{"id":51123,"date":"2024-12-03T08:02:17","date_gmt":"2024-12-03T00:02:17","guid":{"rendered":"https:\/\/fwq.ai\/blog\/51123\/"},"modified":"2024-12-03T08:02:17","modified_gmt":"2024-12-03T00:02:17","slug":"%e5%88%a9%e7%94%a8%e5%91%bd%e4%bb%a4%e8%a1%8c%e5%b7%a5%e5%85%b7%e6%8f%90%e5%8d%87linux%e6%9c%8d%e5%8a%a1%e5%99%a8%e7%9a%84%e5%ae%89%e5%85%a8%e6%80%a7-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/51123\/","title":{"rendered":"\u5229\u7528\u547d\u4ee4\u884c\u5de5\u5177\u63d0\u5347Linux\u670d\u52a1\u5668\u7684\u5b89\u5168\u6027"},"content":{"rendered":"<p><b><\/b>     <\/p>\n<h1>\u5229\u7528\u547d\u4ee4\u884c\u5de5\u5177\u63d0\u5347Linux\u670d\u52a1\u5668\u7684\u5b89\u5168\u6027<\/h1>\n<p>\u4e0d\u77e5\u9053\u5927\u5bb6\u662f\u5426\u719f\u6089\uff1f\u4eca\u5929\u6211\u5c06\u7ed9\u5927\u5bb6\u4ecb\u7ecd<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u300a\u5229\u7528\u547d\u4ee4\u884c\u5de5\u5177\u63d0\u5347Linux\u670d\u52a1\u5668\u7684\u5b89\u5168\u6027\u300b<\/span>\uff0c\u8fd9\u7bc7\u6587\u7ae0\u4e3b\u8981\u4f1a\u8bb2\u5230<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\"><\/span>\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u5982\u679c\u4f60\u5728\u770b\u5b8c\u672c\u7bc7\u6587\u7ae0\u540e\uff0c\u6709\u66f4\u597d\u7684\u5efa\u8bae\u6216\u8005\u53d1\u73b0\u54ea\u91cc\u6709\u95ee\u9898\uff0c\u5e0c\u671b\u5927\u5bb6\u90fd\u80fd\u79ef\u6781\u8bc4\u8bba\u6307\u51fa\uff0c\u8c22\u8c22\uff01\u5e0c\u671b\u6211\u4eec\u80fd\u4e00\u8d77\u52a0\u6cb9\u8fdb\u6b65\uff01<\/p>\n<p>\u5229\u7528\u547d\u4ee4\u884c\u5de5\u5177\u63d0\u5347Linux\u670d\u52a1\u5668\u7684\u5b89\u5168\u6027<\/p>\n<p>\u968f\u7740\u4e92\u8054\u7f51\u7684\u5feb\u901f\u53d1\u5c55\u548c\u4fe1\u606f\u6280\u672f\u7684\u666e\u53ca\uff0c\u670d\u52a1\u5668\u5b89\u5168\u6027\u6210\u4e3a\u4e86\u4e00\u4e2a\u975e\u5e38\u91cd\u8981\u7684\u8bdd\u9898\u3002\u4f5c\u4e3a\u4e00\u4e2a\u670d\u52a1\u5668\u7ba1\u7406\u5458\uff0c\u5fc5\u987b\u91c7\u53d6\u4e00\u7cfb\u5217\u63aa\u65bd\u6765\u4fdd\u62a4\u670d\u52a1\u5668\u7684\u5b89\u5168\uff0c\u4ee5\u9632\u6b62\u9ed1\u5ba2\u7684\u653b\u51fb\u548c\u6570\u636e\u6cc4\u9732\u3002\u5728Linux\u64cd\u4f5c\u7cfb\u7edf\u4e2d\uff0c\u547d\u4ee4\u884c\u5de5\u5177\u662f\u63d0\u5347\u670d\u52a1\u5668\u5b89\u5168\u6027\u7684\u5f3a\u5927\u5de5\u5177\u4e4b\u4e00\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u4e00\u4e9b\u5e38\u7528\u7684\u547d\u4ee4\u884c\u5de5\u5177\uff0c\u5e76\u63d0\u4f9b\u76f8\u5e94\u7684\u4ee3\u7801\u793a\u4f8b\u3002<\/p>\n<ol>\n<li>SSH\uff08Secure Shell\uff09\u8fdc\u7a0b\u767b\u5f55<br \/>SSH\u662f\u4e00\u79cd\u901a\u8fc7\u52a0\u5bc6\u7684\u65b9\u5f0f\u8fdb\u884c\u8fdc\u7a0b\u767b\u5f55\u7684\u5b89\u5168\u534f\u8bae\u3002\u901a\u8fc7\u4f7f\u7528SSH\uff0c\u60a8\u53ef\u4ee5\u5728\u5b89\u5168\u7684\u901a\u4fe1\u4fe1\u9053\u4e0a\u8fdb\u884c\u8fdc\u7a0b\u64cd\u4f5c\u3002\u9632\u6b62\u5bc6\u7801\u88ab\u9ed1\u5ba2\u62e6\u622a\uff0c\u5e76\u4e14\u901a\u8fc7\u5bc6\u94a5\u8ba4\u8bc1\u65b9\u5f0f\u53ef\u4ee5\u8fdb\u4e00\u6b65\u63d0\u5347\u5b89\u5168\u6027\u3002<\/li>\n<\/ol>\n<p>\u4ee5\u4e0b\u662f\u4f7f\u7528SSH\u8fdc\u7a0b\u767b\u5f55\u670d\u52a1\u5668\u7684\u793a\u4f8b\uff1a<\/p>\n<pre>ssh username@server_ip_address<\/pre>\n<ol>\n<li>fail2ban\u62e6\u622a\u6076\u610fIP<br \/>fail2ban\u662f\u4e00\u6b3e\u7528\u4e8e\u68c0\u6d4b\u591a\u6b21\u5c1d\u8bd5\u767b\u5f55\u5931\u8d25\u7684IP\uff0c\u5e76\u5c06\u5176\u5217\u5165\u963b\u6b62\u540d\u5355\u7684\u5de5\u5177\u3002\u8fd9\u5c06\u6781\u5927\u5730\u63d0\u9ad8\u670d\u52a1\u5668\u7684\u5b89\u5168\u6027\uff0c\u907f\u514d\u66b4\u529b\u7834\u89e3\u5bc6\u7801\u3002<\/li>\n<\/ol>\n<p>\u4ee5\u4e0b\u662f\u5b89\u88c5\u548c\u914d\u7f6efail2ban\u7684\u793a\u4f8b\uff1a<\/p>\n<pre>sudo apt-get install fail2ban\nsudo cp \/etc\/fail2ban\/jail.conf \/etc\/fail2ban\/jail.local\nsudo vi \/etc\/fail2ban\/jail.local<\/pre>\n<p>\u5728<code>jail.local<\/code>\u6587\u4ef6\u4e2d\uff0c\u60a8\u53ef\u4ee5\u914d\u7f6efail2ban\u6765\u76d1\u89c6\u7279\u5b9a\u7684\u65e5\u5fd7\u6587\u4ef6\uff0c\u5e76\u8bbe\u7f6e\u5c01\u7981\u7684\u89c4\u5219\u548c\u65f6\u95f4\u3002<\/p>\n<ol>\n<li>ufw\u914d\u7f6e\u9632\u706b\u5899<br \/>ufw\uff08Uncomplicated Firewall\uff09\u662fLinux\u7cfb\u7edf\u4e2d\u4e00\u4e2a\u7b80\u5355\u6613\u7528\u7684\u9632\u706b\u5899\u914d\u7f6e\u5de5\u5177\u3002\u5b83\u80fd\u591f\u8fc7\u6ee4\u7f51\u7edc\u6d41\u91cf\uff0c\u4fdd\u62a4\u670d\u52a1\u5668\u514d\u53d7\u672a\u7ecf\u6388\u6743\u7684\u8bbf\u95ee\u3002<\/li>\n<\/ol>\n<p>\u4ee5\u4e0b\u662f\u4f7f\u7528ufw\u914d\u7f6e\u9632\u706b\u5899\u89c4\u5219\u7684\u793a\u4f8b\uff1a<\/p>\n<pre>sudo apt-get install ufw\nsudo ufw default deny incoming\nsudo ufw default allow outgoing\nsudo ufw allow ssh\nsudo ufw enable<\/pre>\n<ol>\n<li>lynis\u7cfb\u7edf\u5b89\u5168\u5ba1\u8ba1<br \/>lynis\u662f\u4e00\u4e2a\u5f00\u6e90\u7684\u7cfb\u7edf\u5b89\u5168\u5ba1\u8ba1\u5de5\u5177\uff0c\u7528\u4e8e\u8bc6\u522b\u6f5c\u5728\u7684\u5b89\u5168\u95ee\u9898\u548c\u6f0f\u6d1e\u3002\u5b83\u4f1a\u5bf9\u670d\u52a1\u5668\u8fdb\u884c\u5168\u9762\u7684\u626b\u63cf\uff0c\u5e76\u63d0\u4f9b\u8be6\u7ec6\u7684\u62a5\u544a\u4ee5\u4f9b\u7ba1\u7406\u5458\u8fdb\u884c\u4fee\u590d\u3002<\/li>\n<\/ol>\n<p>\u4ee5\u4e0b\u662f\u4f7f\u7528lynis\u8fdb\u884c\u7cfb\u7edf\u5b89\u5168\u5ba1\u8ba1\u7684\u793a\u4f8b\uff1a<\/p>\n<pre>sudo apt-get install lynis\nsudo lynis audit system<\/pre>\n<p>lynis\u4f1a\u5bf9\u7cfb\u7edf\u5404\u4e2a\u65b9\u9762\u8fdb\u884c\u68c0\u67e5\uff0c\u5305\u62ec\u7cfb\u7edf\u914d\u7f6e\u3001\u7528\u6237\u6743\u9650\u3001\u9632\u706b\u5899\u8bbe\u7f6e\u7b49\uff0c\u5e76\u751f\u6210\u4e00\u4e2a\u5b89\u5168\u62a5\u544a\u3002<\/p>\n<ol>\n<li>logwatch\u76d1\u63a7\u65e5\u5fd7<br \/>logwatch\u662f\u4e00\u4e2a\u65e5\u5fd7\u76d1\u63a7\u5de5\u5177\uff0c\u53ef\u4ee5\u5b9a\u671f\u5206\u6790\u670d\u52a1\u5668\u7684\u65e5\u5fd7\u6587\u4ef6\uff0c\u5e76\u751f\u6210\u6458\u8981\u62a5\u544a\u3002\u901a\u8fc7\u68c0\u67e5\u670d\u52a1\u5668\u7684\u65e5\u5fd7\u6d3b\u52a8\uff0c\u60a8\u53ef\u4ee5\u4e86\u89e3\u670d\u52a1\u5668\u7684\u884c\u4e3a\u548c\u5b89\u5168\u72b6\u51b5\u3002<\/li>\n<\/ol>\n<p>\u4ee5\u4e0b\u662f\u5b89\u88c5\u548c\u914d\u7f6elogwatch\u7684\u793a\u4f8b\uff1a<\/p>\n<pre>sudo apt-get install logwatch\nsudo vi \/etc\/cron.daily\/00logwatch<\/pre>\n<p>\u5728<code>00logwatch<\/code>\u6587\u4ef6\u4e2d\uff0c\u60a8\u53ef\u4ee5\u914d\u7f6elogwatch\u4ece\u54ea\u4e9b\u65e5\u5fd7\u6587\u4ef6\u4e2d\u63d0\u53d6\u4fe1\u606f\uff0c\u5e76\u5c06\u62a5\u544a\u53d1\u9001\u7ed9\u6307\u5b9a\u7684\u90ae\u4ef6\u5730\u5740\u3002<\/p>\n<p>\u901a\u8fc7\u5408\u7406\u4f7f\u7528\u4e0a\u8ff0\u547d\u4ee4\u884c\u5de5\u5177\uff0c\u53ef\u4ee5\u5927\u5927\u63d0\u5347Linux\u670d\u52a1\u5668\u7684\u5b89\u5168\u6027\u3002\u5f53\u7136\uff0c\u8fd9\u91cc\u63d0\u5230\u7684\u53ea\u662f\u4e00\u5c0f\u90e8\u5206\u5de5\u5177\uff0c\u8fd8\u6709\u5f88\u591a\u5176\u4ed6\u547d\u4ee4\u53ef\u4ee5\u7528\u4e8e\u52a0\u56fa\u670d\u52a1\u5668\u3002\u4f46\u662f\uff0c\u65e0\u8bba\u4f7f\u7528\u54ea\u4e9b\u5de5\u5177\uff0c\u90fd\u9700\u8981\u7ba1\u7406\u5458\u5bf9\u670d\u52a1\u5668\u7684\u5b89\u5168\u6027\u8fdb\u884c\u6301\u7eed\u7684\u76d1\u63a7\u548c\u7ef4\u62a4\uff0c\u4ee5\u786e\u4fdd\u670d\u52a1\u5668\u7684\u5b89\u5168\u6027\u3002<\/p>\n<p>\u6ce8\uff1a\u672c\u6587\u6240\u793a\u7684\u793a\u4f8b\u4ec5\u9002\u7528\u4e8eDebian\/Ubuntu\u7cfb\u5217Linux\u53d1\u884c\u7248\uff0c\u5176\u4ed6\u53d1\u884c\u7248\u53ef\u80fd\u9700\u8981\u5fae\u8c03\u547d\u4ee4\u4ee5\u9002\u5e94\u4e0d\u540c\u7684\u73af\u5883\u3002<\/p>\n<p>\u7406\u8bba\u8981\u638c\u63e1\uff0c\u5b9e\u64cd\u4e0d\u80fd\u843d\uff01\u4ee5\u4e0a\u5173\u4e8e\u300a\u5229\u7528\u547d\u4ee4\u884c\u5de5\u5177\u63d0\u5347Linux\u670d\u52a1\u5668\u7684\u5b89\u5168\u6027\u300b\u7684\u8be6\u7ec6\u4ecb\u7ecd\uff0c\u5927\u5bb6\u90fd\u638c\u63e1\u4e86\u5427\uff01\u5982\u679c\u60f3\u8981\u7ee7\u7eed\u63d0\u5347\u81ea\u5df1\u7684\u80fd\u529b\uff0c\u90a3\u4e48\u5c31\u6765\u5173\u6ce8\u7c73\u4e91\u516c\u4f17\u53f7\u5427\uff01<\/p>\n<dl>\n<dt><\/dt>\n<dd>\n   PHP\u5546\u573a\u5546\u54c1\u7ba1\u7406\u7cfb\u7edf\u5f00\u53d1\u7684\u5b9e\u6218\u6848\u4f8b\u89e3\u6790\n <\/dd>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"<p>\u5229\u7528\u547d\u4ee4\u884c\u5de5\u5177\u63d0\u5347Linux\u670d\u52a1\u5668\u7684\u5b89\u5168\u6027 \u4e0d\u77e5\u9053\u5927\u5bb6\u662f\u5426\u719f\u6089\uff1f\u4eca\u5929\u6211\u5c06\u7ed9\u5927\u5bb6\u4ecb\u7ecd\u300a\u5229\u7528\u547d\u4ee4\u884c\u5de5\u5177\u63d0\u5347Linux\u670d\u52a1\u5668\u7684\u5b89\u5168\u6027\u300b\uff0c\u8fd9\u7bc7\u6587\u7ae0\u4e3b\u8981\u4f1a\u8bb2\u5230\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u5982\u679c\u4f60\u5728\u770b\u5b8c\u672c\u7bc7\u6587\u7ae0\u540e\uff0c\u6709\u66f4\u597d\u7684\u5efa\u8bae\u6216\u8005\u53d1\u73b0\u54ea\u91cc\u6709\u95ee\u9898\uff0c\u5e0c\u671b\u5927\u5bb6\u90fd\u80fd\u79ef\u6781\u8bc4\u8bba\u6307\u51fa\uff0c\u8c22\u8c22\uff01\u5e0c\u671b\u6211\u4eec\u80fd\u4e00\u8d77\u52a0\u6cb9\u8fdb\u6b65\uff01 \u5229\u7528\u547d\u4ee4\u884c\u5de5\u5177\u63d0\u5347Linux\u670d\u52a1\u5668\u7684\u5b89\u5168\u6027 \u968f\u7740\u4e92\u8054\u7f51\u7684\u5feb\u901f\u53d1\u5c55\u548c\u4fe1\u606f\u6280\u672f\u7684\u666e\u53ca\uff0c\u670d\u52a1\u5668\u5b89\u5168\u6027\u6210\u4e3a\u4e86\u4e00\u4e2a\u975e\u5e38\u91cd\u8981\u7684\u8bdd\u9898\u3002\u4f5c\u4e3a\u4e00\u4e2a\u670d\u52a1\u5668\u7ba1\u7406\u5458\uff0c\u5fc5\u987b\u91c7\u53d6\u4e00\u7cfb\u5217\u63aa\u65bd\u6765\u4fdd\u62a4\u670d\u52a1\u5668\u7684\u5b89\u5168\uff0c\u4ee5\u9632\u6b62\u9ed1\u5ba2\u7684\u653b\u51fb\u548c\u6570\u636e\u6cc4\u9732\u3002\u5728Linux\u64cd\u4f5c\u7cfb\u7edf\u4e2d\uff0c\u547d\u4ee4\u884c\u5de5\u5177\u662f\u63d0\u5347\u670d\u52a1\u5668\u5b89\u5168\u6027\u7684\u5f3a\u5927\u5de5\u5177\u4e4b\u4e00\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u4e00\u4e9b\u5e38\u7528\u7684\u547d\u4ee4\u884c\u5de5\u5177\uff0c\u5e76\u63d0\u4f9b\u76f8\u5e94\u7684\u4ee3\u7801\u793a\u4f8b\u3002 SSH\uff08Secure Shell\uff09\u8fdc\u7a0b\u767b\u5f55SSH\u662f\u4e00\u79cd\u901a\u8fc7\u52a0\u5bc6\u7684\u65b9\u5f0f\u8fdb\u884c\u8fdc\u7a0b\u767b\u5f55\u7684\u5b89\u5168\u534f\u8bae\u3002\u901a\u8fc7\u4f7f\u7528SSH\uff0c\u60a8\u53ef\u4ee5\u5728\u5b89\u5168\u7684\u901a\u4fe1\u4fe1\u9053\u4e0a\u8fdb\u884c\u8fdc\u7a0b\u64cd\u4f5c\u3002\u9632\u6b62\u5bc6\u7801\u88ab\u9ed1\u5ba2\u62e6\u622a\uff0c\u5e76\u4e14\u901a\u8fc7\u5bc6\u94a5\u8ba4\u8bc1\u65b9\u5f0f\u53ef\u4ee5\u8fdb\u4e00\u6b65\u63d0\u5347\u5b89\u5168\u6027\u3002 \u4ee5\u4e0b\u662f\u4f7f\u7528SSH\u8fdc\u7a0b\u767b\u5f55\u670d\u52a1\u5668\u7684\u793a\u4f8b\uff1a ssh username@server_ip_address fail2ban\u62e6\u622a\u6076\u610fIPfail2ban\u662f\u4e00\u6b3e\u7528\u4e8e\u68c0\u6d4b\u591a\u6b21\u5c1d\u8bd5\u767b\u5f55\u5931\u8d25\u7684IP\uff0c\u5e76\u5c06\u5176\u5217\u5165\u963b\u6b62\u540d\u5355\u7684\u5de5\u5177\u3002\u8fd9\u5c06\u6781\u5927\u5730\u63d0\u9ad8\u670d\u52a1\u5668\u7684\u5b89\u5168\u6027\uff0c\u907f\u514d\u66b4\u529b\u7834\u89e3\u5bc6\u7801\u3002 \u4ee5\u4e0b\u662f\u5b89\u88c5\u548c\u914d\u7f6efail2ban\u7684\u793a\u4f8b\uff1a sudo apt-get install fail2ban sudo cp \/etc\/fail2ban\/jail.conf \/etc\/fail2ban\/jail.local sudo vi \/etc\/fail2ban\/jail.local \u5728jail.local\u6587\u4ef6\u4e2d\uff0c\u60a8\u53ef\u4ee5\u914d\u7f6efail2ban\u6765\u76d1\u89c6\u7279\u5b9a\u7684\u65e5\u5fd7\u6587\u4ef6\uff0c\u5e76\u8bbe\u7f6e\u5c01\u7981\u7684\u89c4\u5219\u548c\u65f6\u95f4\u3002 ufw\u914d\u7f6e\u9632\u706b\u5899ufw\uff08Uncomplicated Firewall\uff09\u662fLinux\u7cfb\u7edf\u4e2d\u4e00\u4e2a\u7b80\u5355\u6613\u7528\u7684\u9632\u706b\u5899\u914d\u7f6e\u5de5\u5177\u3002\u5b83\u80fd\u591f\u8fc7\u6ee4\u7f51\u7edc\u6d41\u91cf\uff0c\u4fdd\u62a4\u670d\u52a1\u5668\u514d\u53d7\u672a\u7ecf\u6388\u6743\u7684\u8bbf\u95ee\u3002 \u4ee5\u4e0b\u662f\u4f7f\u7528ufw\u914d\u7f6e\u9632\u706b\u5899\u89c4\u5219\u7684\u793a\u4f8b\uff1a sudo apt-get install ufw sudo ufw default deny incoming sudo ufw default allow outgoing sudo ufw allow ssh sudo ufw enable lynis\u7cfb\u7edf\u5b89\u5168\u5ba1\u8ba1lynis\u662f\u4e00\u4e2a\u5f00\u6e90\u7684\u7cfb\u7edf\u5b89\u5168\u5ba1\u8ba1\u5de5\u5177\uff0c\u7528\u4e8e\u8bc6\u522b\u6f5c\u5728\u7684\u5b89\u5168\u95ee\u9898\u548c\u6f0f\u6d1e\u3002\u5b83\u4f1a\u5bf9\u670d\u52a1\u5668\u8fdb\u884c\u5168\u9762\u7684\u626b\u63cf\uff0c\u5e76\u63d0\u4f9b\u8be6\u7ec6\u7684\u62a5\u544a\u4ee5\u4f9b\u7ba1\u7406\u5458\u8fdb\u884c\u4fee\u590d\u3002 \u4ee5\u4e0b\u662f\u4f7f\u7528lynis\u8fdb\u884c\u7cfb\u7edf\u5b89\u5168\u5ba1\u8ba1\u7684\u793a\u4f8b\uff1a sudo apt-get install lynis sudo lynis [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8],"tags":[],"class_list":["post-51123","post","type-post","status-publish","format-standard","hentry","category-os"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/51123","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=51123"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/51123\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=51123"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=51123"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=51123"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}