{"id":36498,"date":"2026-10-08T16:27:18","date_gmt":"2026-10-08T08:27:18","guid":{"rendered":"https:\/\/www.varidata.com\/uncategorized-zh-tw\/us-server-port-scan-defense-playbook\/"},"modified":"2026-10-08T16:32:05","modified_gmt":"2026-10-08T08:32:05","slug":"us-server-port-scan-defense-playbook","status":"publish","type":"post","link":"https:\/\/www.varidata.com\/zh-tw\/blog-tc\/us-server-port-scan-defense-playbook\/","title":{"rendered":"\u7f8e\u570b\u4f3a\u670d\u5668\u9023\u63a5\u57e0\u6383\u63cf\u9632\u79a6\u624b\u518a"},"content":{"rendered":"<p>\n      \u5982\u679c\u4f60\u5728\u4e00\u53f0\u5e36\u6709\u516c\u7db2 IPv4 \u4f4d\u5740\u7684<a href=\"https:\/\/www.varidata.com\/zh-tw\/server\/los-angeles\/cn2\/\" target=\"_blank\">\u7f8e\u570b\u4f3a\u670d\u5668<\/a>\u4e0a\u57f7\u884c\u751f\u7522\u8ca0\u8f09\uff0c\u90a3\u9ebc\u5b83\u5e7e\u4e4e\u4e00\u76f4\u90fd\u5728\u88ab\u6383\u63cf\uff0c\u800c\u5ffd\u7565\u9019\u4e9b\u6d41\u91cf\u5c31\u50cf\u628a\u8cc7\u6599\u4e2d\u5fc3\u5927\u9580\u534a\u63a9\u8457\uff1b\u672c\u624b\u518a\u805a\u7126\u53ef\u843d\u5730\u7684\u52a0\u56fa\u65b9\u6848\uff0c\u9762\u5411\u5e0c\u671b\u7372\u5f97\u7f8e\u570b\u4f3a\u670d\u5668\u9023\u63a5\u57e0\u6383\u63cf\u9632\u8b77\u3001\u53c8\u4e0d\u60f3\u88ab\u7406\u8ad6\u6df9\u6c92\u7684\u6280\u8853\u5718\u968a\u3002\n    <\/p>\n<h2><strong>1. \u70ba\u4ec0\u9ebc\u7f8e\u570b\u4f3a\u670d\u5668\u4e0a\u7684\u9023\u63a5\u57e0\u6383\u63cf\u503c\u5f97\u56b4\u8085\u5c0d\u5f85<\/strong><\/h2>\n<p>\n      \u9060\u9060\u770b\u53bb\uff0c\u9023\u63a5\u57e0\u6383\u63cf\u597d\u50cf\u7121\u5bb3\uff1a\u53ea\u662f\u4e00\u4e32\u5c0d\u4e0d\u540c TCP \u6216 UDP \u9023\u63a5\u57e0\u7684\u9023\u7dda\u5617\u8a66\u3002\u5be6\u969b\u4e0a\uff0c\u5b83\u662f\u5e7e\u4e4e\u6240\u6709\u771f\u5be6\u5165\u4fb5\u7684\u524d\u7f6e\u5075\u5bdf\u968e\u6bb5\uff0c\u7528\u4f86\u7e6a\u88fd\u4f60\u66b4\u9732\u7684\u653b\u64ca\u9762\u3001\u6307\u7d0b\u8b58\u5225\u670d\u52d9\uff0c\u4e26\u70ba\u81ea\u52d5\u5316\u6f0f\u6d1e\u5229\u7528\u5de5\u5177\u63d0\u4f9b\u60c5\u5831\u3002\u4f86\u81ea\u5927\u578b\u8cc7\u6599\u4e2d\u5fc3\u7684\u7f8e\u570b IP \u7db2\u6bb5\u88ab\u653b\u64ca\u8005\u8996\u70ba\u9ad8\u50f9\u503c\u4f4d\u5740\u7a7a\u9593\uff0c\u56e0\u6b64\u4efb\u4f55\u8655\u65bc\u9019\u4e9b\u7db2\u6bb5\u4e2d\u7684\u7f8e\u570b\u4f3a\u670d\u5668\u79df\u7528\u6216\u4f3a\u670d\u5668\u8a17\u7ba1\u7bc0\u9ede\uff0c\u90fd\u6703\u81ea\u7136\u800c\u7136\u5730\u9032\u5165\u9810\u8a2d\u6253\u64ca\u6e05\u55ae\u3002\n    <\/p>\n<ul>\n<li>\u71b1\u9580\u7f8e\u570b\u6a5f\u623f\u4e2d\u7684 VPS \u7bc0\u9ede\u548c\u88f8\u6a5f\u4f3a\u670d\u5668\uff0c\u5f9e\u4e0a\u7dda\u958b\u59cb\u5e7e\u5206\u9418\u5167\u5c31\u6703\u88ab\u6383\u63cf\u3002<\/li>\n<li>\u53ea\u8981\u88ab\u767c\u73fe\uff0c\u9810\u8a2d\u670d\u52d9\uff08SSH\u3001RDP\u3001\u8cc7\u6599\u5eab\u9023\u63a5\u57e0\uff09\u5c31\u6703\u7acb\u5373\u906d\u5230\u66b4\u529b\u7834\u89e3\u3002<\/li>\n<li>\u904e\u6642\u7684\u4e2d\u4ecb\u8edf\u9ad4\u6703\u900f\u904e banner \u64f7\u53d6\u548c\u7248\u672c\u6307\u7d0b\u88ab\u5feb\u901f\u9396\u5b9a\u51fa\u4f86\u3002<\/li>\n<\/ul>\n<p>\n      \u5b89\u5168\u76ee\u6a19\u4e26\u4e0d\u662f\u300c\u963b\u6b62\u300d\u9023\u63a5\u57e0\u6383\u63cf\uff1b\u5728\u958b\u653e\u7db2\u969b\u7db2\u8def\u74b0\u5883\u4e0b\u9019\u662f\u4e0d\u53ef\u80fd\u7684\u3002\u66f4\u73fe\u5be6\u7684\u76ee\u6a19\u662f\u6e1b\u5c11\u66b4\u9732\u9762\u3001\u8b93\u767c\u73fe\u904e\u7a0b\u8b8a\u5f97\u75db\u82e6\u3001\u62d6\u6162\u653b\u64ca\u8005\u7bc0\u594f\uff0c\u4e26\u78ba\u4fdd\u4e00\u6b21\u6383\u63cf\u4e0d\u6703\u7acb\u523b\u88ab\u8f49\u5316\u70ba\u53ef\u884c\u7684\u653b\u64ca\u8def\u5f91\u3002\n    <\/p>\n<h2><strong>2. \u901f\u89bd\uff1a\u9023\u63a5\u57e0\u6383\u63cf\u5728\u771f\u5be6\u74b0\u5883\u4e2d\u7684\u5de5\u4f5c\u65b9\u5f0f<\/strong><\/h2>\n<p>\n      \u9023\u63a5\u57e0\u672c\u8cea\u4e0a\u53ea\u662f\u4e00\u500b 16 \u4f4d\u6578\u5b57\uff0c\u7528\u4f86\u628a\u6d41\u91cf\u5b9a\u5411\u5230\u67d0\u500b\u5177\u9ad4\u884c\u7a0b\u3002\u5e38\u898b\u9023\u63a5\u57e0\u5927\u5bb6\u90fd\u5f88\u719f\uff1a22 \u662f SSH\uff0c80 \u548c 443 \u662f HTTP \u548c HTTPS\uff0c3306 \u662f MySQL\uff0c3389 \u662f RDP\uff0c\u7b49\u7b49\u3002\u6383\u63cf\u5668\u6703\u904d\u6b77\u4e00\u7d44\u9023\u63a5\u57e0\u6e05\u55ae\uff0c\u900f\u904e\u5efa\u69cb\u5c01\u5305\u4f86\u63a8\u65b7\u4e09\u4ef6\u4e8b\uff1a\u9023\u63a5\u57e0\u662f\u5426\u958b\u653e\u3001\u53ef\u80fd\u76e3\u807d\u7684\u670d\u52d9\u662f\u4ec0\u9ebc\u3001\u4ee5\u53ca\u7d93\u5e38\u9084\u8981\u63a8\u65b7\u7248\u672c\u6216\u6280\u8853\u68e7\u3002\n    <\/p>\n<ol>\n<li><strong>\u5b8c\u6574 TCP \u9023\u7dda\u6383\u63cf<\/strong>\uff1a\u5b8c\u6210\u4e09\u5411\u4ea4\u63e1\u5f8c\u7acb\u5373\u95dc\u9589\u9023\u7dda\uff1b\u5728\u65e5\u8a8c\u4e2d\u5f88\u5bb9\u6613\u88ab\u767c\u73fe\uff0c\u4f46\u4ecd\u7136\u5ee3\u6cdb\u4f7f\u7528\u3002<\/li>\n<li><strong>SYN \u6383\u63cf<\/strong>\uff1a\u53ea\u9001\u51fa SYN\uff0c\u6839\u64da\u56de\u61c9\u7684 SYN-ACK\/RST \u63a8\u65b7\u72c0\u614b\uff0c\u800c\u4e0d\u5b8c\u6210\u4ea4\u63e1\uff0c\u56e0\u6b64\u66f4\u5feb\u3001\u4e5f\u7a0d\u5fae\u66f4\u96b1\u853d\u3002<\/li>\n<li><strong>UDP \u6383\u63cf<\/strong>\uff1a\u4ee3\u50f9\u66f4\u9ad8\u3001\u566a\u97f3\u66f4\u5927\uff1b\u901a\u5e38\u4f9d\u8cf4 ICMP\u300c\u9023\u63a5\u57e0\u4e0d\u53ef\u9054\u300d\u56de\u61c9\u6216\u5177\u9ad4\u61c9\u7528\u7684\u56de\u8986\u3002<\/li>\n<li><strong>\u7570\u5e38\u65d7\u6a19\u6383\u63cf<\/strong>\uff1aFIN\u3001Xmas\u3001NULL \u7b49\u5947\u7279\u7d44\u5408\uff0c\u4e3b\u8981\u7528\u65bc\u7e5e\u904e\u8a2d\u5b9a\u4e0d\u7576\u7684\u9632\u706b\u7246\u548c\u8001\u820a IDS \u898f\u5247\u3002<\/li>\n<\/ol>\n<p>\n      \u73fe\u4ee3\u653b\u64ca\u8005\u5f88\u5c11\u624b\u52d5\u57f7\u884c\u9019\u4e9b\u52d5\u4f5c\u3002\u66f4\u5e38\u898b\u7684\u505a\u6cd5\u662f\u8b93\u901a\u7528\u6bad\u5c4d\u7db2\u8def\u5c0d\u5927\u898f\u6a21\u7f8e\u570b IP \u7db2\u6bb5\u9032\u884c\u6383\u63cf\uff0c\u5c0b\u627e\u4efb\u4f55\u5e36\u6709\u53ef\u5229\u7528 banner\u3001\u5f31\u5bc6\u78bc\u6216\u5df2\u77e5 CVE \u7684\u670d\u52d9\uff0c\u7136\u5f8c\u628a\u9019\u4e9b\u60c5\u8cc7\u8f38\u9001\u9032\u81ea\u52d5\u5316\u8173\u672c\uff0c\u7528\u4f86\u90e8\u7f72\u60e1\u610f\u8edf\u9ad4\u3001\u4ee3\u7406\u7bc0\u9ede\u6216\u6316\u7926\u7a0b\u5f0f\u3002\n    <\/p>\n<h2><strong>3. \u70ba\u4ec0\u9ebc\u7f8e\u570b\u4f3a\u670d\u5668\u6703\u6301\u7e8c\u5438\u5f15\u6383\u63cf<\/strong><\/strong><\/h2>\n<p>\n      \u4e26\u975e\u6240\u6709\u4f4d\u5740\u7a7a\u9593\u90fd\u662f\u7b49\u50f9\u7684\u3002\u516c\u958b\u7684\u7f8e\u570b\u8cc7\u6599\u4e2d\u5fc3\u7db2\u6bb5\u4e2d\uff0c\u5bc6\u96c6\u627f\u8f09\u8457\u9ad8\u50f9\u503c\u696d\u52d9\uff1a\u652f\u4ed8\u9598\u9053\u3001SaaS \u63a7\u5236\u5e73\u9762\u3001API \u5f8c\u7aef\u4ee5\u53ca\u904a\u6232\u57fa\u790e\u8a2d\u65bd\u3002\u5728\u5927\u898f\u6a21\u6383\u63cf\u6642\uff0c\u653b\u64ca\u8005\u5e0c\u671b IP\u300c\u547d\u4e2d\u6709\u7528\u76ee\u6a19\u300d\u7684\u6a5f\u7387\u6700\u5927\uff1b\u8207\u7f8e\u570b\u96f2\u5340\u57df\u6216\u6210\u719f\u7684\u4f3a\u670d\u5668\u8a17\u7ba1\u6a5f\u623f\u76f8\u6bd4\uff0c\u96a8\u6a5f\u7684\u5bb6\u7528\u5bec\u983b\u7bc0\u9ede\u986f\u7136\u5438\u5f15\u529b\u8981\u5c0f\u5f97\u591a\u3002\n    <\/p>\n<ul>\n<li>\u7f8e\u570b\u5340\u57df\u5f80\u5f80\u540c\u6642\u670d\u52d9\u8de8\u5883\u96fb\u5546\u3001\u4e32\u6d41\u5a92\u9ad4\u6216\u9762\u5411\u5168\u7403\u73a9\u5bb6\u7684\u904a\u6232\u696d\u52d9\u3002<\/li>\n<li>\u9ad8\u983b\u5bec\u548c\u7a69\u5b9a\u8def\u7531\u4f7f\u7f8e\u570b\u7db2\u8def\u6bb5\u5728\u88ab\u653b\u9677\u5f8c\uff0c\u4e5f\u975e\u5e38\u9069\u5408\u642d\u5efa C2 \u6216\u4ee3\u7406\u57fa\u790e\u8a2d\u65bd\u3002<\/li>\n<li>\u90a3\u4e9b\u904b\u884c\u6642\u9593\u6975\u9577\u3001\u4fee\u88dc\u9031\u671f\u7de9\u6162\u7684\u8001\u820a\u4f3a\u670d\u5668\uff0c\u7d93\u5e38\u6703\u5728\u540c\u4e00\u7db2\u6bb5\u88e1\u300c\u5e38\u99d0\u591a\u5e74\u300d\u3002<\/li>\n<\/ul>\n<p>\n      \u6b64\u5916\uff0c\u904e\u5ea6\u8ffd\u6c42\u6210\u672c\u4e5f\u6703\u8b93\u60c5\u6cc1\u66f4\u7cdf\u3002\u5ec9\u50f9\u7684\u975e\u8a17\u7ba1\u4f3a\u670d\u5668\u79df\u7528\u901a\u5e38\u81ea\u5e36\u6975\u70ba\u5bec\u9b06\u7684\u9632\u706b\u7246\u7b56\u7565\u3001\u555f\u7528\u4e86\u904e\u591a\u9810\u8a2d\u670d\u52d9\uff0c\u4e5f\u6c92\u6709\u4efb\u4f55\u300c\u6709\u4e3b\u5f35\u300d\u7684\u5b89\u5168\u57fa\u7dda\u3002\u7576\u4f60\u628a\u95dc\u9375\u696d\u52d9\u5806\u5230\u9019\u7a2e\u7bc0\u9ede\u4e0a\u6642\uff0c\u5f9e\u300c\u88ab\u6383\u63cf\u300d\u5230\u300c\u88ab\u653b\u9677\u300d\u7684\u8ddd\u96e2\u6703\u8b8a\u5f97\u975e\u5e38\u77ed\u3002\n    <\/p>\n<h2><strong>4. \u5982\u4f55\u5224\u65b7\u4f60\u7684\u7f8e\u570b\u4f3a\u670d\u5668\u6b63\u88ab\u6383\u63cf<\/strong><\/h2>\n<p>\n      \u8aaa\u5be6\u8a71\uff0c\u4f60\u7684\u7f8e\u570b\u4f3a\u670d\u5668\u5df2\u7d93\u5728\u88ab\u6383\u63cf\uff1b\u66f4\u6709\u50f9\u503c\u7684\u554f\u984c\u662f\uff1a\u4f60\u7684\u53ef\u89c0\u6e2c\u6027\u68e7\u6709\u6c92\u6709\u8b93\u9019\u4e9b\u6d3b\u52d5\u4e00\u76ee\u4e86\u7136\u3002\u53ea\u8981\u6709\u6700\u57fa\u672c\u7684\u65e5\u8a8c\uff0c\u9019\u4e9b\u6a21\u5f0f\u5f88\u5feb\u5c31\u6703\u6d6e\u73fe\u51fa\u4f86\u3002\n    <\/p>\n<ol>\n<li>\n        <strong>\u65e5\u8a8c\u4e2d\u7684\u9023\u63a5\u57e0\u904d\u6b77<\/strong><br \/>\n        \u4f60\u6703\u770b\u5230\u4f86\u81ea\u540c\u4e00\u5916\u90e8 IP \u7684\u91cd\u8907\u9023\u7dda\u5617\u8a66\uff0c\u6703\u6309\u9023\u7e8c\u9023\u63a5\u57e0\u7bc4\u570d\u300c\u6383\u904e\u53bb\u300d\uff0c\u6709\u6642\u5c0d\u6bcf\u500b\u9023\u63a5\u57e0\u53ea\u767c\u4e00\u5169\u500b\u5c01\u5305\u3002\n      <\/li>\n<li>\n        <strong>\u5354\u5b9a\u4e0d\u76f8\u7b26\u7684\u566a\u97f3<\/strong><br \/>\n        \u61c9\u7528\u65e5\u8a8c\u88e1\u51fa\u73fe\u5947\u602a\u7684\u5c01\u5305\uff08\u4f8b\u5982 HTTP \u76e3\u807d\u57e0\u4e0a\u51fa\u73fe\u4e8c\u9032\u4f4d\u5783\u573e\uff09\uff0c\u56e0\u70ba\u6383\u63cf\u5668\u6703\u5c0d\u6bcf\u500b\u9023\u63a5\u57e0\u90fd\u76f2\u76ee\u9001\u51fa\u4e00\u5c0f\u6bb5 payload\u3002\n      <\/li>\n<li>\n        <strong>\u77ed\u66ab\u7684\u5931\u6557\u9023\u7dda\u6fc0\u589e<\/strong><br \/>\n        SYN \u5c01\u5305\u66b4\u589e\uff0c\u4f46\u5c0d\u61c9\u7684\u5b8c\u6574\u9023\u7dda\u537b\u5f88\u5c11\uff0c\u9019\u901a\u5e38\u53ef\u4ee5\u5728\u9632\u706b\u7246\u8a08\u6578\u5668\u6216\u6d41\u91cf\u8cc7\u6599\u4e2d\u770b\u5230\u3002\n      <\/li>\n<li>\n        <strong>\u6307\u6a19\u5c64\u9762\u7684\u7570\u5e38<\/strong><br \/>\n        NetFlow\u3001eBPF \u6216\u7c21\u55ae\u7684\u7db2\u8def\u4ecb\u9762\u76e3\u63a7\u5716\u4e0a\uff0c\u6703\u986f\u73fe\u51fa\u4f86\u81ea\u5927\u91cf IP \u7684\u91cd\u8907\u3001\u4f4e\u983b\u5bec\u63a2\u6e2c\u6d41\u91cf\u3002\n      <\/li>\n<\/ol>\n<p>\n      \u5373\u4fbf\u53ea\u662f\u7cfb\u7d71\u81ea\u5e36\u7684\u9632\u706b\u7246\u3001\u4f5c\u696d\u7cfb\u7d71\u65e5\u8a8c\u548c\u96f2\u7aef\u5b89\u5168\u9762\u677f\uff0c\u53ea\u8981\u628a\u5b83\u5011\u6536\u96c6\u9032\u96c6\u4e2d\u5316\u65e5\u8a8c\u7ba1\u9053\uff0c\u4e26\u91dd\u5c0d\u300c\u7591\u4f3c\u6383\u63cf\u884c\u70ba\u300d\u505a\u5e7e\u500b\u8f15\u91cf\u8996\u5716\uff0c\u5c31\u8db3\u4ee5\u628a\u9019\u4e9b\u6a21\u5f0f\u53ef\u8996\u5316\u51fa\u4f86\u3002\n    <\/p>\n<h2><strong>5. \u6700\u5c0f\u66b4\u9732\u9762\uff1a\u53ea\u958b\u653e\u771f\u6b63\u9700\u8981\u7684\u9023\u63a5\u57e0<\/strong><\/h2>\n<p>\n      \u5c0d\u591a\u6578\u5718\u968a\u800c\u8a00\uff0c\u6536\u76ca\u6700\u9ad8\u7684\u52d5\u4f5c\u537b\u770b\u4f3c\u6700\u6a38\u7d20\uff1a\u8b93\u66f4\u5c11\u7684\u6771\u897f\u66b4\u9732\u5728\u516c\u7db2\u3002\u4ee4\u4eba\u5403\u9a5a\u7684\u662f\uff0c\u5f88\u591a\u7f8e\u570b\u7bc0\u9ede\u555f\u52d5\u6642\u5c31\u6709\u4e00\u5806\u4e0d\u5fc5\u8981\u670d\u52d9\u5728\u6240\u6709\u7db2\u8def\u4ecb\u9762\u4e0a\u76e3\u807d\uff0c\u6216\u8005\u907a\u5fd8\u5728\u90a3\u88e1\u7684\u6e2c\u8a66\u9023\u63a5\u57e0\u4e00\u76f4\u655e\u958b\u3002\u6bcf\u4e00\u500b\u958b\u653e\u9023\u63a5\u57e0\uff0c\u65e2\u662f\u300c\u767c\u73fe\u8a0a\u865f\u300d\uff0c\u4e5f\u662f\u672a\u4f86\u6f5b\u5728\u7684\u6f0f\u6d1e\u5165\u53e3\u3002\n    <\/p>\n<ul>\n<li>\u900f\u904e <code>ss -tulpen<\/code> \u6216 <code>netstat -tulpen<\/code> \u7b49\u5de5\u5177\u5217\u51fa\u6240\u6709\u76e3\u807d\u901a\u8a0a\u7aef\u3002<\/li>\n<li>\u70ba\u6bcf\u500b\u670d\u52d9\u6253\u6a19\u7c64\uff1a<em>\u5c0d\u516c\u7db2\u958b\u653e<\/em>\u3001<em>\u50c5\u5167\u90e8\u5b58\u53d6<\/em> \u6216 <em>\u4e0d\u61c9\u8a72\u5b58\u5728<\/em>\u3002<\/li>\n<li>\u505c\u7528\u6216\u89e3\u9664\u5b89\u88dd\u90a3\u4e9b\u5df2\u7d93\u8b8a\u6210\u300c\u6c92\u4eba\u77e5\u9053\u5b83\u70ba\u4f55\u5b58\u5728\u300d\u7684\u670d\u52d9\u3002<\/li>\n<li>\u628a\u50c5\u5167\u90e8\u4f7f\u7528\u7684\u670d\u52d9\uff08\u8cc7\u6599\u5eab\u3001\u5feb\u53d6\u3001\u8a0a\u606f\u4f47\u5217\uff09\u7d81\u5b9a\u5230\u672c\u5730\u56de\u5708\u6216\u79c1\u6709 VLAN \u4ecb\u9762\u3002<\/li>\n<\/ul>\n<p>\n      \u5728\u6536\u7dca\u670d\u52d9\u5217\u8868\u4e4b\u5f8c\uff0c\u4f60\u5c31\u53ef\u4ee5\u843d\u5be6\u4e00\u500b\u57fa\u672c\u7b56\u7565\uff1a\u50cf 80 \u548c 443 \u9019\u6a23\u7684\u7528\u6236\u5b58\u53d6\u9023\u63a5\u57e0\u53ef\u4ee5\u9762\u5411\u5168\u7db2\u958b\u653e\uff1b\u5176\u9918\u9023\u63a5\u57e0\u8981\u9ebc\u7f6e\u65bc VPN \u80cc\u5f8c\u3001\u8981\u9ebc\u505a IP \u767d\u540d\u55ae\u63a7\u7ba1\uff0c\u81f3\u5c11\u4e5f\u8981\u6709\u7bc4\u570d\u56b4\u683c\u7684\u9632\u706b\u7246\u898f\u5247\u3002\u50c5\u6b64\u4e00\u6b65\uff0c\u5c31\u80fd\u5927\u5e45\u964d\u4f4e\u4efb\u4f55\u6383\u63cf\u7684\u6295\u8cc7\u5831\u916c\u7387\u3002\n    <\/p>\n<h2><strong>6. \u5229\u7528\u7cfb\u7d71\u9632\u706b\u7246\u8207\u96f2\u7aef\u5b89\u5168\u7fa4\u7d44\u505a\u96d9\u5c64\u52a0\u56fa<\/strong><\/h2>\n<p>\n      \u4e00\u53f0\u6c92\u6709\u9632\u706b\u7246\u3001\u76f4\u63a5\u66b4\u9732\u5728\u7db2\u969b\u7db2\u8def\u7684\u7f8e\u570b\u4f3a\u670d\u5668\uff0c\u672c\u8cea\u4e0a\u662f\u5728\u300c\u5373\u6642\u5ee3\u64ad\u300d\u81ea\u8eab\u670d\u52d9\u6e05\u55ae\u3002\u806f\u5408\u4f7f\u7528\u4e3b\u6a5f\u9632\u706b\u7246\u548c\u96f2\u7aef\u5b89\u5168\u7fa4\u7d44\uff0c\u53ef\u4ee5\u5f62\u6210\u5169\u9053\u7368\u7acb\u9632\u7dda\uff0c\u8b93\u8a2d\u5b9a\u932f\u8aa4\u7684\u61c9\u7528\u6216\u8005\u610f\u5916\u958b\u555f\u7684\u76e3\u807d\u8b8a\u5f97\u96e3\u4ee5\u88ab\u5229\u7528\u3002\n    <\/p>\n<ol>\n<li>\n        <strong>\u628a\u4e3b\u6a5f\u9632\u706b\u7246\u7576\u4f5c\u6700\u5f8c\u9632\u7dda<\/strong><br \/>\n        \u4f7f\u7528 iptables\u3001nftables\u3001firewalld \u6216 UFW \u7b49\u5de5\u5177\uff0c\u8a2d\u5b9a\u9810\u8a2d\u62d2\u7d55\uff08default deny\uff09\uff0c\u7136\u5f8c\u53ea\u660e\u78ba\u653e\u884c\u5c11\u91cf\u5fc5\u9808\u5c0d\u5916\u958b\u653e\u7684\u751f\u7522\u9023\u63a5\u57e0\u3002\n      <\/li>\n<li>\n        <strong>\u628a\u5b89\u5168\u7fa4\u7d44\u7576\u4f5c\u5916\u5c64\u908a\u754c<\/strong><br \/>\n        \u5728\u5e38\u898b\u96f2\u7aef\u74b0\u5883\u4e2d\uff0c\u66ff\u5be6\u4f8b\u7d81\u5b9a\u5b89\u5168\u7fa4\u7d44\uff0c\u8b93\u4e0d\u5408\u898f\u6d41\u91cf\u5728\u9032\u5165\u4e3b\u6a5f\u5354\u5b9a\u68e7\u524d\u5c31\u88ab\u6514\u4e0b\u3002\u628a\u9019\u5c64\u908f\u8f2f\u7576\u4f5c\u7121\u72c0\u614b\u7684\u57fa\u790e\u8a2d\u65bd\u7a0b\u5f0f\u78bc\u4f86\u7dad\u8b77\u3002\n      <\/li>\n<li>\n        <strong>\u7ba1\u7406\u9023\u63a5\u57e0\u8207\u8cc7\u6599\u5eab\u9023\u63a5\u57e0<\/strong><br \/>\n        \u5fc5\u9808\u63a1\u7528\u56b4\u683c\u898f\u5247\uff1a\u53ea\u5141\u8a31 VPN \u7db2\u6bb5\u6216\u7279\u5b9a\u7dad\u904b IP \u5b58\u53d6\u3002\u7fd2\u6163\u5728\u5496\u5561\u9928 Wi\u2011Fi \u4e0b\u7dad\u904b\u7684\u5e33\u865f\uff0c\u61c9\u8a72\u5148\u9023 VPN\uff0c\u518d\u5b58\u53d6 SSH\uff0c\u800c\u4e0d\u662f\u76f4\u9023\u66b4\u9732\u7684\u7ba1\u7406\u9023\u63a5\u57e0\u3002\n      <\/li>\n<li>\n        <strong>\u9650\u901f\u8207\u9023\u7dda\u95be\u503c<\/strong><br \/>\n        \u5c0d SSH \u7b49\u300c\u9ad8\u566a\u97f3\u300d\u9023\u63a5\u57e0\uff0c\u589e\u52a0\u7c21\u55ae\u9650\u901f\u7b56\u7565\u4f86\u62d6\u6162\u66b4\u529b\u7834\u89e3\uff0c\u4e26\u7d50\u5408\u81ea\u52d5\u5c01\u9396\u898f\u5247\u58d3\u7e2e\u653b\u64ca\u8996\u7a97\u3002\n      <\/li>\n<\/ol>\n<p>\n      \u5728\u4e0a\u8ff0\u591a\u5c64\u9632\u8b77\u4e0b\uff0c\u96a8\u610f\u6383\u4f86\u7684\u8173\u672c\u5c0f\u5b50\u5f80\u5f80\u53ea\u80fd\u770b\u5230\u5be5\u5be5\u6578\u500b\u3001\u7d93\u904e\u7cbe\u5fc3\u6311\u9078\u7684\u958b\u653e\u670d\u52d9\u3002\u66f4\u9ad8\u968e\u7684\u5c0d\u624b\u4ecd\u6703\u7a4d\u6975\u63a2\u6e2c\uff0c\u4f46\u4ed6\u5011\u7684\u81ea\u52d5\u5316\u5de5\u5177\u93c8\u6703\u5931\u53bb\u8a31\u591a\u65bd\u5c55\u7a7a\u9593\u3002\n    <\/p>\n<h2><strong>7. \u4e3b\u52d5\u5075\u6e2c\uff1aIDS\u3001IPS \u8207\u81ea\u9069\u61c9\u5c01\u9396<\/strong><\/h2>\n<p>\n      \u88ab\u52d5\u52a0\u56fa\u662f\u57fa\u7dda\uff1b\u4e3b\u52d5\u5075\u6e2c\u8207\u56de\u61c9\uff0c\u5247\u662f\u5728\u300c\u6d6a\u8cbb\u300d\u653b\u64ca\u8005\u6642\u9593\u3002\u5373\u4fbf\u662f\u8f15\u91cf\u7d1a\u7684\u5165\u4fb5\u5075\u6e2c\u90e8\u7f72\uff0c\u4e5f\u80fd\u6a19\u8a18\u51fa\u6383\u63cf\u884c\u70ba\uff0c\u4e26\u5728\u77ed\u6642\u9593\u5167\u5207\u65b7\u9023\u7dda\uff0c\u8db3\u4ee5\u64fe\u4e82\u81ea\u52d5\u5316\u679a\u8209\u6d41\u7a0b\u3002\n    <\/p>\n<ul>\n<li>\n        <strong>\u7db2\u8def\u5c64\u7d1a IDS\/IPS<\/strong><br \/>\n        \u5c0d\u6d41\u91cf\u9032\u884c\u6df1\u5ea6\u6aa2\u6e2c\uff0c\u8b58\u5225\u5df2\u77e5\u7684\u6383\u63cf\u6a21\u5f0f\u6216\u7570\u5e38\u6d41\u91cf\uff0c\u518d\u9078\u64c7\u544a\u8b66\u6216\u5373\u6642\u6ce8\u5165\u5c01\u9396\u898f\u5247\u3002\n      <\/li>\n<li>\n        <strong>\u4e3b\u6a5f\u5c64\u7d1a\u76e3\u63a7<\/strong><br \/>\n        \u5e38\u99d0\u884c\u7a0b\u5c0d\u65e5\u8a8c\u6a94\u9032\u884c\u76e3\u63a7\uff0c\u4e00\u65e6\u767c\u73fe\u540c\u4e00 IP \u5728\u540c\u4e00\u670d\u52d9\u4e0a\u53cd\u8986\u5931\u6557\uff0c\u5c31\u628a\u7d50\u679c\u56de\u5beb\u5230\u9632\u706b\u7246\u898f\u5247\u4e2d\uff0c\u81ea\u52d5\u5c4f\u853d\u3002\n      <\/li>\n<li>\n        <strong>\u57fa\u65bc\u95be\u503c\u7684\u555f\u767c\u5f0f\u898f\u5247<\/strong><br \/>\n        \u5728\u908a\u754c\u8ffd\u8e64\u5916\u90e8 IP \u5728\u77ed\u6642\u9593\u5167\u5b58\u53d6\u7684\u4e0d\u540c\u9023\u63a5\u57e0\u6578\u91cf\uff0c\u4e00\u65e6\u8d85\u904e\u95be\u503c\uff0c\u5c31\u5c07\u5176\u8996\u70ba\u6383\u63cf\u884c\u70ba\u4e26\u9032\u884c\u8655\u7406\u3002\n      <\/li>\n<\/ul>\n<p>\n      \u8a2d\u8a08\u76ee\u6a19\u5f88\u660e\u78ba\uff1a\u8b93\u4efb\u4f55\u9ad8\u983b\u6383\u63cf\u884c\u70ba\u5728\u55ae\u4e00\u4f86\u6e90 IP \u4e0a\u90fd\u8b8a\u5f97\u300c\u81ea\u8a0e\u82e6\u5403\u300d\uff0c\u540c\u6642\u76e1\u91cf\u6e1b\u5c11\u5c0d\u90a3\u4e9b\u5076\u7136\u8a2d\u5b9a\u932f\u8aa4\u7684\u6b63\u5e38\u4f7f\u7528\u8005\u6216\u81ea\u52d5\u5316\u8173\u672c\u7684\u8aa4\u50b7\u3002\n    <\/p>\n<h2><strong>8. Fail2ban \u53ca\u540c\u985e\u5de5\u5177\uff1a\u5728\u6383\u63cf\u4e4b\u5f8c\u7d42\u7d50\u66b4\u529b\u7834\u89e3<\/strong><\/h2>\n<p>\n      \u5927\u591a\u6578\u653b\u64ca\u8005\u4e0d\u6703\u5728\u767c\u73fe\u958b\u653e\u9023\u63a5\u57e0\u5f8c\u5c31\u6536\u624b\uff1b\u4ed6\u5011\u6703\u7acb\u523b\u5c0d\u627e\u5230\u7684\u670d\u52d9\u767c\u8d77\u6191\u8b49\u586b\u5145\u8207\u66b4\u529b\u7834\u89e3\u3002Fail2ban \u9019\u985e\u5de5\u5177\u770b\u8d77\u4f86\u5f88\u300c\u7121\u804a\u300d\uff0c\u4f46\u5b83\u80fd\u628a\u4f60\u81ea\u5df1\u7684\u65e5\u8a8c\u8b8a\u6210\u53cd\u61c9\u5f0f\u9632\u706b\u7246\u898f\u5247\u5f15\u64ce\uff0c\u628a\u91cd\u8907\u5931\u6557\u7684\u4f86\u6e90\u4e00\u8173\u8e22\u51fa\u53bb\u3002\n    <\/p>\n<ol>\n<li>\u76e3\u63a7 SSH\u3001FTP\u3001SMTP \u6216\u61c9\u7528\u767b\u5165\u7b49\u8a8d\u8b49\u65e5\u8a8c\u3002<\/li>\n<li>\u5b9a\u7fa9\u7c21\u55ae\u6a21\u5f0f\uff0c\u4f8b\u5982\u300c\u540c\u4e00 IP \u5728 60 \u79d2\u5167\u5931\u6557 5 \u6b21\u300d\u3002<\/li>\n<li>\u4e00\u65e6\u7b26\u5408\u689d\u4ef6\uff0c\u5c31\u5c0d\u8a72\u4f86\u6e90\u4f4d\u5740\u65b0\u589e\u4e00\u689d\u5177\u6709\u6548\u671f\u7684\u9632\u706b\u7246\u5c01\u9396\u898f\u5247\u3002<\/li>\n<li>\u628a\u5c01\u9396\u8207\u89e3\u5c01\u4e8b\u4ef6\u4e5f\u9001\u5165\u65e5\u8a8c\u7ba1\u9053\uff0c\u65b9\u4fbf\u53ef\u8996\u5316\u8207\u8abf\u6821\u3002<\/li>\n<\/ol>\n<p>\n      \u5982\u679c\u5728\u6240\u6709\u7f8e\u570b\u7bc0\u9ede\u4e0a\u7d71\u4e00\u90e8\u7f72\uff0c\u9019\u7a2e\u81ea\u52d5\u5316\u6a5f\u5236\u53ef\u4ee5\u628a\u53ef\u9810\u671f\u7684\u66b4\u529b\u7834\u89e3\u6d6a\u6f6e\u8b8a\u6210\u4e00\u9023\u4e32\u300c\u66c7\u82b1\u4e00\u73fe\u300d\u7684\u5931\u6557\u5617\u8a66\uff0c\u5728\u7121\u9700\u4eba\u5de5\u503c\u73ed\u7684\u60c5\u6cc1\u4e0b\u540c\u6642\u964d\u4f4e\u8cc7\u6e90\u6d88\u8017\u548c\u5931\u9677\u98a8\u96aa\u3002\n    <\/p>\n<h2><strong>9. \u5354\u5b9a\u8207\u670d\u52d9\u5c64\u9762\u7684\u52a0\u56fa<\/strong><\/h2>\n<p>\n      \u7d66\u9023\u63a5\u57e0\u300c\u4e0a\u8b77\u7532\u300d\u548c\u6c7a\u5b9a\u662f\u5426\u66b4\u9732\u4e00\u6a23\u91cd\u8981\u3002\u5373\u4f7f\u9632\u706b\u7246\u898f\u5247\u5b8c\u7f8e\uff0c\u5982\u679c\u4e00\u500b\u8a2d\u5b9a\u8584\u5f31\u7684 SSH \u6216 RDP \u76e3\u807d\u76f4\u63a5\u66b4\u9732\u5728\u516c\u7db2\uff0c\u9072\u65e9\u6703\u5012\u5728\u6d29\u6f0f\u6191\u8b49\u6216\u5ec9\u50f9\u66b4\u529b\u7834\u89e3\u8173\u672c\u9762\u524d\u3002\u9019\u6b63\u662f\u5e95\u5c64\u885b\u751f\u7fd2\u6163\u53ef\u4ee5\u7acb\u523b\u7522\u751f\u56de\u5831\u7684\u5730\u65b9\u3002\n    <\/p>\n<ul>\n<li>\n        <strong>SSH<\/strong><br \/>\n        \u5f37\u5236\u4f7f\u7528\u91d1\u9470\u9a57\u8b49\uff0c\u505c\u7528\u5bc6\u78bc\u767b\u5165\uff0c\u4e26\u8003\u616e\u628a SSH \u9023\u63a5\u57e0\u5f9e 22 \u6539\u5230\u5176\u4ed6\u9023\u63a5\u57e0\u4ee5\u6e1b\u5c11\u81ea\u52d5\u6383\u63cf\u566a\u97f3\uff0c\u540c\u6642\u5c0d\u53ef\u767b\u5165\u4f7f\u7528\u8005\u505a\u56b4\u683c\u767d\u540d\u55ae\u7ba1\u63a7\u3002\n      <\/li>\n<li>\n        <strong>RDP<\/strong><br \/>\n        \u5982\u679c\u53ef\u4ee5\uff0c\u5118\u91cf\u4e0d\u8981\u76f4\u63a5\u66b4\u9732 RDP\u3002\u4f7f\u7528 VPN\u3001\u9598\u9053\u8207\u5f37\u5f0f\u591a\u56e0\u5b50\u9a57\u8b49\u3002\u5982\u679c\u4e0d\u5f97\u4e0d\u66b4\u9732\uff0c\u4e00\u5b9a\u8981\u555f\u7528\u5e33\u865f\u9396\u5b9a\u8207\u5f37\u529b\u76e3\u63a7\u3002\n      <\/li>\n<li>\n        <strong>\u8cc7\u6599\u5eab<\/strong><br \/>\n        \u7d81\u5b9a\u5728\u79c1\u6709\u7db2\u8def\u4e0a\uff0c\u4f7f\u7528 TLS \u52a0\u5bc6\u9023\u7dda\uff0c\u4e26\u628a\u300c\u66b4\u9732\u8cc7\u6599\u5eab\u9023\u63a5\u57e0\u300d\u8996\u70ba\u5fc5\u9808\u5118\u5feb\u6d88\u9664\u7684\u56b4\u91cd\u8a2d\u5b9a\u932f\u8aa4\u3002\n      <\/li>\n<li>\n        <strong>Web \u6280\u8853\u68e7<\/strong><br \/>\n        \u5168\u9762\u555f\u7528 HTTPS\uff0c\u7a4d\u6975\u5957\u7528\u4fee\u88dc\u7a0b\u5f0f\uff0c\u628a\u975e\u516c\u958b\u7ba1\u7406\u5f8c\u53f0\u653e\u5728 VPN\u3001IP \u767d\u540d\u55ae\u6216\u81f3\u5c11\u7368\u7acb\u9a57\u8b49\u5c64\u5f8c\u9762\u3002\n      <\/li>\n<\/ul>\n<p>\n      \u9019\u4e9b\u63a7\u5236\u624b\u6bb5\u758a\u52a0\u4e4b\u5f8c\uff0c\u5373\u4fbf\u67d0\u500b\u9023\u63a5\u57e0\u5728\u4f60\u7684\u52a0\u56fa\u7b56\u7565\u4e2d\u300c\u5016\u5b58\u300d\uff0c\u4e00\u65e6\u88ab\u96a8\u6a5f\u6383\u63cf\u547d\u4e2d\uff0c\u4e5f\u4e0d\u592a\u53ef\u80fd\u8f15\u6613\u88ab\u7528\u4f86\u53d6\u5f97\u7a69\u5b9a\u7acb\u8db3\u9ede\u3002\n    <\/p>\n<h2><strong>10. \u5728\u7f8e\u570b\u4f3a\u670d\u5668\u524d\u9762\u90e8\u7f72 WAF\u3001CDN \u8207\u6d41\u91cf\u6574\u5f62<\/strong><\/h2>\n<p>\n      \u5c0d\u65bc HTTP \u8207 HTTPS \u696d\u52d9\uff0c\u628a\u7b2c\u4e00\u89f8\u9ede\u5f9e\u6e90\u7ad9\u7bc0\u9ede\u524d\u79fb\uff0c\u6703\u5f9e\u6839\u672c\u4e0a\u6539\u8b8a\u5c40\u9762\u3002\u6210\u719f\u7684 WAF \u6216 CDN \u908a\u7de3\u4e0d\u50c5\u80fd\u52a0\u901f\u975c\u614b\u8cc7\u6e90\uff0c\u9084\u80fd\u541e\u6389\u6d77\u91cf\u566a\u97f3\u6d41\u91cf\uff0c\u4e26\u628a\u898f\u5247\u524d\u79fb\u5230\u7f8e\u570b\u4f3a\u670d\u5668\u4e4b\u5916\u3002\n    <\/p>\n<ol>\n<li>\n        <strong>\u96b1\u85cf\u6e90\u7ad9\u7d30\u7bc0<\/strong><br \/>\n        \u78ba\u4fdd DNS \u548c TLS \u8a2d\u5b9a\u4e0d\u6703\u4e0d\u5fc5\u8981\u5730\u6d29\u9732\u6e90\u7ad9 IP\uff1b\u628a\u6e90\u7ad9\u7576\u4f5c\u53ea\u88ab\u908a\u7de3\u7bc0\u9ede\u5b58\u53d6\u7684\u5167\u90e8\u7bc0\u9ede\uff0c\u53ea\u5c0d WAF\/CDN \u958b\u653e 80 \u548c 443\u3002\n      <\/li>\n<li>\n        <strong>\u908a\u7de3\u898f\u5247<\/strong><br \/>\n        \u5728\u908a\u7de3\u5be6\u73fe\u9650\u901f\u3001\u57fa\u790e\u722c\u87f2\u8b58\u5225\u548c\u5b89\u5168\u898f\u5247\uff0c\u628a\u660e\u986f\u5783\u573e\u6d41\u91cf\u5728\u9084\u6c92\u5f71\u97ff\u983b\u5bec\u5e33\u55ae\u6216\u4f3a\u670d\u5668\u65e5\u8a8c\u4e4b\u524d\u5c31\u4e1f\u6389\u3002\n      <\/li>\n<li>\n        <strong>\u5206\u96e2\u7ba1\u7406\u5e73\u9762<\/strong><br \/>\n        \u5118\u53ef\u80fd\u8b93\u7ba1\u7406\u4ecb\u9762\u548c\u5167\u90e8 API \u4e0d\u7d93\u904e CDN\uff0c\u4e5f\u4e0d\u66b4\u9732\u5728\u516c\u5171\u8def\u7531\u4e0a\uff0c\u4f7f\u5f97\u91dd\u5c0d\u516c\u5171\u7db2\u57df\u540d\u7a31\u7684\u9023\u63a5\u57e0\u6383\u63cf\u53ea\u80fd\u6253\u5230\u90a3\u4e9b\u5df2\u7d93\u52a0\u56fa\u3001\u4e14\u884c\u70ba\u53ef\u9810\u671f\u7684\u524d\u7aef\u9762\u3002\n      <\/li>\n<\/ol>\n<p>\n      \u63a1\u7528\u9019\u7a2e\u67b6\u69cb\u5f8c\uff0c\u4f60\u7684\u6e90\u7ad9\u7bc0\u9ede\u5728\u7db2\u969b\u7db2\u8def\u4e0a\u5e7e\u4e4e\u300c\u96b1\u5f62\u300d\uff0c\u53ea\u6709 CDN \u6216 WAF \u80fd\u76f4\u63a5\u63a5\u89f8\u5b83\u5011\uff0c\u5927\u5e45\u964d\u4f4e\u4e86\u76f4\u63a5\u6383\u63cf\u5c0d\u653b\u64ca\u8005\u7684\u50f9\u503c\u3002\n    <\/p>\n<h2><strong>11. \u5728\u7f8e\u570b\u4f3a\u670d\u5668\u79df\u7528\u8207\u4f3a\u670d\u5668\u8a17\u7ba1\u74b0\u5883\u4e2d\u71df\u904b\u5b89\u5168<\/strong><\/h2>\n<p>\n      \u6280\u8853\u63a7\u5236\u7684\u6301\u4e45\u6027\u53d6\u6c7a\u65bc\u652f\u6490\u5b83\u5011\u7684\u6d41\u7a0b\u3002\u7121\u8ad6\u4f60\u90e8\u7f72\u5728\u50b3\u7d71\u4f3a\u670d\u5668\u79df\u7528\u3001\u88f8\u6a5f\u4f3a\u670d\u5668\u8a17\u7ba1\uff0c\u9084\u662f\u96f2\u7aef\u5be6\u4f8b\u4e0a\uff0c\u90fd\u9700\u8981\u4e00\u5957\u53ef\u91cd\u8907\u7684\u5de5\u4f5c\u6d41\u7a0b\uff0c\u9577\u671f\u58d3\u5236\u9023\u63a5\u57e0\u66b4\u9732\u548c\u8a2d\u5b9a\u6f02\u79fb\u3002\n    <\/p>\n<ul>\n<li>\n        <strong>\u57fa\u7dda\u7bc4\u672c<\/strong><br \/>\n        \u628a\u52a0\u56fa\u904e\u7684\u9632\u706b\u7246\u8207\u670d\u52d9\u8a2d\u5b9a\u6c89\u6fb1\u6210\u9ec3\u91d1\u6620\u50cf\u6a94\u6216\u57fa\u790e\u8a2d\u65bd\u7a0b\u5f0f\u78bc\uff0c\u8b93\u65b0\u5efa\u7684\u7f8e\u570b\u4f3a\u670d\u5668\u81ea\u52d5\u7e7c\u627f\u9019\u4e9b\u8a2d\u5b9a\u3002\n      <\/li>\n<li>\n        <strong>\u6301\u7e8c\u6383\u63cf\u81ea\u6709\u8cc7\u7522<\/strong><br \/>\n        \u5b9a\u671f\u5f9e\u53ef\u4fe1 vantage point \u767c\u8d77\u81ea\u67e5\u6383\u63cf\uff08\u5982 nmap\uff09\uff0c\u6301\u7e8c\u9a57\u8b49\u53ea\u6709\u9810\u671f\u9023\u63a5\u57e0\u5c0d\u5916\u53ef\u898b\u3002\n      <\/li>\n<li>\n        <strong>\u4fee\u88dc\u8207\u8b8a\u66f4\u8996\u7a97<\/strong><br \/>\n        \u628a\u9023\u63a5\u57e0\u8b8a\u66f4\u3001\u9632\u706b\u7246\u66f4\u65b0\u8207\u8edf\u9ad4\u4fee\u88dc\u6574\u5408\u9032\u6709\u8a08\u756b\u7684\u8b8a\u66f4\u8996\u7a97\uff0c\u4ee5\u4fbf\u5728\u6709\u8108\u7d61\u7684\u60c5\u6cc1\u4e0b\u89c0\u5bdf\u8207\u9664\u932f\u3002\n      <\/li>\n<li>\n        <strong>\u5b89\u5168\u4e8b\u4ef6\u9810\u6848<\/strong><br \/>\n        \u91dd\u5c0d\u53ef\u7591\u6383\u63cf\u9ad8\u5cf0\u6216\u7591\u4f3c\u5931\u9677\uff0c\u5236\u5b9a\u660e\u78ba\u6b65\u9a5f\uff1a\u8490\u96c6\u65e5\u8a8c\u3001\u5feb\u7167\u5be6\u4f8b\u3001\u8f2a\u63db\u6191\u8b49\u3001\u5be9\u67e5\u9632\u706b\u7246\u8a18\u9304\u7b49\u3002\n      <\/li>\n<\/ul>\n<p>\n      \u96a8\u8457\u6642\u9593\u63a8\u79fb\uff0c\u9019\u6703\u628a\u6700\u521d\u7565\u986f\u81e8\u6642\u7684\u300c\u52a0\u56fa\u4efb\u52d9\u300d\uff0c\u5347\u7d1a\u70ba\u90e8\u7f72\u6d41\u6c34\u7dda\u4e2d\u7684\u7a69\u5b9a\u4e00\u74b0\uff0c\u986f\u8457\u6e1b\u5c11\u6e2c\u8a66\u9023\u63a5\u57e0\u6216\u907a\u5fd8\u670d\u52d9\u88ab\u610f\u5916\u66b4\u9732\u7684\u6a5f\u6703\u3002\n    <\/p>\n<h2><strong>12. \u4ee5\u5b89\u5168\u70ba\u512a\u5148\u9078\u64c7\u7f8e\u570b\u4f3a\u670d\u5668\u5e73\u53f0<\/strong><\/h2>\n<p>\n      \u4e26\u975e\u6240\u6709\u7f8e\u570b\u57fa\u790e\u8a2d\u65bd\u670d\u52d9\u5546\u90fd\u540c\u6a23\u91cd\u8996\u5b89\u5168\u6613\u7528\u6027\u3002\u7576\u4f60\u6a6b\u5411\u6bd4\u8f03\u5e73\u53f0\u6216\u7522\u54c1\u7b49\u7d1a\u6642\uff0c\u8981\u95dc\u6ce8\u90a3\u4e9b\u80fd\u5929\u751f\u652f\u63f4\u9023\u63a5\u57e0\u6383\u63cf\u9632\u79a6\u7684\u300c\u539f\u751f\u80fd\u529b\u300d\uff0c\u800c\u4e0d\u662f\u8feb\u4f7f\u4f60\u4e8b\u5f8c\u7528\u8173\u672c\u53bb\u7e2b\u7e2b\u88dc\u88dc\u3002\u6469\u64e6\u8d8a\u5c0f\uff0c\u4f60\u7684\u5718\u968a\u5c31\u8d8a\u6709\u53ef\u80fd\u9577\u671f\u7dad\u6301\u5f37\u5065\u57fa\u7dda\u3002\n    <\/p>\n<ol>\n<li>\u662f\u5426\u539f\u751f\u652f\u63f4\u6309\u5be6\u4f8b\u5340\u5206\u7684\u5b89\u5168\u7fa4\u7d44\u4ee5\u53ca\u5408\u7406\u9810\u8a2d\u503c\u3002<\/li>\n<li>\u662f\u5426\u63d0\u4f9b\u4fbf\u6377\u7684\u81ea\u52d5\u5316\u4ecb\u9762\uff0c\u7528\u65bc\u66f4\u65b0\u9632\u706b\u7246\u898f\u5247\u548c\u5b58\u53d6\u63a7\u5236\u6e05\u55ae\u3002<\/li>\n<li>\u662f\u5426\u53ef\u4ee5\u4f4e\u6210\u672c\u555f\u7528\u53ef\u9078\u7684 WAF\u3001DDoS \u9632\u8b77\u8207\u7db2\u8def\u5206\u6790\u80fd\u529b\u3002<\/li>\n<li>\u662f\u5426\u6e05\u695a\u8aaa\u660e\u5982\u4f55\u628a\u7ba1\u7406\u7db2\u8def\u8207\u516c\u7db2\u696d\u52d9\u7db2\u8def\u9694\u96e2\u3002<\/li>\n<\/ol>\n<p>\n      \u5982\u679c\u4f60\u5df2\u7d93\u9577\u671f\u904b\u884c\u5728\u67d0\u500b\u7f8e\u570b\u5340\u57df\uff0c\u53ef\u4ee5\u628a\u9019\u4e9b\u56e0\u7d20\u8996\u4f5c\u8abf\u6574\u5be6\u4f8b\u578b\u5225\u6216\u7db2\u8def\u62d3\u6a38\u7684\u7406\u7531\uff0c\u800c\u4e0d\u662f\u62d6\u5ef6\u5b89\u5168\u5de5\u4f5c\u7684\u85c9\u53e3\u3002\u300c\u4e8b\u5f8c\u6539\u9020\u300d\u6c38\u9060\u6bd4\u4e00\u958b\u59cb\u6309\u52a0\u56fa\u601d\u8def\u8a2d\u8a08\u4ed8\u51fa\u66f4\u5927\u7684\u4ee3\u50f9\u3002\n    <\/p>\n<h2><strong>13. \u7f8e\u570b\u4f3a\u670d\u5668\u9023\u63a5\u57e0\u6383\u63cf\u9632\u79a6\u7684\u5be6\u7528\u6aa2\u67e5\u6e05\u55ae<\/strong><\/h2>\n<p>\n      \u70ba\u4e86\u628a\u4e0a\u6587\u7684\u6982\u5ff5\u843d\u5be6\u6210\u53ef\u57f7\u884c\u52d5\u4f5c\uff0c\u4e0b\u9762\u7d66\u51fa\u4e00\u4efd\u5be6\u7528\u6aa2\u67e5\u6e05\u55ae\uff0c\u4f60\u53ef\u4ee5\u628a\u5b83\u6539\u9020\u6210\u5167\u90e8 Runbook \u6216 CI \u6d41\u6c34\u7dda\u4e2d\u7684\u4e00\u74b0\u3002\u76ee\u6a19\u662f\u8b93\u6e05\u55ae\u8db3\u5920\u7cbe\u7c21\uff0c\u4ee5\u81f3\u65bc\u5de5\u7a0b\u5e2b\u80fd\u5728\u6bcf\u6b21\u90e8\u7f72\u6642\u90fd\u6a02\u65bc\u57f7\u884c\u3002\n    <\/p>\n<ul>\n<li>\u679a\u8209\u7bc0\u9ede\u4e0a\u6240\u6709\u76e3\u807d\u9023\u63a5\u57e0\u548c\u670d\u52d9\u3002<\/li>\n<li>\u95dc\u9589\u6216\u89e3\u9664\u5b89\u88dd\u4efb\u4f55\u6c92\u6709\u660e\u78ba\u8ca0\u8cac\u4eba\u6216\u7528\u9014\u7684\u670d\u52d9\u3002<\/li>\n<li>\u628a\u50c5\u5167\u90e8\u4f7f\u7528\u7684\u670d\u52d9\u7d81\u5b9a\u5230\u79c1\u6709\u4ecb\u9762\u6216\u672c\u5730\u56de\u5708\u3002<\/li>\n<li>\u5728\u4e3b\u6a5f\u9632\u706b\u7246\u4e0a\u57f7\u884c\u9810\u8a2d\u62d2\u7d55\uff0c\u53ea\u5c0d\u660e\u78ba\u9023\u63a5\u57e0\u653e\u884c\u3002<\/li>\n<li>\u900f\u904e\u5f37\u5f0f\u9a57\u8b49\u3001\u8a73\u7d30\u65e5\u8a8c\u8207\u9650\u901f\u7b56\u7565\u9396\u7dca SSH \u548c RDP\u3002<\/li>\n<li>\u70ba\u9ad8\u98a8\u96aa\u670d\u52d9\u90e8\u7f72 Fail2ban \u4e4b\u985e\u7684\u91cd\u8907\u5931\u6557\u5c01\u9396\u6a5f\u5236\u3002<\/li>\n<li>\u628a\u9762\u5411\u4f7f\u7528\u8005\u7684 HTTP\/HTTPS \u670d\u52d9\u653e\u5728\u9ad8\u80fd\u529b WAF \u6216 CDN \u4e4b\u5f8c\u3002<\/li>\n<li>\u5b9a\u671f\u5f9e\u5916\u90e8\u5c0d\u81ea\u5bb6 IP \u7db2\u6bb5\u548c\u7db2\u57df\u540d\u7a31\u57f7\u884c\u6383\u63cf\u3002<\/li>\n<li>\u5728\u8cc7\u6e90\u7de8\u6392\u5c64\u5118\u91cf\u81ea\u52d5\u5316\u57f7\u884c\u4e0a\u8ff0\u6b65\u9a5f\u3002<\/li>\n<\/ul>\n<p>\n      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href=\"https:\/\/www.varidata.com\/zh-tw\/blog-tc\/us-server-port-scan-defense-playbook\/\">Read More&#8230;<\/a><\/p>\n","protected":false},"author":11,"featured_media":36495,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[267],"tags":[],"class_list":["post-36498","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog-tc"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>\u7f8e\u570b\u4f3a\u670d\u5668\u9023\u63a5\u57e0\u6383\u63cf\u9632\u79a6\u624b\u518a<\/title>\n<meta name=\"description\" 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