{"id":71883,"date":"2026-02-04T13:48:51","date_gmt":"2026-02-04T05:48:51","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/71883.html"},"modified":"2026-02-04T13:48:51","modified_gmt":"2026-02-04T05:48:51","slug":"java%e5%bc%80%e5%8f%91%e5%b8%b8%e8%a7%81%e5%ae%89%e5%85%a8%e9%97%ae%e9%a2%98%ef%bc%9a%e7%99%bb%e5%bd%95%e5%b0%9d%e8%af%95%e6%ac%a1%e6%95%b0%e9%99%90%e5%88%b6%e5%8a%9f%e8%83%bd%e5%a4%b1%e6%95%88","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/71883.html","title":{"rendered":"JAVA\u5f00\u53d1\u5e38\u89c1\u5b89\u5168\u95ee\u9898\uff1a\u767b\u5f55\u5c1d\u8bd5\u6b21\u6570\u9650\u5236\u529f\u80fd\u5931\u6548"},"content":{"rendered":"

\u4e13\u680f\u94fe\u63a5<\/h2>\n

\u4e00\u3001\u6570\u636e\u7684\u6821\u9a8c<\/h3>\n
  • SQL\u6ce8\u5165<\/li>\n
  • \u547d\u4ee4\u6ce8\u5165<\/li>\n
  • \u8de8\u7ad9\u811a\u672c<\/li>\n
  • \u4efb\u610f\u6587\u4ef6\u4e0a\u4f20<\/li>\n
  • \u4efb\u610f\u6587\u4ef6\u4e0b\u8f7d<\/li>\n
  • \u4efb\u610f\u6587\u4ef6\u5220\u9664<\/li>\n
  • \u4efb\u610f\u6587\u4ef6\u8bfb\u53d6\u4e0e\u5199\u5165<\/li>\n
  • Iframe \u6846\u67b6\u9493\u9c7c<\/li>\n
  • \u8d1f\u503c\u652f\u4ed8\u6f0f\u6d1e<\/li>\n

    \u4e8c\u3001\u8ba4\u8bc1\u4e0e\u6388\u6743<\/h3>\n
  • \u5bc6\u7801\u4fee\u6539（\u65e0\u9700\u539f\u5bc6\u7801）<\/li>\n
  • \u5bc6\u7801\u7b56\u7565\u4e0d\u8db3<\/li>\n
  • \u7528\u6237\u540d\u5bc6\u7801（\u654f\u611f\u4fe1\u606f）\u660e\u6587\u4f20\u8f93<\/li>\n
  • \u9a8c\u8bc1\u7801\u53ef\u91cd\u590d\u5229\u7528<\/li>\n
  • \u7f3a\u5c11\u9a8c\u8bc1\u7801\u529f\u80fd<\/li>\n
  • \u7528\u6237\u540d\u679a\u4e3e（\u7528\u6237\u540d\u548c\u5bc6\u7801\u5355\u72ec\u9a8c\u8bc1）<\/li>\n

    \u8ba4\u8bc1\u4e0e\u6388\u6743：\u767b\u5f55\u5c1d\u8bd5\u6b21\u6570\u9650\u5236\u529f\u80fd\u5931\u6548<\/h2>\n

    \u6f0f\u6d1e\u63cf\u8ff0：<\/h3>\n

    \u4f5c\u4e3a\u767b\u5f55\u9875\u9762\u9632\u62a4\u63aa\u65bd\u7684\u4e00\u79cd，\u5f00\u53d1\u4eba\u5458\u6ce8\u91cd\u7684\u662f\u529f\u80fd\u80fd\u4e0d\u80fd\u7528，\u800c\u975e\u5b89\u4e0d\u5b89\u5168，\u601d\u7ef4\u4e0a\u6bd4\u8f83\u5e38\u89c4，\u5bfc\u81f4\u5728\u975e\u5e38\u89c4\u60c5\u51b5\u4e0b\u8fd9\u79cd\u9632\u62a4\u5374\u5f62\u540c\u865a\u8bbe\u3002<\/p>\n

    \u68c0\u6d4b\u65b9\u6cd5：<\/h3>\n

    \u68c0\u67e5\u7a0b\u5e8f\u4e2d\u662f\u5426\u5c06\u201c\u767b\u5f55\u9519\u8bef\u6b21\u6570\u201d\u4fdd\u5b58\u5728\u67d0\u4e2a\u5c40\u90e8\u53d8\u91cf\u4e2d\u3002\u68c0\u67e5\u8be5\u529f\u80fd\u6240\u9632\u62a4\u7684 URL \u662f\u5426\u6b63\u786e，\u662f\u5426\u5b58\u5728\u591a\u4e2a\u767b\u5f55\u7684URL\u3002<\/p>\n

    \u4e0d\u5408\u89c4\u7684\u4ee3\u7801\u793a\u4f8b：<\/h3>\n

    \/\/\u767b\u5f55\u9875\u9762\u4ee3\u7801：<\/span>
    \n<<\/span>form id=<\/span>"loginForm"<\/span> method=<\/span>"post"<\/span> action=<\/span>"${root}\/j_security_check"<\/span>><\/span>
    \n <<\/span>p class<\/span>=<\/span>"id error"<\/span>><\/span><<\/span>span><\/span><\/span><<\/span>input id=<\/span>"j_username"<\/span> name=<\/span>"j_username"<\/span>
    \n onKeyDown=<\/span>"onkeydownn();"<\/span> type=<\/span>"text"<\/span> autocomplete=<\/span>"off"<\/span>\/<\/span>><\/span><<\/span>\/<\/span>span><\/span><<\/span>\/<\/span>p><\/span>
    \n <<\/span>p><\/span><\/span><<\/span>span><\/span><\/span><<\/span>input id=<\/span>"j_password"<\/span> name=<\/span>"j_password"<\/span> onKeyDown=<\/span>"onkeydownn();"<\/span> type=<\/span>"password"<\/span> autocomplete=<\/span>"off"<\/span>\/<\/span>><\/span><<\/span>\/<\/span>span><\/span><<\/span>\/<\/span>p><\/span>
    \n <<\/span>p><\/span><\/span>
    \n <<\/span>span><\/span><\/span><<\/span>input id=<\/span>"j_vc"<\/span> name=<\/span>"j_vc"<\/span> onKeyDown=<\/span>"onkeydownn();"<\/span> type=<\/span>"text"<\/span> autocomplete=<\/span>"off"<\/span>\/<\/span>><\/span><<\/span>\/<\/span>span><\/span>
    \n <<\/span>span><\/span><\/span><<\/span>img src=<\/span>"${ctx }\/verifycode.jsp"<\/span> name=<\/span>"verifycode"<\/span> id=<\/span>"verifycode"<\/span> onClick=<\/span>"javascript:randomidbetter(this)"<\/span>\/<\/span>><\/span><<\/span>\/<\/span>span><\/span>
    \n <<\/span>\/<\/span>p><\/span>
    \n<<\/span>\/<\/span>form><\/span>
    \n\u7528\u6237\u767b\u5f55\u7684\u62e6\u622a\u5668\u4ee3\u7801\u5982\u4e0b：
    \nprivate<\/span> boolean<\/span> bfaCheck<\/span>(<\/span>HttpServletRequest<\/span> request,<\/span> HttpServletResponse<\/span> response)<\/span> {<\/span>
    \n String<\/span> requestUri =<\/span> request.<\/span>getRequestURI<\/span>(<\/span>)<\/span>;<\/span>
    \n String<\/span> query =<\/span> request.<\/span>getQueryString<\/span>(<\/span>)<\/span>;<\/span>
    \n String<\/span> ip =<\/span> request.<\/span>getRemoteAddr<\/span>(<\/span>)<\/span>;<\/span>
    \n BruteForceAttackInfo<\/span> info =<\/span> bfaInfos.<\/span>get<\/span>(<\/span>ip)<\/span>;<\/span>
    \n Date<\/span> now =<\/span> new<\/span> Date<\/span>(<\/span>)<\/span>;<\/span>
    \n if<\/span> (<\/span>info !=<\/span> null<\/span> &&<\/span> info.<\/span>getLockTime<\/span>(<\/span>)<\/span> !=<\/span> null<\/span> &&<\/span>
    \n now.<\/span>getTime<\/span>(<\/span>)<\/span> –<\/span> info.<\/span>getLockTime<\/span>(<\/span>)<\/span>.<\/span>getTime<\/span>(<\/span>)<\/span> <=<\/span> bfaLockTime)<\/span> {<\/span>
    \n logger.<\/span>info<\/span>(<\/span>"\u76d1\u6d4b\u5230\u767b\u5f55\u5931\u8d25\u6b21\u6570\u8fc7\u591a，\u5c06\u88ab\u7981\u6b62\u8bbf\u95ee5 \u5206\u949f. IP：{}"<\/span>,<\/span> ip)<\/span>;<\/span>
    \n request.<\/span>setAttribute<\/span>(<\/span>"err"<\/span>,<\/span> "\u62d2\u7edd\u8bbf\u95ee：\u767b\u5f55\u5931\u8d25\u6b21\u6570\u8fc7\u591a，\u7981\u6b62\u8bbf\u95ee 5 \u5206\u949f"<\/span>)<\/span>;<\/span>
    \n response.<\/span>setHeader<\/span>(<\/span>"err"<\/span>,<\/span> "iplock"<\/span>)<\/span>;<\/span>
    \n return<\/span> false<\/span>;<\/span>
    \n }<\/span><\/p>\n

    if<\/span> (<\/span>!<\/span>Util<\/span>.<\/span>isEmpty<\/span>(<\/span>requestUri)<\/span> &&<\/span> requestUri.<\/span>endsWith<\/span>(<\/span>"\/login.action"<\/span>)<\/span> &&<\/span> !<\/span>Util<\/span>.<\/span>isEmpty<\/span>(<\/span>query)<\/span> &&<\/span> query.<\/span>equals<\/span>(<\/span>"error=1"<\/span>)<\/span>)<\/span> {<\/span>
    \n if<\/span> (<\/span>info !=<\/span> null<\/span>)<\/span> {<\/span>
    \n if<\/span> (<\/span>info.<\/span>getTryStartTime<\/span>(<\/span>)<\/span> !=<\/span> null<\/span>)<\/span> {<\/span>
    \n if<\/span> (<\/span>now.<\/span>getTime<\/span>(<\/span>)<\/span> –<\/span> info.<\/span>getTryStartTime<\/span>(<\/span>)<\/span>.<\/span>getTime<\/span>(<\/span>)<\/span> <=<\/span> bfaTime)<\/span> {<\/span>
    \n int<\/span> tCount =<\/span> info.<\/span>getTryCount<\/span>(<\/span>)<\/span>;<\/span>
    \n if<\/span> (<\/span>tCount <=<\/span> bfaAllowNumber)<\/span> {<\/span>
    \n info.<\/span>setTryCount<\/span>(<\/span>++<\/span>tCount)<\/span>;<\/span>
    \n bfaInfos.<\/span>put<\/span>(<\/span>ip,<\/span> info)<\/span>;<\/span>
    \n return<\/span> true<\/span>;<\/span>
    \n }<\/span> else<\/span> {<\/span>
    \n info.<\/span>setLockTime<\/span>(<\/span>now)<\/span>;<\/span>
    \n bfaInfos.<\/span>put<\/span>(<\/span>ip,<\/span> info)<\/span>;<\/span>
    \n logger.<\/span>info<\/span>(<\/span>"\u76d1\u6d4b\u5230\u767b\u5f55\u5931\u8d25\u6b21\u6570\u8fc7\u591a，\u5c06\u88ab\u7981\u6b62\u8bbf\u95ee 5 \u5206\u949f. IP：{}"<\/span>,<\/span> ip)<\/span>;<\/span>
    \n request.<\/span>setAttribute<\/span>(<\/span>"err"<\/span>,<\/span> "\u62d2\u7edd\u8bbf\u95ee：\u767b\u5f55\u5931\u8d25\u6b21\u6570\u8fc7\u591a，\u7981\u6b62\u8bbf\u95ee 5 \u5206\u949f"<\/span>)<\/span>;<\/span>
    \n response.<\/span>setHeader<\/span>(<\/span>"err"<\/span>,<\/span> "iplock"<\/span>)<\/span>;<\/span>
    \n return<\/span> false<\/span>;<\/span>
    \n }<\/span>
    \n }<\/span> else<\/span> {<\/span>
    \n info.<\/span>setTryStartTime<\/span>(<\/span>now)<\/span>;<\/span>
    \n info.<\/span>setTryCount<\/span>(<\/span>1<\/span>)<\/span>;<\/span>
    \n info.<\/span>setLockTime<\/span>(<\/span>null<\/span>)<\/span>;<\/span>
    \n bfaInfos.<\/span>put<\/span>(<\/span>ip,<\/span> info)<\/span>;<\/span>
    \n return<\/span> true<\/span>;<\/span>
    \n }<\/span>
    \n }<\/span> else<\/span> {<\/span>
    \n info.<\/span>setTryStartTime<\/span>(<\/span>now)<\/span>;<\/span>
    \n info.<\/span>setTryCount<\/span>(<\/span>1<\/span>)<\/span>;<\/span>
    \n bfaInfos.<\/span>put<\/span>(<\/span>ip,<\/span> info)<\/span>;<\/span>
    \n return<\/span> true<\/span>;<\/span>
    \n }<\/span>
    \n }<\/span> else<\/span> {<\/span>
    \n BruteForceAttackInfo<\/span> newTry =<\/span> new<\/span>
    \n BruteForceAttackInfo<\/span>(<\/span>now,<\/span> 1<\/span>,<\/span> null<\/span>)<\/span>;<\/span>
    \n bfaInfos.<\/span>put<\/span>(<\/span>ip,<\/span> newTry)<\/span>;<\/span>
    \n return<\/span> true<\/span>;<\/span>
    \n }<\/span>
    \n }<\/span>
    \n return<\/span> true<\/span>;<\/span>
    \n}<\/span><\/p>\n

    \u4e0d\u5408\u89c4\u8bf4\u660e：<\/h3>\n

    \u7528\u6237\u767b\u5f55\u9875\u9762\u63d0\u4ea4\u540e\u53f0\u5904\u7406\u7684 URL \u4e3a\/j_security_check， \u8eab\u4efd\u8ba4\u8bc1\u5931\u8d25\u4e4b\u540e\u8df3\u8f6c\u7684\u8def\u5f84\u4e3a\/login.action\u3002\u6b64\u62e6\u622a\u5668\u53ea\u662f\u9488\u5bf9\u5931\u8d25\u4e4b\u540e\u7684\u8def\u5f84\u505a\u767b\u5f55\u5c1d\u8bd5\u6b21\u6570\u7684\u9650\u5236，\u800c\u5bf9 \/j_security_check \u5374\u672a\u505a\u540c\u6837\u7684\u5904\u7406\u3002\u5bfc\u81f4\u6b64\u62e6\u622a\u5668\u5f62\u540c\u865a\u8bbe\u3002<\/p>\n

    \u5408\u89c4\u7684\u4ee3\u7801\u793a\u4f8b：<\/h3>\n

    \/\/\u767b\u5f55\u9875\u9762\u4ee3\u7801：<\/span>
    \n<<\/span>form id=<\/span>"loginForm"<\/span> method=<\/span>"post"<\/span> action=<\/span>"${root}\/j_security_check"<\/span>><\/span>
    \n<<\/span>p class<\/span>=<\/span>"id error"<\/span>><\/span><<\/span>span><\/span><\/span><<\/span>input id=<\/span>"j_username"<\/span> name=<\/span>"j_username"<\/span>
    \nonKeyDown=<\/span>"onkeydownn();"<\/span> type=<\/span>"text"<\/span> autocomplete=<\/span>"off"<\/span>\/<\/span>><\/span><<\/span>\/<\/span>span><\/span><<\/span>\/<\/span>p><\/span>
    \n<<\/span>p><\/span><\/span><<\/span>span><\/span><\/span><<\/span>input id=<\/span>"j_password"<\/span> name=<\/span>"j_password"<\/span> onKeyDown=<\/span>"onkeydownn();"<\/span> type=<\/span>"password"<\/span> autocomplete=<\/span>"off"<\/span>\/<\/span>><\/span><<\/span>\/<\/span>span><\/span><<\/span>\/<\/span>p><\/span>
    \n<<\/span>p><\/span><\/span>
    \n<<\/span>span><\/span><\/span><<\/span>input id=<\/span>"j_vc"<\/span> name=<\/span>"j_vc"<\/span> onKeyDown=<\/span>"onkeydownn();"<\/span> type=<\/span>"text"<\/span> autocomplete=<\/span>"off"<\/span>\/<\/span>><\/span><<\/span>\/<\/span>span><\/span>
    \n<<\/span>span><\/span><\/span><<\/span>img src=<\/span>"${ctx }\/verifycode.jsp"<\/span> name=<\/span>"verifycode"<\/span> id=<\/span>"verifycode"<\/span> onClick=<\/span>"javascript:randomidbetter(this)"<\/span>\/<\/span>><\/span><<\/span>\/<\/span>span><\/span>
    \n<<\/span>\/<\/span>p><\/span>
    \n<<\/span>\/<\/span>form><\/span>
    \n\/\/\u7528\u6237\u767b\u5f55\u7684\u62e6\u622a\u5668\u4ee3\u7801\u5982\u4e0b：<\/span>
    \nprivate<\/span> boolean<\/span> bfaCheck<\/span>(<\/span>HttpServletRequest<\/span> request,<\/span>
    \nHttpServletResponse<\/span> response)<\/span> {<\/span>
    \nString<\/span> requestUri =<\/span> request.<\/span>getRequestURI<\/span>(<\/span>)<\/span>;<\/span>
    \nString<\/span> query =<\/span> request.<\/span>getQueryString<\/span>(<\/span>)<\/span>;<\/span>
    \nString<\/span> ip =<\/span> request.<\/span>getRemoteAddr<\/span>(<\/span>)<\/span>;<\/span>
    \nBruteForceAttackInfo<\/span> info =<\/span> bfaInfos.<\/span>get<\/span>(<\/span>ip)<\/span>;<\/span>
    \nDate<\/span> now =<\/span> new<\/span> Date<\/span>(<\/span>)<\/span>;<\/span>
    \nif<\/span> (<\/span>info !=<\/span> null<\/span> &&<\/span> info.<\/span>getLockTime<\/span>(<\/span>)<\/span> !=<\/span> null<\/span> &&<\/span>
    \nnow.<\/span>getTime<\/span>(<\/span>)<\/span> –<\/span> info.<\/span>getLockTime<\/span>(<\/span>)<\/span>.<\/span>getTime<\/span>(<\/span>)<\/span> <=<\/span> bfaLockTime)<\/span> {<\/span>
    \nlogger.<\/span>info<\/span>(<\/span>"\u76d1\u6d4b\u5230\u767b\u5f55\u5931\u8d25\u6b21\u6570\u8fc7\u591a，\u5c06\u88ab\u7981\u6b62\u8bbf\u95ee5 \u5206\u949f. IP：{}"<\/span>,<\/span> ip)<\/span>;<\/span>
    \nrequest.<\/span>setAttribute<\/span>(<\/span>"err"<\/span>,<\/span> "\u62d2\u7edd\u8bbf\u95ee：\u767b\u5f55\u5931\u8d25\u6b21\u6570\u8fc7\u591a，\u7981\u6b62\u8bbf\u95ee 5 \u5206\u949f"<\/span>)<\/span>;<\/span>
    \nresponse.<\/span>setHeader<\/span>(<\/span>"err"<\/span>,<\/span> "iplock"<\/span>)<\/span>;<\/span>
    \nreturn<\/span> false<\/span>;<\/span>
    \n}<\/span>
    \nif<\/span> (<\/span>!<\/span>Util<\/span>.<\/span>isEmpty<\/span>(<\/span>requestUri)<\/span> &&<\/span> (<\/span>(<\/span>requestUri.<\/span>endsWith<\/span>(<\/span>"\/login.action"<\/span>)<\/span>
    \n&&<\/span> !<\/span>Util<\/span>.<\/span>isEmpty<\/span>(<\/span>query)<\/span> &&<\/span> query.<\/span>equals<\/span>(<\/span>"error=1"<\/span>)<\/span>)<\/span> ||<\/span>requestUri.<\/span>endsWith<\/span>(<\/span>"\/j_security_check"<\/span>)<\/span>)<\/span>)<\/span> {<\/span>
    \nif<\/span> (<\/span>info !=<\/span> null<\/span>)<\/span> {<\/span>
    \nif<\/span> (<\/span>info.<\/span>getTryStartTime<\/span>(<\/span>)<\/span> !=<\/span> null<\/span>)<\/span> {<\/span>
    \nif<\/span> (<\/span>now.<\/span>getTime<\/span>(<\/span>)<\/span> –<\/span> info.<\/span>getTryStartTime<\/span>(<\/span>)<\/span>.<\/span>getTime<\/span>(<\/span>)<\/span> <=<\/span> bfaTime)<\/span> {<\/span>
    \nint<\/span> tCount =<\/span> info.<\/span>getTryCount<\/span>(<\/span>)<\/span>;<\/span>
    \nif<\/span> (<\/span>tCount <=<\/span> bfaAllowNumber)<\/span> {<\/span>
    \ninfo.<\/span>setTryCount<\/span>(<\/span>++<\/span>tCount)<\/span>;<\/span>
    \nbfaInfos.<\/span>put<\/span>(<\/span>ip,<\/span> info)<\/span>;<\/span>
    \nreturn<\/span> true<\/span>;<\/span>
    \n}<\/span> else<\/span> {<\/span>
    \ninfo.<\/span>setLockTime<\/span>(<\/span>now)<\/span>;<\/span>
    \nbfaInfos.<\/span>put<\/span>(<\/span>ip,<\/span> info)<\/span>;<\/span>
    \nlogger.<\/span>info<\/span>(<\/span>"\u76d1\u6d4b\u5230\u767b\u5f55\u5931\u8d25\u6b21\u6570\u8fc7\u591a，\u5c06\u88ab\u7981\u6b62\u8bbf\u95ee 5 \u5206\u949f. IP：{}"<\/span>,<\/span> ip)<\/span>;<\/span>
    \nrequest.<\/span>setAttribute<\/span>(<\/span>"err"<\/span>,<\/span> "\u62d2\u7edd\u8bbf\u95ee：\u767b\u5f55\u5931\u8d25\u6b21\u6570\u8fc7\u591a，\u7981\u6b62\u8bbf\u95ee 5 \u5206\u949f"<\/span>)<\/span>;<\/span>
    \nresponse.<\/span>setHeader<\/span>(<\/span>"err"<\/span>,<\/span> "iplock"<\/span>)<\/span>;<\/span>
    \nreturn<\/span> false<\/span>;<\/span>
    \n}<\/span>
    \n}<\/span> else<\/span> {<\/span>
    \ninfo.<\/span>setTryStartTime<\/span>(<\/span>now)<\/span>;<\/span>
    \ninfo.<\/span>setTryCount<\/span>(<\/span>1<\/span>)<\/span>;<\/span>
    \ninfo.<\/span>setLockTime<\/span>(<\/span>null<\/span>)<\/span>;<\/span>
    \nbfaInfos.<\/span>put<\/span>(<\/span>ip,<\/span> info)<\/span>;<\/span>
    \nreturn<\/span> true<\/span>;<\/span>
    \n}<\/span>
    \n}<\/span> else<\/span> {<\/span>
    \ninfo.<\/span>setTryStartTime<\/span>(<\/span>now)<\/span>;<\/span>
    \ninfo.<\/span>setTryCount<\/span>(<\/span>1<\/span>)<\/span>;<\/span>
    \nbfaInfos.<\/span>put<\/span>(<\/span>ip,<\/span> info)<\/span>;<\/span>
    \nreturn<\/span> true<\/span>;<\/span>
    \n}<\/span>
    \n}<\/span> else<\/span> {<\/span>
    \nBruteForceAttackInfo<\/span> newTry =<\/span> new<\/span>
    \nBruteForceAttackInfo<\/span>(<\/span>now,<\/span> 1<\/span>,<\/span> null<\/span>)<\/span>;<\/span>
    \nbfaInfos.<\/span>put<\/span>(<\/span>ip,<\/span> newTry)<\/span>;<\/span>
    \nreturn<\/span> true<\/span>;<\/span>
    \n}<\/span>
    \n}<\/span>
    \nreturn<\/span> true<\/span>;<\/span>
    \n}<\/span><\/p>\n

    \u5408\u89c4\u8bf4\u660e：<\/h3>\n

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    \n\u6f0f\u6d1e\u63cf\u8ff0：
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