{"id":963,"date":"2016-05-12T17:18:44","date_gmt":"2016-05-12T09:18:44","guid":{"rendered":"http:\/\/w3c.weblink.com.tw\/si\/?p=963"},"modified":"2016-05-12T17:20:32","modified_gmt":"2016-05-12T09:20:32","slug":"zni-zyxel-network-insight-%e6%96%b0%e4%b8%80%e4%bb%a3%e7%b6%b2%e8%b7%af%e7%b6%ad%e9%81%8b%e5%b9%b3%e5%8f%b0","status":"publish","type":"post","link":"https:\/\/w3c.weblink.com.tw\/si\/?p=963","title":{"rendered":"ZNI – ZyXEL Network Insight \u65b0\u4e00\u4ee3\u7db2\u8def\u7dad\u904b\u5e73\u53f0"},"content":{"rendered":"

\"ZyXEL<\/p>\n

\u50b3\u7d71\u7db2\u7ba1\u8edf\u9ad4\u53ea\u8457\u91cd\u8a2d\u5099\u548c\u7dda\uf937\uf9fa\u614b\u7684\u76e3\u63a7\u8207\u914d\u7f6e\u7ba1\uf9e4\uff0c\u9032\u968e\u7db2\u7ba1\u7cfb\u7d71\u6700\u591a\u518d\u88dc\u8db3\uf9ca\uf97e\u76e3\u63a7\u548c\u8a18\uf93f\u5132\u5b58\u80fd\uf98a\uff0c\u7136\u800c\u9762\u5c0d\u65e5\uf962\u8907\u96dc\u7684\u7db2\uf937\u61c9\u7528\u74b0\u5883\uff0c\u55ae\u7368\u7684\u7db2\uf937\u76e3\u63a7\u7ba1\uf9e4\u5df2\u7d93\uf967\u8db3\u4ee5\u61c9\u4ed8\u65e5\u5e38\u7dad\u904b\u6240\u906d\u9047\u5230\u7684\u554f\u984c\u3002\u6839\u64daMIS\u7ba1\u7406\u4eba\u54e1\u7684\u9700\u6c42\u8a2a\u8ac7\u7d71\u8a08\uff0c\u4f7f\u7528\u8005\u6700\u5e38\u9047\u5230\u4e14\u96e3\u4ee5\u89e3\u6c7a\u7684\u591a\u70ba\u7cfb\u7d71\u6027\u554f\u984c\u3002\uf9b5\u5982\u7db2\uf937\u8a2d\u5099\u906d\u53d7\u653b\u64ca\u6216\u4f7f\u7528\uf962\u5e38\u9020 \u6210\u7db2\uf937\u6548\u80fd\u8b8a\u6162\u7b49\uff0c\u5f80\u5f80\u8981\u8017\u8cbb\u5f88\u9577\u7684\u6642\u9593\u624d\u80fd\u627e\u51fa\u554f\u984c\u6839\u6e90\uff0c\uf92a\u8cbb\u4f7f\u7528\u8005\u8207\u7ba1\u7406\u4eba\u54e1\u5bf6\u8cb4\u7684\u6642\u9593\u548c\u8cc7\u6e90\u3002<\/p>\n

\u73fe\u4eca\u7db2\u8def\u8a2d\u5099\u3001\u4f3a\u670d\u5668\u8207\u8cc7\u5b89\u7522\u54c1\u591a\u80fd\u652f\u63f4Syslog\u6216Flow\u6d41\u91cf\u8cc7\u6599\u8f38\u51fa\u529f\u80fd\u3002\u5c0dIT\u4eba\u54e1\u4f86\u8aaa\uff0c\u8a0a\u606f\u5b8c\u6574\u7684Syslog Data\u63d0\u4f9b\u4e86\u975e\u5e38\u7c21\u6613\u7684\u67e5\u8a62\u57fa\u790e\uff0c\u800cFlow Record\u5247\u662f\u4e86\u89e3\u7db2\u8def\u7528\u91cf\u7684\u6700\u4f73\u5e6b\u624b\u3002<\/p>\n

\u5408\u52e4\u79d1\u6280ZyXEL Network Insight (ZNI) \u65b0\u4e00\u4ee3\u7db2\u8def\u7dad\u904b\u5e73\u53f0\u63a1\u7528\u591a\u9805\u5275\u65b0\u6280\u8853\uff0c\u9664\u4e86\u5177\u5099Syslog\uff0fFlow\u8a0a\u606f\u8490\u96c6\u3001\u5132\u5b58\u3001\u5373\u6642\u5206\u6790\u3001\u67e5\u8a62\u8207\u5831\u8868\u88fd\u4f5c\u7b49\u529f\u80fd\u4e4b\u5916\uff0c\u7279\u9ede\u662f\u53ef\u4ee5\u57f7\u884cSyslog\u8207Flow\u9593\u7684\u95dc\u806f\u6027\u5206\u6790(Correlation)\uff0c\u5c07Flow\u7684L3\/L4\u5c01\u5305\u4f4d\u5143\u6578\u64da\u8207Syslog\u7684L7\u4e8b\u4ef6\u5167\u5bb9\u5b8c\u7f8e\u7d50\u5408\uff0c\u8b93IT\u7ba1\u7406\u8005\u5b8c\u5168\u638c\u63e1\u7db2\u8def\u4f7f\u7528\u7d30\u7bc0\u3002ZNI\u5b8c\u7f8e\u7d50\u5408SNMP\u3001Syslog\u8207Flow\u4e09\u5927\u7db2\u7ba1\u6280\u8853\uff0c\u6548\u80fd\u512a\u8d8a\u3001\u529f\u80fd\u5f37\u5927\u3001\u64cd\u4f5c\u89aa\u548c\uff0c\u771f\u6b63\u6eff\u8db3\u73fe\u4ee3IT\u7ba1\u7406\u7684\u7db2\u8def\u7dad\u904b\u5e73\u53f0\u3002<\/p>\n

\u8edf\u786c\u9ad4\u5b8c\u7f8e\u7d50\u5408<\/strong><\/h3>\n

\u7814\u767c\u5718\u968a\u591a\u5e74\u5c08\u6ce8\u65bc\u5de8\u91cf\u8cc7\u6599\u7684\u9ad8\u6548\u7387\u6536\u96c6\u3001\u5132\u5b58\u53ca\u5206\u6790\uff0c\u904b\u7528\u81ea\u884c\u958b\u767c\u7684\u8cc7\u6599\u5eab\u512a\u5316\u6280\u8853\uff0c\u5c07\u8cc7\u6599\u641c\u5c0b\u8207\u7d71\u8a08\u6392\u5e8f\u6240\u9700\u6642\u9593\u7e2e\u6e1b\u81f3\u6700\u77ed\u3002\u7d93\u904e\u5be6\u969b\u74b0\u5883\u7684\u9a57\u8b49\uff0c\u7d71\u8a081\u5343\u842c\u7b46Syslog Data\u88fd\u4f5c\u6210 TOP 1,000\u5831\u8868\u50c5\u970048\u79d2\u9418\uff1b\u800c\u57281\u5104\u7b46Flow Records\u4e2d\u627e\u5c0b\u4e00\u500b\u6216\u591a\u500b\u7279\u5b9aIP\uff0c\u5247\u50c5\u8017\u6642250\u79d2\u3002
\n\u8981\u5b8c\u6574\u5448\u73feSyslog\uff0fFlow\u4e8b\u4ef6\u8207\u6d41\u91cf\u5167\u5bb9\uff0c\u4e26\u78ba\u4fdd\u6b63\u78ba\u7d71\u8a08\u7d50\u679c\uff0cSyslog\uff0fFlow\u8cc7\u6599\u4e0d\u5bb9\u4e1f\u5931\u3002ZNI\u63d0\u4f9b\u9ad8\u9054\u6bcf\u79d2\u941810,000\u7b46\u7684 Syslog Data\u63a5\u6536\u6548\u80fd\uff0c\u53ef\u63a5\u6536\u591a\u9054500\u90e8\u8a2d\u5099\u7684\u8cc7\u6599\uff1b\u6700\u9ad8\u7b49\u7d1aFlow\u6a21\u7d44\u5177\u5099\u8d85\u904e\u6bcf\u79d2\u941820,000\u7b46\u4ee5\u4e0a\u7684Flow Records\u63a5\u6536\u80fd\u529b\uff0c\u78ba\u4fdd\u5728\u4efb\u4f55\u60c5\u6cc1\u90fd\u4e0d\u6703\u4e1f\u5931\u8a2d\u5099\u8f38\u51fa\u7684\u8cc7\u6599\u3002<\/p>\n

\u540c\u6642\u8f38\u5165\u591a\u7b46\u67e5\u8a62\u689d\u4ef6\u9032\u884c\u908f\u8f2f\u904b\u7b97\u8207\u88fd\u4f5c\u5831\u8868<\/strong><\/h3>\n

\u7dad\u904b\u6b77\u7a0b\u4e2d\uff0c\u5927\u90e8\u5206\u6642\u9593\u9700\u8981\u57f7\u884c\u8cc7\u6599\u67e5\u8a62\u3002\u7576\u63a5\u6536\u7684Syslog\uff0fFlow\u8cc7\u6599\u8d8a\u4f86\u8d8a\u591a\uff0c\u5fc5\u9808\u652f\u63f4\u5f48\u6027\u7684\u641c\u5c0b\u689d\u4ef6\u8f38\u5165\u8207\u5feb\u901f\u67e5\u8a62\u7d50\u679c\u5448\u73fe\uff0c\u9019\u662f\u4f7f\u7528\u8005\u5c0d\u5831\u8868\u5de5\u5177\u7684\u57fa\u672c\u8981\u6c42\u3002 ZNI\u63d0\u4f9b\u667a\u6167\u578b\u67e5\u8a62\u529f\u80fd\uff0c\u642d\u914d\u908f\u8f2f\u904b\u7b97\u6982\u5ff5\u80fd\u8b93\u4f7f\u7528\u8005\u5b8c\u6210\u5404\u5f0f\u5404\u6a23\u8981\u6c42\u7684\u67e5\u8a62\u5de5\u4f5c\u3002\u908f\u8f2f\u904b\u7b97\u662f\u6307\u591a\u500b\u67e5\u8a62\u689d\u4ef6\u9593\u4ee5\u806f\u96c6(Or)\u548c\u6392\u9664(Not)\u6982\u5ff5\u5efa\u7acb\u7684\u95dc\u806f\u6027\u7d50\u679c\u3002ZNI\u4e0d\u50c5\u652f\u63f4\u300c\u4e8b\u4ef6\u95dc\u9375\u5b57\u300d\u7684\u908f\u8f2f\u904b\u7b97\uff0c\u4f7f\u7528\u8005\u4ea6\u53ef\u91dd\u5c0d\u300cIP\u300d\u9078\u9805\u9032\u884c\u908f\u8f2f\u904b\u7b97\uff0c\u4e8b\u4ef6\u641c\u5c0b\u689d\u4ef6\u53ef\u4ee5\u4f9d\u64da\u5be6\u969b\u9700\u6c42\u6c92\u6709\u8f38\u5165\u4e0a\u9650\u3002
\nZNI\u300aSmart DB\u300b\u63d0\u4f9b\u5feb\u901f\u67e5\u8a62\u4e8b\u4ef6\u80fd\u529b\uff0c\u8b93\u908f\u8f2f\u904b\u7b97\u6a5f\u5236\u4e0d\u56e0\u57f7\u884c\u5927\u91cf\u689d\u4ef6\u6bd4\u5c0d\uff0c\u800c\u5ef6\u9072\u641c\u5c0b\u7d50\u679c\u7684\u5448\u73fe\u3002<\/p>\n

Flow \u6a21\u7d44\u9032\u884c\u7528\u91cf\u5206\u6790<\/strong><\/h3>\n

Flow\u8cc7\u6599\u5728\u7db2\u7ba1\u7528\u91cf\u5206\u6790\u7684\u89d2\u8272\u975e\u5e38\u91cd\u8981\uff0cIT\u7ba1\u7406\u8005\u85c9\u7531Flow\u8cc7\u6599\u4e86\u89e3\u54ea\u500bIP\u6216\u55ae\u4f4d\u7528\u91cf\u6700\u591a\uff0c\u6216\u8005\u54ea\u7a2eProtocol\u4f54\u53bb\u6700\u591a\u7684\u983b\u5bec\u8cc7\u6e90\u7b49\u8a0a\u606f\u3002
\nZNI\u52a0\u88ddFlow\u6a21\u7d44\u5f8c\uff0c\u53ef\u6eff\u8db3IT\u7ba1\u7406\u8005\u5c0d\u6d41\u91cf\u5206\u6790\u7684\u9700\u6c42\uff0c\u8af8\u5982\uff1a\u6bcf\u65e5\u7528\u91cf\u6392\u884c\u3001\u91dd\u5c0d\u7279\u5b9a\u5c0d\u8c61\u9577\u671f\u7e6a\u88fd\u6d41\u91cf\u5716\u3001\u67e5\u8a62\u7279\u5b9aIP\u6216\u7e54\u55ae\u4f4d\u7684\u6d41\u91cf\u4f7f\u7528\u7d00\u9304\u7b49\u3002
\n\u9664\u652f\u63f4\u8def\u7531\u5668\u6216\u4ea4\u63db\u5668\u6240\u9001\u51fa\u7684Netflow\uff0fsFlow\uff0fJflow\u7b49\u683c\u5f0f\u5916\uff0cZNI Flow\u6a21\u7d44\u4ea6\u53ef\u5728\u6c92\u6709 Flow\u8a2d\u5099\u7684\u74b0\u5883\u4e2d\uff0c \u5c07\u9632\u706b\u7246Traffic Syslog\u8f49\u63db\u70baFlow\u683c\u5f0f\u9032\u884c\u6d41\u91cf\u5206\u6790\u3002ZNI\u512a\u5316Flow\u8cc7\u6599\u7684\u5132\u5b58\uff0c\u5927\u5e45\u63d0\u5347\u67e5\u8a62\u53ca\u5831\u8868\u904b\u7b97\u6548\u80fd\u3002<\/p>\n

Syslog \u8207 Flow \u9593\u7684\u95dc\u806f\u6027\u6574\u5408\u904b\u7528<\/strong><\/h3>\n

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\nZNI\u6574\u5408\u8cc7\u5b89Syslog\u7684L7\u4f7f\u7528\u8005\u884c\u70ba\u8cc7\u6599\u8207Flow\u7684L3\/L4\u6d41\u91cf\u8cc7\u8a0a\uff0c\u5f97\u5230\u7db2\u8def\u904b\u4f5c\u5b8c\u6574\u8cc7\u8a0a\uff0c\u8b93IT\u7ba1\u7406\u8005\u5b8c\u5168\u638c\u63e1\u7db2\u8def\u4f7f\u7528\u7d30\u7bc0\u3002\u4f8b\u5982\uff0c\u7576IT\u7ba1\u7406\u8005\u5f9eFlow\u7684 TOP-N\u6392\u884c\u767c\u73fe\u67d0\u500bIP\u6216\u55ae\u4f4d\u50b3\u9001\u5927\u91cf\u5c01\u5305\uff0c\u6b64\u6642\u900f\u904eZNI\u7684\u95dc\u806f\u6027\u6574\u5408\u529f\u80fd\uff0c\u53ef\u4ee5\u5feb\u901f\u5f97\u77e5\u9019\u500b\u55ae\u4f4d\u7db2\u8def\u4f7f\u7528\u884c\u70ba\uff08\u4f8b\u5982P2P\u5206\u4eab\u6240\u7522\u751f\u5de8\u91cf\u5c01\u5305\uff09\u3002\u53cd\u4e4b\uff0c\u5f9e\u7b2c\u4e03\u5c64\u8cc7\u5b89\u8a2d\u5099\u63d0\u4f9b\u7684Syslog\u8a0a\u606f\u4e2d\u5bdf\u89ba\u67d0\u55ae\u4f4d\u906d\u53d7DDoS\u653b\u64ca\uff0c\u53ef\u4ee5\u85c9\u7531ZNI\u95dc\u806f\u6027\u6574\u5408\u529f\u80fd\u5f97\u5230DDoS\u653b\u64ca\u6d41\u91cf\u5716\uff0c\u4e26\u9032\u4e00\u6b65\u8ffd\u67e5\u653b\u64ca\u4f86\u6e90IP\uff0c\u4ee5\u9032\u884c\u9632\u79a6\uff0c\u4e5f\u53ef\u4ee5\u5f97\u77e5DDoS\u5c0d\u5167\u90e8\u7684\u5f71\u97ff\u7bc4\u570d\u3002<\/p>\n

\u8c50\u5bcc\u591a\u6a23\u7684\u5373\u6642\u7dda\u4e0a\u5831\u8868<\/strong><\/h3>\n

ZNI\u5373\u6642\u7dda\u4e0a\u5831\u8868\u7cfb\u7d71\u652f\u63f4\u52d5\u614b\u986f\u793a\u5831\u8868\u5167\u5bb9\u8207\u7d71\u8a08\u5716\u578b\u3002\u4f7f\u7528\u8005\u53ef\u9078\u64c7\u03c0\u72c0\u5716\u3001\u9577\u689d\u5716\u3001\u66f2\u7dda\u5716\u7b49\u9069\u5408\u6a23\u5f0f\u3002\u5831\u8868\u529f\u80fd\u540c\u6a23\u652f\u63f4\u908f\u8f2f\u904b\u7b97\u6982\u5ff5(Or\/Not)\uff0c\u4f7f\u7528\u8005\u53ef\u6839\u64da\u5be6\u969b\u72c0\u6cc1\uff0c\u908f\u8f2f\u7d50\u5408\u591a\u500b\u904e\u6ffe\u53c3\u6578\uff0c\u8b93\u5831\u8868\u7522\u751f\u7d50\u679c\u8cbc\u8fd1\u4f7f\u7528\u8005\u7684\u771f\u5be6\u6240\u9700\u3002\u4f8b\u5982\u4f3a\u670d\u5668\u906d\u53d7\u56b4\u91cd\u653b\u64ca\u4e8b\u4ef6\u65e5\u5831\u8868\u3001\u54e1\u5de5\u4f7f\u7528\u793e\u7fa4\u7db2\u7ad9\u8207\u4e32\u6d41\u5f71\u97f3\u6d41\u91cf\u9031\u5831\u8868\u3001\u8cc7\u6599\u5eab\u5b58\u53d6\u8a18\u9304\u6708\u7d71\u8a08\u7b49\u3002<\/p>\n

\u5b9a\u671f\u5bc4\u9001\u96e2\u7dda\u5831\u8868<\/strong><\/h3>\n

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\n\u91dd\u5c0d\u5404\u985e\u4e3b\u6a5f\u53ca\u8cc7\u6599\u5eab\u7cfb\u7d71\uff0cZNI\u63d0\u4f9b\u7b26\u5408\u500b\u8cc7\u6cd5\u9700\u6c42\u7684\u7a3d\u6838(Audit)\u65e5\u9031\u6708\u5831\u8868\uff0c\u5305\u542b\u4f7f\u7528\u8005\u767b\u5165\u767b\u51fa\u3001\u767b\u5165\u5931\u6557\u53ca\u5e33\u5bc6\u731c\u6e2c\u7b49\u7a3d\u6838\u65e5\u8a8c\u5831\u8868\u3002<\/p>\n

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\u7570\u5e38\u767b\u5165\u884c\u70ba\u5831\u8868<\/strong><\/h3>\n

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\"\"<\/p>\n

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\"\"<\/p>\n

Action\u6a21\u7d44\u57f7\u884c\u806f\u5408\u9632\u79a6<\/strong><\/h3>\n

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