{"id":24,"date":"2009-06-28T13:42:44","date_gmt":"2009-06-28T13:42:44","guid":{"rendered":""},"modified":"2011-11-18T16:45:43","modified_gmt":"2011-11-18T08:45:43","slug":"24","status":"publish","type":"post","link":"http:\/\/zerobox.org\/notes\/24.html","title":{"rendered":"\u8be6\u89e3\u5e38\u89c1\u6f0f\u6d1e\u626b\u63cf\u5668\u53ca\u7f51\u7edc\u626b\u63cf\u6280\u672f"},"content":{"rendered":"<p>\u968f\u7740\u4e92\u8054\u7f51\u7684\u98de\u901f\u53d1\u5c55,\u7f51\u7edc\u5b89\u5168\u9010\u6e10\u6210\u4e3a\u4e00\u4e2a\u6f5c\u5728\u7684\u5de8\u5927\u95ee\u9898\uff0c\u5982\u4f55\u4fdd\u969c\u81ea\u8eab\u7f51\u7edc\u7684\u5b89\u5168\uff0c\u5176\u4e2d\u4e00\u4e2a\u4e3b\u8981\u7684\u65b9\u6cd5\u5c31\u662f\u81ea\u67e5\u81ea\u7ea0\uff0c\u800c\u5728\u8fd9\u4e2a\u8fc7\u7a0b\u4e2d\uff0c\u5bf9\u81ea\u5df1\u7684\u7f51\u7edc\u8fdb\u884c\u626b\u63cf\u6210\u4e3a\u4e00\u79cd\u8f83\u4e3a\u5feb\u6377\u3001\u76f4\u89c2\u3001\u7b80\u5355\u7684\u65b9\u6cd5\u3002\u626b\u63cf\u6280\u672f\u57fa\u4e8eTCP\/IP\u534f\u8bae\uff0c\u5bf9\u5404\u79cd\u7f51\u7edc\u670d\u52a1\uff0c\u65e0\u8bba\u662f\u4e3b\u673a\u6216\u8005\u9632\u706b\u5899\u3001\u8def\u7531\u5668\u90fd\u9002\u7528\u3002\u540c\u65f6\uff0c 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style=\"font-family: \u6977\u4f53_GB2312;\">\u65e0\u8bba\u626b\u63cf\u5668\u88ab\u7ba1\u7406\u5458\u5229\u7528\uff0c\u6216\u8005\u88ab\u9ed1\u5ba2\u5229\u7528\uff0c\u90fd\u6709\u52a9\u4e8e\u52a0\u5f3a\u7cfb\u7edf\u7684\u5b89\u5168\u6027\u3002<\/span><\/p>\n<p><span style=\"font-family: \u6977\u4f53_GB2312;\">\u5b83\u80fd\u4f7f\u5f97\u6f0f\u6d1e\u88ab\u53ca\u65e9\u53d1\u73b0\uff0c\u800c\u6f0f\u6d1e\u8fdf\u65e9\u4f1a\u88ab\u53d1\u73b0\u7684\u3002<\/span><\/p>\n<p><span style=\"font-family: \u6977\u4f53_GB2312;\">\u626b\u63cf\u5668\u53ef\u4ee5\u6ee1\u8db3\u5f88\u591a\u4eba\u7684\u597d\u5947\u5fc3\u3002<\/span><\/p>\n<p><span style=\"font-family: \u6977\u4f53_GB2312;\">\u626b\u63cf\u5668\u9664\u4e86\u80fd\u626b\u63cf\u7aef\u53e3\uff0c\u5f80\u5f80\u8fd8\u80fd\u591f\uff1a\u53d1\u73b0\u7cfb\u7edf\u5b58\u6d3b\u60c5\u51b5\uff0c\u4ee5\u53ca\u54ea\u4e9b\u670d\u52a1\u5728\u8fd0\u884c\uff1b<\/span><\/p>\n<p><span style=\"font-family: \u6977\u4f53_GB2312;\">\u7528\u5df2\u77e5\u7684\u6f0f\u6d1e\u6d4b\u8bd5\u8fd9\u4e9b\u7cfb\u7edf\uff1b<\/span><\/p>\n<p><span style=\"font-family: \u6977\u4f53_GB2312;\">\u5bf9\u4e00\u6279\u673a\u5668\u8fdb\u884c\u6d4b\u8bd5\uff0c\u7b80\u5355\u7684\u8fed\u4ee3\u8fc7\u7a0b\uff1b<\/span><\/p>\n<p><span style=\"font-family: \u6977\u4f53_GB2312;\">\u6709\u8fdb\u4e00\u6b65\u7684\u529f\u80fd\uff0c\u5305\u62ec\u64cd\u4f5c\u7cfb\u7edf\u8fa8\u8bc6\u3001\u5e94\u7528\u7cfb\u7edf\u8bc6\u522b\u3002<\/span><\/p>\n<p><span style=\"font-family: \u5b8b\u4f53;\"><strong>\u4e00.<\/strong> <strong>\u5e38\u89c1\u6f0f\u6d1e\u626b\u63cf\u5668\u7c7b\u578b<\/strong><\/span><\/p>\n<p><strong>1.1 \u7aef\u53e3\u626b\u63cf\u5668<\/strong><\/p>\n<p>Nmap\u88ab\u79f0\u4e3a\u626b\u63cf\u5668\u4e4b\u738b\u3002\u8fd9\u79cd\u7c7b\u578b\u626b\u63cf\u5668\u5f88\u5bb9\u6613\u5f15\u8d77\u8bef\u89e3\uff0c\u5f88\u591a\u4eba\u8ba4\u4e3a\u5bf9\u4e8enmap\u8fd9\u79cdport scaner\uff0c\u529f\u80fd\u4ec5\u9650\u4e8e\u626b\u63cf\u7aef\u53e3\uff0c\u8fd9\u5b9e\u9645\u4e0a\u662f\u4e00\u4e2a\u5f88\u5927\u7684\u8bef\u533a\uff0c\u5982\u679c\u6211\u4eec\u770b\u4e00\u4e0b\u5b83\u7684\u529f\u80fd\uff0c\u5c31\u4f1a\u53d1\u73b0\u529f\u80fd\u8fd8\u662f\u975e\u5e38\u5e7f\u6cdb\u7684\uff0c\u5305\u62ec\u64cd\u4f5c\u7cfb\u7edf\u7684\u670d\u52a1\u5224\u5b9a\u3001\u64cd\u4f5c\u7cfb\u7edf\u6307\u7eb9\u7684\u5224\u5b9a\u3001\u9632\u706b\u5899\u53caIDS\u7684\u89c4\u907f\u6280\u672f\u3002Nmap\u4ece\u6280\u672f\u89d2\u5ea6\u6765\u8bf4\u662f\u975e\u5e38\u51fa\u8272\u7684\uff0c\u5e76\u4e14\u53ef\u4ee5\u5b8c\u6210\u5927\u8303\u56f4\u7684\u65e9\u671f\u8bc4\u4f30\u5de5\u4f5c\u3002\u5b9e\u9645\u4e0anmap\u7684\u7aef\u53e3\u626b\u63cf\u7684\u4e0d\u7ba1\u662f\u4e3b\u673a\u5f00\u653e\u7aef\u53e3\u3001\u670d\u52a1\u3001\u64cd\u4f5c\u7cfb\u7edf\u7248\u672c\uff0c\u5b83\u7684\u5927\u90e8\u5206\u4f9d\u636e\u90fd\u6765\u81ea\u4e8e\u7aef\u53e3\u626b\u63cf\u7684\u7ed3\u679c\uff0c\u6839\u636e\u5176\u7ed3\u679c\u53bb\u5224\u5b9a\u5176\u4ed6\u4fe1\u606f\u3002\u6240\u4ee5\uff0c\u8ba4\u4e3anmap\u53ea\u80fd\u626b\u63cf\u7aef\u53e3\u662f\u4e00\u4e2a\u8bef\u533a\u3002<\/p>\n<p><strong>1.2 \u6f0f\u6d1e\u626b\u63cf\u5668<\/strong><\/p>\n<p>\u4ee5nessus\u4e3a\u514d\u8d39\u4ea7\u54c1\u4ee3\u8868\uff0cnessus\u7684\u5b89\u88c5\u5e94\u7528\u7a0b\u5e8f\u3001\u811a\u672c\u8bed\u8a00\u90fd\u662f\u516c\u5f00\u7684\uff0c\u4f46\u4ece\u7248\u672c3\u5f00\u59cb\u5b83\u5c31\u8f6c\u5411\u4e00\u4e2a\u79c1\u6709\u7684\u6388\u6743\u534f\u8bae\uff0c\u5176\u626b\u63cf\u5f15\u64ce\u4ecd\u7136\u514d\u8d39\uff0c\u4e0d\u8fc7\u5bf9\u5176\u652f\u6301\u548c\u6700\u65b0\u7684\u6f0f\u6d1e\u5b9a\u4e49\u8981\u6536\u8d39\uff0c\u4e0d\u8fc7\u6536\u8d39\u662f\u6709\u65f6\u95f4\u9650\u5236\u7684\uff0c\u5982\u679c\u4e0d\u60f3\u4ed8\u94b1\u7684\u8bdd\uff0c\u53ef\u4ee5\u7b49\u5f8515\u5929\uff0c15\u5929\u4e4b\u540e\uff0c\u5176\u5927\u90e8\u5206\u63d2\u4ef6\u90fd\u5c06\u662f\u514d\u8d39\u63d2\u4ef6\u3002Nessus\u76ee\u524d\u6700\u65b0\u7248\u672c\u5230\u4e863.2\u3002\u8fd9\u79cd\u626b\u63cf\u5668\u4e0d\u4ec5\u53ef\u4ee5\u68c0\u67e5\u7cfb\u7edf\u6f0f\u6d1e\uff0c\u8fd8\u53ef\u4ee5\u68c0\u67e5\u4e00\u90e8\u5206\u7684\u914d\u7f6e\u5931\u8bef\u3002<\/p>\n<p><strong>1.3 WEB\u5e94\u7528\u626b\u63cf\u5668<\/strong><\/p>\n<p>\u8fd9\u7c7b\u626b\u63cf\u5668\u76f8\u5bf9\u800c\u8a00\uff0c\u505a\u7684\u6bd4\u8f83\u4e13\uff0c\u4ec5\u7528\u4e8e\u8bc4\u4f30\u7f51\u7ad9\u7684\u5b89\u5168\u6027\uff0c\u5bf9\u4e8e\u7cfb\u7edf\u3001\u7f51\u7edc\u7684\u57fa\u7840\u60c5\u51b5\u4e00\u822c\u4e0d\u5173\u6ce8\uff0c\u5173\u6ce8\u7684\u7126\u70b9\u4e3b\u8981\u662fWEB\u5e94\u7528\u3002\u5e38\u89c1\u7684\u6709appscan\u3001webinspect\u3002\u4e3b\u8981\u68c0\u6d4bWEB\u5e94\u7528\u6570\u636e\u63d0\u4ea4\u3001\u4fe1\u606f\u6cc4\u9732\u7b49\u95ee\u9898\u3002<\/p>\n<p><strong>\u4e8c. \u5546\u4e1a\u626b\u63cf\u5668\u7279\u70b9<\/strong><\/p>\n<p>\u57fa\u672c\u4e0a\u5927\u90e8\u5206\u5546\u4e1a\u626b\u63cf\u5668\u90fd\u5de5\u4f5c\u5728\u9ed1\u76d2\u6a21\u5f0f\uff0c\u5728\u8fd9\u79cd\u6a21\u5f0f\u4e0b\u65e0\u6cd5\u770b\u5230\u6e90\u4ee3\u7801\uff0c\u4ee5\u4e00\u4e2a\u8fd1\u4f3c\u4e8e\u6e17\u900f\u8005\u6216\u653b\u51fb\u8005\u7684\u8eab\u4efd\u53bb\u770b\u5f85\u9700\u8981\u8bc4\u4f30\u7684\u7cfb\u7edf\u3002\u8fd9\u79cd\u626b\u63cf\u5668\u7279\u70b9\u6709\uff1a<\/p>\n<p><strong>2.1 \u6f0f\u6d1e\u7cbe\u786e\u626b\u63cf<\/strong><\/p>\n<p>\u7531\u4e8e\u5728\u5546\u4e1a\u5316\u5e94\u7528\u4e2d\uff0c\u5bf9\u8bef\u62a5\u3001\u6f0f\u62a5\u7684\u5bb9\u5fcd\u7a0b\u5ea6\u6bd4\u8f83\u4f4e\u3002\u4f46\u76ee\u524d\u7684\u60c5\u51b5\uff0c\u8bef\u62a5\u548c\u6f0f\u62a5\u8fd8\u662f\u65e0\u6cd5\u89c4\u907f\u7684\u3002\u5177\u4f53\u626b\u63cf\u7684\u4fe1\u606f\u6709\uff1a<\/p>\n<p>\u72b6\u6001\u626b\u63cf\uff1a\u5373\u5176\u5f00\u653e\u7684\u670d\u52a1\u3001\u901a\u4fe1\u7684\u60c5\u51b5\u3001OS\u7248\u672c\u3001\u5e94\u7528\u670d\u52a1\u7684\u7248\u672c\u3002<\/p>\n<p>\u6f0f\u6d1e\u626b\u63cf\uff08\u9a8c\u8bc1\uff09\uff1a\u9a8c\u8bc1\u5f53\u524d\u7cfb\u7edf\u662f\u5426\u5b58\u5728\u53ef\u4ee5\u5229\u7528\u3001\u4e0d\u53ef\u4ee5\u5229\u7528\u7684\u6f0f\u6d1e\uff0c\u5982\u679c\u53ef\u4ee5\u5229\u7528\uff0c\u67d0\u4e9b\u626b\u63cf\u5668\u53ef\u4ee5\u8fdb\u884c\u5199\u5165\u6587\u4ef6\u6216\u8005\u62ff\u5230shell\u4e4b\u7c7b\u7684\u529f\u80fd\u3002<\/p>\n<p>\u5f31\u53e3\u4ee4\u626b\u63cf\uff1a\u5bf9\u4e8e\u5f00\u653e\u7684\u670d\u52a1\u8fdb\u884c\u5f31\u53e3\u4ee4\u626b\u63cf\uff0c\u8fd9\u4e5f\u662f\u5f88\u91cd\u8981\u7684\u4e00\u4e2a\u529f\u80fd\u3002<\/p>\n<p><strong>2.2 \u4fee\u8865\u63aa\u65bd<\/strong><\/p>\n<p>\u5546\u7528\u626b\u63cf\u5668\u5728\u6f0f\u6d1e\u7cbe\u786e\u626b\u63cf\u4e4b\u540e\uff0c\u4f1a\u7ed9\u51fa\u4e00\u4e9b\u5efa\u8bae\u548c\u6280\u672f\u624b\u6bb5\u6765\u5c4f\u853d\u6f0f\u6d1e\u3002\u6700\u521d\u662f\u63d0\u4f9b\u4e00\u4e9b\u4fee\u8865\u5efa\u8bae\uff0c\u8fd9\u79cd\u65b9\u5f0f\u5bf9\u4e13\u4e1a\u6280\u672f\u4eba\u5458\u6765\u8bf4\u6709\u76f8\u5f53\u4ef7\u503c\uff0c\u4f46\u5bf9\u4e8e\u4e00\u4e9b\u6280\u672f\u8f83\u8584\u5f31\u6216\u8005\u6bd4\u8f83\u61d2\u60f0\u7684\u7528\u6237\uff0c\u4fee\u8865\u5efa\u8bae\u7684\u4f5c\u7528\u5c31\u88ab\u5ffd\u7565\u4e86\u3002\u5728\u65b0\u4e00\u4ee3\u7684\u5546\u7528\u626b\u63cf\u5668\u4e2d\uff0c\u63d0\u51fa\u4e86\u4fee\u8865\u8054\u52a8\u7684\u6982\u5ff5\uff0c\u901a\u8fc7\u53d1\u9001\u6ce8\u518c\u8868\u53bb\u63d0\u793a\u7528\u6237\uff0c\u7528\u6237\u53cc\u51fb\u6ce8\u518c\u8868\uff0c\u5c31\u53ef\u4ee5\u5bfc\u5165\u9700\u8981\u4fee\u6539\u3001\u5347\u7ea7\u8865\u4e01\u7684\u4fe1\u606f\uff0c\u5e76\u4e14\u8fd8\u53ef\u4ee5\u548cWSUS\u8fdb\u884c\u8054\u52a8\u3002\u8fd9\u6837\u5c31\u53ef\u4ee5\u57fa\u672c\u4e0a\u8fbe\u5230\u81ea\u52a8\u5316\u7684\u4fee\u8865\u3002<\/p>\n<p><strong>\u4e09.<\/strong> <strong>\u5e38\u89c1\u626b\u63cf\u4e3b\u8981\u6280\u672f<\/strong><\/p>\n<p>\u8981\u4e86\u89e3\u5e38\u89c1\u626b\u63cf\u7684\u4e3b\u8981\u6280\u672f\uff0c\u8fd8\u8981\u4ee5\u626b\u63cf\u5668\u5de5\u4f5c\u7684\u6d41\u7a0b\u5f00\u59cb\uff0c\u4ee5nmap\u4e3a\u4f8b\uff0c\u6574\u4e2a\u626b\u63cf\u6d41\u7a0b\u5982\u4e0b\uff1a<\/p>\n<p>1\u3001\u5b58\u6d3b\u6027\u626b\u63cf\uff1a\u662f\u6307\u5927\u89c4\u6a21\u53bb\u8bc4\u4f30\u4e00\u4e2a\u8f83\u5927\u7f51\u7edc\u7684\u5b58\u6d3b\u72b6\u6001\u3002\u4f8b\u5982\u8de8\u5730\u57df\u3001\u8de8\u7cfb\u7edf\u7684\u5927\u578b\u4f01\u4e1a\u3002\u4f46\u662f\u88ab\u626b\u63cf\u4e3b\u673a\u53ef\u80fd\u4f1a\u6709\u4e00\u4e9b\u6b3a\u9a97\u6027\u63aa\u65bd\uff0c\u4f8b\u5982\u4f7f\u7528\u9632\u706b\u5899\u963b\u585eICMP\u6570\u636e\u5305\uff0c\u53ef\u80fd\u4f1a\u9003\u8fc7\u5b58\u6d3b\u6027\u626b\u63cf\u7684\u5224\u5b9a\u3002<\/p>\n<p>2\u3001\u7aef\u53e3\u626b\u63cf\uff1a\u9488\u5bf9\u4e3b\u673a\u5224\u65ad\u7aef\u53e3\u5f00\u653e\u548c\u5173\u95ed\u60c5\u51b5\uff0c\u4e0d\u7ba1\u5176\u662f\u4e0d\u662f\u5b58\u6d3b\u3002\u7aef\u53e3\u626b\u63cf\u4e5f\u6210\u4e3a\u5b58\u6d3b\u6027\u626b\u63cf\u7684\u4e00\u4e2a\u6709\u76ca\u8865\u5145\uff0c\u5982\u679c\u4e3b\u673a\u5b58\u6d3b\uff0c\u5fc5\u7136\u8981\u63d0\u4f9b\u76f8\u5e94\u7684\u72b6\u6001\uff0c\u56e0\u6b64\u65e0\u6cd5\u9690\u85cf\u5176\u5b58\u6d3b\u60c5\u51b5\u3002<\/p>\n<p>3\u3001\u670d\u52a1\u8bc6\u522b\uff1a\u901a\u8fc7\u7aef\u53e3\u626b\u63cf\u7684\u7ed3\u679c\uff0c\u53ef\u4ee5\u5224\u65ad\u51fa\u4e3b\u673a\u63d0\u4f9b\u7684\u670d\u52a1\u53ca\u5176\u7248\u672c\u3002<\/p>\n<p>4\u3001\u64cd\u4f5c\u7cfb\u7edf\u8bc6\u522b\uff1a\u5229\u7528\u670d\u52a1\u7684\u8bc6\u522b\uff0c\u53ef\u4ee5\u5224\u65ad\u51fa\u64cd\u4f5c\u7cfb\u7edf\u7684\u7c7b\u578b\u53ca\u5176\u7248\u672c\u3002<\/p>\n<p>\u8fd9\u5c31\u662f\u4ee5nmap\u4e3a\u4ee3\u8868\u7684\u626b\u63cf\u8fc7\u7a0b\u3002<\/p>\n<p><strong>3.1 \u4e3b\u673a\u5b58\u6d3b\u626b\u63cf\u6280\u672f<\/strong><\/p>\n<p>\u4e3b\u673a\u626b\u63cf\u7684\u76ee\u7684\u662f\u786e\u5b9a\u5728\u76ee\u6807\u7f51\u7edc\u4e0a\u7684\u4e3b\u673a\u662f\u5426\u53ef\u8fbe\u3002\u8fd9\u662f\u4fe1\u606f\u6536\u96c6\u7684\u521d\u7ea7\u9636\u6bb5\uff0c\u5176\u6548\u679c\u76f4\u63a5\u5f71\u54cd\u5230\u540e\u7eed\u7684\u626b\u63cf\u3002Ping\u5c31\u662f\u6700\u539f\u59cb\u7684\u4e3b\u673a\u5b58\u6d3b\u626b\u63cf\u6280\u672f\uff0c\u5229\u7528icmp\u7684echo\u5b57\u6bb5\uff0c\u53d1\u51fa\u7684\u8bf7\u6c42\u5982\u679c\u6536\u5230\u56de\u5e94\u7684\u8bdd\u4ee3\u8868\u4e3b\u673a\u5b58\u6d3b\u3002<br \/>\n\u5e38\u7528\u7684\u4f20\u7edf\u626b\u63cf\u624b\u6bb5\u6709\uff1a<\/p>\n<p>1. ICMP Echo\u626b\u63cf \u7cbe\u5ea6\u76f8\u5bf9\u8f83\u9ad8\u3002\u901a\u8fc7\u7b80\u5355\u5730\u5411\u76ee\u6807\u4e3b\u673a\u53d1\u9001ICMP Echo Request \u6570\u636e\u5305\uff0c\u5e76\u7b49\u5f85\u56de\u590d\u7684ICMP Echo Reply \u5305\uff0c\u5982Ping\u3002<\/p>\n<p>2. ICMP Sweep \u626b\u63cf\uff1asweep\u8fd9\u4e2a\u8bcd\u7684\u52a8\u4f5c\u5f88\u50cf\u673a\u67aa\u626b\u5c04\uff0cicmp\u8fdb\u884c\u626b\u5c04\u5f0f\u7684\u626b\u63cf\uff0c\u5c31\u662f\u5e76\u53d1\u6027\u626b\u63cf\uff0c\u4f7f\u7528ICMP Echo Request\u4e00\u6b21\u63a2\u6d4b\u591a\u4e2a\u76ee\u6807\u4e3b\u673a\u3002\u901a\u5e38\u8fd9\u79cd\u63a2\u6d4b\u5305\u4f1a\u5e76\u884c\u53d1\u9001\uff0c\u4ee5\u63d0\u9ad8\u63a2\u6d4b\u6548\u7387\uff0c\u9002\u7528\u4e8e\u5927\u8303\u56f4\u7684\u8bc4\u4f30\u3002<\/p>\n<p>3. Broadcast ICMP\u626b\u63cf\uff1a\u5e7f\u64ad\u578bicmp\u626b\u63cf\uff0c\u5229\u7528\u4e86\u4e00\u4e9b\u4e3b\u673a\u5728icmp\u5b9e\u73b0\u4e0a\u7684\u5dee\u5f02\uff0c\u8bbe\u7f6eICMP\u8bf7\u6c42\u5305\u7684\u76ee\u6807\u5730\u5740\u4e3a\u5e7f\u64ad\u5730\u5740\u6216\u7f51\u7edc\u5730\u5740\uff0c\u5219\u53ef\u4ee5\u63a2\u6d4b\u5e7f\u64ad\u57df\u6216\u6574\u4e2a\u7f51\u7edc\u8303\u56f4\u5185\u7684\u4e3b\u673a\uff0c\u5b50\u7f51\u5185\u6240\u6709\u5b58\u6d3b\u4e3b\u673a\u90fd\u4f1a\u7ed9\u4ee5\u56de\u5e94\u3002\u4f46\u8fd9\u79cd\u60c5\u51b5\u53ea\u9002\u5408\u4e8eUNIX\/Linux\u7cfb\u7edf\u3002<\/p>\n<p>4. Non-Echo ICMP\u626b\u63cf\uff1a\u5728ICMP\u534f\u8bae\u4e2d\u4e0d\u5149\u5149\u53ea\u6709ICMP ECHO\u7684ICMP\u67e5\u8be2\u4fe1\u606f\u7c7b\u578b\uff0c\u5728ICMP\u626b\u63cf \u6280\u672f\u4e2d\u4e5f\u7528\u5230Non-ECHO ICMP\u6280\u672f\uff08\u4e0d\u4ec5\u4ec5\u80fd\u63a2\u6d4b\u4e3b\u673a\uff0c\u4e5f\u53ef\u4ee5\u63a2\u6d4b\u7f51\u7edc\u8bbe\u5907\u5982\u8def\u7531\uff09\u3002\u5229\u7528\u4e86ICMP\u7684\u670d\u52a1\u7c7b\u578b\uff08Timestamp\u548cTimestamp Reply \u3001Information Request\u548cInformation Reply \u3001Address Mask Request \u548cAddress Mask Reply\uff09\u3002<\/p>\n<p><strong>3.2 \u89c4\u907f\u6280\u672f<\/strong><\/p>\n<p>\u4e3a\u5230\u8fbe\u89c4\u907f\u9632\u706b\u5899\u548c\u5165\u4fb5\u68c0\u6d4b\u8bbe\u5907\u7684\u76ee\u7684\uff0c ICMP\u534f\u8bae\u63d0\u4f9b\u7f51\u7edc\u95f4\u4f20\u9001\u9519\u8bef\u4fe1\u606f\u7684\u529f\u80fd\u4e5f\u6210\u4e3a\u4e86\u4e3b\u8981\u7684\u626b\u975e\u5e38\u89c4\u63cf\u624b\u6bb5\u3002\u5176\u4e3b\u8981\u539f\u7406\u5c31\u662f\u5229\u7528\u88ab\u63a2\u6d4b\u4e3b\u673a\u4ea7\u751f\u7684ICMP\u9519\u8bef\u62a5\u6587\u6765\u8fdb\u884c\u590d\u6742\u7684\u4e3b\u673a\u63a2\u6d4b\u3002<\/p>\n<p><strong>\u5e38\u7528\u7684\u89c4\u907f\u6280\u672f\u5927\u81f4\u5206\u4e3a4\u7c7b\uff1a<\/strong><\/p>\n<p>1. \u5f02\u5e38\u7684IP\u5305\u5934 \uff1a\u5411\u76ee\u6807\u4e3b\u673a\u53d1\u9001\u5305\u5934\u9519\u8bef\u7684IP\u5305\uff0c\u76ee\u6807\u4e3b\u673a\u6216\u8fc7\u6ee4\u8bbe\u5907\u4f1a\u53cd\u9988ICMP Parameter Problem Error\u4fe1\u606f\u3002\u5e38\u89c1\u7684\u4f2a\u9020\u9519\u8bef\u5b57\u6bb5\u4e3aHeader Length \u548cIP Options\u3002\u4e0d\u540c\u5382\u5bb6\u7684\u8def\u7531\u5668\u548c\u64cd\u4f5c\u7cfb\u7edf\u5bf9\u8fd9\u4e9b\u9519\u8bef\u7684\u5904\u7406\u65b9\u5f0f\u4e0d\u540c\uff0c\u8fd4\u56de\u7684\u7ed3\u679c\u4e5f\u4e0d\u540c\u3002<\/p>\n<p>2. \u5728IP\u5934\u4e2d\u8bbe\u7f6e\u65e0\u6548\u7684\u5b57\u6bb5\u503c\uff1a\u5411\u76ee\u6807\u4e3b\u673a\u53d1\u9001\u7684IP\u5305\u4e2d\u586b\u5145\u9519\u8bef\u7684\u5b57\u6bb5\u503c\uff0c\u76ee\u6807\u4e3b\u673a\u6216\u8fc7\u6ee4\u8bbe\u5907\u4f1a\u53cd\u9988ICMP Destination Unreachable\u4fe1\u606f\u3002\u8fd9\u79cd\u65b9\u6cd5\u540c\u6837\u53ef\u4ee5\u63a2\u6d4b\u76ee\u6807\u4e3b\u673a\u548c\u7f51\u7edc\u8bbe\u5907\u3002<\/p>\n<p>3. \u901a\u8fc7\u8d85\u957f\u5305\u63a2\u6d4b\u5185\u90e8\u8def\u7531\u5668\uff1a\u82e5\u6784\u9020\u7684\u6570\u636e\u5305\u957f\u5ea6\u8d85\u8fc7\u76ee\u6807\u7cfb\u7edf\u6240\u5728\u8def\u7531\u5668\u7684PMTU\u4e14\u8bbe\u7f6e\u7981\u6b62\u5206\u7247\u6807\u5fd7, \u8be5\u8def\u7531\u5668\u4f1a\u53cd\u9988 Fragmentation Needed and Don\u2019t Fragment Bit was Set\u5dee\u9519\u62a5\u6587\u3002<\/p>\n<p>4. \u53cd\u5411\u6620\u5c04\u63a2\u6d4b\uff1a\u7528\u4e8e\u63a2\u6d4b\u88ab\u8fc7\u6ee4\u8bbe\u5907\u6216\u9632\u706b\u5899\u4fdd\u62a4\u7684\u7f51\u7edc\u548c\u4e3b\u673a\u3002\u6784\u9020\u53ef\u80fd\u7684\u5185\u90e8IP\u5730\u5740\u5217\u8868\uff0c\u5e76\u5411\u8fd9\u4e9b\u5730\u5740\u53d1\u9001\u6570\u636e\u5305\u3002\u5f53\u5bf9\u65b9\u8def\u7531\u5668\u63a5\u6536\u5230\u8fd9\u4e9b\u6570\u636e\u5305\u65f6\uff0c\u4f1a\u8fdb\u884cIP\u8bc6\u522b\u5e76\u8def\u7531\uff0c\u5bf9\u4e0d\u5728\u5176\u670d\u52a1\u7684\u8303\u56f4\u7684IP\u5305\u53d1\u9001ICMP Host Unreachable\u6216ICMP Time Exceeded \u9519\u8bef\u62a5\u6587\uff0c\u6ca1\u6709\u63a5\u6536\u5230\u76f8\u5e94\u9519\u8bef\u62a5\u6587\u7684IP\u5730\u5740\u53ef\u88ab\u8ba4\u4e3a\u5728\u8be5\u7f51\u7edc\u4e2d\u3002<\/p>\n<p>\u4e3e\u4f8b\u6765\u770b\uff1a<\/p>\n<table class=\"ln\" border=\"1\" cellspacing=\"0\" align=\"center\" bgcolor=\"#ddddd0\">\n<tbody>\n<tr>\n<td bgcolor=\"#ffffff\"><a href=\"http:\/\/new.51cto.com\/files\/uploadimg\/20081204\/144530601.png\" target=\"_blank\"><img loading=\"lazy\" decoding=\"async\" class=\"fit-image\" style=\"zoom: 80%;\" src=\"http:\/\/images.51cto.com\/files\/uploadimg\/20081204\/144530601.png\" alt=\"\" width=\"301\" height=\"191\" border=\"0\" \/><\/a><\/td>\n<\/tr>\n<tr>\n<td class=\"it\" align=\"center\" bgcolor=\"#dddddd\">\u56fe1<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u5f53\u53d1\u9001\u4e00\u4e2a\u6570\u636e\u5305\u7684\u65f6\u5019\uff0c\u6570\u636e\u5305\u5934\u90e8\u4f1a\u663e\u793a\u5176\u5c01\u88c5\u7c7b\u578b\uff0c\u8fd9\u91cc\u663e\u793a\u7684\u662ftcp\u534f\u8bae\u3002\u5176\u7f16\u53f7\u662f06\uff0c\u770b\u523006\u5c31\u53ef\u4ee5\u77e5\u9053\u8fd9\u662f\u4e00\u4e2atcp\u62a5\u6587\u3002\u5982\u679c\u628a\u62a5\u6587\u6807\u8bc6\u6210\u4e0d\u53ef\u8bc6\u522b\u7684\u534f\u8bae\uff0c\u4f8b\u5982\uff1a<\/p>\n<table class=\"ln\" border=\"1\" cellspacing=\"0\" align=\"center\" bgcolor=\"#ddddd0\">\n<tbody>\n<tr>\n<td bgcolor=\"#ffffff\"><a href=\"http:\/\/new.51cto.com\/files\/uploadimg\/20081204\/144549201.png\" target=\"_blank\"><img loading=\"lazy\" decoding=\"async\" class=\"fit-image\" src=\"http:\/\/images.51cto.com\/files\/uploadimg\/20081204\/144549201.png\" alt=\"\" width=\"224\" height=\"55\" border=\"0\" \/><\/a><\/td>\n<\/tr>\n<tr>\n<td class=\"it\" align=\"center\" bgcolor=\"#dddddd\">\u56fe2<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u534f\u8bae\u5b57\u6bb5\u91cc\u663e\u793a\u662funknown\uff0c\u7f16\u53f7\u662fb2\uff0c\u8fd9\u4e2a\u534f\u8bae\u662f\u672a\u77e5\u7684\uff0c\u90a3\u55c5\u63a2\u5668\u4e5f\u4f1a\u8fd4\u56de\u7ed9\u4e00\u4e2aunknown\u3002\u5c31\u662f\u8fd9\u6837\u53d1\u9001\u4e00\u4e2a\u4e0d\u53ef\u8bc6\u522b\u7684\u534f\u8bae\u7ed9\u5176\u4ed6\u4e3b\u673a\u7684\u65f6\u5019\uff0c\u5bf9\u65b9\u4e3b\u673a\u4e5f\u65e0\u6cd5\u8bc6\u522b\u3002\u5f53\u4e0d\u53ef\u8bc6\u522b\u7684\u65f6\u5019\uff1a<\/p>\n<table class=\"ln\" border=\"1\" cellspacing=\"0\" align=\"center\" bgcolor=\"#ddddd0\">\n<tbody>\n<tr>\n<td bgcolor=\"#ffffff\"><a href=\"http:\/\/new.51cto.com\/files\/uploadimg\/20081204\/144602252.png\" target=\"_blank\"><img loading=\"lazy\" decoding=\"async\" class=\"fit-image\" style=\"zoom: 90%;\" src=\"http:\/\/images.51cto.com\/files\/uploadimg\/20081204\/144602252.png\" alt=\"\" width=\"327\" height=\"80\" border=\"0\" \/><\/a><\/td>\n<\/tr>\n<tr>\n<td class=\"it\" align=\"center\" bgcolor=\"#dddddd\">\u56fe3<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u5bf9\u65b9\u8ba4\u4e3a\u81ea\u5df1\u7684\u534f\u8bae\u6808\u4e0a\u65e0\u6cd5\u8bc6\u522b\uff0c\u7b2c\u4e00\u4e2a\u52a8\u4f5c\u5c31\u662f\u5148\u628a\u6570\u636e\u5305\u4e22\u5f03\uff0c\u4e22\u6389\u62a5\u6587\u4e4b\u540e\u53bb\u901a\u77e5\u5bf9\u65b9\uff0c\u8fd4\u56de\u4e86\u8fd9\u6761icmp\u7684\u4fe1\u606f\u3002\u7c7b\u578b\u4e3a3\uff0c\u76ee\u6807\u4e0d\u53ef\u8fbe\uff0c\u5176code\u662f2\uff0c\u544a\u8bc9\u4f60\u76ee\u6807\u4e0d\u53ef\u8fbe\u7684\u539f\u56e0\u662f\u534f\u8bae\u4e0d\u53ef\u8fbe\u3002\u5f53\u4f60\u53d1\u9001\u4e00\u4e2a\u9519\u8bef\u7684\u6570\u636e\u5305\uff0c\u5bf9\u65b9\u4e0d\u53ef\u8bc6\u522b\u5c31\u8fd4\u56de\u7ed9\u4f60\u4e00\u4e2aicmp\u4fe1\u606f\uff0c\u8fbe\u5230\u4e86\u63a2\u6d4b\u5bf9\u65b9\u7684\u76ee\u7684\u3002<\/p>\n<p><strong>3.3 \u7aef\u53e3\u626b\u63cf\u6280\u672f<\/strong><\/p>\n<p>\u5728\u5b8c\u6210\u4e3b\u673a\u5b58\u6d3b\u6027\u5224\u65ad\u4e4b\u540e\uff0c\u5c31\u5e94\u8be5\u53bb\u5224\u5b9a\u4e3b\u673a\u5f00\u653e\u4fe1\u9053\u7684\u72b6\u6001\uff0c\u7aef\u53e3\u5c31\u662f\u5728\u4e3b\u673a\u4e0a\u9762\u5f00\u653e\u7684\u4fe1\u9053\uff0c0-1024\u4e3a\u77e5\u540d\u7aef\u53e3\uff0c\u7aef\u53e3\u603b\u6570\u662f65535\u3002\u7aef\u53e3\u5b9e\u9645\u4e0a\u5c31\u662f\u4ece\u7f51\u7edc\u5c42\u6620\u5c04\u5230\u8fdb\u7a0b\u7684\u901a\u9053\u3002\u901a\u8fc7\u8fd9\u4e2a\u5173\u7cfb\u5c31\u53ef\u4ee5\u638c\u63e1\u4ec0\u4e48\u6837\u7684\u8fdb\u7a0b\u4f7f\u7528\u4e86\u4ec0\u4e48\u6837\u7684\u901a\u4fe1\uff0c\u5728\u8fd9\u4e2a\u8fc7\u7a0b\u91cc\u9762\uff0c\u80fd\u591f\u901a\u8fc7\u8fdb\u7a0b\u53d6\u5f97\u7684\u4fe1\u606f\uff0c\u5c31\u4e3a\u67e5\u627e\u540e\u95e8\u3001\u4e86\u89e3\u7cfb\u7edf\u72b6\u6001\u63d0\u4f9b\u4e86\u6709\u529b\u7684\u652f\u6491\u3002\u5e38\u89c1\u6d41\u884c\u7684\u7aef\u53e3\u626b\u63cf\u6280\u672f\u901a\u5e38\u6709\uff1a<\/p>\n<p><strong>3.3.1 TCP\u626b\u63cf\uff1a<\/strong><\/p>\n<p>\u5229\u7528\u4e09\u6b21\u63e1\u624b\u8fc7\u7a0b\u4e0e\u76ee\u6807\u4e3b\u673a\u5efa\u7acb\u5b8c\u6574\u6216\u4e0d\u5b8c\u6574\u7684TCP\u8fde\u63a5\u3002<\/p>\n<p>TCP connect()\u626b\u63cf\uff1a tcp\u7684\u62a5\u5934\u91cc\uff0c\u67096\u4e2a\u8fde\u63a5\u6807\u8bb0\uff0c\u5206\u522b\u662furg\u3001ack\u3001psh\u3001rst\u3001syn\u3001fin\u3002\u901a\u8fc7\u8fd9\u4e9b\u8fde\u63a5\u6807\u8bb0\u4e0d\u540c\u7684\u7ec4\u5408\u65b9\u5f0f\uff0c\u53ef\u4ee5\u83b7\u5f97\u4e0d\u540c\u7684\u8fd4\u56de\u62a5\u6587\u3002\u4f8b\u5982\uff0c\u53d1\u9001\u4e00\u4e2asyn\u7f6e\u4f4d\u7684\u62a5\u6587\uff0c\u5982\u679csyn\u7f6e\u4f4d\u7784\u51c6\u7684\u7aef\u53e3\u662f\u5f00\u653e\u7684\uff0csyn\u7f6e\u4f4d\u7684\u62a5\u6587\u5230\u8fbe\u7684\u7aef\u53e3\u5f00\u653e\u7684\u65f6\u5019\uff0c\u4ed6\u5c31\u4f1a\u8fd4\u56desyn+ack\uff0c\u4ee3\u8868\u5176\u80fd\u591f\u63d0\u4f9b\u76f8\u5e94\u7684\u670d\u52a1\u3002\u6211\u6536\u5230syn+ack\u540e\uff0c\u8fd4\u56de\u7ed9\u5bf9\u65b9\u4e00\u4e2aack\u3002\u8fd9\u4e2a\u8fc7\u7a0b\u5c31\u662f\u8457\u540d\u7684\u4e09\u6b21\u63e1\u624b\u3002\u8fd9\u79cd\u626b\u63cf\u7684\u901f\u5ea6\u548c\u7cbe\u5ea6\u90fd\u662f\u4ee4\u4eba\u6ee1\u610f\u7684\u3002<\/p>\n<p>Reverse-ident\u626b\u63cf\uff1a\u8fd9\u79cd\u6280\u672f\u5229\u7528\u4e86Ident\u534f\u8bae(RFC1413)\uff0ctcp\u7aef\u53e3113.\u5f88\u591a\u4e3b\u673a\u90fd\u4f1a\u8fd0\u884c\u7684\u534f\u8bae\uff0c\u7528\u4e8e\u9274\u522bTCP\u8fde\u63a5\u7684\u7528\u6237\u3002<\/p>\n<p>identd \u7684\u64cd\u4f5c\u539f\u7406\u662f\u67e5\u627e\u7279\u5b9a TCP\/IP \u8fde\u63a5\u5e76\u8fd4\u56de\u62e5\u6709\u6b64\u8fde\u63a5\u7684\u8fdb\u7a0b\u7684\u7528\u6237\u540d\u3002\u5b83\u4e5f\u53ef\u4ee5\u8fd4\u56de\u4e3b\u673a\u7684\u5176\u4ed6\u4fe1\u606f\u3002\u4f46\u8fd9\u79cd\u626b\u63cf\u65b9\u5f0f\u53ea\u80fd\u5728tcp\u5168\u8fde\u63a5\u4e4b\u540e\u624d\u6709\u6548\uff0c\u5e76\u4e14\u5b9e\u9645\u4e0a\u5f88\u591a\u4e3b\u673a\u90fd\u4f1a\u5173\u95edident\u670d\u52a1\u3002<\/p>\n<p>Tcp syn\u626b\u63cf\uff1a\u5411\u76ee\u6807\u4e3b\u673a\u7684\u7279\u5b9a\u7aef\u53e3\u53d1\u9001\u4e00\u4e2aSYN\u5305\uff0c\u5982\u679c\u7aef\u53e3\u6ca1\u5f00\u653e\u5c31\u4e0d\u4f1a\u8fd4\u56desyn+ack\uff0c\u8fd9\u65f6\u4f1a\u7ed9\u4f60\u4e00\u4e2arst\uff0c\u505c\u6b62\u5efa\u7acb\u8fde\u63a5\u3002\u7531\u4e8e\u8fde\u63a5\u6ca1\u6709\u5b8c\u5168\u5efa\u7acb\uff0c\u6240\u4ee5\u79f0\u4e3a\u534a\u5f00\u653e\u626b\u63cf\u3002\u4f46\u7531\u4e8esyn flood\u4f5c\u4e3a\u4e00\u79cdddos\u653b\u51fb\u624b\u6bb5\u88ab\u5927\u91cf\u91c7\u7528\uff0c\u56e0\u6b64\u5f88\u591a\u9632\u706b\u5899\u90fd\u4f1a\u5bf9syn\u62a5\u6587\u8fdb\u884c\u8fc7\u6ee4\uff0c\u6240\u4ee5\u8fd9\u79cd\u65b9\u6cd5\u5e76\u4e0d\u80fd\u603b\u662f\u6709\u7528\u3002<\/p>\n<p>\u5176\u4ed6\u8fd8\u6709fin\u3001NULL\u3001Xmas\u7b49\u626b\u63cf\u65b9\u5f0f\u3002<\/p>\n<p><strong>3.3.2\u00a0\u00a0\u00a0\u00a0 UDP\u626b\u63cf<\/strong><\/p>\n<p>\u7531\u4e8e\u73b0\u5728\u9632\u706b\u5899\u8bbe\u5907\u7684\u6d41\u884c\uff0ctcp\u7aef\u53e3\u7684\u7ba1\u7406\u72b6\u6001\u8d8a\u6765\u8d8a\u4e25\u683c\uff0c\u4e0d\u4f1a\u8f7b\u6613\u5f00\u653e\uff0c\u5e76\u4e14\u901a\u4fe1\u76d1\u89c6\u4e25\u683c\u3002\u4e3a\u4e86\u907f\u514d\u8fd9\u79cd\u76d1\u89c6\uff0c\u8fbe\u5230\u8bc4\u4f30\u7684\u76ee\u7684\uff0c\u5c31\u51fa\u73b0\u4e86\u79d8\u5bc6\u626b\u63cf\u3002\u8fd9\u79cd\u626b\u63cf\u65b9\u5f0f\u7684\u7279\u70b9\u662f\u5229\u7528UDP\u7aef\u53e3\u5173\u95ed\u65f6\u8fd4\u56de\u7684ICMP\u4fe1\u606f\uff0c\u4e0d\u5305\u542b\u6807\u51c6\u7684TCP\u4e09\u6b21\u63e1\u624b\u534f\u8bae\u7684\u4efb\u4f55\u90e8\u5206\uff0c\u9690\u853d\u6027\u597d\uff0c\u4f46\u8fd9\u79cd\u626b\u63cf\u4f7f\u7528\u7684\u6570\u636e\u5305\u5728\u901a\u8fc7\u7f51\u7edc\u65f6\u5bb9\u6613\u88ab\u4e22\u5f03\u4ece\u800c\u4ea7\u751f\u9519\u8bef\u7684\u63a2\u6d4b\u4fe1\u606f\u3002<\/p>\n<p>\u4f46\u662f\uff0cUDP\u626b\u63cf\u65b9\u5f0f\u7684\u7f3a\u9677\u5f88\u660e\u663e\uff0c\u901f\u5ea6\u6162\u3001\u7cbe\u5ea6\u4f4e\u3002UDP\u7684\u626b\u63cf\u65b9\u6cd5\u6bd4\u8f83\u5355\u4e00\uff0c\u57fa\u7840\u539f\u7406\u662f\uff1a\u5f53\u4f60\u53d1\u9001\u4e00\u4e2a\u62a5\u6587\u7ed9udp\u7aef\u53e3\uff0c\u8be5\u7aef\u53e3\u662f\u5173\u95ed\u72b6\u6001\u65f6\uff0c\u7aef\u53e3\u4f1a\u8fd4\u56de\u7ed9\u4e00\u4e2aicmp\u4fe1\u606f\uff0c\u6240\u6709\u7684\u5224\u5b9a\u90fd\u662f\u57fa\u4e8e\u8fd9\u4e2a\u539f\u7406\u3002\u5982\u679c\u5173\u95ed\u7684\u8bdd\uff0c\u4ec0\u4e48\u4fe1\u606f\u90fd\u4e0d\u53d1\u3002<\/p>\n<p>Traceroute\u626b\u63cf\uff1atracert \u541130000\u4ee5\u4e0a\u7684\u9ad8\u7aef\u53e3\uff08\u4e00\u822c\u8ba4\u4e3a\uff0c\u4e3b\u673a\u768430000\u4ee5\u4e0a\u9ad8\u7aef\u53e3\u5229\u7528\u7387\u975e\u5e38\u4f4e\uff0c\u4efb\u4f55\u4e3b\u673a\u90fd\u4e0d\u4f1a\u8f7b\u6613\u5f00\u653e\u8fd9\u79cd\u9ad8\u7aef\u53e3\uff0c\u9ed8\u8ba4\u90fd\u662f\u5173\u95ed\u7684\uff09\u3002\u5982\u679c\u5bf9\u65b9\u7aef\u53e3\u5173\u95ed\uff0c\u4f1a\u8fd4\u56de\u7ed9icmp\u4fe1\u606f\uff0c\u6839\u636e\u8fd9\u4e2a\u5f80\u8fd4\u65f6\u95f4\uff0c\u8ba1\u7b97\u8df3\u6570\u3001\u8def\u5f84\u4fe1\u606f\uff0c\u4e86\u89e3\u5ef6\u65f6\u60c5\u51b5\u3002\u8fd9\u662ftracerote\u539f\u7406\uff0c\u4e5f\u662f\u4ece\u8fd9\u4e2a\u539f\u7406\u4e0a\u6f14\u53d8\u51fa\u6765udp\u626b\u63cf\u6280\u672f\u3002<\/p>\n<p>\u4f7f\u7528udp\u626b\u63cf\u8981\u6ce8\u610f\u7684\u662f1\u3001udp\u72b6\u6001\u3001\u7cbe\u5ea6\u6bd4\u8f83\u5dee\uff0c\u56e0\u4e3audp\u662f\u4e0d\u9762\u5411\u8fde\u63a5\u7684\uff0c\u6240\u4ee5\u6574\u4e2a\u7cbe\u5ea6\u4f1a\u6bd4\u8f83\u4f4e\u30022\u3001udp\u626b\u63cf\u901f\u5ea6\u6bd4\u8f83\u6162\uff0ctcp\u626b\u63cf\u5f00\u653e1\u79d2\u7684\u5ef6\u65f6\uff0c\u5728udp\u91cc\u53ef\u80fd\u5c31\u9700\u89812\u79d2\uff0c\u8fd9\u662f\u7531\u4e8e\u4e0d\u540c\u64cd\u4f5c\u7cfb\u7edf\u5728\u5b9e\u73b0icmp\u534f\u8bae\u7684\u65f6\u5019\u4e3a\u4e86\u907f\u514d\u5e7f\u64ad\u98ce\u66b4\u90fd\u4f1a\u6709\u5cf0\u503c\u901f\u7387\u7684\u9650\u5236\uff08\u56e0\u4e3aicmp\u4fe1\u606f\u672c\u8eab\u5e76\u4e0d\u662f\u4f20\u8f93\u8f7d\u8377\u4fe1\u606f\uff0c\u4e0d\u4f1a\u6709\u4eba\u62ff\u4ed6\u53bb\u4f20\u8f93\u4e00\u4e9b\u6709\u4ef7\u503c\u4fe1\u606f\u3002\u64cd\u4f5c\u7cfb\u7edf\u5728\u5b9e\u73b0\u7684\u65f6\u5019\u662f\u4e0d\u5e0c\u671bicmp\u62a5\u6587\u8fc7\u591a\u7684\u3002\u4e3a\u4e86\u907f\u514d\u4ea7\u751f\u5e7f\u64ad\u98ce\u66b4\uff0c\u64cd\u4f5c\u7cfb\u7edf\u5bf9icmp\u62a5\u6587\u89c4\u5b9a\u4e86\u5cf0\u503c\u901f\u7387\uff0c\u4e0d\u540c\u64cd\u4f5c\u7cfb\u7edf\u7684\u901f\u7387\u4e0d\u540c\uff09 \u5229\u7528udp\u4f5c\u4e3a\u626b\u63cf\u7684\u57fa\u7840\u534f\u8bae\uff0c\u5c31\u4f1a\u5bf9\u7cbe\u5ea6\u3001\u5ef6\u65f6\u4ea7\u751f\u8f83\u5927\u5f71\u54cd\u3002<\/p>\n<p>\u5f53\u524d\u5728\u6e17\u900f\u6d4b\u8bd5\u8fc7\u7a0b\u4e2d\u5bf9\u4e8e\u7aef\u53e3\u7684\u626b\u63cf\u662f\u975e\u5e38\u7075\u6d3b\u7684\uff0c06\u5e74\u7684\u9ed1\u5e3d\u5927\u4f1a\u4e0a\uff0c\u5c31\u6709\u4eba\u5229\u7528\u4e86\u5f00\u53d1\u4e86\u5de5\u5177\u63a2\u6d4b\u7f51\u5185\u54ea\u53f0\u4e3b\u673a\u6253\u5f00\u4e8680\u7aef\u53e3\uff0c\u8fd9\u6837\u7684\u6280\u672f\u5728\u5f53\u524d\u7684\u4e92\u8054\u7f51\u4e0a\u5229\u7528\u7684\u975e\u5e38\u666e\u904d\u3002<\/p>\n<table class=\"ln\" border=\"1\" cellspacing=\"0\" align=\"center\" bgcolor=\"#ddddd0\">\n<tbody>\n<tr>\n<td bgcolor=\"#ffffff\"><a href=\"http:\/\/new.51cto.com\/files\/uploadimg\/20081204\/144623566.png\" target=\"_blank\"><img loading=\"lazy\" decoding=\"async\" class=\"fit-image\" style=\"width: 498px;\" src=\"http:\/\/images.51cto.com\/files\/uploadimg\/20081204\/144623566.png\" alt=\"\" width=\"503\" height=\"500\" border=\"0\" \/><\/a><\/td>\n<\/tr>\n<tr>\n<td class=\"it\" align=\"center\" bgcolor=\"#dddddd\">\u56fe4<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><strong>3.4 \u670d\u52a1\u53ca\u7cfb\u7edf\u6307\u7eb9<\/strong><\/p>\n<p>\u5728\u5224\u5b9a\u5b8c\u7aef\u53e3\u60c5\u51b5\u4e4b\u540e\uff0c\u7ee7\u800c\u5c31\u8981\u5224\u5b9a\u670d\u52a1\u3002<\/p>\n<p><strong>3.4.1 \u6839\u636e\u7aef\u53e3\u5224\u5b9a<\/strong><\/p>\n<p>\u8fd9\u79cd\u5224\u5b9a\u670d\u52a1\u7684\u65b9\u5f0f\u5c31\u662f\u6839\u636e\u7aef\u53e3\uff0c\u76f4\u63a5\u5229\u7528\u7aef\u53e3\u4e0e\u670d\u52a1\u5bf9\u5e94\u7684\u5173\u7cfb\uff0c\u6bd4\u598223\u7aef\u53e3\u5bf9\u5e94telnet\uff0c21\u5bf9\u5e94ftp\uff0c80\u5bf9\u5e94http\u3002\u8fd9\u79cd\u65b9\u5f0f\u5224\u5b9a\u670d\u52a1\u662f\u8f83\u65e9\u7684\u4e00\u79cd\u65b9\u5f0f\uff0c\u5bf9\u4e8e\u5927\u8303\u56f4\u8bc4\u4f30\u662f\u6709\u4e00\u5b9a\u4ef7\u503c\u7684\uff0c\u4f46\u5176\u7cbe\u5ea6\u8f83\u4f4e\u3002\u4f8b\u5982\u4f7f\u7528nc\u8fd9\u6837\u7684\u5de5\u5177\u572880\u7aef\u53e3\u4e0a\u76d1\u542c\uff0c\u8fd9\u6837\u626b\u63cf\u65f6\u4f1a\u4ee5\u4e3a80\u5728\u5f00\u653e\uff0c\u4f46\u5b9e\u9645\u4e0a80\u5e76\u6ca1\u6709\u63d0\u4f9bhttp\u670d\u52a1\uff0c\u7531\u4e8e\u8fd9\u79cd\u5173\u7cfb\u53ea\u662f\u7b80\u5355\u5bf9\u5e94\uff0c\u5e76\u6ca1\u6709\u53bb\u5224\u65ad\u7aef\u53e3\u8fd0\u884c\u7684\u534f\u8bae\uff0c\u8fd9\u5c31\u4ea7\u751f\u4e86\u8bef\u5224\uff0c\u8ba4\u4e3a\u53ea\u8981\u5f00\u653e\u4e8680\u7aef\u53e3\u5c31\u662f\u5f00\u653e\u4e86http\u534f\u8bae\u3002\u4f46\u5b9e\u9645\u5e76\u975e\u5982\u6b64\uff0c\u8fd9\u5c31\u662f\u7aef\u53e3\u626b\u63cf\u6280\u672f\u5728\u670d\u52a1\u5224\u5b9a\u4e0a\u7684\u6839\u672c\u7f3a\u9677\u3002<\/p>\n<p><strong>3.4.2 BANNER<\/strong><\/p>\n<p>Banner\u7684\u65b9\u5f0f\u76f8\u5bf9\u7cbe\u786e\uff0c\u83b7\u53d6\u670d\u52a1\u7684banner\uff0c\u662f\u4e00\u79cd\u6bd4\u8f83\u6210\u719f\u7684\u6280\u672f\uff0c\u53ef\u4ee5\u7528\u6765\u5224\u5b9a\u5f53\u524d\u8fd0\u884c\u7684\u670d\u52a1\uff0c\u5bf9\u670d\u52a1\u7684\u5224\u5b9a\u8f83\u4e3a\u51c6\u786e\u3002\u800c\u4e14\u4e0d\u4ec5\u80fd\u5224\u5b9a\u670d\u52a1\uff0c\u8fd8\u80fd\u591f\u5224\u5b9a\u5177\u4f53\u7684\u670d\u52a1\u7248\u672c\u4fe1\u606f\u3002\u4f8b\u5982\u4e0b\u56fe\uff0c\u6839\u636e\u5934\u90e8\u4fe1\u606f\u53d1\u73b0\u5bf9\u65b9\u662fredhat linux\uff0c\u57fa\u672c\u4e0a\u53ef\u4ee5\u9501\u5b9a\u670d\u52a1\u7684\u771f\u5b9e\u6027\u3002<\/p>\n<table class=\"ln\" border=\"1\" cellspacing=\"0\" align=\"center\" bgcolor=\"#ddddd0\">\n<tbody>\n<tr>\n<td bgcolor=\"#ffffff\"><a href=\"http:\/\/new.51cto.com\/files\/uploadimg\/20081204\/144751643.png\" target=\"_blank\"><img loading=\"lazy\" decoding=\"async\" class=\"fit-image\" style=\"zoom: 80%;\" src=\"http:\/\/images.51cto.com\/files\/uploadimg\/20081204\/144751643.png\" alt=\"\" width=\"444\" height=\"139\" border=\"0\" \/><\/a><\/td>\n<\/tr>\n<tr>\n<td class=\"it\" align=\"center\" bgcolor=\"#dddddd\">\u56fe5<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u8fd9\u79cd\u6280\u672f\u6bd4\u8f83\u7075\u6d3b\u3002\u50cfhttp,ftp,telnet\u90fd\u80fd\u591f\u83b7\u53d6\u4e00\u4e9bbanner\u4fe1\u606f\u3002\u4e3a\u4e86\u5224\u65ad\u670d\u52a1\u7c7b\u578b\u3001\u5e94\u7528\u7248\u672c\u3001OS\u5e73\u53f0\uff0c\u901a\u8fc7\u6a21\u62df\u5404\u79cd\u534f\u8bae\u521d\u59cb\u5316\u63e1\u624b\uff0c\u5c31\u53ef\u4ee5\u83b7\u53d6\u4fe1\u606f \u3002<\/p>\n<p>\u4f46\u662f\u5728\u5b89\u5168\u610f\u8bc6\u666e\u904d\u63d0\u5347\u7684\u4eca\u5929\uff0c \u5bf9Banner\u7684\u4f2a\u88c5\u5bfc\u81f4\u7cbe\u5ea6\u5927\u5e45\u964d\u4f4e\u3002\u4f8b\u5982IIS&amp;Apache\uff1a\u4fee\u6539\u5b58\u653eBanner\u4fe1\u606f\u7684\u6587\u4ef6\u5b57\u6bb5\u8fdb\u884c\u4fee\u6539\uff0c\u8fd9\u79cd\u4fee\u6539\u7684\u5f00\u9500\u5f88\u4f4e\u3002\u73b0\u5728\u6d41\u884c\u7684\u4e00\u4e2a\u4f2a\u88c5\u5de5\u5177Servermask \uff0c\u4e0d\u4ec5\u80fd\u591f\u4f2a\u9020\u591a\u79cd\u4e3b\u6d41Web\u670d\u52a1\u5668Banner\uff0c\u8fd8\u80fd\u4f2a\u9020Http\u5e94\u7b54\u5934\u4fe1\u606f\u91cc\u7684\u9879\u7684\u5e8f\u5217\u3002<\/p>\n<p>\u4f7f\u7528\u524d<\/p>\n<table class=\"ln\" border=\"1\" cellspacing=\"0\" align=\"center\" bgcolor=\"#ddddd0\">\n<tbody>\n<tr>\n<td bgcolor=\"#ffffff\"><a href=\"http:\/\/new.51cto.com\/files\/uploadimg\/20081204\/144801107.png\" target=\"_blank\"><img loading=\"lazy\" decoding=\"async\" class=\"fit-image\" src=\"http:\/\/images.51cto.com\/files\/uploadimg\/20081204\/144801107.png\" alt=\"\" width=\"394\" height=\"171\" border=\"0\" \/><\/a><\/td>\n<\/tr>\n<tr>\n<td class=\"it\" align=\"center\" bgcolor=\"#dddddd\">\u56fe6<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u4f7f\u7528\u540e<\/p>\n<table class=\"ln\" border=\"1\" cellspacing=\"0\" align=\"center\" bgcolor=\"#ddddd0\">\n<tbody>\n<tr>\n<td bgcolor=\"#ffffff\"><a href=\"http:\/\/new.51cto.com\/files\/uploadimg\/20081204\/144855946.png\" target=\"_blank\"><img loading=\"lazy\" decoding=\"async\" class=\"fit-image\" style=\"zoom: 80%;\" src=\"http:\/\/images.51cto.com\/files\/uploadimg\/20081204\/144855946.png\" alt=\"\" width=\"422\" height=\"186\" border=\"0\" \/><\/a><\/td>\n<\/tr>\n<tr>\n<td class=\"it\" align=\"center\" bgcolor=\"#dddddd\">\u56fe7<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u53d8\u7684\u4e0d\u4ec5\u662f\u7ea2\u8272\u7684\u90e8\u5206\uff0c\u800c\u4e14\u6574\u4e2a\u8fd4\u56de\u5e8f\u5217\u90fd\u53d8\u5316\u4e86\u3002\u8fd9\u4e2a\u53d8\u5316\u662f\u624b\u5de5\u96be\u5df2\u4fee\u6539\u7684\u3002\u5982\u679c\u4e0d\u80fd\u6210\u529f\u7684\u4fee\u6539\u5e8f\u5217\uff0c\u90a3\u5c31\u53ef\u80fd\u7ed9\u6709\u7ecf\u9a8c\u7684\u6e17\u900f\u8005\u63d0\u4f9b\u4f9d\u636e\u3002<\/p>\n<p><strong>3.4.3 \u6307\u7eb9\u6280\u672f<\/strong><\/p>\n<p>\u6307\u7eb9\u6280\u672f\u5229\u7528TCP\/IP\u534f\u8bae\u6808\u5b9e\u73b0\u4e0a\u7684\u7279\u70b9\u6765\u8fa8\u8bc6\u4e00\u4e2a\u64cd\u4f5c\u7cfb\u7edf\u3002\u53ef\u8fa8\u8bc6\u7684OS\u7684\u79cd\u7c7b\uff0c\u5305\u62ec\u54ea\u4e9b\u64cd\u4f5c\u7cfb\u7edf\uff0c\u751a\u81f3\u5c0f\u7248\u672c\u53f7\u3002\u6307\u7eb9\u6280\u672f\u6709\u4e3b\u52a8\u548c\u88ab\u52a8\u4e24\u79cd\u3002<\/p>\n<p>\u4e3b\u52a8\u8bc6\u522b\u6280\u672f\uff1a\u91c7\u7528\u4e3b\u52a8\u53d1\u5305\uff0c\u5229\u7528\u591a\u6b21\u7684\u8bd5\u63a2\uff0c\u53bb\u4e00\u6b21\u4e00\u6b21\u7b5b\u9009\u4e0d\u540c\u4fe1\u606f\uff0c\u6bd4\u5982\u6839\u636eACK\u503c\u5224\u65ad\uff0c\u6709\u4e9b\u7cfb\u7edf\u4f1a\u53d1\u9001\u56de\u6240\u786e\u8ba4\u7684TCP\u5206\u7ec4\u7684\u5e8f\u5217\u53f7\uff0c\u6709\u4e9b\u4f1a\u53d1\u56de\u5e8f\u5217\u53f7\u52a01\u3002\u8fd8\u6709\u4e00\u4e9b\u64cd\u4f5c\u7cfb\u7edf\u4f1a\u4f7f\u7528\u4e00\u4e9b\u56fa\u5b9a\u7684tcp\u7a97\u53e3\u3002\u67d0\u4e9b\u64cd\u4f5c\u7cfb\u7edf\u8fd8\u4f1a\u8bbe\u7f6eIP\u5934\u7684DF\u4f4d\u6765\u6539\u5584\u6027\u80fd\u3002\u8fd9\u4e9b\u90fd\u6210\u4e3a\u5224\u65ad\u7684\u4f9d\u636e\u3002\u8fd9\u79cd\u6280\u672f\u5224\u5b9awindows\u7684\u7cbe\u5ea6\u6bd4\u8f83\u5dee\uff0c\u53ea\u80fd\u591f\u5224\u5b9a\u4e00\u4e2a\u5927\u81f4\u533a\u95f4\uff0c\u5f88\u96be\u5224\u5b9a\u51fa\u5176\u7cbe\u786e\u7248\u672c\uff0c\u4f46\u662f\u5728unix\uff0c\u7f51\u7edc\u8bbe\u5907\u65f6\u751a\u81f3\u53ef\u4ee5\u5224\u5b9a\u51fa\u5c0f\u7248\u672c\u53f7\uff0c\u6bd4\u8f83\u7cbe\u786e\u3002\u5982\u679c\u76ee\u6807\u4e3b\u673a\u4e0e\u6e90\u4e3b\u673a\u8df3\u6570\u8d8a\u591a\uff0c\u7cbe\u5ea6\u8d8a\u5dee\u3002\u56e0\u4e3a\u6570\u636e\u5305\u91cc\u7684\u5f88\u591a\u7279\u5f81\u503c\u5728\u4f20\u8f93\u8fc7\u7a0b\u4e2d\u90fd\u5df2\u7ecf\u88ab\u4fee\u6539\u6216\u6a21\u7cca\u5316\uff0c\u4f1a\u5f71\u54cd\u5230\u63a2\u6d4b\u7684\u7cbe\u5ea6\u3002nmap \u2013O\u53c2\u6570\u5c31\u662f\u5176\u4ee3\u8868\u3002<\/p>\n<p>\u88ab\u52a8\u8bc6\u522b\u6280\u672f\uff1a\u4e0d\u662f\u5411\u76ee\u6807\u7cfb\u7edf\u53d1\u9001\u5206\u7ec4\uff0c\u800c\u662f\u88ab\u52a8\u76d1\u6d4b\u7f51\u7edc\u901a\u4fe1\uff0c\u4ee5\u786e\u5b9a\u6240\u7528\u7684\u64cd\u4f5c\u7cfb\u7edf\u3002\u5229\u7528\u5bf9\u62a5\u5934\u5185DF\u4f4d\uff0cTOS\u4f4d\uff0c\u7a97\u53e3\u5927\u5c0f\uff0cTTL\u7684\u55c5\u63a2\u5224\u65ad\u3002\u56e0\u4e3a\u5e76\u4e0d\u9700\u8981\u53d1\u9001\u6570\u636e\u5305\uff0c\u53ea\u9700\u8981\u6293\u53d6\u5176\u4e2d\u7684\u62a5\u6587\uff0c\u6240\u4ee5\u53eb\u505a\u88ab\u52a8\u8bc6\u522b\u6280\u672f\u3002\u4f8b\u5982telnet\u5bf9\u65b9\uff0c\u5e76\u7528snort\u76d1\u542c\u6570\u636e\u5305\uff1a<\/p>\n<table width=\"400\" border=\"1\" cellspacing=\"0\" cellpadding=\"2\" align=\"center\">\n<tbody>\n<tr>\n<td class=\"code\" bgcolor=\"#e6e6e6\">\n<pre>TCP TTL:255 TOS:0x0 ID:58955 DF**S***A* Seq:0xD3B709A4 Ack:0xBE09B2B7 Win:0x2798 TCP Options =&gt; NOP NOP TS:9688775 9682347 NOP WS:0 MSS:1460<\/pre>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u5f97\u5230\u8fd9\u4e9b\u4fe1\u606f\u540e\uff0c\u719f\u6089\u7cfb\u7edf\u7684\u4eba\u53ef\u731c\u6d4b\u5230\u64cd\u4f5c\u7cfb\u7edf\u662fSolaris 2.6-2.7\u3002\u5728nmap\u4e2d\uff0c\u4e5f\u6709\u64cd\u4f5c\u7cfb\u7edf\u7684\u6307\u7eb9\u5e93\uff0c\u53ef\u4ee5\u4ece\u6307\u7eb9\u5e93\u4e2d\u53bb\u5339\u914d\u3002\u5176\u4ee3\u8868\u626b\u63cf\u5de5\u5177\u6709 Siphon\uff0c\u5929\u773c\u3002<\/p>\n<p>ICMP\u6307\u7eb9\u8bc6\u522b\u6280\u672f \uff1a\u8fd9\u79cd\u5de5\u5177\u7684\u51fa\u73b0\u8f83\u665a\uff0c\u5927\u6982\u57282001-2002\u5e74\uff0c\u5728\u9ed1\u5e3d\u5927\u4f1a\u4e0a\u63d0\u51fa\uff0c\u5e76\u5f00\u53d1\u51fa\u76f8\u5e94\u7684\u5de5\u5177xprobe\uff0c\u5176\u4f18\u52bf\u662f\u53ea\u9700\u8981\u901a\u8fc7icmp\uff0c\u53d1\u9001\u4e00\u6279UDP\u5305\u7ed9\u9ad8\u7aef\u5173\u95ed\u7684\u7aef\u53e3\uff0c\u7136\u540e\u8ba1\u7b97\u8fd4\u56de\u6765\u7684\u4e0d\u53ef\u8fbe\u9519\u8bef\u6d88\u606f\u3002\u901a\u5e38\u60c5\u51b5\u4e0b\u9001\u56deIP\u5934+8\u4e2a\u5b57\u8282\uff0c\u4f46\u662f\u4e2a\u522b\u7cfb\u7edf\u9001\u56de\u7684\u6570\u636e\u66f4\u591a\u4e00\u4e9b\u3002\u6839\u636eICMP\u56de\u5e94\u7684TOS\u3001TTL\u503c\u3001\u6821\u9a8c\u548c\u7b49\u4fe1\u606f\uff0c\u901a\u8fc7\u8fd9\u4e9b\u4fe1\u606f\u4ee5\u6811\u72b6\u7684\u5f62\u5f0f\u53bb\u8fc7\u6ee4\uff0c\u6700\u7ec8\u7cbe\u786e\u9501\u5b9a\u3002\u4e0b\u56fe\u53ea\u662f\u6574\u4e2a\u5224\u5b9a\u8fc7\u7a0b\u4e2d\u7684\u4e00\u5c0f\u91cf\u90e8\u5206\uff0c\u7c7b\u4f3c\u7684\u56fe\u8fd8\u6709\u5f88\u591a\u5f20\u3002<\/p>\n<table class=\"ln\" border=\"1\" cellspacing=\"0\" align=\"center\" bgcolor=\"#ddddd0\">\n<tbody>\n<tr>\n<td bgcolor=\"#ffffff\"><a href=\"http:\/\/new.51cto.com\/files\/uploadimg\/20081204\/144906151.png\" target=\"_blank\"><img loading=\"lazy\" decoding=\"async\" class=\"fit-image\" style=\"width: 498px; zoom: 60%; height: 637px;\" src=\"http:\/\/images.51cto.com\/files\/uploadimg\/20081204\/144906151.png\" alt=\"\" width=\"608\" height=\"651\" border=\"0\" \/><\/a><\/td>\n<\/tr>\n<tr>\n<td class=\"it\" align=\"center\" bgcolor=\"#dddddd\">\u56fe8<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u4f8b\u5982TTL\u503c\uff0c\u5f53\u4f60\u53d1\u9001icmp \u7684echo\u8bf7\u6c42\uff0c\u5bf9\u65b9\u56de\u5e94\u7684ttl\u503c\u662f\u6709\u4e00\u5b9a\u89c4\u5f8b\u53ef\u5faa\u7684\uff0c\u4e00\u822c\u662f4\u4e2a\u6570\u503c\uff0c32\uff08win95\uff0c\u552f\u4e00\u503c\u4e3a32\u7684\u64cd\u4f5c\u7cfb\u7edf\uff09\uff0c64\uff0c128\uff08windows\u5bb6\u65cf\uff0c\u53ea\u6709win95\u4f8b\u5916\uff09\uff0c256\u300264\u548c256\u6bd4\u8f83\u96be\u4ee5\u5206\u8fa8\uff0c\u5927\u591a\u6570\u7684unix\u548clinux\u90fd\u53ef\u80fd\u662f\u3002 \u4ee3\u8868\u6027\u626b\u63cf\u5de5\u5177 Xprobe\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u968f\u7740\u4e92\u8054\u7f51\u7684\u98de\u901f\u53d1\u5c55,\u7f51\u7edc\u5b89\u5168\u9010\u6e10\u6210\u4e3a\u4e00\u4e2a\u6f5c\u5728\u7684\u5de8\u5927\u95ee\u9898\uff0c\u5982\u4f55\u4fdd\u969c\u81ea\u8eab\u7f51\u7edc\u7684\u5b89\u5168 &hellip;<\/p>\n<p class=\"read-more\"><a href=\"http:\/\/zerobox.org\/notes\/24.html\">\u7ee7\u7eed\u9605\u8bfb &raquo;<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[],"tags":[72,73],"class_list":["post-24","post","type-post","status-publish","format-standard","hentry","tag-72","tag-73"],"views":739,"_links":{"self":[{"href":"http:\/\/zerobox.org\/notes\/wp-json\/wp\/v2\/posts\/24","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/zerobox.org\/notes\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/zerobox.org\/notes\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/zerobox.org\/notes\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/zerobox.org\/notes\/wp-json\/wp\/v2\/comments?post=24"}],"version-history":[{"count":0,"href":"http:\/\/zerobox.org\/notes\/wp-json\/wp\/v2\/posts\/24\/revisions"}],"wp:attachment":[{"href":"http:\/\/zerobox.org\/notes\/wp-json\/wp\/v2\/media?parent=24"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/zerobox.org\/notes\/wp-json\/wp\/v2\/categories?post=24"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/zerobox.org\/notes\/wp-json\/wp\/v2\/tags?post=24"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}