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[vc_row el_class=”blog-detail-section”][vc_column][vc_column_text]\u67b6\u8a2d\u7db2\u7ad9\u662f\u8a31\u591a\u4f01\u696d\u548c\u500b\u4eba\u7684\u8feb\u5207\u9700\u6c42,\u4f46\u9762\u5c0d\u6602\u8cb4\u7684\u4f3a\u670d\u5668\u8cbb\u7528,\u514d\u8cbb\u4f3a\u670d\u5668<\/a>\u6210\u4e86\u4e00\u500b\u8a98\u4eba\u7684\u9078\u64c7\u3002\u7136\u800c,\u5929\u4e0b\u6c92\u6709\u767d\u5403\u7684\u5348\u9910\u3002\u9019\u4e9b\u770b\u4f3c\u4fbf\u5b9c\u751a\u81f3\u514d\u8cbb\u7684\u4f3a\u670d\u5668,\u80cc\u5f8c\u96b1\u85cf\u8457\u96e3\u4ee5\u9810\u6599\u7684\u5b89\u5168\u96b1\u6182\u3002\u8eab\u70ba\u6280\u8853\u4eba\u54e1,\u6211\u5011\u6709\u5fc5\u8981\u8a8d\u6e05\u9019\u4e9b\u98a8\u96aa,\u4e26\u5b78\u6703\u53ca\u6642\u767c\u73fe\u548c\u61c9\u5c0d\u5371\u6a5f,\u907f\u514d\u7db2\u7ad9\u6dea\u9677,\u5229\u76ca\u53d7\u640d\u3002[\/vc_column_text][\/vc_column][\/vc_row][vc_row el_class=”blog-detail-section”][vc_column][vc_column_text]<\/p>\n

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\n
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1. \u6aa2\u67e5\u7cfb\u7d71\u65e5\u8a8c,\u53ca\u6642\u767c\u73fe\u53ef\u7591\u884c\u70ba<\/strong><\/h3>\n
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\n
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\u4fee\u6539\u7cfb\u7d71\u95dc\u9375\u6a94\u6848\u5982\/etc\/passwd\u7684\u64cd\u4f5c\u8a18\u9304<\/li>\n
\u5927\u91cf\u8a2a\u554f\u654f\u611f\u76ee\u9304\u5982\/admin,\/backup\u7684\u8acb\u6c42<\/li>\n
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\u4f7f\u7528grep,awk\u7b49Linux\u547d\u4ee4\u53ef\u4ee5\u65b9\u4fbf\u5730\u904e\u6ffe\u548c\u5206\u6790\u65e5\u8a8c:<\/p>\n
`$ grep 'Failed password' \/var\/log\/secure \/\/ \u6aa2\u67e5SSH\u66b4\u529b\u7834\u89e3\r\n$ awk '$9 == 404 {print $7}' access.log | sort | uniq -c | sort -nr \/\/ \u7d71\u8a08\u8a2a\u554f\u5931\u6557\u7684URL<\/code><\/pre>\n`2. 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