5ba2\u6237\u7aef-\u670d\u52a1\u5668\u901a\u4fe1\u7684\u573a\u666f\u4e2d\u4f7f\u7528\u7684\u5168\u53cc\u5de5\u534f\u8bae\uff0c\u4e0eHTTP\u4e0d\u540c\uff0c\u5b83\u4ee5ws:\/\/\u6216wss:\/\/\u5f00\u5934\u3002\u5b83\u662f\u4e00\u4e2a\u6709\u72b6\u6001\u534f\u8bae\uff0c\u8fd9\u610f\u5473\u7740\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u5668\u4e4b\u95f4\u7684\u8fde\u63a5\u5c06\u4fdd\u6301\u6d3b\u52a8\u72b6\u6001\uff0c\u76f4\u5230\u88ab\u4efb\u4f55\u4e00\u65b9\uff08\u5ba2\u6237\u7aef\u6216\u670d\u52a1\u5668\uff09\u7ec8\u6b62\u3002\u5728\u901a\u8fc7\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u5668\u4e2d\u7684\u4efb\u4f55\u4e00\u65b9\u5173\u95ed\u8fde\u63a5\u4e4b\u540e\uff0c\u8fde\u63a5\u5c06\u4ece\u4e24\u7aef\u7ec8\u6b62\u3002 |\n| \u9759\u6001\u5185\u5bb9 | \u6307\u7528\u6237\u591a\u6b21\u8bbf\u95ee\u67d0\u4e00\u8d44\u6e90\uff0c\u54cd\u5e94\u8fd4\u56de\u7684\u6570\u636e\u90fd\u662f\u76f8\u540c\u7684\u5185\u5bb9\u3002\u4f8b\u5982\uff1ahtml\u3001css \u548c js \u6587\u4ef6\u3001\u56fe\u7247\u3001\u89c6\u9891\u3001\u8f6f\u4ef6\u5b89\u88c5\u5305\u3001apk \u6587\u4ef6\u3001\u538b\u7f29\u5305\u6587\u4ef6\u7b49\u3002 |\n| \u52a8\u6001\u5185\u5bb9 | \u6307\u7528\u6237\u591a\u6b21\u8bbf\u95ee\u67d0\u4e00\u8d44\u6e90\uff0c\u54cd\u5e94\u8fd4\u56de\u7684\u6570\u636e\u662f\u4e0d\u76f8\u540c\u7684\u5185\u5bb9\u3002\u4f8b\u5982\uff1aAPI \u63a5\u53e3\u3001.jsp\u3001.asp\u3001.php\u3001.perl \u548c .cgi \u6587\u4ef6\u7b49\u3002 |\n| \u4e0a\u884c\u6d41\u91cf | \u67d0\u4e2a\u65f6\u95f4\u6bb5\u7528\u6237\u8bbe\u5907\u53d1\u9001\u5230\u7f51\u7edc\u6d4b\u8bbe\u5907\u7684\u603b\u7684\u6570\u636e\u5305\u7684\u6570\u91cf\u3002 |\n| \u4e0b\u884c\u6d41\u91cf | \u67d0\u4e2a\u65f6\u95f4\u6bb5\u5185\u7528\u6237\u4ece\u7f51\u7edc\u4fa7\u63a5\u6536\u5230\u7684\u6570\u636e\u5305\u7684\u6570\u91cf\u3002 |\n\n\n"}