{"id":33531,"date":"2026-10-12T10:00:00","date_gmt":"2026-10-12T02:00:00","guid":{"rendered":"https:\/\/cn.hostease.com\/blog\/?p=33531"},"modified":"2026-10-13T13:57:10","modified_gmt":"2026-10-13T05:57:10","slug":"cloud-server-security-group-configuration","status":"publish","type":"post","link":"https:\/\/cn.hostease.com\/blog\/guides\/cloud-server-security-group-configuration\/","title":{"rendered":"\u4e91\u670d\u52a1\u5668\u5b89\u5168\u7ec4\u914d\u7f6e\uff1a\u7aef\u53e3\u6700\u5c0f\u5316\u5f00\u653e\u4e0e\u5185\u7f51\u9694\u79bb\u5b9e\u8df5"},"content":{"rendered":"<p>\u4e00\u53f0\u521a\u5f00\u901a\u7684\u4e91\u670d\u52a1\u5668\uff08\u7531\u4e91\u5e73\u53f0\u63d0\u4f9b\u7684\u5f39\u6027<a href=\"https:\/\/cn.hostease.com\/web-hosting\/\">\u865a\u62df\u4e3b\u673a<\/a>\uff09\u5f80\u5f80\u5728\u51e0\u5c0f\u65f6\u5185\u5c31\u4f1a\u88ab\u4e92\u8054\u7f51\u4e0a\u7684\u626b\u63cf\u5668\u76ef\u4e0a\uff1a\u9ed8\u8ba4 22 \u7aef\u53e3\u6bcf\u5929\u53ef\u80fd\u6536\u5230\u4e0a\u5343\u6b21\u767b\u5f55\u5c1d\u8bd5\uff0c\u6570\u636e\u5e93\u7aef\u53e3\u4e00\u65e6\u88f8\u9732\uff0c\u653b\u51fb\u8005\u53ef\u4ee5\u5728\u5206\u949f\u7ea7\u5b8c\u6210\u7206\u7834\u548c\u6ce8\u5165\u3002\u8981\u89e3\u51b3&#8221;\u5982\u4f55\u628a\u66b4\u9732\u9762\u538b\u5230\u6700\u5c0f&#8221;\u8fd9\u4e2a\u95ee\u9898\uff0c\u5b89\u5168\u7ec4\uff08\u4e00\u79cd\u4f5c\u7528\u5728\u5b9e\u4f8b\u5916\u5c42\u7684\u865a\u62df\u9632\u706b\u5899\uff09\u662f\u6700\u76f4\u63a5\u7684\u7b2c\u4e00\u9053\u95f8\u95e8\u3002<\/p>\n<p>\u672c\u6587\u6559\u4f60\u7528\u4e00\u5957\u53ef\u590d\u5236\u7684\u6d41\u7a0b\u5b8c\u6210\u4e91\u670d\u52a1\u5668\u5b89\u5168\u7ec4\u914d\u7f6e\uff1a\u5148\u7406\u6e05\u89c4\u5219\u5339\u914d\u903b\u8f91\uff0c\u518d\u505a\u7aef\u53e3\u6700\u5c0f\u5316\u5f00\u653e\uff0c\u7136\u540e\u6309\u4e1a\u52a1\u89d2\u8272\u5212\u5206\u5b50\u7f51\u5b9e\u73b0\u5185\u7f51\u9694\u79bb\uff08\u901a\u8fc7\u5206\u7ec4\u548c\u6700\u5c0f\u6388\u6743\u9650\u5236\u7f51\u6bb5\u4e4b\u95f4\u7684\u8bbf\u95ee\uff09\uff0c\u6700\u540e\u7ed9\u51fa\u53d8\u66f4\u3001\u6f14\u7ec3\u548c\u5de1\u68c0\u7684\u5177\u4f53\u505a\u6cd5\u3002\u5168\u7a0b\u53ea\u9700\u8981\u63a7\u5236\u53f0\u548c\u51e0\u6761\u547d\u4ee4\uff0c\u4e0d\u9700\u8981\u989d\u5916\u91c7\u8d2d\u8bbe\u5907\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/cn.hostease.com\/blog\/wp-content\/uploads\/2026\/10\/cloud-server-security-group-cover.webp\" alt=\"\u5b89\u5168\u7ec4\u50cf\u4e00\u9053\u9ed8\u8ba4\u62d2\u7edd\u7684\u8fc7\u6ee4\u5c42\uff0c\u53ea\u653e\u884c\u4e1a\u52a1\u5fc5\u9700\u7684\u7aef\u53e3\" loading=\"lazy\" \/><\/p>\n<h2>\u5148\u5f04\u61c2\u5b89\u5168\u7ec4\u7684\u5339\u914d\u903b\u8f91\uff0c\u518d\u8c08\u914d\u7f6e<\/h2>\n<p>\u5f88\u591a\u6545\u969c\u7684\u6839\u6e90\u662f\u914d\u7f6e\u524d\u6ca1\u641e\u6e05\u695a\u4e24\u6761\u57fa\u672c\u903b\u8f91\u3002\u7b2c\u4e00\uff0c\u7edd\u5927\u591a\u6570\u4e91\u5e73\u53f0\u7684\u5b89\u5168\u7ec4\u662f&#8221;\u767d\u540d\u5355&#8221;\u6a21\u578b\uff1a\u4f60\u53ea\u5b9a\u4e49\u653e\u884c\u89c4\u5219\uff0c\u672a\u547d\u4e2d\u4efb\u4f55\u653e\u884c\u89c4\u5219\u7684\u6d41\u91cf\u9ed8\u8ba4\u62d2\u7edd\u3002\u4e5f\u5c31\u662f\u8bf4\uff0c\u914d\u7f6e\u5b89\u5168\u7ec4\u7684\u672c\u8d28\u4e0d\u662f&#8221;\u963b\u6b62\u8c01&#8221;\uff0c\u800c\u662f&#8221;\u53ea\u5141\u8bb8\u8c01&#8221;\u2014\u2014\u8fd9\u4e2a\u601d\u8def\u8f6c\u8fc7\u6765\u540e\uff0c\u7aef\u53e3\u6700\u5c0f\u5316\u5c31\u53d8\u6210\u4e86\u81ea\u7136\u7ed3\u679c\u3002<\/p>\n<p>\u7b2c\u4e8c\uff0c\u89c4\u5219\u6309\u4f18\u5148\u7ea7\u4ece\u4e0a\u5230\u4e0b\u5339\u914d\uff0c\u547d\u4e2d\u5373\u505c\u6b62\u3002\u5982\u679c\u4f18\u5148\u7ea7 1 \u662f&#8221;\u653e\u884c 0.0.0.0\/0 \u6240\u6709\u7aef\u53e3&#8221;\uff0c\u90a3\u4e48\u6392\u5728\u540e\u9762\u7684\u6240\u6709\u9650\u5236\u89c4\u5219\u90fd\u4e0d\u4f1a\u751f\u6548\u3002\u56e0\u6b64\u6bcf\u6b21\u4fee\u6539\u5b89\u5168\u7ec4\uff0c\u90fd\u8981\u5148\u6309\u4f18\u5148\u7ea7\u4ece\u9ad8\u5230\u4f4e\u8bfb\u4e00\u904d\u73b0\u6709\u89c4\u5219\uff0c\u786e\u8ba4\u6ca1\u6709\u8fc7\u4e8e\u5bbd\u6cdb\u7684\u653e\u884c\u9879\u538b\u5728\u9876\u90e8\u3002\u771f\u5b9e\u6848\u4f8b\u91cc\uff0c\u4e00\u53f0\u4e1a\u52a1\u670d\u52a1\u5668\u88ab\u62d6\u5e93\uff0c\u4e8b\u540e\u6392\u67e5\u53d1\u73b0\u6700\u9876\u90e8\u8eba\u7740\u4e00\u6761\u65e9\u671f\u8c03\u8bd5\u9057\u7559\u7684&#8221;\u5168\u653e\u884c&#8221;\u89c4\u5219\uff0c\u540e\u9762\u7684\u51e0\u5341\u6761\u7cbe\u5fc3\u8bbe\u8ba1\u7684\u89c4\u5219\u5f62\u540c\u865a\u8bbe\u3002<\/p>\n<h2>\u7aef\u53e3\u6700\u5c0f\u5316\u5f00\u653e\uff1a\u4e00\u5f20\u8868\u7ba1\u4f4f\u6240\u6709\u5165\u53e3<\/h2>\n<p>\u7406\u89e3\u4e86\u767d\u540d\u5355\u903b\u8f91\uff0c\u4e0b\u4e00\u6b65\u5c31\u662f\u628a&#8221;\u5141\u8bb8\u8c01&#8221;\u843d\u5230\u4e00\u5f20\u7aef\u53e3\u6e05\u5355\u4e0a\u3002\u6211\u4eec\u5efa\u8bae\u7684\u505a\u6cd5\u662f\u5148\u7528\u4e00\u6761\u547d\u4ee4\u76d8\u70b9\u771f\u5b9e\u76d1\u542c\u60c5\u51b5\uff0c\u518d\u51b3\u5b9a\u54ea\u4e9b\u7aef\u53e3\u503c\u5f97\u653e\u8fdb\u5b89\u5168\u7ec4\uff1a<\/p>\n<pre><code class=\"language-bash\"># \u67e5\u770b\u5f53\u524d\u76d1\u542c\u4e2d\u7684 TCP\/UDP \u7aef\u53e3\u53ca\u5bf9\u5e94\u8fdb\u7a0b\nsudo ss -tulpn | grep LISTEN\n<\/code><\/pre>\n<p>\u5bf9\u7167\u8f93\u51fa\u9010\u884c\u95ee\u4e09\u4e2a\u95ee\u9898\uff1a\u8fd9\u4e2a\u7aef\u53e3\u5bf9\u5e94\u4ec0\u4e48\u4e1a\u52a1\uff1f\u8c01\u9700\u8981\u8bbf\u95ee\u5b83\uff1f\u80fd\u4e0d\u80fd\u628a\u6765\u6e90\u9650\u5236\u5230\u5177\u4f53\u7f51\u6bb5\uff1f\u516c\u7f51 Web \u670d\u52a1\u901a\u5e38\u53ea\u4fdd\u7559 80\/443\uff1b\u8fdc\u7a0b\u7ba1\u7406\u7aef\u53e3\u7edd\u4e0d\u80fd\u5bf9 0.0.0.0\/0 \u5f00\u653e\u2014\u2014SSH\uff08\u4e00\u79cd\u52a0\u5bc6\u7684\u8fdc\u7a0b\u767b\u5f55\u534f\u8bae\uff09\u5efa\u8bae\u6539\u7528\u975e\u9ed8\u8ba4\u7aef\u53e3\uff0c\u5e76\u628a\u6765\u6e90\u9650\u5236\u5230\u529e\u516c\u7f51\u51fa\u53e3 IP\uff1bMySQL \u7684 3306\u3001Redis \u7684 6379 \u8fd9\u7c7b\u6570\u636e\u5c42\u7aef\u53e3\u5219\u5b8c\u5168\u4e0d\u5e94\u5bf9\u516c\u7f51\u653e\u884c\uff0c\u53ea\u5141\u8bb8\u5e94\u7528\u6240\u5728\u5185\u7f51\u7f51\u6bb5\u8bbf\u95ee\u3002<\/p>\n<p>\u843d\u5730\u65f6\u6309&#8221;\u534f\u8bae + \u7aef\u53e3 + \u6765\u6e90&#8221;\u4e09\u8981\u7d20\u5199\u89c4\u5219\uff0c\u6bcf\u6761\u89c4\u5219\u90fd\u586b\u4e0a\u5907\u6ce8\uff0c\u8bf4\u660e\u653e\u884c\u539f\u56e0\u548c\u8d23\u4efb\u4eba\u3002\u4e00\u4e2a 5 \u53f0\u4ee5\u5185\u7684\u5c0f\u578b\u4e1a\u52a1\u96c6\u7fa4\uff0c\u5165\u7ad9\u653e\u884c\u89c4\u5219\u63a7\u5236\u5728 10 \u6761\u4ee5\u5185\u662f\u5408\u7406\u76ee\u6807\uff1b\u8d85\u8fc7\u8fd9\u4e2a\u6570\uff0c\u901a\u5e38\u8bf4\u660e\u6709\u8c03\u8bd5\u671f\u9057\u7559\u89c4\u5219\u6ca1\u6709\u6e05\u7406\u3002\u8fd9\u91cc\u6709\u4e00\u6761\u7ecf\u8fc7\u9a8c\u8bc1\u7684\u57fa\u51c6\uff1a\u6765\u6e90\u7f51\u6bb5\u6536\u7d27\u5230 \/24 \u751a\u81f3\u5355 IP \u540e\uff0c\u626b\u63cf\u5668\u6bcf\u5929\u4ea7\u751f\u7684\u65e0\u6548\u8bf7\u6c42\u53ef\u4ee5\u4e0b\u964d 95% \u4ee5\u4e0a\uff0c\u65e5\u5fd7\u566a\u97f3\u548c\u7206\u7834\u98ce\u9669\u540c\u6b65\u964d\u4f4e\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/cn.hostease.com\/blog\/wp-content\/uploads\/2026\/10\/cloud-server-security-group-rules.webp\" alt=\"\u5165\u7ad9\u89c4\u5219\u6309\u987a\u5e8f\u5339\u914d\uff0c\u672a\u547d\u4e2d\u653e\u884c\u89c4\u5219\u7684\u6d41\u91cf\u4e00\u5f8b\u62d2\u7edd\" loading=\"lazy\" \/><\/p>\n<p>\u89c4\u5219\u5199\u5b8c\u4e0d\u8981\u51ed\u611f\u89c9\u6536\u5de5\uff0c\u4ece\u5916\u90e8\u5b9e\u9645\u9a8c\u8bc1\u4e00\u904d\uff1a<\/p>\n<pre><code class=\"language-bash\"># \u5728\u5916\u90e8\u673a\u5668\u4e0a\u63a2\u6d4b\u5173\u952e\u7aef\u53e3\uff0c\u9884\u671f\uff1a443 \u901a\u30013306 \u4e0d\u901a\nnmap -Pn -p 22,80,443,3306,6379 &lt;\u670d\u52a1\u5668\u516c\u7f51IP&gt;\n<\/code><\/pre>\n<h2>\u5185\u7f51\u9694\u79bb\uff1a\u6309\u4e1a\u52a1\u89d2\u8272\u5206\u6bb5\uff0c\u800c\u4e0d\u662f\u4e00\u7f51\u5230\u5e95<\/h2>\n<p>\u7aef\u53e3\u6e05\u5355\u89e3\u51b3\u7684\u662f&#8221;\u5bf9\u5916\u5f00\u591a\u5c11&#8221;\uff0c\u5185\u7f51\u9694\u79bb\u89e3\u51b3\u7684\u662f&#8221;\u8fdb\u6765\u4e4b\u540e\u80fd\u8d70\u591a\u8fdc&#8221;\u3002\u4e24\u8005\u5fc5\u987b\u914d\u5408\uff1a\u4e00\u65e6 Web \u5c42\u88ab\u653b\u7834\uff0c\u653b\u51fb\u8005\u4f1a\u7acb\u523b\u5c1d\u8bd5\u6a2a\u5411\u79fb\u52a8\u5230\u6570\u636e\u5e93\u548c\u7f13\u5b58\uff0c\u5982\u679c\u6574\u4e2a VPC\uff08\u865a\u62df\u79c1\u6709\u7f51\u7edc\uff0c\u4e91\u4e0a\u9694\u79bb\u51fa\u7684\u79c1\u6709\u7f51\u6bb5\uff09\u90fd\u5728\u540c\u4e00\u4e2a\u5927\u4e8c\u5c42\u7f51\u7edc\u91cc\u4e14\u4e92\u901a\u65e0\u963b\uff0c\u6a2a\u5411\u79fb\u52a8\u51e0\u4e4e\u6ca1\u6709\u6210\u672c\u3002<\/p>\n<p>\u9694\u79bb\u7684\u843d\u5730\u65b9\u5f0f\u662f\u628a\u670d\u52a1\u5668\u6309\u4e1a\u52a1\u89d2\u8272\u5206\u5230\u4e0d\u540c\u5b50\u7f51\uff0c\u6bcf\u4e2a\u5b50\u7f51\u7ed1\u5b9a\u72ec\u7acb\u7684\u5b89\u5168\u7ec4\u3002\u4e00\u4e2a\u5178\u578b\u7684\u4e09\u5c42\u7ed3\u6784\u53ef\u4ee5\u8fd9\u6837\u5212\u5206\uff1aWeb \u5c42\u7528 10.0.10.0\/24\uff0c\u5e94\u7528\u5c42\u7528 10.0.20.0\/24\uff0c\u6570\u636e\u5c42\u7528 10.0.30.0\/24\u3002\u5b89\u5168\u7ec4\u4e4b\u95f4\u7684\u6388\u6743\u5173\u7cfb\u4fdd\u6301\u5355\u5411\u2014\u2014Web \u5c42\u5b89\u5168\u7ec4\u53ea\u5141\u8bb8\u8bbf\u95ee\u5e94\u7528\u5c42\u7684\u6307\u5b9a\u7aef\u53e3\uff0c\u5e94\u7528\u5c42\u53ea\u5141\u8bb8\u8bbf\u95ee\u6570\u636e\u5c42\u7684 3306\uff0c\u53cd\u5411\u6d41\u91cf\u4e00\u5f8b\u4e0d\u653e\u884c\u3002\u4e91\u5e73\u53f0\u7684\u5b89\u5168\u7ec4\u666e\u904d\u652f\u6301&#8221;\u4ee5\u53e6\u4e00\u4e2a\u5b89\u5168\u7ec4\u4f5c\u4e3a\u6388\u6743\u6765\u6e90&#8221;\uff0c\u76f4\u63a5\u5f15\u7528\u5e94\u7528\u5c42\u5b89\u5168\u7ec4\u5373\u53ef\uff0c\u4e0d\u9700\u8981\u9010\u53f0\u586b IP\uff0c\u6269\u5bb9\u65f6\u65b0\u5b9e\u4f8b\u81ea\u52a8\u7ee7\u627f\u8bbf\u95ee\u6743\u9650\u3002<\/p>\n<p>\u8de8\u7f51\u6bb5\u7684\u7ba1\u7406\u6d41\u91cf\u5355\u72ec\u7559\u4e00\u6761\u53d7\u63a7\u901a\u9053\uff1a\u53ea\u5728\u529e\u516c\u7f51\u51fa\u53e3 IP \u5230\u5821\u5792\u673a\u4e4b\u95f4\u653e\u884c\uff0c\u8fd0\u7ef4\u4eba\u5458\u7ecf\u5821\u5792\u673a\u8df3\u8f6c\u5230\u5404\u5c42\uff0c\u800c\u4e0d\u662f\u7ed9\u6bcf\u4e2a\u7f51\u6bb5\u90fd\u5f00\u8fdc\u7a0b\u684c\u9762\u6216 SSH \u76f4\u901a\u3002\u8fd9\u6837\u5373\u4f7f\u67d0\u53f0 Web \u670d\u52a1\u5668\u88ab\u62ff\u4e0b\uff0c\u653b\u51fb\u8005\u4ece Web \u5c42\u53d1\u8d77\u7684\u5bf9\u6570\u636e\u5c42\u7684\u8fde\u63a5\u5c1d\u8bd5\u4e5f\u4f1a\u5728\u5b89\u5168\u7ec4\u5904\u88ab\u76f4\u63a5\u4e22\u5f03\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/cn.hostease.com\/blog\/wp-content\/uploads\/2026\/10\/cloud-server-security-group-isolation.webp\" alt=\"\u751f\u4ea7\u4e0e\u529e\u516c\u7f51\u6bb5\u901a\u8fc7\u5b89\u5168\u7ec4\u9694\u79bb\u7684\u62d3\u6251\u793a\u610f\u56fe\" loading=\"lazy\" \/><\/p>\n<p>\u5982\u679c\u4f60\u6b63\u5728\u9009\u578b\u9636\u6bb5\uff0c\u8fd8\u9700\u8981\u7559\u610f\u7f51\u7edc\u7c7b\u578b\u5bf9\u9694\u79bb\u80fd\u529b\u7684\u5f71\u54cd\u2014\u2014\u6211\u4eec\u5728<a href=\"https:\/\/cn.hostease.com\/blog\/comparisons\/vps-cloud-server-difference-comparison\/\">\u4e91\u670d\u52a1\u5668\u548c VPS \u7684\u533a\u522b\u5bf9\u6bd4<\/a>\u91cc\u8be6\u7ec6\u8ba8\u8bba\u8fc7\u5171\u4eab\u73af\u5883\u4e0e\u72ec\u7acb\u79c1\u6709\u7f51\u7edc\u5728\u9694\u79bb\u7c92\u5ea6\u4e0a\u7684\u5dee\u5f02\uff08<a href=\"https:\/\/cn.hostease.com\/vps\/\">VPS<\/a> \u662f\u5728\u4e00\u53f0<a 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