{"id":61,"date":"2009-06-30T09:21:30","date_gmt":"2009-06-30T09:21:30","guid":{"rendered":""},"modified":"2011-11-18T16:56:16","modified_gmt":"2011-11-18T08:56:16","slug":"61","status":"publish","type":"post","link":"http:\/\/zerobox.org\/notes\/61.html","title":{"rendered":"Apache HTTP DoS\u5de5\u5177\u89e3\u6790"},"content":{"rendered":"<p>\u56fd\u5916\u5b89\u5168\u4eba\u5458\u6628\u5929\u53d1\u5e03\u4e86\u4e00\u4e2a\u5f88\u6709\u610f\u601d\u7684HTTP Dos\u653b\u51fb\u5de5\u5177\u3002\u8fd9\u4e2a\u5de5\u5177\u80fd\u591f\u901a\u8fc7\u8017\u5c3d\u670d\u52a1\u5668\u7684\u53ef\u7528\u8fde\u63a5\uff0c\u5bf9Apache\uff08\u4ee5\u53ca\u5176\u5b83\u4e00\u4e9b\u670d\u52a1\u5668\uff0c\u89c1\u4e0b\u6587\uff09\u8fdb\u884c\u62d2\u7edd\u670d\u52a1\u653b\u51fb(Denial of Service attack)\u3002\u867d\u7136\u73b0\u5728\u5df2\u7ecf\u6709\u5f88\u591a\u5176\u5b83\u7684Dos\u5de5\u5177\uff0c\u4f46\u8fd9\u4e2a\u5de5\u5177\u6bd4\u8f83\u7279\u6b8a\uff0c\u56e0\u4e3a\u5b83\u4f1a\u5411\u670d\u52a1\u5668\u53d1\u9001\u4e0d\u5b8c\u6574\u7684HTTP\u8bf7\u6c42\u62a5\u6587\uff0c\u8ba9HTTP\u8fde\u63a5\u4e00\u76f4\u5904\u4e8e\u5f00\u653e\u72b6\u6001\u3002<\/p>\n<p>\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u670d\u52a1\u5668\u53ea\u6709\u6253\u5f00\u8fde\u63a5\u5e76\u7b49\u5f85\u5b8c\u6574\u7684\u62a5\u6587\u9001\u8fbe\u3002\u4f46\u7ed3\u679c\u662f\uff0c\u5ba2\u6237\u7aef\uff08\u4e5f\u5c31\u662f\u8fd9\u4e2aDos\u5de5\u5177\uff09\u6839\u672c\u4e0d\u4f1a\u628a\u5b8c\u6574\u7684\u62a5\u6587\u4fe1\u606f\u53d1\u9001\u8fc7\u53bb\uff0c\u53cd\u800c\u4f1a\u7ee7\u7eed\u53d1\u9001\u4e00\u4e9b\u6076\u610f\u6784\u9020\u7684\u62a5\u6587\u884c(bogus header line)\uff0c\u4f7f\u5f97\u8fd9\u4e2a\u8fde\u63a5\u4e0d\u80fd\u88ab\u5173\u95ed\u3002<\/p>\n<p>\u6700\u5f00\u59cb\u53d1\u9001\u7684\u90a3\u90e8\u5206HTTP\u8bf7\u6c42\u662f\u5b8c\u5168\u5408\u6cd5\u7684\uff1a<\/p>\n<p>GET \/ HTTP\/1.1<br \/>\nHost: host<br \/>\nUser-Agent: Mozilla\/4.0 (compatible; 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