{"id":3296,"date":"2021-06-22T21:44:50","date_gmt":"2021-06-22T13:44:50","guid":{"rendered":"https:\/\/blog.coderfan.org\/?p=3296"},"modified":"2021-10-08T20:46:05","modified_gmt":"2021-10-08T12:46:05","slug":"how-to-prevent-your-vps-from-hackers","status":"publish","type":"post","link":"https:\/\/blog.coderfan.org\/en\/how-to-prevent-your-vps-from-hackers.html","title":{"rendered":"\u65b0\u624b\u5c0f\u767d\u5982\u4f55\u4fdd\u62a4\u81ea\u5df1Linux\u4e3b\u673a\u7684\u5b89\u5168"},"content":{"rendered":"<div class='booster-block booster-read-block'>\n                <div class=\"twp-read-time\">\n                \t<i class=\"booster-icon twp-clock\"><\/i> <span>Read Time:<\/span>1 Minute, 7 Second                <\/div>\n\n            <\/div>\n<figure class=\"wp-block-image size-large is-resized is-style-default\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/blog.coderfan.org\/wp-content\/uploads\/2021\/06\/linux-tux.svg\" alt=\"Linux logo\" class=\"wp-image-3297\" width=\"751\" height=\"751\"\/><\/figure>\n\n\n\n<p class=\"has-text-align-justify\">\u5bf9\u4e8e\u65b0\u624b\u800c\u8a00\uff0c\u5f53\u4f60\u83b7\u5f97\u5c5e\u4e8e\u4f60\u81ea\u5df1\u7684\u8fdc\u7a0b\u4e3b\u673a\uff0c\u6216\u8005\u5c5e\u4e8e\u4f60\u81ea\u5df1\u7684VPS\u65f6\uff0c\u4e0d\u53ef\u907f\u514d\u5730\u6d89\u53ca\u5230\u4e00\u4e9b\u5b89\u5168\u6027\u95ee\u9898\u3002\u5982\u679c\u4f60\u4e0d\u77e5\u9053\u600e\u6837\u8bbe\u7f6e\u4ee5\u4fdd\u62a4\u4f60\u81ea\u5df1\u7684\u4e3b\u673a\u5b89\u5168\uff0c\u90a3\u4e48\u53ef\u4ee5\u53c2\u8003\u672c\u7bc7\u6587\u7ae0\uff0c\u6211\u5c06\u4f1a\u7b80\u5355\u4ecb\u7ecd5\u4e2a\u65b9\u6cd5\u4ee5\u52a0\u5f3a\u5bf9\u4f60\u8fdc\u7a0b\u4e3b\u673a\u7684\u4fdd\u62a4\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">1.\u53ca\u65f6\u66f4\u65b0\u7cfb\u7edf\u4e0e\u8f6f\u4ef6<\/h2>\n\n\n\n<p class=\"has-text-align-justify\">\u53ca\u65f6\u66f4\u65b0\u8f6f\u4ef6\u5f88\u91cd\u8981\uff0c\u4e3a\u4ec0\u4e48\u5462\uff1f\u56e0\u4e3a\u4f60\u7684\u7cfb\u7edf\u53ef\u80fd\u5e76\u4e0d\u662f\u6700\u65b0\u7684\u72b6\u6001\uff0c\u5b58\u5728\u4e00\u4e9b\u53ef\u88ab\u4ed6\u4eba\u5165\u4fb5\u7684\u6f0f\u6d1e\u3002\u800c\u4f60\u7684\u7cfb\u7edf\u63d0\u4f9b\u5546\uff0c\u5305\u62ec\u4f60\u7cfb\u7edf\u4e0a\u5b89\u88c5\u7684\u5e94\u7528\u7684\u5f00\u53d1\u5546\uff0c\u90fd\u4f1a\u5b9a\u671f\u66f4\u65b0\uff0c\u5728\u5e26\u6765\u65b0\u7279\u6027\u7684\u540c\u65f6\u4e5f\u4f1a\u4fee\u590d\u6f0f\u6d1e\u3002\u60f3\u60f3Windows\u7cfb\u7edf\u81ea\u5e26\u7684\u81ea\u52a8\u66f4\u65b0\u529f\u80fd\u4f60\u5c31\u80fd\u7406\u89e3\u4e86\uff0c\u6740\u6bd2\u8f6f\u4ef6\u4e2d\u4e0d\u65ad\u66f4\u65b0\u7684\u75c5\u6bd2\u5e93\u4f60\u5c31\u660e\u767d\u4e86\u3002<\/p>\n\n\n\n<p class=\"has-text-align-justify\">\u90a3\u4e48\uff0c\u5982\u4f55\u66f4\u65b0\u8f6f\u4ef6\u5462\uff0c\u8fd9\u91cc\u6211\u4ecb\u7ecd\u7ed9\u5927\u5bb6\u4e24\u79cd\u529e\u6cd5\u3002\u8bf7\u6ce8\u610f\uff0c\u63a5\u4e0b\u6765\u7684\u64cd\u4f5c\u90fd\u662f\u57fa\u4e8eUbantu 20.0\u7248\u672c\uff0c\u5982\u679c\u4f60\u7684Linux\u7cfb\u7edf\u4e0e\u6211\u7684\u4e0d\u4e00\u81f4\u6216\u8005\u7248\u672c\u4e0d\u540c\uff0c\u5b9e\u9645\u6548\u679c\u53ef\u80fd\u4f1a\u6709\u5dee\u5f02\uff0c\u8bf7\u81ea\u884cGoogle\u89e3\u51b3\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><strong><span style=\"color: #f34957;\" class=\"ugb-highlight\"><em>\u624b\u52a8\u66f4\u65b0<\/em><\/span><\/strong>\uff1a\u624b\u52a8\u66f4\u65b0\uff0c\u987e\u540d\u601d\u4e49\uff0c\u662f\u9700\u8981\u4f7f\u7528\u8005\u901a\u8fc7\u624b\u52a8\u8bbe\u7f6e\u7684\u65b9\u5f0f\u53bb\u8fdb\u884c\u66f4\u65b0\u7684\u3002\u624b\u52a8\u66f4\u65b0\u5f88\u7b80\u5355\uff0c\u9700\u8981\u4f7f\u7528\u4ee5\u4e0b\u4e24\u6761\u547d\u4ee4\uff1a<\/li><\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>sudo apt update \/\/\u66f4\u65b0\u5347\u7ea7\u8d44\u6e90\u5e93\nsudo apt dist-upgrade \/\/\u5b9e\u884c\u5dee\u5206\u5347\u7ea7<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\"><li><span style=\"color: var(--theme-palette-color-2, #F74D67);\" class=\"ugb-highlight\"><em><strong>\u81ea\u52a8\u66f4\u65b0<\/strong><\/em><\/span>\uff1a\u81ea\u52a8\u66f4\u65b0\u5219\u4e0d\u9700\u8981\u4f7f\u7528\u8005\u624b\u52a8\u53bb\u5347\u7ea7\uff0c\u4f60\u7684\u4e3b\u673a\u4f1a\u5728\u7a7a\u95f2\u7684\u65f6\u5019\u81ea\u52a8\u5e2e\u4f60\u5b8c\u6210\u5347\u7ea7\u3002\u5b9e\u73b0\u81ea\u52a8\u5347\u7ea7\u4e5f\u5f88\u7b80\u5355\uff0c\u4f7f\u7528\u5982\u4e0b\u4e24\u6761\u547d\u4ee4\uff1a<\/li><\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>sudo apt install unattended-upgrades \/\/\u5b89\u88c5\u65e0\u4eba\u503c\u5b88\u5347\u7ea7\u5de5\u5177\nsudo dpkg-reconfigure \u2013priority =low unattended-upgrades \/\/\u5f00\u542f\u65e0\u4eba\u503c\u5b88\u5347\u7ea7<\/code><\/pre>\n\n\n\n<p class=\"has-text-align-justify\">\u65e0\u8bba\u662f\u624b\u52a8\u66f4\u65b0\u8fd8\u662f\u81ea\u52a8\u66f4\u65b0\uff0c\u5b83\u4eec\u90fd\u80fd\u5e2e\u52a9\u4f60\u7684\u7cfb\u7edf\u3001\u4f60\u7684\u8f6f\u4ef6\u4fdd\u6301\u5728\u6700\u65b0\u7684\u7a33\u5b9a\u72b6\u6001\u3002\u5728\u5b9e\u9645\u4f7f\u7528\u65f6\u4f60\u53ef\u80fd\u4f1a\u9700\u8981\u6ce8\u610f\u4e00\u70b9\uff1a\u81ea\u52a8\u66f4\u65b0\u53ef\u80fd\u5e76\u975e\u6700\u597d\u7684\u3002\u56e0\u4e3a\u81ea\u52a8\u66f4\u65b0\u5f80\u5f80\u4f1a\u66f4\u65b0\u8f83\u591a\u5185\u5bb9\uff0c\u53ef\u80fd\u4f1a\u5bf9\u4f60\u7684\u7cfb\u7edf\u5b58\u50a8\u8d44\u6e90\u9020\u6210\u4e00\u5b9a\u538b\u529b\u3002\u5982\u679c\u4f60\u7684\u5b58\u50a8\u8d44\u6e90\u4e0d\u90a3\u4e48\u4e30\u5bcc\uff0c\u8fd8\u662f\u624b\u52a8\u66f4\u65b0\u5427\uff0c\u624b\u52a8\u66f4\u65b0\u53ef\u4ee5\u81ea\u4e3b\u9009\u62e9\u66f4\u65b0\u54ea\u4e9b\u8f6f\u4ef6\uff0c\u76f8\u5bf9\u66f4\u4e3a\u7075\u6d3b\uff0c\u53ea\u662f\u7a0d\u5fae\u9ebb\u70e6\u4e00\u70b9\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">2.\u5c3d\u91cf\u4e0d\u8981\u4f7f\u7528root\u8d26\u6237\u8fdc\u7a0b\u767b\u5f55<\/h2>\n\n\n\n<p class=\"has-text-align-justify\">\u5f53\u4f60\u8fdc\u7a0b\u767b\u5f55\u4f60\u7684\u4e3b\u673a\u65f6\uff0c\u6700\u597d\u4e0d\u8981\u4f7f\u7528root\u8d26\u6237\u767b\u5f55\u3002\u56e0\u4e3a\u5728\u4f60\u767b\u5f55\u7684\u8fd9\u4e2a\u8fc7\u7a0b\u4e2d\uff0c\u4f60\u7684\u8d26\u6237\u5bc6\u7801\u662f\u6709\u53ef\u80fd\u88ab\u7a83\u53d6\u7684\u3002\u6700\u597d\u7684\u89e3\u51b3\u529e\u6cd5\u662f\uff0c\u65b0\u5efa\u7528\u6237\u5e76\u4e3a\u5176\u8d4b\u4e88sudo\u6743\u9650\uff0c\u540e\u7eed\u90fd\u4f7f\u7528\u8be5\u7528\u6237\u8d26\u53f7\u8fdb\u884c\u767b\u5f55\u3002<\/p>\n\n\n\n<p>\u4e3b\u8981\u6709\u4ee5\u4e0b\u51e0\u4e2a\u6b65\u9aa4\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\"><li>\u6dfb\u52a0\u7528\u6237<\/li><\/ol>\n\n\n\n<pre class=\"wp-block-code\"><code>useradd \u7528\u6237\u540d<\/code><\/pre>\n\n\n\n<ol class=\"wp-block-list\" start=\"2\"><li>\u4e3a\u65b0\u7528\u6237\u8bbe\u5b9a\u5bc6\u7801<\/li><\/ol>\n\n\n\n<pre class=\"wp-block-code\"><code>passwd \u7528\u6237\u540d<\/code><\/pre>\n\n\n\n<ol class=\"wp-block-list\" start=\"3\"><li>\u4e3a\u65b0\u7528\u6237\u8bbe\u5b9asudo\u6743\u9650<\/li><\/ol>\n\n\n\n<pre class=\"wp-block-code\"><code>usermod -aG sudo \u7528\u6237\u540d<\/code><\/pre>\n\n\n\n<p class=\"has-text-align-justify\">\u5728\u7b2c3\u6b65\u4e2d\uff0c\u4f60\u4e5f\u53ef\u4ee5\u4f7f\u7528visudo  \/etc\/sudoers\u7f16\u8f91sudoers\u6587\u4ef6\u4ece\u800c\u4f7f\u4f60\u7684\u65b0\u7528\u6237\u62e5\u6709sudo\u6743\u9650\u3002\u6309\u952e\u8f93\u5165\u201ci\u201d\u4ee5\u8fdb\u5165\u7f16\u8f91\u6a21\u5f0f\uff1a<\/p>\n\n\n\n<p>\u5982\u56fe\u6240\u793a\uff0c\u5728root  ALL=(ALL)   ALL\u4e0b\u4ee5\u4f60\u7684\u65b0\u7528\u6237\u540d\u5f00\u5934\uff0c\u91cd\u65b0\u6dfb\u52a0\u7c7b\u4f3c\u7684\u4e00\u884c<\/p>\n\n\n\n<div class=\"wp-block-image is-style-default\"><figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/blog.coderfan.org\/wp-content\/uploads\/2021\/06\/image-8.png\" alt=\"\" class=\"wp-image-3302\" width=\"747\" height=\"302\" srcset=\"https:\/\/blog.coderfan.org\/wp-content\/uploads\/2021\/06\/image-8.png 554w, https:\/\/blog.coderfan.org\/wp-content\/uploads\/2021\/06\/image-8-300x121.png 300w, https:\/\/blog.coderfan.org\/wp-content\/uploads\/2021\/06\/image-8-18x7.png 18w\" sizes=\"auto, (max-width: 747px) 100vw, 747px\" \/><\/figure><\/div>\n\n\n\n<p class=\"has-text-align-justify\">\u4e3a\u4ec0\u4e48\u6211\u4eec\u4e0d\u8981\u4f7f\u7528root\u8d26\u6237\u5462\uff1f\u8fd9\u91cc\u6709\u5f88\u591a\u539f\u56e0\uff0c\u9664\u4e86\u5f00\u5934\u63d0\u5230\u7684\u2014\u2014\u4f60\u5728\u767b\u5f55\u8fc7\u7a0b\u4e2droot\u8d26\u6237\u4e0e\u5bc6\u7801\u662f\u6781\u6709\u53ef\u80fd\u6cc4\u9732\u7684\uff0c\u4e00\u65e6\u4ed6\u4eba\u83b7\u53d6\u4e86\u4f60\u7684root\u6743\u9650\uff0c\u5bf9\u4f60\u7cfb\u7edf\u800c\u8a00\u53ef\u80fd\u4f1a\u662f\u707e\u96be\u6027\u7684\u3002\u9664\u6b64\u4e4b\u5916\uff0c\u7531\u4e8eroot\u7528\u6237\u6743\u9650\u5f88\u9ad8\uff0c\u800c\u6211\u4eec\u5728\u64cd\u4f5c\u8fc7\u7a0b\u4e2d\u53ef\u80fd\u4f1a\u72af\u9519\uff0c\u56e0\u4e3a\u8fd9\u4e9b\u5c0f\u7684\u72af\u9519\u5374\u6781\u6709\u53ef\u80fd\u9020\u6210\u4e0d\u53ef\u633d\u56de\u7684\u635f\u5931\u3002\u5982\u679c\u6211\u4eec\u4f7f\u7528\u975eroot\u8d26\u6237\uff0c\u5728\u6ca1\u6709sudo\u6743\u9650\u65f6\u53ef\u80fd\u65e0\u6cd5\u8fdb\u884c\u76f8\u5173\u64cd\u4f5c\uff0c\u5728\u4e00\u5b9a\u7a0b\u5ea6\u4e0a\u907f\u514d\u4e86\u8fd9\u4e9b\u635f\u5931\u3002\u5373\u4f7f\u4f60\u62e5\u6709sudo\u6743\u9650\uff0c\u5b83\u603b\u662f\u4f1a\u8ba9\u4f60\u6267\u884csudo\u65f6\u8981\u6c42\u4f60\u8f93\u5165\u5bc6\u7801\uff0c\u90a3\u4e48\u4f60\u5c31\u4f1a\u610f\u8bc6\u5230\uff0c\u5f53\u524d\u8fd9\u4e2a\u64cd\u4f5c\u662f\u6781\u5176\u5371\u9669\u7684\uff0c\u63d0\u9ad8\u4e86\u4f60\u7684\u8b66\u89c9\u6027\uff0c\u4ece\u800c\u4e5f\u80fd\u51cf\u5c11\u5931\u8bef\u907f\u514d\u635f\u5931\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">3.\u4f7f\u7528SSH\u5bc6\u94a5\u767b\u5f55<\/h2>\n\n\n\n<p class=\"has-text-align-justify\">\u4f7f\u7528SSH\u5bc6\u94a5\u767b\u5f55\u65f6\uff0c\u4f60\u4e0d\u518d\u9700\u8981\u8d26\u6237\u4e0e\u5bc6\u7801\uff0c\u4f60\u4e0e\u670d\u52a1\u5668\u5c06\u4f1a\u901a\u8fc7\u4e00\u5bf9\u4e13\u6709\u7684\u79c1\u6709\u4e0e\u516c\u94a5\u8fdb\u884c\u8ba4\u8bc1\u901a\u4fe1\u3002\u5173\u4e8eSSH\u5bc6\u94a5\u767b\u5f55\u7a0d\u5fae\u6709\u4e00\u70b9\u590d\u6742\uff0c\u5728\u672c\u6559\u7a0b\u4e2d\u4e0d\u7ed9\u5927\u5bb6\u4ed4\u7ec6\u5217\u51fa\uff0c\u5173\u4e8e\u8fd9\u90e8\u5206\u5185\u5bb9\uff0c\u5927\u5bb6\u53ef\u4ee5\u53c2\u8003\u4e0b\u9762\u7684\u94fe\u63a5\u8fdb\u884c\u5b66\u4e60\uff1a<a href=\"https:\/\/www.runoob.com\/w3cnote\/set-ssh-login-key.html\" target=\"_blank\" rel=\"noreferrer noopener\" title=\"https:\/\/www.runoob.com\/w3cnote\/set-ssh-login-key.html\">https:\/\/www.runoob.com\/w3cnote\/set-ssh-login-key.html<\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">4.\u4fee\u6539SSH\u914d\u7f6e<\/h2>\n\n\n\n<p class=\"has-text-align-justify\">\u603b\u7684\u6765\u8bb2\uff0c\u6211\u4eec\u4e0e\u8fdc\u7a0b\u4e3b\u673a\u7684\u901a\u4fe1\u5f88\u591a\u65f6\u5019\u90fd\u4f9d\u8d56\u4e8eSSH\u3002\u5173\u4e8eSSH\u7684\u4f7f\u7528\uff0c\u662f\u5b58\u5728\u4e00\u4e9b\u5dee\u5f02\u5316\u3001\u53ef\u914d\u7f6e\u7684\u5185\u5bb9\u7684\u3002\u90a3\u4e48\uff0c\u5982\u4f55\u53bb\u8fdb\u884cSSH\u914d\u7f6e\u7684\u4fee\u6539\uff0c\u4ee5\u66f4\u597d\u7684\u4fdd\u62a4\u6211\u4eec\u7684\u4e3b\u673a\u5b89\u5168\u5462\uff1f<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>\u4fee\u6539SSH\u9ed8\u8ba4\u767b\u5f55\u7aef\u53e3\uff1aSSH\u7684\u9ed8\u8ba4\u767b\u5f55\u7aef\u53e3\u4e3a22\uff0c\u4e3a\u4e86\u4fdd\u9669\uff0c\u8bf7\u5bf9\u6b64\u8fdb\u884c\u4fee\u6539\u3002\u4f60\u9700\u8981\u4f7f\u7528Vi\u5de5\u5177\u6765\u5bf9\u5176\u914d\u7f6e\u8fdb\u884c\u53d8\u66f4\u3002<\/li><\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>vi \/etc\/ssh\/sshd_config<\/code><\/pre>\n\n\n\n<p class=\"has-text-align-justify\">\u8fdb\u5165\u7f16\u8f91\u6a21\u5f0f\u540e\uff0c\u627e\u5230#Port 22\u7684\u5185\u5bb9\uff0c\u53bb\u6389\u201c#\u201d\uff0c\u4fee\u6539Port 22\u4e3a\u4efb\u610f\u4f60\u6240\u60f3\u5230\u7684\u7aef\u53e3\uff081~65535\u4ee5\u5185\uff09\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>\u7981\u7528root\u767b\u5f55\uff0c\u8bbe\u5b9a\u6700\u5927\u8ba4\u8bc1\u6b21\u6570\uff1a\u9664\u4e86\u4fee\u6539\u7aef\u53e3\uff0c\u6211\u4eec\u8fd8\u53ef\u540c\u65f6\u4fee\u6539PermitRootLogin\u4e0eMaxAuthTries\u4e24\u4e2a\u8bbe\u7f6e\u9879\uff0c\u53ef\u4ee5\u53c2\u8003\u5982\u4e0b\uff1a<\/li><\/ul>\n\n\n\n<figure class=\"wp-block-image size-large is-resized is-style-default\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/blog.coderfan.org\/wp-content\/uploads\/2021\/06\/image-9.png\" alt=\"\" class=\"wp-image-3304\" width=\"747\" height=\"484\" srcset=\"https:\/\/blog.coderfan.org\/wp-content\/uploads\/2021\/06\/image-9.png 554w, https:\/\/blog.coderfan.org\/wp-content\/uploads\/2021\/06\/image-9-300x194.png 300w, https:\/\/blog.coderfan.org\/wp-content\/uploads\/2021\/06\/image-9-18x12.png 18w\" sizes=\"auto, (max-width: 747px) 100vw, 747px\" \/><\/figure>\n\n\n\n<p>\u4fee\u6539\u540e\uff0c\u4f60\u9700\u8981\u4f7f\u7528systemctl restart sshd\u6765\u4f7f\u5176\u751f\u6548\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">5.\u5f00\u542f\u9632\u706b\u5899<\/h2>\n\n\n\n<p class=\"has-text-align-justify\">\u60f3\u5fc5\u5927\u5bb6\u5728\u4f7f\u7528Windows\u65f6\u90fd\u4f1a\u63a5\u89e6\u5230\u9632\u706b\u5899\uff0c\u800c\u5728Linux\u4e2d\u4e5f\u6709\u9632\u706b\u5899\u7684\u5b58\u5728\uff0c\u63a5\u4e0b\u6765\u6211\u5c06\u6559\u4f60\u5982\u4f55\u8bbe\u7f6e\u9632\u706b\u5899\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\"><li>\u5b89\u88c5\u9632\u706b\u5899<\/li><\/ol>\n\n\n\n<pre class=\"wp-block-code\"><code>Sudo apt install ufw \/\/\u5b89\u88c5\u9632\u706b\u5899\u5de5\u5177<\/code><\/pre>\n\n\n\n<p>2.\u5f00\u542fSSH\u7aef\u53e3<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>sudo ufw allow \u7aef\u53e3\u53f7  \/\/\u8bf7\u5f00\u653e\u6b65\u9aa44\u4e2d\u4f60\u8bbe\u7f6e\u7684SSH\u7aef\u53e3\u53ca\u5176\u4ed6\u5fc5\u8981\u7aef\u53e3<\/code><\/pre>\n\n\n\n<ol class=\"wp-block-list\" start=\"3\"><li>\u4f7f\u80fd\u9632\u706b\u5899<\/li><\/ol>\n\n\n\n<pre class=\"wp-block-code\"><code>sudo ufw enable<\/code><\/pre>\n\n\n\n<p class=\"has-text-align-justify\">\u4e4b\u540e\u4f60\u53ef\u4ee5\u901a\u8fc7ufw status\u67e5\u770b\u9632\u706b\u5899\u72b6\u6001\uff0c\u5982\u6211\u7684\u9632\u706b\u5899\u72b6\u6001\u5982\u4e0b<\/p>\n\n\n\n<figure class=\"wp-block-image size-large is-style-default\"><img loading=\"lazy\" decoding=\"async\" width=\"737\" height=\"302\" src=\"https:\/\/blog.coderfan.org\/wp-content\/uploads\/2021\/06\/image-10.png\" alt=\"\" class=\"wp-image-3306\" srcset=\"https:\/\/blog.coderfan.org\/wp-content\/uploads\/2021\/06\/image-10.png 737w, https:\/\/blog.coderfan.org\/wp-content\/uploads\/2021\/06\/image-10-300x123.png 300w, https:\/\/blog.coderfan.org\/wp-content\/uploads\/2021\/06\/image-10-18x7.png 18w\" sizes=\"auto, (max-width: 737px) 100vw, 737px\" \/><\/figure>\n\n\n\n<p class=\"has-text-align-justify\">\u4ee5\u4e0a\u5c31\u662f\u4f5c\u4e3a\u4e00\u4e2a\u65b0\u624b\u5c0f\u767d\u53ef\u4ee5\u8bbe\u7f6e\u7684\uff0c\u7528\u4e8e\u52a0\u5f3a\u81ea\u5df1\u4e3b\u673a\u4fdd\u62a4\u7684\u5168\u90e8\u5185\u5bb9\u4e86\uff0c\u76f8\u4fe1\u901a\u8fc7\u4ee5\u4e0a\u8bbe\u7f6e\uff0c\u4f60\u53ef\u4ee5\u66f4\u597d\u7684\u4fdd\u8bc1\u4f60\u7684\u4e3b\u673a\u5b89\u5168\u3002\u5f53\u7136\uff0c\u9664\u4e86\u8fd95\u9879\u8bbe\u7f6e\uff0c\u8fd8\u6709\u5176\u4ed6\u66f4\u591a\u53ef\u8bbe\u7f6e\u7684\u5185\u5bb9\uff0c\u5927\u5bb6\u90fd\u53ef\u81ea\u884cGoogle\u3002\u672c\u6559\u7a0b\u5c31\u4e0d\u505a\u5c55\u5f00\u5566\u3002\u5e0c\u671b\u8fd9\u4e9b\u5185\u5bb9\u80fd\u5bf9\u4f60\u6709\u6240\u5e2e\u52a9\uff0c\u5982\u679c\u4f60\u6709\u4efb\u4f55\u7591\u95ee\uff0c\u53ef\u4ee5\u901a\u8fc7\u8bc4\u8bba\u544a\u77e5\u6211\uff0c\u6211\u4f1a\u5c3d\u91cf\u89e3\u7b54\uff0c\u611f\u8c22\uff01<\/p>\n        <div class=\"booster-block booster-reactions-block\">\n            <div class=\"twp-reactions-icons\">\n                \n                <div class=\"twp-reacts-wrap\">\n                    <a react-data=\"be-react-1\" post-id=\"3296\" class=\"be-face-icons un-reacted\" href=\"javascript:void(0)\">\n                        <img decoding=\"async\" src=\"https:\/\/blog.coderfan.org\/wp-content\/plugins\/booster-extension\/\/assets\/icon\/happy.svg\" alt=\"Happy\">\n                    <\/a>\n                    <div class=\"twp-reaction-title\">\n                        Happy                    <\/div>\n                    <div class=\"twp-count-percent\">\n                                                    <span style=\"display: none;\" class=\"twp-react-count\">3<\/span>\n                        \n                                                <span class=\"twp-react-percent\"><span>60<\/span> %<\/span>\n                                            <\/div>\n                <\/div>\n\n                <div class=\"twp-reacts-wrap\">\n                    <a react-data=\"be-react-2\" post-id=\"3296\" class=\"be-face-icons un-reacted\" href=\"javascript:void(0)\">\n                        <img decoding=\"async\" src=\"https:\/\/blog.coderfan.org\/wp-content\/plugins\/booster-extension\/\/assets\/icon\/sad.svg\" alt=\"Sad\">\n                    <\/a>\n                    <div class=\"twp-reaction-title\">\n                        Sad                    <\/div>\n                    <div class=\"twp-count-percent\">\n                                                    <span style=\"display: none;\" class=\"twp-react-count\">0<\/span>\n                                                                        <span class=\"twp-react-percent\"><span>0<\/span> %<\/span>\n                                            <\/div>\n                <\/div>\n\n                <div class=\"twp-reacts-wrap\">\n                    <a react-data=\"be-react-3\" post-id=\"3296\" class=\"be-face-icons un-reacted\" href=\"javascript:void(0)\">\n                        <img decoding=\"async\" src=\"https:\/\/blog.coderfan.org\/wp-content\/plugins\/booster-extension\/\/assets\/icon\/excited.svg\" alt=\"Excited\">\n                    <\/a>\n                    <div class=\"twp-reaction-title\">\n                        Excited                    <\/div>\n                    <div class=\"twp-count-percent\">\n                                                    <span style=\"display: none;\" class=\"twp-react-count\">2<\/span>\n                                                                        <span class=\"twp-react-percent\"><span>40<\/span> %<\/span>\n                                            <\/div>\n                <\/div>\n\n                <div class=\"twp-reacts-wrap\">\n                    <a react-data=\"be-react-6\" post-id=\"3296\" class=\"be-face-icons un-reacted\" href=\"javascript:void(0)\">\n                        <img decoding=\"async\" src=\"https:\/\/blog.coderfan.org\/wp-content\/plugins\/booster-extension\/\/assets\/icon\/sleepy.svg\" alt=\"Sleepy\">\n                    <\/a>\n                    <div class=\"twp-reaction-title\">\n                        Sleepy                    <\/div>\n                    <div class=\"twp-count-percent\">\n                                                    <span style=\"display: none;\" class=\"twp-react-count\">0<\/span>\n                        \n                                                <span class=\"twp-react-percent\"><span>0<\/span> %<\/span>\n                                            <\/div>\n                <\/div>\n\n                <div class=\"twp-reacts-wrap\">\n                    <a react-data=\"be-react-4\" post-id=\"3296\" class=\"be-face-icons un-reacted\" href=\"javascript:void(0)\">\n                        <img decoding=\"async\" src=\"https:\/\/blog.coderfan.org\/wp-content\/plugins\/booster-extension\/\/assets\/icon\/angry.svg\" alt=\"Angry\">\n                    <\/a>\n                    <div class=\"twp-reaction-title\">Angry<\/div>\n                    <div class=\"twp-count-percent\">\n                                                    <span style=\"display: none;\" class=\"twp-react-count\">0<\/span>\n                                                                        <span class=\"twp-react-percent\"><span>0<\/span> %<\/span>\n                        \n                    <\/div>\n                <\/div>\n\n                <div class=\"twp-reacts-wrap\">\n                    <a react-data=\"be-react-5\" post-id=\"3296\" class=\"be-face-icons un-reacted\" href=\"javascript:void(0)\">\n                        <img decoding=\"async\" src=\"https:\/\/blog.coderfan.org\/wp-content\/plugins\/booster-extension\/\/assets\/icon\/surprise.svg\" alt=\"Surprise\">\n                    <\/a>\n                    <div class=\"twp-reaction-title\">Surprise<\/div>\n                    <div class=\"twp-count-percent\">\n                                                    <span style=\"display: none;\" class=\"twp-react-count\">0<\/span>\n                                                                        <span class=\"twp-react-percent\"><span>0<\/span> %<\/span>\n                                            <\/div>\n                <\/div>\n\n            <\/div>\n        <\/div>","protected":false},"excerpt":{"rendered":"<p>\u9002\u7528\u4e8e\u65b0\u624b\u5c0f\u767d\u76845\u4e2a\u5c0f\u65b9\u6cd5\uff0c\u4fdd\u62a4\u4f60\u7684\u4e3b\u673a\u5b89\u5168\u3002<\/p>","protected":false},"author":1,"featured_media":3307,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_editorskit_title_hidden":false,"_editorskit_reading_time":0,"_editorskit_is_block_options_detached":false,"_editorskit_block_options_position":"{}","om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[4],"tags":[33,26],"class_list":["post-3296","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-bypass-firewalls","tag-linux","tag-vps"],"blocksy_meta":{"styles_descriptor":{"styles":{"desktop":"","tablet":"","mobile":""},"google_fonts":[]}},"aioseo_notices":[],"featured_image_urls":{"full":["https:\/\/blog.coderfan.org\/wp-content\/uploads\/2021\/06\/v2-2f50d4cc72ea444770f9d18d8ad511ad_1440w.jpg",1440,960,false],"thumbnail":["https:\/\/blog.coderfan.org\/wp-content\/uploads\/2021\/06\/v2-2f50d4cc72ea444770f9d18d8ad511ad_1440w-150x150.jpg",150,150,true],"medium":["https:\/\/blog.coderfan.org\/wp-content\/uploads\/2021\/06\/v2-2f50d4cc72ea444770f9d18d8ad511ad_1440w-300x200.jpg",300,200,true],"medium_large":["https:\/\/blog.coderfan.org\/wp-content\/uploads\/2021\/06\/v2-2f50d4cc72ea444770f9d18d8ad511ad_1440w-768x512.jpg",768,512,true],"large":["https:\/\/blog.coderfan.org\/wp-content\/uploads\/2021\/06\/v2-2f50d4cc72ea444770f9d18d8ad511ad_1440w-1024x683.jpg",1024,683,true],"1536x1536":["https:\/\/blog.coderfan.org\/wp-content\/uploads\/2021\/06\/v2-2f50d4cc72ea444770f9d18d8ad511ad_1440w.jpg",1440,960,false],"2048x2048":["https:\/\/blog.coderfan.org\/wp-content\/uploads\/2021\/06\/v2-2f50d4cc72ea444770f9d18d8ad511ad_1440w.jpg",1440,960,false],"trp-custom-language-flag":["https:\/\/blog.coderfan.org\/wp-content\/uploads\/2021\/06\/v2-2f50d4cc72ea444770f9d18d8ad511ad_1440w-18x12.jpg",18,12,true]},"post_excerpt_stackable":"<p>\u9002\u7528\u4e8e\u65b0\u624b\u5c0f\u767d\u76845\u4e2a\u5c0f\u65b9\u6cd5\uff0c\u4fdd\u62a4\u4f60\u7684\u4e3b\u673a\u5b89\u5168\u3002<\/p>\n","category_list":"<a href=\"https:\/\/blog.coderfan.org\/en\/category\/bypass-firewalls\" rel=\"category tag\">\u79d1\u5b66\u4e0a\u7f51<\/a>","author_info":{"name":"FranzKafka95","url":"https:\/\/blog.coderfan.org\/en\/author\/yushenglonely95"},"comments_num":"0 comments","featured_image_urls_v2":{"full":["https:\/\/blog.coderfan.org\/wp-content\/uploads\/2021\/06\/v2-2f50d4cc72ea444770f9d18d8ad511ad_1440w.jpg",1440,960,false],"thumbnail":["https:\/\/blog.coderfan.org\/wp-content\/uploads\/2021\/06\/v2-2f50d4cc72ea444770f9d18d8ad511ad_1440w-150x150.jpg",150,150,true],"medium":["https:\/\/blog.coderfan.org\/wp-content\/uploads\/2021\/06\/v2-2f50d4cc72ea444770f9d18d8ad511ad_1440w-300x200.jpg",300,200,true],"medium_large":["https:\/\/blog.coderfan.org\/wp-content\/uploads\/2021\/06\/v2-2f50d4cc72ea444770f9d18d8ad511ad_1440w-768x512.jpg",768,512,true],"large":["https:\/\/blog.coderfan.org\/wp-content\/uploads\/2021\/06\/v2-2f50d4cc72ea444770f9d18d8ad511ad_1440w-1024x683.jpg",1024,683,true],"1536x1536":["https:\/\/blog.coderfan.org\/wp-content\/uploads\/2021\/06\/v2-2f50d4cc72ea444770f9d18d8ad511ad_1440w.jpg",1440,960,false],"2048x2048":["https:\/\/blog.coderfan.org\/wp-content\/uploads\/2021\/06\/v2-2f50d4cc72ea444770f9d18d8ad511ad_1440w.jpg",1440,960,false],"trp-custom-language-flag":["https:\/\/blog.coderfan.org\/wp-content\/uploads\/2021\/06\/v2-2f50d4cc72ea444770f9d18d8ad511ad_1440w-18x12.jpg",18,12,true]},"post_excerpt_stackable_v2":"<p>\u9002\u7528\u4e8e\u65b0\u624b\u5c0f\u767d\u76845\u4e2a\u5c0f\u65b9\u6cd5\uff0c\u4fdd\u62a4\u4f60\u7684\u4e3b\u673a\u5b89\u5168\u3002<\/p>\n","category_list_v2":"<a href=\"https:\/\/blog.coderfan.org\/en\/category\/bypass-firewalls\" rel=\"category tag\">\u79d1\u5b66\u4e0a\u7f51<\/a>","author_info_v2":{"name":"FranzKafka95","url":"https:\/\/blog.coderfan.org\/en\/author\/yushenglonely95"},"comments_num_v2":"0 comments","_links":{"self":[{"href":"https:\/\/blog.coderfan.org\/en\/wp-json\/wp\/v2\/posts\/3296","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.coderfan.org\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.coderfan.org\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.coderfan.org\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.coderfan.org\/en\/wp-json\/wp\/v2\/comments?post=3296"}],"version-history":[{"count":10,"href":"https:\/\/blog.coderfan.org\/en\/wp-json\/wp\/v2\/posts\/3296\/revisions"}],"predecessor-version":[{"id":3593,"href":"https:\/\/blog.coderfan.org\/en\/wp-json\/wp\/v2\/posts\/3296\/revisions\/3593"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/blog.coderfan.org\/en\/wp-json\/wp\/v2\/media\/3307"}],"wp:attachment":[{"href":"https:\/\/blog.coderfan.org\/en\/wp-json\/wp\/v2\/media?parent=3296"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.coderfan.org\/en\/wp-json\/wp\/v2\/categories?post=3296"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.coderfan.org\/en\/wp-json\/wp\/v2\/tags?post=3296"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}