{"id":36748,"date":"2026-10-21T17:29:43","date_gmt":"2026-10-21T09:29:43","guid":{"rendered":"https:\/\/www.varidata.com\/uncategorized-zh-tw\/ssh-2fa-for-secure-server-hosting\/"},"modified":"2026-10-21T17:34:14","modified_gmt":"2026-10-21T09:34:14","slug":"ssh-2fa-for-secure-server-hosting","status":"publish","type":"post","link":"https:\/\/www.varidata.com\/zh-tw\/knowledge-tc\/ssh-2fa-for-secure-server-hosting\/","title":{"rendered":"\u70ba\u5b89\u5168\u7684\u4f3a\u670d\u5668\u79df\u7528\u914d\u7f6e SSH \u96d9\u56e0\u7d20\u9a57\u8b49"},"content":{"rendered":"\n<p>\n        \u5728<a href=\"https:\/\/www.varidata.com\/zh-tw\/server\/los-angeles\/\" target=\"_blank\">\u73fe\u4ee3\u4f3a\u670d\u5668\u79df\u7528\u74b0\u5883<\/a>\u4e2d\uff0cSSH 2FA \u5df2\u4e0d\u518d\u53ea\u662f\u300c\u53ef\u6709\u53ef\u7121\u300d\u7684\u5b89\u5168\u5f37\u5316\u9805\uff0c\u800c\u662f\u4e00\u7a2e\u80fd\u5c01\u5835 <a href=\"https:\/\/www.varidata.com\/zh-tw\/blog-tc\/safe-shell-history-cleanup-on-linux-servers\/\" target=\"_blank\">Linux \u7cfb\u7d71<\/a>\u6700\u5e38\u88ab\u6feb\u7528\u9014\u5f91\u4e4b\u4e00\u7684\u9632\u79a6\u63a7\u5236\u624b\u6bb5\u3002\u5982\u679c\u4f60\u7684\u4f3a\u670d\u5668\u66b4\u9732\u5728\u516c\u5171\u7db2\u969b\u7db2\u8def\u4e0a\uff0c\u9060\u7aef Shell \u5b58\u53d6\u5c31\u6703\u6301\u7e8c\u906d\u9047\u63a2\u6e2c\u3001\u731c\u6e2c\u8207\u91cd\u653e\u5617\u8a66\u3002\u7b2c\u4e8c\u500b\u9a57\u8b49\u56e0\u7d20\u6703\u5728\u6700\u95dc\u9375\u7684\u4f4d\u7f6e\u589e\u52a0\u4e00\u9053\u963b\u529b\uff1a\u767b\u5165\u908a\u754c\u3002\n      <\/p>\n<h2><strong>\u70ba\u4ec0\u9ebc SSH \u9700\u8981\u7b2c\u4e8c\u500b\u9a57\u8b49\u56e0\u7d20<\/strong><\/h2>\n<p>\n        SSH \u662f\u8a31\u591a\u751f\u7522\u7cfb\u7d71\u7684\u7ba1\u7406\u5e73\u9762\u3002\u7dad\u904b\u4eba\u54e1\u900f\u904e\u5b83\u4fee\u88dc\u6838\u5fc3\u3001\u8f2a\u66ff\u91d1\u9470\u3001\u6aa2\u67e5\u65e5\u8a8c\u3001\u91cd\u65b0\u555f\u52d5\u670d\u52d9\uff0c\u4ee5\u53ca\u6392\u9664\u7db2\u8def\u6545\u969c\u3002\u56e0\u6b64\uff0c\u5b83\u4e5f\u81ea\u7136\u6210\u70ba\u9ad8\u50f9\u503c\u653b\u64ca\u76ee\u6a19\u3002\u52a0\u5bc6\u80fd\u4fdd\u8b77\u5de5\u4f5c\u968e\u6bb5\u5728\u50b3\u8f38\u904e\u7a0b\u4e2d\u7684\u5b89\u5168\uff0c\u4f46\u50c5\u9760\u52a0\u5bc6\u4e26\u4e0d\u80fd\u89e3\u6c7a\u6191\u8b49\u7ba1\u7406\u4e0d\u7576\u3001\u79c1\u9470\u5916\u6d29\u3001\u5bc6\u78bc\u91cd\u8907\u4f7f\u7528\uff0c\u6216\u7ba1\u7406\u54e1\u5e33\u865f\u9577\u671f\u9592\u7f6e\u7b49\u554f\u984c\u3002\n      <\/p>\n<p>\n        \u96d9\u56e0\u7d20\u9a57\u8b49\u6539\u8b8a\u4e86\u5a01\u8105\u6a21\u578b\u3002\u7cfb\u7d71\u4e0d\u518d\u53ea\u4fe1\u4efb\u55ae\u4e00\u8eab\u5206\u8b49\u660e\uff0c\u800c\u662f\u5728\u6388\u4e88 Shell \u5b58\u53d6\u6b0a\u9650\u4e4b\u524d\u8981\u6c42\u984d\u5916\u7684\u4e00\u9805\u6191\u64da\u3002\u5be6\u969b\u61c9\u7528\u4e2d\uff0c\u9019\u901a\u5e38\u610f\u5473\u8457\u900f\u904e\u6a19\u6e96\u9a57\u8b49\u5668\u6d41\u7a0b\u63d0\u4f9b\u4e00\u7d44\u57fa\u65bc\u6642\u9593\u7684\u4e00\u6b21\u6027\u9a57\u8b49\u78bc\uff0c\u6216\u7531\u7528\u6236\u7aef\u4e00\u5074\u5b8c\u6210\u57fa\u65bc\u786c\u9ad4\u652f\u63f4\u7684\u6311\u6230\u56de\u61c9\u3002\u5177\u9ad4\u5be6\u4f5c\u65b9\u5f0f\u53ef\u4ee5\u4e0d\u540c\uff0c\u4f46\u5176\u5b89\u5168\u6536\u76ca\u90fd\u4f86\u81ea\u65bc\uff1a\u9664\u975c\u614b\u7955\u5bc6\u4e4b\u5916\uff0c\u9084\u8981\u6c42\u53e6\u4e00\u9805\u8f03\u96e3\u88ab\u91cd\u653e\u7684\u8b49\u660e\u3002\u5b98\u65b9 OpenSSH \u6307\u5357\u4ee5\u53ca Linux \u6587\u4ef6\u90fd\u652f\u63f4\u900f\u904e\u57fa\u65bc PAM \u7684 keyboard-interactive \u9a57\u8b49\u65b9\u5f0f\u589e\u52a0\u984d\u5916\u9a57\u8b49\u56e0\u7d20\u3002\n      <\/p>\n<ul>\n<li>\u5b83\u80fd\u964d\u4f4e\u5bc6\u78bc\u906d\u7aca\u5f8c\u7684\u5f71\u97ff\u7bc4\u570d\u3002<\/li>\n<li>\u5b83\u80fd\u524a\u5f31\u66b4\u529b\u7834\u89e3\u8207\u6191\u8b49\u586b\u5145\u653b\u64ca\u7684\u6548\u679c\u3002<\/li>\n<li>\u5b83\u80fd\u70ba\u5171\u7528\u6216\u6b77\u53f2\u907a\u7559\u7684\u7ba1\u7406\u54e1\u5e33\u865f\u589e\u52a0\u4e00\u9053\u4fdd\u8b77\u6b04\u3002<\/li>\n<li>\u5c0d\u65bc\u9762\u5411\u516c\u7db2\u7684\u4f3a\u670d\u5668\u79df\u7528\u7cfb\u7d71\u5c24\u5176\u6709\u50f9\u503c\u3002<\/li>\n<\/ul>\n<h2><strong>SSH 2FA \u5728\u5e95\u5c64\u662f\u5982\u4f55\u904b\u4f5c\u7684<\/strong><\/h2>\n<p>\n        \u5c0d\u5de5\u7a0b\u5e2b\u4f86\u8aaa\uff0c\u771f\u6b63\u6709\u50f9\u503c\u7684\u4e26\u4e0d\u662f\u591a\u56e0\u7d20\u9a57\u8b49\u7684\u884c\u92b7\u5f0f\u5b9a\u7fa9\uff0c\u800c\u662f\u5b83\u7684\u57f7\u884c\u8def\u5f91\u3002SSH \u5e38\u99d0\u7a0b\u5f0f\u6703\u6839\u64da\u8a2d\u5b9a\u6a94\u4e2d\u7684\u898f\u5247\u5c0d\u4f7f\u7528\u8005\u9032\u884c\u9a57\u8b49\u3002\u7576\u555f\u7528 keyboard-interactive \u9a57\u8b49\u5f8c\uff0c\u5e38\u99d0\u7a0b\u5f0f\u53ef\u4ee5\u5c07\u90e8\u5206\u767b\u5165\u6d41\u7a0b\u4ea4\u7d66 PAM\u3002\u63a5\u8457\uff0cPAM \u6703\u547c\u53eb\u4e00\u500b\u6216\u591a\u500b\u6a21\u7d44\uff0c\u7531\u5b83\u5011\u5224\u65b7\u4f7f\u7528\u8005\u662f\u5426\u6eff\u8db3\u672c\u5730\u5b89\u5168\u7b56\u7565\u3002\u901a\u5e38\uff0c\u4e00\u6b21\u6027\u9a57\u8b49\u78bc\u6821\u9a57\u5c31\u662f\u5728\u9019\u88e1\u63d2\u5165\u7684\u3002OpenSSH \u5c07 keyboard-interactive \u9a57\u8b49\u5b9a\u7fa9\u70ba\u4e00\u7a2e challenge-response \u6a5f\u5236\uff0c\u800c\u4e3b\u6d41\u767c\u884c\u7248\u6587\u4ef6\u4e5f\u8868\u660e\uff0cPAM \u662f\u6700\u5e38\u898b\u7684\u6574\u5408\u5165\u53e3\u3002\n      <\/p>\n<p>\n        \u9019\u7a2e\u6e05\u6670\u7684\u8a2d\u8a08\u6a21\u5f0f\u53ef\u4ee5\u6982\u62ec\u70ba\uff1a\n      <\/p>\n<ol>\n<li>\u4f7f\u7528\u8005\u767c\u8d77 SSH \u5de5\u4f5c\u968e\u6bb5\u3002<\/li>\n<li>\u4f3a\u670d\u5668\u5148\u9a57\u8b49\u7b2c\u4e00\u500b\u9a57\u8b49\u56e0\u7d20\uff0c\u901a\u5e38\u662f\u516c\u958b\u91d1\u9470\u3002<\/li>\n<li>\u4f3a\u670d\u5668\u518d\u900f\u904e keyboard-interactive \u9a57\u8b49\u63d0\u793a\u4f7f\u7528\u8005\u8f38\u5165\u7b2c\u4e8c\u9805\u56de\u61c9\u3002<\/li>\n<li>PAM \u5c0d\u4e00\u6b21\u6027\u9a57\u8b49\u78bc\u9032\u884c\u6821\u9a57\u3002<\/li>\n<li>\u53ea\u6709\u5169\u9805\u6aa2\u67e5\u90fd\u901a\u904e\u5f8c\uff0c\u7cfb\u7d71\u624d\u6388\u4e88 Shell \u6b0a\u9650\u3002<\/li>\n<\/ol>\n<p>\n        \u9019\u7a2e\u5206\u5c64\u65b9\u5f0f\u5f88\u91cd\u8981\uff0c\u56e0\u70ba\u5b83\u65e2\u4fdd\u7559\u4e86\u57fa\u65bc\u91d1\u9470\u767b\u5165\u7684\u9ad8\u6548\u7387\u8207\u53ef\u7a3d\u6838\u6027\uff0c\u53c8\u52a0\u5165\u4e86\u7b2c\u4e8c\u9053\u66f4\u96e3\u88ab\u91cd\u653e\u7684\u9580\u6abb\u3002OpenSSH \u9084\u652f\u63f4\u900f\u904e <code>AuthenticationMethods<\/code> \u6307\u4ee4\u660e\u78ba\u5b9a\u7fa9\u9a57\u8b49\u7d44\u5408\uff0c\u5f9e\u800c\u8981\u6c42\u4f7f\u7528\u8005\u5fc5\u9808\u540c\u6642\u901a\u904e\u591a\u500b\u9a57\u8b49\u65b9\u6cd5\u3002\n      <\/p>\n<h2><strong>\u4fee\u6539\u751f\u7522\u74b0\u5883\u5b58\u53d6\u65b9\u5f0f\u4e4b\u524d\u9700\u8981\u6e96\u5099\u4ec0\u9ebc<\/strong><\/h2>\n<p>\n        \u6700\u5e38\u898b\u7684\u5931\u6557\u6a21\u5f0f\u4e26\u4e0d\u662f\u5bc6\u78bc\u5b78\u554f\u984c\uff0c\u800c\u662f\u7dad\u904b\u4eba\u54e1\u628a\u81ea\u5df1\u9396\u5728\u7cfb\u7d71\u5916\u3002\u5728\u751f\u7522\u4e3b\u6a5f\u4e0a\u505a\u4efb\u4f55\u8b8a\u66f4\u4e4b\u524d\uff0c\u81f3\u5c11\u4fdd\u7559\u4e00\u500b\u73fe\u6709\u5de5\u4f5c\u968e\u6bb5\u4e0d\u8981\u4e2d\u65b7\uff0c\u78ba\u8a8d\u4f60\u64c1\u6709\u53ef\u5b89\u5168\u4f7f\u7528\u7684\u7279\u6b0a\u5b58\u53d6\u8def\u5f91\uff0c\u4e26\u5099\u4efd\u76ee\u524d\u7684 SSH \u8a2d\u5b9a\u3002\u5c0d\u65bc\u9060\u7aef\u7684<strong>\u4f3a\u670d\u5668\u79df\u7528<\/strong>\u6216<strong>\u4f3a\u670d\u5668\u8a17\u7ba1<\/strong>\u7bc0\u9ede\u4f86\u8aaa\uff0c\u9019\u4e00\u9ede\u5c24\u5176\u95dc\u9375\uff0c\u56e0\u70ba\u4e00\u689d\u932f\u8aa4\u7684\u9a57\u8b49\u898f\u5247\u5c31\u53ef\u80fd\u8b93\u539f\u672c\u666e\u901a\u7684\u7dad\u8b77\u6642\u6bb5\u6f14\u8b8a\u6210\u6545\u969c\u4e8b\u4ef6\u3002\n      <\/p>\n<ul>\n<li>\u78ba\u8a8d\u4f60\u64c1\u6709 root \u6216\u7b49\u6548\u6b0a\u9650\uff0c\u4e14\u5b58\u53d6\u8def\u5f91\u53ef\u9760\u3002<\/li>\n<li>\u958b\u555f\u7b2c\u4e8c\u500b\u7d42\u7aef\u6a5f\uff0c\u4e0d\u8981\u95dc\u9589\u7b2c\u4e00\u500b\u5de5\u4f5c\u968e\u6bb5\u3002<\/li>\n<li>\u5728\u7de8\u8f2f\u524d\u5099\u4efd <code>sshd_config<\/code> \u8207 PAM \u76f8\u95dc\u6a94\u6848\u3002<\/li>\n<li>\u78ba\u4fdd\u7cfb\u7d71\u6642\u9593\u5df2\u540c\u6b65\u3002<\/li>\n<li>\u78ba\u8a8d\u7576 SSH \u5931\u6557\u6642\uff0c\u4ecd\u5177\u5099\u7dca\u6025\u4e3b\u63a7\u53f0\u5b58\u53d6\u80fd\u529b\u3002<\/li>\n<\/ul>\n<p>\n        \u6642\u9593\u540c\u6b65\u9700\u8981\u7279\u5225\u7559\u610f\u3002\u57fa\u65bc\u6642\u9593\u7684\u4e00\u6b21\u6027\u9a57\u8b49\u78bc\u4f9d\u8cf4\u4f3a\u670d\u5668\u6642\u9593\u8207\u7528\u6236\u7aef\u6642\u9593\u4fdd\u6301\u4e00\u81f4\u3002\u5982\u679c\u4f3a\u670d\u5668\u6642\u9593\u6f02\u79fb\u904e\u5927\uff0c\u5373\u4f7f\u9a57\u8b49\u78bc\u672c\u8eab\u6709\u6548\uff0c\u4e5f\u6703\u88ab\u7cfb\u7d71\u62d2\u7d55\u3002\u9019\u662f\u5728\u90e8\u7f72\u904e\u7a0b\u4e2d\u4e00\u500b\u5e38\u898b\u537b\u5bb9\u6613\u88ab\u5ffd\u7565\u7684\u554f\u984c\u3002\n      <\/p>\n<h2><strong>\u66f4\u9069\u5408\u6280\u8853\u5718\u968a\u7684\u63a8\u85a6\u9a57\u8b49\u6a21\u5f0f<\/strong><\/h2>\n<p>\n        \u5c0d\u5927\u591a\u6578\u7dad\u904b\u5718\u968a\u800c\u8a00\uff0c\u6700\u5f37\u4e14\u6700\u5be6\u7528\u7684\u57fa\u790e\u65b9\u6848\u4e26\u4e0d\u662f\u300c\u5bc6\u78bc + \u9a57\u8b49\u78bc\u300d\uff0c\u800c\u662f\u300c\u516c\u958b\u91d1\u9470\u9a57\u8b49 + \u7b2c\u4e8c\u56e0\u7d20\u300d\u3002\u76ee\u524d\u7684\u4f3a\u670d\u5668\u6587\u4ef6\u666e\u904d\u5c55\u793a\u4e00\u7a2e\u5e38\u898b\u505a\u6cd5\uff1a\u555f\u7528 keyboard-interactive \u9a57\u8b49\u3001\u4fdd\u7559 PAM \u652f\u63f4\uff0c\u4e26\u8981\u6c42\u4f7f\u7528\u8005\u540c\u6642\u5b8c\u6210\u516c\u958b\u91d1\u9470\u9a57\u8b49\u8207\u4e92\u52d5\u5f0f\u9a57\u8b49\u3002\u5728\u67d0\u4e9b\u7cfb\u7d71\u4e2d\uff0c\u8f03\u65b0\u7684\u7248\u672c\u4f7f\u7528 <code>KbdInteractiveAuthentication yes<\/code>\uff0c\u800c\u8f03\u820a\u7684\u90e8\u7f72\u5247\u53ef\u80fd\u4ecd\u4f9d\u8cf4 <code>ChallengeResponseAuthentication yes<\/code>\u3002\u540c\u6642\u9084\u5fc5\u9808\u4fdd\u7559 <code>UsePAM yes<\/code>\uff0c\u5426\u5247\u57fa\u65bc PAM \u7684\u6821\u9a57\u5c07\u7121\u6cd5\u904b\u4f5c\u3002\n      <\/p>\n<p>\n        \u9019\u7a2e\u8a2d\u8a08\u4e4b\u6240\u4ee5\u66f4\u503c\u5f97\u63a8\u85a6\uff0c\u539f\u56e0\u5305\u62ec\uff1a\n      <\/p>\n<ul>\n<li>\u516c\u958b\u91d1\u9470\u4e0d\u5bb9\u6613\u88ab\u7dda\u4e0a\u731c\u6e2c\u3002<\/li>\n<li>\u7b2c\u4e8c\u56e0\u7d20\u53ef\u4ee5\u9632\u6b62\u91d1\u9470\u88ab\u6feb\u7528\u4ee5\u53ca\u5e33\u865f\u906d\u63a5\u7ba1\u3002<\/li>\n<li>\u7a3d\u6838\u65e5\u8a8c\u4ecd\u7136\u6e05\u6670\uff0c\u56e0\u70ba\u7dad\u904b\u4eba\u54e1\u4f9d\u7136\u4ee5\u5177\u540d\u5e33\u865f\u767b\u5165\u3002<\/li>\n<li>\u5b83\u907f\u514d\u4e86\u5c07\u5bc6\u78bc\u4f5c\u70ba\u7279\u6b0a\u5b58\u53d6\u7684\u4e3b\u8981\u9580\u6abb\u3002<\/li>\n<\/ul>\n<h2><strong>Linux \u4e0a\u7684\u9ad8\u5c64\u7d1a\u8a2d\u5b9a\u6d41\u7a0b<\/strong><\/h2>\n<p>\n        \u5177\u9ad4\u7684\u8edf\u9ad4\u5957\u4ef6\u540d\u7a31\u8207\u6a94\u6848\u4f4d\u7f6e\u6703\u56e0\u767c\u884c\u7248\u4e0d\u540c\u800c\u6709\u6240\u5dee\u7570\uff0c\u4f46\u6574\u9ad4\u5de5\u4f5c\u6d41\u7a0b\u5728\u4e3b\u6d41 Linux \u7cfb\u7d71\u4e0a\u57fa\u672c\u4e00\u81f4\u3002\u767c\u884c\u7248\u6587\u4ef6\u901a\u5e38\u90fd\u9075\u5faa\u76f8\u540c\u9806\u5e8f\uff1a\u5b89\u88dd\u7528\u65bc\u4e00\u6b21\u6027\u9a57\u8b49\u78bc\u6821\u9a57\u7684 PAM \u6a21\u7d44\u3001\u70ba\u6bcf\u500b\u4f7f\u7528\u8005\u5b8c\u6210\u8a3b\u518a\u3001\u5728 SSH \u4e2d\u555f\u7528 keyboard-interactive \u9a57\u8b49\u3001\u5c07 PAM \u63a5\u5165 SSH \u9a57\u8b49\u5806\u758a\uff0c\u7136\u5f8c\u91cd\u65b0\u8f09\u5165\u5e38\u99d0\u7a0b\u5f0f\u4e26\u5f9e\u4e00\u500b\u5168\u65b0\u7684\u5de5\u4f5c\u968e\u6bb5\u4e2d\u9032\u884c\u6e2c\u8a66\u3002\n      <\/p>\n<ol>\n<li>\u5b89\u88dd\u6240\u9700\u7684 SSH \u4f3a\u670d\u5668\u7aef\u5143\u4ef6\uff0c\u4ee5\u53ca\u7528\u65bc\u4e00\u6b21\u6027\u9a57\u8b49\u78bc\u7684 PAM \u6a21\u7d44\u3002<\/li>\n<li>\u70ba\u76ee\u6a19\u4f7f\u7528\u8005\u5b8c\u6210\u8a3b\u518a\uff0c\u4e26\u5b89\u5168\u4fdd\u5b58\u5fa9\u539f\u8cc7\u8a0a\u3002<\/li>\n<li>\u7de8\u8f2f SSH \u7684 PAM \u7b56\u7565\uff0c\u4f7f\u7b2c\u4e8c\u56e0\u7d20\u6210\u70ba\u5fc5\u8981\u9805\u3002<\/li>\n<li>\u8abf\u6574 SSH \u5e38\u99d0\u7a0b\u5f0f\u8a2d\u5b9a\uff0c\u5141\u8a31 keyboard-interactive \u63d0\u793a\u3002<\/li>\n<li>\u8981\u6c42\u4f7f\u7528\u7d44\u5408\u9a57\u8b49\u65b9\u5f0f\uff0c\u800c\u4e0d\u662f\u55ae\u4e00\u9a57\u8b49\u3002<\/li>\n<li>\u91cd\u65b0\u8f09\u5165 SSH \u670d\u52d9\uff0c\u4e26\u5728\u65b0\u7d42\u7aef\u6a5f\u4e2d\u9032\u884c\u6e2c\u8a66\u3002<\/li>\n<\/ol>\n<p>\n        \u8b39\u614e\u7684\u4e0a\u7dda\u65b9\u5f0f\u901a\u5e38\u662f\u5148\u5f9e\u4e00\u500b\u975e\u95dc\u9375\u7ba1\u7406\u54e1\u5e33\u865f\u958b\u59cb\uff0c\u800c\u4e0d\u662f\u4e00\u958b\u59cb\u5c31\u8986\u84cb\u6574\u500b\u5718\u968a\u3002\u5f85\u6d41\u7a0b\u9a57\u8b49\u7121\u8aa4\u5f8c\uff0c\u518d\u9010\u6b65\u64f4\u5c55\u5230\u6240\u6709\u7ba1\u7406\u54e1\u4f7f\u7528\u8005\u3002\n      <\/p>\n<h2><strong>\u4f60\u61c9\u8a72\u9810\u671f\u5230\u7684\u7dad\u904b\u9677\u9631<\/strong><\/h2>\n<p>\n        \u5f9e\u7d19\u9762\u4e0a\u770b\uff0cSSH 2FA \u4e26\u4e0d\u8907\u96dc\uff0c\u4f46\u751f\u7522\u74b0\u5883\u7e3d\u6703\u5e36\u4f86\u5404\u7a2e\u908a\u754c\u60c5\u6cc1\u3002\u5821\u58d8\u4e3b\u6a5f\u3001\u81ea\u52d5\u5316\u5e33\u865f\u3001\u77ed\u751f\u547d\u9031\u671f\u57f7\u884c\u500b\u9ad4\u4ee5\u53ca\u6551\u63f4\u6d41\u7a0b\uff0c\u90fd\u53ef\u80fd\u8207\u66f4\u56b4\u683c\u7684\u767b\u5165\u898f\u5247\u767c\u751f\u885d\u7a81\u3002\u57fa\u65bc TOTP \u7684 SSH \u767b\u5165\u6587\u4ef6\u901a\u5e38\u90fd\u6703\u63d0\u9192\uff1a\u4f7f\u7528\u8005\u61c9\u8a72\u5728\u7b56\u7565\u5f37\u5236\u751f\u6548\u4e4b\u524d\u5148\u5b8c\u6210\u521d\u59cb\u5316\uff0c\u5426\u5247\u4e4b\u5f8c\u53ef\u80fd\u6839\u672c\u7121\u6cd5\u900f\u904e SSH \u5b8c\u6210\u8a3b\u518a\u6d41\u7a0b\u3002\n      <\/p>\n<ul>\n<li><strong>\u81ea\u52d5\u5316\u4e2d\u65b7\uff1a<\/strong>\u975e\u4e92\u52d5\u5f0f\u4efb\u52d9\u4e0d\u61c9\u4f9d\u8cf4\u4eba\u5de5\u8f38\u5165\u4e00\u6b21\u6027\u9a57\u8b49\u78bc\u3002<\/li>\n<li><strong>\u6642\u9418\u6f02\u79fb\uff1a<\/strong>\u9a57\u8b49\u78bc\u5931\u6557\u4e26\u4e0d\u4e00\u5b9a\u662f\u6191\u8b49\u932f\u8aa4\uff0c\u4e5f\u53ef\u80fd\u662f\u6642\u9593\u540c\u6b65\u7570\u5e38\u3002<\/li>\n<li><strong>\u5206\u968e\u6bb5\u4e0a\u7dda\u4e0d\u5b8c\u6574\uff1a<\/strong>\u82e5\u5728\u4f7f\u7528\u8005\u5c1a\u672a\u8a3b\u518a\u524d\u5c31\u5168\u57df\u555f\u7528\u7b56\u7565\uff0c\u6975\u6613\u9020\u6210\u9396\u865f\u3002<\/li>\n<li><strong>\u820a\u8a9e\u6cd5\u76f8\u5bb9\uff1a<\/strong>\u8f03\u820a\u4e3b\u6a5f\u53ef\u80fd\u9700\u8981 challenge-response \u6307\u4ee4\uff0c\u800c\u4e0d\u662f\u65b0\u7248\u6307\u4ee4\u540d\u7a31\u3002<\/li>\n<li><strong>\u7dca\u6025\u5b58\u53d6\u8def\u5f91\uff1a<\/strong>\u5fc5\u9808\u5728\u5e38\u898f SSH \u4e4b\u5916\u6e96\u5099 break-glass \u65b9\u6848\u3002<\/li>\n<\/ul>\n<p>\n        \u4e00\u500b\u5f88\u5be6\u7528\u7684\u6a21\u5f0f\u662f\uff0c\u5c07\u670d\u52d9\u5e33\u865f\u8207\u4eba\u5de5\u7ba1\u7406\u54e1\u5e33\u865f\u5206\u96e2\u3002\u4eba\u5de5\u5e33\u865f\u53ef\u4ee5\u88ab\u5f37\u5236\u8981\u6c42\u901a\u904e\u7b2c\u4e8c\u56e0\u7d20\uff0c\u800c\u6a5f\u5668\u5b58\u53d6\u5247\u4f7f\u7528\u6b0a\u9650\u7bc4\u570d\u56b4\u683c\u53d7\u9650\u7684\u91d1\u9470\u3001\u4f86\u6e90\u9650\u5236\u3001\u547d\u4ee4\u9650\u5236\u4ee5\u53ca\u7db2\u8def\u7b56\u7565\u9032\u884c\u63a7\u7ba1\u3002\n      <\/p>\n<h2><strong>\u7b2c\u4e8c\u56e0\u7d20\u4e4b\u5916\u7684\u9032\u4e00\u6b65\u52a0\u56fa<\/strong><\/h2>\n<p>\n        \u7b2c\u4e8c\u56e0\u7d20\u80fd\u5e36\u4f86\u986f\u8457\u63d0\u5347\uff0c\u4f46\u5b83\u4e26\u4e0d\u80fd\u4ee3\u8868 SSH \u5b89\u5168\u7684\u5168\u90e8\u3002SSH \u5e38\u99d0\u7a0b\u5f0f\u4f9d\u7136\u61c9\u88ab\u8996\u70ba\u4e00\u500b\u66b4\u9732\u5728\u5916\u7684\u63a7\u5236\u5e73\u9762\u3002\u4e00\u65e6 2FA \u6b63\u5e38\u904b\u4f5c\uff0c\u5c31\u61c9\u8a72\u7e7c\u7e8c\u5be6\u65bd\u76f8\u9130\u7684\u52a0\u56fa\u63aa\u65bd\uff0c\u8b93\u8a72\u670d\u52d9\u66f4\u96e3\u88ab\u679a\u8209\u3001\u6feb\u7528\u6216\u4f5c\u70ba\u6a6b\u5411\u79fb\u52d5\u7684\u8df3\u677f\u3002\n      <\/p>\n<ul>\n<li>\u5728\u689d\u4ef6\u5141\u8a31\u6642\u505c\u7528\u76f4\u63a5\u7279\u6b0a\u767b\u5165\u3002<\/li>\n<li>\u5c07\u767b\u5165\u6b0a\u9650\u9650\u5236\u5230\u660e\u78ba\u7684\u4f7f\u7528\u8005\u6216\u4f7f\u7528\u8005\u7fa4\u7d44\u3002<\/li>\n<li>\u900f\u904e\u9632\u706b\u7246\u898f\u5247\u6216\u5b58\u53d6\u6e05\u55ae\u9650\u5236\u4f86\u6e90\u7db2\u8def\u3002<\/li>\n<li>\u512a\u5148\u4f7f\u7528\u57fa\u65bc\u91d1\u9470\u7684\u9a57\u8b49\uff0c\u800c\u4e0d\u662f\u57fa\u65bc\u5bc6\u78bc\u7684\u5b58\u53d6\u65b9\u5f0f\u3002<\/li>\n<li>\u5b9a\u671f\u70ba\u4f5c\u696d\u7cfb\u7d71\u8207 SSH \u5143\u4ef6\u4fee\u88dc\u66f4\u65b0\u3002<\/li>\n<li>\u4f7f\u7528\u65e5\u8a8c\u8207\u544a\u8b66\u76e3\u63a7\u91cd\u8907\u51fa\u73fe\u7684\u9a57\u8b49\u5931\u6557\u884c\u70ba\u3002<\/li>\n<\/ul>\n<p>\n        \u5982\u679c\u4f60\u7684\u74b0\u5883\u4e2d\u5b58\u5728\u8df3\u677f\u4e3b\u6a5f\uff0c\u61c9\u512a\u5148\u5728\u9019\u4e9b\u5165\u53e3\u7bc0\u9ede\u4e0a\u5be6\u65bd\u6700\u5f37\u63a7\u5236\u3002\u8207\u5176\u5728\u7b2c\u4e00\u5929\u5c31\u8b93\u6bcf\u4e00\u53f0\u4e0b\u6e38\u4e3b\u6a5f\u9054\u5230\u76f8\u540c\u56b4\u683c\u5ea6\uff0c\u4e0d\u5982\u5148\u628a\u5165\u53e3\u7bc0\u9ede\u6253\u9020\u70ba\u9ad8\u5b89\u5168\u57fa\u7dda\u3002\u771f\u6b63\u7684\u76ee\u6a19\u662f\u6e1b\u5c11\u66b4\u9732\u7684\u9580\uff0c\u800c\u4e0d\u50c5\u50c5\u662f\u5728\u6bcf\u4e00\u6247\u9580\u4e0a\u518d\u52a0\u4e00\u628a\u9396\u3002\n      <\/p>\n<h2><strong>\u5982\u4f55\u5728\u4e0d\u628a\u81ea\u5df1\u9396\u5728\u9580\u5916\u7684\u60c5\u6cc1\u4e0b\u5b8c\u6210\u6e2c\u8a66<\/strong><\/h2>\n<p>\n        \u9a57\u8b49\u904e\u7a0b\u61c9\u88ab\u8996\u70ba\u4e00\u6b21\u6b63\u5f0f\u7684\u8b8a\u66f4\u5be9\u67e5\uff0c\u800c\u4e0d\u662f\u4e8b\u5f8c\u88dc\u505a\u7684\u6b65\u9a5f\u3002\u4fee\u6539 SSH \u6216 PAM \u7b56\u7565\u5f8c\uff0c\u4e0d\u8981\u7acb\u523b\u4e2d\u65b7\u4f60\u76ee\u524d\u7684\u7ba1\u7406\u5de5\u4f5c\u968e\u6bb5\u3002\u61c9\u5f9e\u53e6\u4e00\u500b\u65b0\u9023\u7dda\u5b8c\u6574\u8d70\u4e00\u904d\u767b\u5165\u6d41\u7a0b\u3002\u78ba\u8a8d\u7b2c\u4e00\u56e0\u7d20\u9a57\u8b49\u80fd\u5920\u901a\u904e\uff0c\u78ba\u8a8d\u4e92\u52d5\u5f0f\u63d0\u793a\u80fd\u5920\u51fa\u73fe\uff0c\u4e26\u78ba\u8a8d\u53ea\u6709\u5728\u7b2c\u4e8c\u56e0\u7d20\u6821\u9a57\u6210\u529f\u5f8c\u7cfb\u7d71\u624d\u6388\u4e88 Shell\u3002\u767c\u884c\u7248\u6587\u4ef6\u901a\u5e38\u4e5f\u6703\u6307\u51fa\uff0cPAM \u4fee\u6539\u6703\u7acb\u5373\u751f\u6548\uff0c\u800c SSH \u5e38\u99d0\u7a0b\u5f0f\u8a2d\u5b9a\u8b8a\u66f4\u5247\u9700\u8981\u91cd\u65b0\u8f09\u5165\u6216\u91cd\u65b0\u555f\u52d5\u670d\u52d9\u3002\n      <\/p>\n<ol>\n<li>\u6aa2\u67e5 SSH \u8a2d\u5b9a\u7684\u8a9e\u6cd5\u8207\u908f\u8f2f\u4e00\u81f4\u6027\u3002<\/li>\n<li>\u78ba\u8a8d SSH \u5e38\u99d0\u7a0b\u5f0f\u4ecd\u7136\u5f15\u7528 PAM\u3002<\/li>\n<li>\u5f9e\u7368\u7acb\u7684\u65b0\u7d42\u7aef\u6a5f\u767c\u8d77\u4e00\u6b21\u5168\u65b0\u767b\u5165\u3002<\/li>\n<li>\u5982\u679c\u63d0\u793a\u6d41\u7a0b\u7570\u5e38\uff0c\u67e5\u770b\u9a57\u8b49\u65e5\u8a8c\u3002<\/li>\n<li>\u5728\u5ba3\u5e03\u4e0a\u7dda\u5b8c\u6210\u524d\uff0c\u5148\u9a57\u8b49\u5fa9\u539f\u8def\u5f91\u3002<\/li>\n<\/ol>\n<p>\n        \u5f88\u591a\u5de5\u7a0b\u5e2b\u6703\u7565\u904e\u6700\u5f8c\u4e00\u6b65\uff0c\u4f46\u4e0d\u61c9\u5982\u6b64\u3002\u4e00\u500b\u826f\u597d\u7684\u5b58\u53d6\u7b56\u7565\uff0c\u5fc5\u9808\u5305\u542b\u4e00\u689d\u53ef\u9760\u7684\u64a4\u92b7\u8def\u5f91\u3002\n      <\/p>\n<h2><strong>\u7576\u4f3a\u670d\u5668\u79df\u7528\u8207\u4f3a\u670d\u5668\u8a17\u7ba1\u6539\u8b8a\u8a2d\u8a08\u601d\u8def\u6642<\/strong><\/h2>\n<p>\n        \u57fa\u790e\u8a2d\u65bd\u5f62\u614b\u6703\u5f71\u97ff\u8a2d\u8a08\u3002\u5728\u7d14<strong>\u4f3a\u670d\u5668\u79df\u7528<\/strong>\u6a21\u5f0f\u4e0b\uff0c\u670d\u52d9\u5546\u901a\u5e38\u6703\u63d0\u4f9b\u5fa9\u539f\u4e3b\u63a7\u53f0\u6216\u7b49\u6548\u7684\u5e36\u5916\u5b58\u53d6\u8def\u5f91\uff1b\u800c\u5728<strong>\u4f3a\u670d\u5668\u8a17\u7ba1<\/strong>\u5834\u666f\u4e2d\uff0c\u5fa9\u539f\u8def\u5f91\u53ef\u80fd\u4f9d\u8cf4\u4f60\u81ea\u5df1\u7684\u9060\u7aef\u5354\u52a9\u6d41\u7a0b\u3001\u5e8f\u5217\u57e0\u5b58\u53d6\u8a2d\u8a08\u6216\u7ba1\u7406\u7db2\u8def\u3002\u9019\u500b\u5dee\u7570\u6703\u76f4\u63a5\u5f71\u97ff\u4f60\u5c0d SSH 2FA \u7684\u5f37\u5236\u529b\u5ea6\uff0c\u4ee5\u53ca\u4f60\u5982\u4f55\u64b0\u5beb\u56de\u6efe\u6587\u4ef6\u3002\n      <\/p>\n<p>\n        \u5c0d\u65bc\u5206\u6563\u5f0f\u4f3a\u670d\u5668\u53e2\u96c6\uff0c\u61c9\u9996\u5148\u91d0\u6e05\u4eba\u5de5\u5b58\u53d6\u5be6\u969b\u767c\u751f\u5728\u54ea\u88e1\uff1a\n      <\/p>\n<ul>\n<li>\u76f4\u63a5\u767b\u5165\u6bcf\u4e00\u53f0\u7bc0\u9ede<\/li>\n<li>\u900f\u904e\u5821\u58d8\u5c64\u4e2d\u8f49<\/li>\n<li>\u900f\u904e\u53d7\u4fdd\u8b77\u7684\u7ba1\u7406\u5340\u57df\u9032\u884c\u7de8\u6392\u5b58\u53d6<\/li>\n<\/ul>\n<p>\n        \u5982\u679c\u7b54\u6848\u662f\u300c\u4e3b\u8981\u900f\u904e\u5821\u58d8\u4e3b\u6a5f\u300d\uff0c\u90a3\u9ebc\u9019\u500b\u5821\u58d8\u4e3b\u6a5f\u81ea\u7136\u5c31\u6210\u70ba\u5be6\u65bd\u66f4\u56b4\u683c\u96d9\u56e0\u7d20\u9a57\u8b49\u3001\u5de5\u4f5c\u968e\u6bb5\u7a3d\u6838\u4ee5\u53ca\u77ed\u671f\u6191\u8b49\u63a7\u5236\u7684\u6700\u4f73\u4f4d\u7f6e\u3002\n      <\/p>\n<h2><strong>\u7dad\u904b\u5718\u968a\u5e38\u898b\u554f\u984c<\/strong><\/h2>\n<ul>\n<li><strong>SSH 2FA \u6703\u53d6\u4ee3 SSH \u91d1\u9470\u55ce\uff1f<\/strong>\u4e0d\u6703\u3002\u5b83\u6700\u9069\u5408\u4f5c\u70ba\u984d\u5916\u95dc\u5361\uff0c\u800c\u4e0d\u662f\u53d6\u4ee3\u826f\u597d\u7684\u91d1\u9470\u7ba1\u7406\u3002<\/li>\n<li><strong>\u5b83\u6703\u5f71\u97ff\u6307\u4ee4\u78bc\u55ce\uff1f<\/strong>\u6703\uff0c\u5982\u679c\u9019\u4e9b\u6307\u4ee4\u78bc\u4f9d\u8cf4\u4e92\u52d5\u5f0f Shell \u767b\u5165\u3002\u61c9\u5c07\u4eba\u5de5\u5b58\u53d6\u8207\u6a5f\u5668\u5b58\u53d6\u8def\u5f91\u5206\u96e2\u3002<\/li>\n<li><strong>\u80fd\u5426\u9078\u64c7\u6027\u555f\u7528\uff1f<\/strong>\u53ef\u4ee5\u3002\u5f88\u591a\u5718\u968a\u6703\u5148\u5f9e\u7ba1\u7406\u54e1\u4f7f\u7528\u8005\u8207\u9ad8\u98a8\u96aa\u4e3b\u6a5f\u958b\u59cb\u3002<\/li>\n<li><strong>\u5982\u679c\u88dd\u7f6e\u907a\u5931\u600e\u9ebc\u8fa6\uff1f<\/strong>\u5fa9\u539f\u78bc\u3001\u7dca\u6025\u4e3b\u63a7\u53f0\u5b58\u53d6\u4ee5\u53ca\u66f8\u9762\u5316\u7684 break-glass \u6b65\u9a5f\u90fd\u662f\u5fc5\u9808\u6e96\u5099\u7684\u3002<\/li>\n<li><strong>\u5bc6\u78bc\u52a0 2FA \u5c31\u8db3\u5920\u4e86\u55ce\uff1f<\/strong>\u6bd4\u55ae\u7368\u5bc6\u78bc\u66f4\u5b89\u5168\uff0c\u4f46\u300c\u91d1\u9470 + 2FA\u300d\u901a\u5e38\u662f\u66f4\u5408\u7406\u7684\u6280\u8853\u57fa\u7dda\u3002<\/li>\n<\/ul>\n<h2><strong>\u7d50\u8a9e<\/strong><\/h2>\n<p>\n        SSH 2FA \u662f\u4f60\u80fd\u70ba Linux \u5b58\u53d6\u5e73\u9762\u505a\u51fa\u7684\u9ad8\u6536\u76ca\u5b89\u5168\u6539\u9032\u4e4b\u4e00\uff0c\u5c24\u5176\u9069\u7528\u65bc<strong>\u4f3a\u670d\u5668\u79df\u7528<\/strong>\u5834\u666f\u3002\u5b83\u80fd\u5920\u8207 OpenSSH \u548c PAM \u5e73\u9806\u6574\u5408\uff0c\u652f\u63f4\u5206\u5c64\u9a57\u8b49\u6a21\u578b\uff0c\u4e26\u8feb\u4f7f\u653b\u64ca\u8005\u5728\u53d6\u5f97 Shell \u4e4b\u524d\uff0c\u5fc5\u9808\u7a81\u7834\u7684\u4e0d\u518d\u53ea\u662f\u55ae\u4e00\u975c\u614b\u7955\u5bc6\u3002\u53ea\u8981\u4f60\u4ee5\u751f\u7522\u8b8a\u66f4\u7684\u56b4\u8b39\u614b\u5ea6\u9010\u6b65\u4e0a\u7dda\uff0c\u642d\u914d\u57fa\u65bc\u91d1\u9470\u7684\u767b\u5165\u8207\u5408\u7406\u7684\u7db2\u8def\u63a7\u5236\uff0c\u4f60\u7684\u9060\u7aef\u7ba1\u7406\u9762\u5c07\u66f4\u96e3\u88ab\u6feb\u7528\u3002\n      <\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5728\u73fe\u4ee3\u4f3a\u670d\u5668\u79df\u7528\u74b0\u5883\u4e2d\uff0cSSH 2FA \u5df2\u4e0d\u518d\u53ea\u662f\u300c\u53ef\u6709\u53ef\u7121\u300d\u7684\u5b89\u5168\u5f37\u5316\u9805\uff0c\u800c\u662f\u4e00\u7a2e\u80fd\u5c01\u5835 Linux \u7cfb\u7d71\u6700 [&#8230;]<\/p>\n<p><a class=\"btn btn-secondary understrap-read-more-link\" href=\"https:\/\/www.varidata.com\/zh-tw\/knowledge-tc\/ssh-2fa-for-secure-server-hosting\/\">Read More&#8230;<\/a><\/p>\n","protected":false},"author":12,"featured_media":36745,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[268],"tags":[],"class_list":["post-36748","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-knowledge-tc"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>\u70ba\u5b89\u5168\u7684\u4f3a\u670d\u5668\u79df\u7528\u914d\u7f6e SSH \u96d9\u56e0\u7d20\u9a57\u8b49<\/title>\n<meta name=\"description\" content=\"Learn how to harden SSH access with two-factor authentication on Linux servers used for hosting, with practical steps, pitfalls, and ops-ready advice.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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