{"id":512,"date":"2024-10-11T03:35:44","date_gmt":"2024-10-11T03:35:44","guid":{"rendered":"https:\/\/blog.devops955.com\/swain\/?p=512"},"modified":"2024-10-11T03:35:44","modified_gmt":"2024-10-11T03:35:44","slug":"ccnp-encor-350-401-part5","status":"publish","type":"post","link":"https:\/\/blog.devops955.com\/swain\/zh\/2024\/10\/11\/ccnp-encor-350-401-part5\/","title":{"rendered":"CCNP ENCOR 350-401 \u2013 Part 5"},"content":{"rendered":"<blockquote>\n<p>\u9884\u8ba1\u9605\u8bfb\uff1a15\u5206\u949f<\/p>\n<\/blockquote>\n<h1><strong>Security\uff0820%\uff09<\/strong><\/h1>\n<h2>\u914d\u7f6e\u548c\u9a8c\u8bc1\u8bbe\u5907\u8bbf\u95ee\u63a7\u5236<\/h2>\n<h3>Lines and local user authentication\uff08\u7ebf\u8def\u548c\u672c\u5730\u7528\u6237\u8ba4\u8bc1\uff09<\/h3>\n<ul>\n<li>\n<p><strong>\u7ebf\u8def\u914d\u7f6e\uff08Line Configuration\uff09<\/strong>\uff1a<br \/>\nConsole\u7aef\u53e3\uff1a\u914d\u7f6e\u5e76\u9a8c\u8bc1Console\u7aef\u53e3\u7684\u8bbf\u95ee\u63a7\u5236\uff0c\u5982\u8bbe\u7f6e\u5bc6\u7801\u4fdd\u62a4\u3002<br \/>\nVTY\u7ebf\u8def\uff1a\u914d\u7f6eVTY\uff08\u865a\u62df\u7ec8\u7aef\uff09\u7ebf\u8def\uff0c\u7528\u4e8e\u8fdc\u7a0b\u8bbf\u95ee\uff08\u5982SSH\u548cTelnet\uff09\uff0c\u5305\u62ec\u8bbe\u7f6e\u5bc6\u7801\u548c\u8bbf\u95ee\u63a7\u5236\u5217\u8868\uff08ACLs\uff09\u3002<br \/>\nAuxiliary\u7aef\u53e3\uff1a\u914d\u7f6e\u5e76\u9a8c\u8bc1Auxiliary\u7aef\u53e3\u7684\u8bbf\u95ee\u63a7\u5236\uff0c\u901a\u5e38\u7528\u4e8e\u8c03\u5236\u89e3\u8c03\u5668\u62e8\u5165\u8bbf\u95ee\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u672c\u5730\u7528\u6237\u8ba4\u8bc1\uff08Local User Authentication\uff09<\/strong>\uff1a<br \/>\n\u672c\u5730\u7528\u6237\u8d26\u53f7\uff1a\u521b\u5efa\u548c\u7ba1\u7406\u672c\u5730\u7528\u6237\u8d26\u53f7\uff0c\u5305\u62ec\u7528\u6237\u540d\u548c\u5bc6\u7801\u7684\u914d\u7f6e\u3002<br \/>\n\u7279\u6743\u7ea7\u522b\uff1a\u914d\u7f6e\u4e0d\u540c\u7528\u6237\u7684\u7279\u6743\u7ea7\u522b\uff0c\u63a7\u5236\u7528\u6237\u80fd\u591f\u6267\u884c\u7684\u547d\u4ee4\u96c6\uff08\u59821-15\u7ea7\uff09\u3002<br \/>\n\u672c\u5730\u8ba4\u8bc1\u548c\u6388\u6743\uff1a\u901a\u8fc7\u672c\u5730\u6570\u636e\u5e93\u8fdb\u884c\u7528\u6237\u8ba4\u8bc1\u548c\u6388\u6743\uff0c\u8bbe\u7f6e\u672c\u5730\u7528\u6237\u540d\u5bc6\u7801\u8fdb\u884c\u9a8c\u8bc1\u3002<\/p>\n<\/li>\n<\/ul>\n<h3>Authentication and authorization using AAA\uff08\u4f7f\u7528AAA\u8fdb\u884c\u8ba4\u8bc1\u548c\u6388\u6743\uff09<\/h3>\n<ul>\n<li>\n<p><strong>AAA \u57fa\u672c\u6982\u5ff5<\/strong>\uff1a<br \/>\nAAA\u5b9a\u4e49\uff1a\u7406\u89e3AAA\u7684\u4e09\u4e2a\u7ec4\u6210\u90e8\u5206\uff1a\u8ba4\u8bc1\uff08Authentication\uff09\u3001\u6388\u6743\uff08Authorization\uff09\u548c\u8ba1\u8d39\uff08Accounting\uff09\u3002<br \/>\nAAA\u6846\u67b6\uff1a\u4e86\u89e3AAA\u5728\u7f51\u7edc\u5b89\u5168\u4e2d\u7684\u89d2\u8272\u53ca\u5176\u5de5\u4f5c\u6d41\u7a0b\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u914d\u7f6eAAA\u670d\u52a1\u5668<\/strong>\uff1a<br \/>\nTACACS+\u548cRADIUS\uff1a\u914d\u7f6e\u548c\u6bd4\u8f83TACACS+\u548cRADIUS\u670d\u52a1\u5668\u7684\u529f\u80fd\u548c\u7528\u4f8b\uff0c\u5305\u62ec\u5176\u5728\u8ba4\u8bc1\u3001\u6388\u6743\u548c\u8ba1\u8d39\u4e2d\u7684\u5e94\u7528\u3002<br \/>\nAAA\u670d\u52a1\u5668\u914d\u7f6e\uff1a\u5b66\u4e60\u5982\u4f55\u914d\u7f6eCisco\u8bbe\u5907\u4e0eAAA\u670d\u52a1\u5668\u7684\u901a\u4fe1\uff0c\u8bbe\u7f6eTACACS+\u548cRADIUS\u670d\u52a1\u5668\u5730\u5740\u53ca\u5bc6\u94a5\u3002<\/p>\n<\/li>\n<li>\n<p><strong>AAA\u8ba4\u8bc1\u914d\u7f6e<\/strong>\uff1a<br \/>\n\u8ba4\u8bc1\u65b9\u6cd5\u5217\u8868\uff1a\u521b\u5efa\u5e76\u5e94\u7528\u8ba4\u8bc1\u65b9\u6cd5\u5217\u8868\uff0c\u901a\u8fc7TACACS+\u3001RADIUS\u6216\u672c\u5730\u6570\u636e\u5e93\u8fdb\u884c\u7528\u6237\u8ba4\u8bc1\u3002<br \/>\n\u767b\u5f55\u8ba4\u8bc1\uff1a\u914d\u7f6e\u548c\u9a8c\u8bc1\u767b\u5f55\u65f6\u7684AAA\u8ba4\u8bc1\uff0c\u5982login authentication\u547d\u4ee4\u3002<\/p>\n<\/li>\n<li>\n<p><strong>AAA\u6388\u6743\u914d\u7f6e<\/strong>\uff1a<br \/>\n\u6388\u6743\u65b9\u6cd5\u5217\u8868\uff1a\u914d\u7f6e\u6388\u6743\u65b9\u6cd5\u5217\u8868\uff0c\u63a7\u5236\u7528\u6237\u53ef\u4ee5\u8bbf\u95ee\u7684\u8d44\u6e90\u548c\u6267\u884c\u7684\u64cd\u4f5c\u3002<br \/>\n\u547d\u4ee4\u6388\u6743\uff1a\u57fa\u4e8eTACACS+\u670d\u52a1\u5668\u6216\u672c\u5730\u6570\u636e\u5e93\u8bbe\u7f6e\u7528\u6237\u547d\u4ee4\u6388\u6743\uff0c\u786e\u4fdd\u7528\u6237\u53ea\u80fd\u6267\u884c\u88ab\u6388\u6743\u7684\u547d\u4ee4\u3002<\/p>\n<\/li>\n<li>\n<p><strong>AAA\u8ba1\u8d39\u914d\u7f6e<\/strong>\uff1a<br \/>\n\u8ba1\u8d39\u914d\u7f6e\uff1a\u8bbe\u7f6eAAA\u8ba1\u8d39\u529f\u80fd\uff0c\u8bb0\u5f55\u7528\u6237\u7684\u4f1a\u8bdd\u548c\u547d\u4ee4\u6267\u884c\u60c5\u51b5\uff0c\u4ee5\u4fbf\u8fdb\u884c\u5b89\u5168\u5ba1\u8ba1\u548c\u5206\u6790\u3002<\/p>\n<\/li>\n<\/ul>\n<h2>\u914d\u7f6e\u548c\u9a8c\u8bc1\u57fa\u7840\u8bbe\u65bd\u5b89\u5168\u7279\u6027<\/h2>\n<h3>ACLs\uff08\u8bbf\u95ee\u63a7\u5236\u5217\u8868\uff09<\/h3>\n<ul>\n<li>\n<p><strong>\u57fa\u672c\u6982\u5ff5<\/strong>\uff1a<br \/>\nACL\u7684\u4f5c\u7528\uff1a\u7406\u89e3ACL\u7528\u4e8e\u63a7\u5236\u8fdb\u51fa\u7f51\u7edc\u6d41\u91cf\u3001\u63d0\u9ad8\u5b89\u5168\u6027\u548c\u4f18\u5316\u7f51\u7edc\u6027\u80fd\u3002<br \/>\n\u6807\u51c6ACL\uff1a\u4e86\u89e3\u6807\u51c6ACL\u6839\u636e\u6e90IP\u5730\u5740\u8fdb\u884c\u8fc7\u6ee4\u7684\u539f\u7406\u3002<br \/>\n\u6269\u5c55ACL\uff1a\u4e86\u89e3\u6269\u5c55ACL\u6839\u636e\u6e90IP\u5730\u5740\u3001\u76ee\u7684IP\u5730\u5740\u3001\u534f\u8bae\u7c7b\u578b\u4ee5\u53ca\u7aef\u53e3\u53f7\u7b49\u8fdb\u884c\u8fc7\u6ee4\u7684\u539f\u7406\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u914d\u7f6e\u6b65\u9aa4<\/strong>\uff1a<br \/>\n\u6807\u51c6ACL\uff1a\u5b66\u4e60\u5982\u4f55\u521b\u5efa\u6807\u51c6ACL\u5e76\u5e94\u7528\u4e8e\u63a5\u53e3\u3002<br \/>\n\u6269\u5c55ACL\uff1a\u5b66\u4e60\u5982\u4f55\u521b\u5efa\u6269\u5c55ACL\u5e76\u5e94\u7528\u4e8e\u63a5\u53e3\u3002<br \/>\n\u547d\u540dACL\uff1a\u4e86\u89e3\u5982\u4f55\u4f7f\u7528\u547d\u540dACL\u63d0\u9ad8\u53ef\u8bfb\u6027\u548c\u7ba1\u7406\u4fbf\u6377\u6027\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u5e94\u7528\u573a\u666f<\/strong>\uff1a<br \/>\n\u8fdb\u7ad9\u548c\u51fa\u7ad9ACL\uff1a\u914d\u7f6e\u8fdb\u7ad9\u548c\u51fa\u7ad9ACL\uff0c\u6839\u636e\u6d41\u91cf\u65b9\u5411\u63a7\u5236\u8bbf\u95ee\u3002<br \/>\nVLAN ACL\uff1a\u914d\u7f6eVLAN\u8bbf\u95ee\u63a7\u5236\u5217\u8868\uff08VLAN ACL\uff09\uff0c\u5728\u4ea4\u6362\u673a\u4e0a\u7684VLAN\u4e4b\u95f4\u8fdb\u884c\u6d41\u91cf\u63a7\u5236\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u9a8c\u8bc1\u548c\u6545\u969c\u6392\u9664<\/strong>\uff1a<br \/>\n\u9a8c\u8bc1ACL\uff1a\u4f7f\u7528\u547d\u4ee4\u5982show access-lists\u548cshow ip interface\u6765\u9a8c\u8bc1ACL\u7684\u5e94\u7528\u548c\u6d41\u91cf\u5339\u914d\u60c5\u51b5\u3002<br \/>\n\u6545\u969c\u6392\u9664\uff1a\u4f7f\u7528debug\u547d\u4ee4\u548c\u65e5\u5fd7\u5206\u6790\u8fdb\u884cACL\u914d\u7f6e\u95ee\u9898\u7684\u6392\u67e5\u3002<\/p>\n<\/li>\n<\/ul>\n<h2>CoPP\uff08\u63a7\u5236\u5e73\u9762\u4fdd\u62a4\uff09<\/h2>\n<ul>\n<li>\n<p><strong>\u57fa\u672c\u6982\u5ff5<\/strong>\uff1a<br \/>\nCoPP\u7684\u4f5c\u7528\uff1a\u7406\u89e3\u63a7\u5236\u5e73\u9762\u4fdd\u62a4\uff08Control Plane Policing\uff0cCoPP\uff09\u7684\u4f5c\u7528\uff0c\u7528\u4e8e\u4fdd\u62a4\u8def\u7531\u5668\u548c\u4ea4\u6362\u673a\u7684\u63a7\u5236\u5e73\u9762\u514d\u53d7DoS\u653b\u51fb\u548c\u6076\u610f\u6d41\u91cf\u5f71\u54cd\u3002<br \/>\n\u5206\u7c7b\u548c\u5206\u7ea7\uff1a\u4e86\u89e3\u5982\u4f55\u5bf9\u4e0d\u540c\u7c7b\u578b\u7684\u6d41\u91cf\u8fdb\u884c\u5206\u7c7b\u548c\u5206\u7ea7\uff0c\u4ee5\u5e94\u7528\u4e0d\u540c\u7684QoS\u7b56\u7565\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u914d\u7f6e\u6b65\u9aa4<\/strong>\uff1a<br \/>\n\u5b9a\u4e49Class-map\uff1a\u521b\u5efaClass-map\u4ee5\u5339\u914d\u7279\u5b9a\u7c7b\u578b\u7684\u6d41\u91cf\u3002<br \/>\n\u5b9a\u4e49Policy-map\uff1a\u521b\u5efaPolicy-map\u4ee5\u5e94\u7528\u4e8e\u5339\u914d\u7684\u6d41\u91cf\uff0c\u8bbe\u7f6e\u9650\u5236\u6d41\u91cf\u901f\u7387\u7b49\u7b56\u7565\u3002<br \/>\n\u5e94\u7528\u670d\u52a1\u7b56\u7565\uff08Service Policy\uff09\uff1a\u5c06\u670d\u52a1\u7b56\u7565\u5e94\u7528\u4e8e\u63a7\u5236\u5e73\u9762\u63a5\u53e3\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u9a8c\u8bc1\u548c\u6545\u969c\u6392\u9664<\/strong>\uff1a<br \/>\n\u9a8c\u8bc1CoPP\uff1a\u4f7f\u7528\u547d\u4ee4\u5982show policy-map control-plane\u548cshow policy-map interface control-plane\u6765\u9a8c\u8bc1CoPP\u914d\u7f6e\u548c\u6d41\u91cf\u5339\u914d\u60c5\u51b5\u3002<br \/>\n\u6545\u969c\u6392\u9664\uff1a\u4f7f\u7528debug\u547d\u4ee4\u548c\u65e5\u5fd7\u5206\u6790\u8fdb\u884cCoPP\u914d\u7f6e\u95ee\u9898\u7684\u6392\u67e5\u3002<\/p>\n<\/li>\n<\/ul>\n<h2>Describe REST API security<\/h2>\n<ul>\n<li>\n<p><strong>\u57fa\u672c\u6982\u5ff5<\/strong>\uff1a<br \/>\nREST API\uff1a\u7406\u89e3REST\uff08Representational State Transfer\uff09API\u7684\u57fa\u672c\u539f\u7406\u548c\u5de5\u4f5c\u673a\u5236\u3002<br \/>\n\u5b89\u5168\u6027\u9700\u6c42\uff1a\u7406\u89e3\u5728\u4f7f\u7528REST API\u65f6\u9700\u8981\u8003\u8651\u7684\u5b89\u5168\u6027\u9700\u6c42\uff0c\u5982\u8ba4\u8bc1\u3001\u6388\u6743\u3001\u6570\u636e\u52a0\u5bc6\u548c\u9632\u6b62\u6ee5\u7528\u7b49\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u8ba4\u8bc1\u548c\u6388\u6743<\/strong>\uff1a<br \/>\n\u57fa\u672c\u8ba4\u8bc1\uff08Basic Authentication\uff09\uff1a\u4e86\u89e3\u4f7f\u7528HTTP\u57fa\u672c\u8ba4\u8bc1\u7684\u65b9\u6cd5\u53ca\u5176\u5b89\u5168\u9690\u60a3\u3002<br \/>\nOAuth\uff1a\u7406\u89e3OAuth\u534f\u8bae\uff0c\u7528\u4e8e\u6388\u6743\u7b2c\u4e09\u65b9\u5e94\u7528\u8bbf\u95ee\u7528\u6237\u8d44\u6e90\u7684\u673a\u5236\u3002<br \/>\nAPI Key\uff1a\u4e86\u89e3API\u5bc6\u94a5\u8ba4\u8bc1\u65b9\u6cd5\uff0c\u901a\u5e38\u7528\u4e8e\u7b80\u5316\u5bf9\u516c\u5171API\u7684\u8bbf\u95ee\u63a7\u5236\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u52a0\u5bc6\u548c\u6570\u636e\u4fdd\u62a4<\/strong>\uff1a<br \/>\nHTTPS\uff1a\u786e\u4fdd\u901a\u8fc7HTTPS\u52a0\u5bc6\u4f20\u8f93REST API\u8bf7\u6c42\u548c\u54cd\u5e94\uff0c\u9632\u6b62\u4e2d\u95f4\u4eba\u653b\u51fb\u3002<br \/>\nToken\u52a0\u5bc6\uff1a\u4f7f\u7528JWT\uff08JSON Web Token\uff09\u7b49\u4ee4\u724c\u6280\u672f\u52a0\u5bc6\u548c\u4fdd\u62a4\u654f\u611f\u6570\u636e\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u9632\u6b62\u6ee5\u7528\u548c\u9650\u5236<\/strong>\uff1a<br \/>\n\u901f\u7387\u9650\u5236\uff08Rate Limiting\uff09\uff1a\u901a\u8fc7\u9650\u5236API\u8bf7\u6c42\u9891\u7387\u9632\u6b62DDoS\u653b\u51fb\u548c\u6ee5\u7528\u3002<br \/>\nIP\u767d\u540d\u5355\uff1a\u9650\u5236\u53ea\u80fd\u4ece\u7279\u5b9aIP\u5730\u5740\u8bbf\u95eeAPI\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u5e38\u89c1\u653b\u51fb\u9632\u62a4<\/strong>\uff1a<br \/>\n\u9632\u6b62SQL\u6ce8\u5165\uff1a\u5728\u5904\u7406API\u8bf7\u6c42\u53c2\u6570\u65f6\uff0c\u4f7f\u7528\u5b89\u5168\u7684\u6570\u636e\u5e93\u67e5\u8be2\u65b9\u6cd5\u3002<br \/>\n\u9632\u6b62\u8de8\u7ad9\u8bf7\u6c42\u4f2a\u9020\uff08CSRF\uff09\uff1a\u5728API\u8bf7\u6c42\u4e2d\u4f7f\u7528CSRF\u4ee4\u724c\u8fdb\u884c\u9a8c\u8bc1\u3002<br \/>\n\u9632\u6b62\u8de8\u7ad9\u811a\u672c\u653b\u51fb\uff08XSS\uff09\uff1a\u5bf9API\u8fd4\u56de\u7684\u5185\u5bb9\u8fdb\u884c\u9002\u5f53\u7684\u7f16\u7801\u548c\u8fc7\u6ee4\u3002<\/p>\n<\/li>\n<\/ul>\n<h2>Configure and verify wireless security features<\/h2>\n<h3>802.1X<\/h3>\n<ul>\n<li>\n<p><strong>\u57fa\u672c\u6982\u5ff5<\/strong>\uff1a<br \/>\n802.1X\u6807\u51c6\uff1a\u7406\u89e3IEEE 802.1X\u6807\u51c6\uff0c\u5b83\u662f\u7f51\u7edc\u8bbf\u95ee\u63a7\u5236\u7684\u6846\u67b6\uff0c\u901a\u5e38\u7528\u4e8e\u6709\u7ebf\u548c\u65e0\u7ebf\u7f51\u7edc\u7684\u8ba4\u8bc1\u3002<br \/>\n\u7ec4\u4ef6\uff1a\u4e86\u89e3802.1X\u7684\u4e3b\u8981\u7ec4\u4ef6\uff1a\u8bf7\u6c42\u8005\uff08Supplicant\uff09\u3001\u8ba4\u8bc1\u8005\uff08Authenticator\uff09\u548c\u8ba4\u8bc1\u670d\u52a1\u5668\uff08Authentication Server\uff09\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u914d\u7f6e\u6b65\u9aa4<\/strong>\uff1a<br \/>\n\u914d\u7f6eWLC\uff08\u65e0\u7ebf\u63a7\u5236\u5668\uff09\uff1a\u8bbe\u7f6e\u65e0\u7ebf\u63a7\u5236\u5668\u8fdb\u884c802.1X\u8ba4\u8bc1\uff0c\u5305\u62ec\u914d\u7f6eSSID\u3001\u9009\u62e9\u8ba4\u8bc1\u65b9\u6cd5\u7b49\u3002<br \/>\n\u914d\u7f6eRADIUS\u670d\u52a1\u5668\uff1a\u8bbe\u7f6eRADIUS\u670d\u52a1\u5668\u7528\u4e8e\u7528\u6237\u8ba4\u8bc1\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u9a8c\u8bc1\u65b9\u6cd5<\/strong>\uff1a<br \/>\n\u9a8c\u8bc1\u8fde\u63a5\uff1a\u4f7f\u7528\u547d\u4ee4\u548c\u5de5\u5177\u9a8c\u8bc1\u65e0\u7ebf\u5ba2\u6237\u7aef\u7684802.1X\u8ba4\u8bc1\u72b6\u6001\u3002<br \/>\n\u68c0\u67e5\u65e5\u5fd7\uff1a\u5206\u6790\u65e0\u7ebf\u63a7\u5236\u5668\u548cRADIUS\u670d\u52a1\u5668\u7684\u65e5\u5fd7\u6587\u4ef6\uff0c\u786e\u8ba4\u8ba4\u8bc1\u8fc7\u7a0b\u7684\u6210\u529f\u4e0e\u5426\u3002<\/p>\n<\/li>\n<\/ul>\n<h3>WebAuth\uff08Web Authentication\uff09<\/h3>\n<ul>\n<li>\n<p><strong>\u57fa\u672c\u6982\u5ff5<\/strong>\uff1a<br \/>\nWebAuth\u5b9a\u4e49\uff1a\u7406\u89e3WebAuth\uff0c\u5b83\u901a\u8fc7\u91cd\u5b9a\u5411\u7528\u6237\u5230Web\u767b\u5f55\u9875\u9762\u8fdb\u884c\u8ba4\u8bc1\u3002<br \/>\n\u4f7f\u7528\u573a\u666f\uff1a\u5e38\u7528\u4e8e\u8bbf\u5ba2\u7f51\u7edc\uff08Guest Network\uff09\u548c\u7b80\u5355\u7684\u7528\u6237\u8ba4\u8bc1\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u914d\u7f6e\u6b65\u9aa4<\/strong>\uff1a<br \/>\n\u914d\u7f6eWLC\uff1a\u5728\u65e0\u7ebf\u63a7\u5236\u5668\u4e0a\u8bbe\u7f6eWebAuth\uff0c\u5305\u62ec\u521b\u5efaWebAuth\u767b\u5f55\u9875\u9762\u3001\u914d\u7f6eSSID\u7b49\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u9a8c\u8bc1\u65b9\u6cd5<\/strong>\uff1a<br \/>\n\u7528\u6237\u8fde\u63a5\u6d4b\u8bd5\uff1a\u901a\u8fc7Web\u6d4f\u89c8\u5668\u8fde\u63a5\u65e0\u7ebf\u7f51\u7edc\uff0c\u6d4b\u8bd5WebAuth\u8ba4\u8bc1\u6d41\u7a0b\u3002<br \/>\n\u5206\u6790\u8ba4\u8bc1\u65e5\u5fd7\uff1a\u68c0\u67e5\u65e0\u7ebf\u63a7\u5236\u5668\u4e0a\u7684\u65e5\u5fd7\u6587\u4ef6\uff0c\u786e\u8ba4WebAuth\u8ba4\u8bc1\u6210\u529f\u3002<\/p>\n<\/li>\n<\/ul>\n<h3>PSK\uff08Pre-Shared Key\uff09<\/h3>\n<ul>\n<li>\n<p><strong>\u57fa\u672c\u6982\u5ff5<\/strong>\uff1a<br \/>\nPSK\u5b9a\u4e49\uff1a\u7406\u89e3\u9884\u5171\u4eab\u5bc6\u94a5\uff08PSK\uff09\uff0c\u5b83\u662f\u4e00\u79cd\u7b80\u5355\u7684\u65e0\u7ebf\u7f51\u7edc\u8ba4\u8bc1\u65b9\u6cd5\uff0c\u901a\u8fc7\u5171\u4eab\u5bc6\u94a5\u8fdb\u884c\u8ba4\u8bc1\u3002<br \/>\n\u4f7f\u7528\u573a\u666f\uff1a\u5e38\u7528\u4e8e\u5c0f\u578b\u7f51\u7edc\u6216\u5bb6\u5ead\u7f51\u7edc\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u914d\u7f6e\u6b65\u9aa4<\/strong>\uff1a<br \/>\n\u914d\u7f6eWLC\uff1a\u5728\u65e0\u7ebf\u63a7\u5236\u5668\u4e0a\u8bbe\u7f6ePSK\u8ba4\u8bc1\uff0c\u5305\u62ec\u914d\u7f6eSSID\u548cPSK\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u9a8c\u8bc1\u65b9\u6cd5<\/strong>\uff1a<br \/>\n\u8fde\u63a5\u6d4b\u8bd5\uff1a\u4f7f\u7528\u65e0\u7ebf\u5ba2\u6237\u7aef\u8fde\u63a5\u7f51\u7edc\uff0c\u8f93\u5165PSK\u8fdb\u884c\u8ba4\u8bc1\u3002<br \/>\n\u68c0\u67e5\u8fde\u63a5\u72b6\u6001\uff1a\u4f7f\u7528\u65e0\u7ebf\u63a7\u5236\u5668\u6216\u5ba2\u6237\u7aef\u5de5\u5177\u68c0\u67e5\u8fde\u63a5\u72b6\u6001\u548c\u52a0\u5bc6\u65b9\u5f0f\u3002<\/p>\n<\/li>\n<\/ul>\n<h3>EAPOL\uff084-way handshake\uff09<\/h3>\n<ul>\n<li>\n<p><strong>\u57fa\u672c\u6982\u5ff5<\/strong>\uff1a<br \/>\nEAPOL\u5b9a\u4e49\uff1a\u7406\u89e3\u6269\u5c55\u8ba4\u8bc1\u534f\u8bae\uff08EAP\uff09\u548cEAPOL\uff08EAP over LAN\uff09\u7684\u5de5\u4f5c\u673a\u5236\uff0c\u7279\u522b\u662f4\u6b21\u63e1\u624b\u8fc7\u7a0b\u3002<br \/>\n4-way handshake\uff1a\u7406\u89e34\u6b21\u63e1\u624b\u7684\u6b65\u9aa4\uff0c\u5305\u62ecANonce\u3001SNonce\u3001MIC\u548cPTK\u7684\u751f\u6210\u4e0e\u4ea4\u6362\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u5b89\u5168\u6027<\/strong>\uff1a<br \/>\n\u4fdd\u62a4\u673a\u5236\uff1a\u4e86\u89e34\u6b21\u63e1\u624b\u5728WPA\/WPA2\u4e2d\u7684\u4f5c\u7528\uff0c\u786e\u4fdd\u65e0\u7ebf\u7f51\u7edc\u5b89\u5168\u3002<br \/>\n\u6f5c\u5728\u6f0f\u6d1e\uff1a\u4e86\u89e3KRACK\uff08Key Reinstallation Attack\uff09\u653b\u51fb\u53ca\u5176\u5bf94\u6b21\u63e1\u624b\u7684\u5f71\u54cd\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u914d\u7f6e\u548c\u9a8c\u8bc1<\/strong>\uff1a<br \/>\nWLC\u914d\u7f6e\uff1a\u786e\u4fdd\u65e0\u7ebf\u63a7\u5236\u5668\u914d\u7f6e\u652f\u6301WPA\/WPA2-Enterprise\u8ba4\u8bc1\uff0c\u4f7f\u7528RADIUS\u670d\u52a1\u5668\u8fdb\u884cEAP\u8ba4\u8bc1\u3002<br \/>\n\u9a8c\u8bc1\u63e1\u624b\u8fc7\u7a0b\uff1a\u901a\u8fc7\u6293\u5305\u5de5\u5177\uff08\u5982Wireshark\uff09\u5206\u67904\u6b21\u63e1\u624b\u8fc7\u7a0b\uff0c\u786e\u4fdd\u6b63\u786e\u5b8c\u6210\u3002<\/p>\n<\/li>\n<\/ul>\n<h2>Describe the components of network security design<\/h2>\n<h3>Threat Defense\uff08\u5a01\u80c1\u9632\u5fa1\uff09<\/h3>\n<ul>\n<li>\n<p><strong>\u57fa\u672c\u6982\u5ff5<\/strong>\uff1a<br \/>\n\u5a01\u80c1\u9632\u5fa1\u7684\u5b9a\u4e49\uff1a\u7406\u89e3\u5a01\u80c1\u9632\u5fa1\u6d89\u53ca\u8bc6\u522b\u3001\u9884\u9632\u3001\u68c0\u6d4b\u548c\u54cd\u5e94\u7f51\u7edc\u5b89\u5168\u5a01\u80c1\u7684\u4e00\u7cfb\u5217\u63aa\u65bd\u3002<br \/>\n\u5e38\u89c1\u5a01\u80c1\uff1a\u4e86\u89e3\u5e38\u89c1\u7684\u7f51\u7edc\u5a01\u80c1\u7c7b\u578b\uff0c\u5305\u62ec\u6076\u610f\u8f6f\u4ef6\u3001DDoS\u653b\u51fb\u3001\u7f51\u7edc\u9493\u9c7c\u3001\u96f6\u65e5\u6f0f\u6d1e\u7b49\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u9632\u5fa1\u6280\u672f<\/strong>\uff1a<br \/>\n\u9632\u706b\u5899\uff1a\u914d\u7f6e\u548c\u7ba1\u7406\u9632\u706b\u5899\u4ee5\u63a7\u5236\u8fdb\u51fa\u7f51\u7edc\u7684\u6d41\u91cf\u3002<br \/>\n\u5165\u4fb5\u68c0\u6d4b\u548c\u9632\u5fa1\u7cfb\u7edf\uff08IDS\/IPS\uff09\uff1a\u4f7f\u7528IDS\/IPS\u68c0\u6d4b\u5e76\u54cd\u5e94\u7f51\u7edc\u653b\u51fb\u3002<br \/>\n\u53cd\u6076\u610f\u8f6f\u4ef6\uff1a\u90e8\u7f72\u53cd\u6076\u610f\u8f6f\u4ef6\u89e3\u51b3\u65b9\u6848\u4ee5\u68c0\u6d4b\u548c\u79fb\u9664\u6076\u610f\u8f6f\u4ef6\u3002<br \/>\n\u884c\u4e3a\u5206\u6790\uff1a\u4f7f\u7528\u884c\u4e3a\u5206\u6790\u5de5\u5177\u68c0\u6d4b\u5f02\u5e38\u6d3b\u52a8\u548c\u6f5c\u5728\u5a01\u80c1\u3002<\/p>\n<\/li>\n<\/ul>\n<h3>Endpoint Security\uff08\u7aef\u70b9\u5b89\u5168\uff09<\/h3>\n<ul>\n<li>\n<p><strong>\u57fa\u672c\u6982\u5ff5<\/strong>\uff1a<br \/>\n\u7aef\u70b9\u5b89\u5168\u7684\u5b9a\u4e49\uff1a\u7406\u89e3\u7aef\u70b9\u5b89\u5168\u6d89\u53ca\u4fdd\u62a4\u7f51\u7edc\u4e2d\u7684\u7ec8\u7aef\u8bbe\u5907\uff08\u5982\u8ba1\u7b97\u673a\u3001\u624b\u673a\u3001\u670d\u52a1\u5668\u7b49\uff09\u514d\u53d7\u5a01\u80c1\u3002<br \/>\n\u7aef\u70b9\u5b89\u5168\u7ec4\u4ef6\uff1a\u4e86\u89e3\u7aef\u70b9\u5b89\u5168\u7684\u5173\u952e\u7ec4\u4ef6\uff0c\u5305\u62ec\u9632\u75c5\u6bd2\u8f6f\u4ef6\u3001\u7aef\u70b9\u68c0\u6d4b\u4e0e\u54cd\u5e94\uff08EDR\uff09\u3001\u8bbe\u5907\u63a7\u5236\u7b49\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u7aef\u70b9\u5b89\u5168\u7b56\u7565<\/strong>\uff1a<br \/>\n\u8bbe\u5907\u5408\u89c4\u6027\u68c0\u67e5\uff1a\u786e\u4fdd\u7ec8\u7aef\u8bbe\u5907\u7b26\u5408\u5b89\u5168\u7b56\u7565\u548c\u5408\u89c4\u6027\u8981\u6c42\u3002<br \/>\n\u8865\u4e01\u7ba1\u7406\uff1a\u5b9a\u671f\u66f4\u65b0\u548c\u4fee\u8865\u7ec8\u7aef\u8bbe\u5907\u4e0a\u7684\u64cd\u4f5c\u7cfb\u7edf\u548c\u5e94\u7528\u7a0b\u5e8f\u6f0f\u6d1e\u3002<br \/>\n\u6570\u636e\u52a0\u5bc6\uff1a\u4f7f\u7528\u6570\u636e\u52a0\u5bc6\u6280\u672f\u4fdd\u62a4\u7aef\u70b9\u8bbe\u5907\u4e0a\u7684\u654f\u611f\u4fe1\u606f\u3002<\/p>\n<\/li>\n<\/ul>\n<h3>Next-Generation Firewall\uff08\u4e0b\u4e00\u4ee3\u9632\u706b\u5899\uff09<\/h3>\n<ul>\n<li>\n<p><strong>\u57fa\u672c\u6982\u5ff5<\/strong>\uff1a<br \/>\n\u4f20\u7edf\u9632\u706b\u5899 vs. \u4e0b\u4e00\u4ee3\u9632\u706b\u5899\uff08NGFW\uff09\uff1a\u7406\u89e3\u4f20\u7edf\u9632\u706b\u5899\u548cNGFW\u7684\u533a\u522b\uff0cNGFW\u63d0\u4f9b\u66f4\u6df1\u5c42\u6b21\u7684\u6d41\u91cf\u5206\u6790\u548c\u5b89\u5168\u529f\u80fd\u3002<br \/>\nNGFW\u529f\u80fd\uff1a\u4e86\u89e3NGFW\u7684\u4e3b\u8981\u529f\u80fd\uff0c\u5982\u5e94\u7528\u8bc6\u522b\u4e0e\u63a7\u5236\u3001\u5165\u4fb5\u9632\u5fa1\u7cfb\u7edf\uff08IPS\uff09\u3001\u9ad8\u7ea7\u6076\u610f\u8f6f\u4ef6\u9632\u62a4\uff08AMP\uff09\u3001\u5185\u5bb9\u8fc7\u6ee4\u7b49\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u914d\u7f6e\u4e0e\u7ba1\u7406<\/strong>\uff1a<br \/>\n\u7b56\u7565\u914d\u7f6e\uff1a\u914d\u7f6e\u5b89\u5168\u7b56\u7565\u4ee5\u63a7\u5236\u548c\u76d1\u63a7\u7f51\u7edc\u6d41\u91cf\u3002<br \/>\n\u65e5\u5fd7\u4e0e\u62a5\u544a\uff1a\u4f7f\u7528NGFW\u7684\u65e5\u5fd7\u548c\u62a5\u544a\u529f\u80fd\u76d1\u63a7\u7f51\u7edc\u6d3b\u52a8\u548c\u5b89\u5168\u4e8b\u4ef6\u3002<\/p>\n<\/li>\n<\/ul>\n<h3>TrustSec and MACsec<\/h3>\n<ul>\n<li>\n<p><strong>TrustSec<\/strong>\uff1a<br \/>\n\u57fa\u672c\u6982\u5ff5\uff1a\u7406\u89e3Cisco TrustSec\u662f\u901a\u8fc7\u4f7f\u7528\u8eab\u4efd\u548c\u89d2\u8272\u8fdb\u884c\u7f51\u7edc\u8bbf\u95ee\u63a7\u5236\u548c\u7b56\u7565\u5b9e\u65bd\u7684\u89e3\u51b3\u65b9\u6848\u3002<br \/>\n\u4e3b\u8981\u7ec4\u4ef6\uff1a\u4e86\u89e3TrustSec\u7684\u4e3b\u8981\u7ec4\u4ef6\uff0c\u5305\u62ec\u8eab\u4efd\u670d\u52a1\u5f15\u64ce\uff08ISE\uff09\u3001\u5b89\u5168\u7ec4\u6807\u8bb0\uff08SGT\uff09\u3001\u5b89\u5168\u7ec4\u8bbf\u95ee\u63a7\u5236\u5217\u8868\uff08SGACL\uff09\u7b49\u3002<\/p>\n<\/li>\n<li>\n<p><strong>MACsec<\/strong>\uff1a<br \/>\n\u57fa\u672c\u6982\u5ff5\uff1a\u7406\u89e3MACsec\uff08Media Access Control Security\uff09\u662f\u4e00\u79cd\u5728\u6570\u636e\u94fe\u8def\u5c42\uff08\u7b2c2\u5c42\uff09\u63d0\u4f9b\u5b89\u5168\u901a\u4fe1\u7684\u534f\u8bae\u3002<br \/>\n\u529f\u80fd\uff1a\u4e86\u89e3MACsec\u7684\u529f\u80fd\uff0c\u5305\u62ec\u5e27\u52a0\u5bc6\u3001\u5b8c\u6574\u6027\u68c0\u67e5\u548c\u9632\u91cd\u653e\u653b\u51fb\u3002<br \/>\n\u914d\u7f6e\u4e0e\u7ba1\u7406\uff1a\u5b66\u4e60\u5982\u4f55\u5728\u4ea4\u6362\u673a\u548c\u5176\u4ed6\u8bbe\u5907\u4e0a\u914d\u7f6e\u548c\u7ba1\u7406MACsec\u3002<\/p>\n<\/li>\n<\/ul>\n<h3>Network Access Control with 802.1X, MAB, and WebAuth<\/h3>\n<ul>\n<li>\n<p><strong>802.1X<\/strong>\uff1a<br \/>\n\u57fa\u672c\u6982\u5ff5\uff1a\u7406\u89e3IEEE 802.1X\u6807\u51c6\u7528\u4e8e\u6709\u7ebf\u548c\u65e0\u7ebf\u7f51\u7edc\u8bbf\u95ee\u63a7\u5236\u3002<br \/>\n\u7ec4\u4ef6\uff1a\u4e86\u89e3802.1X\u7684\u4e3b\u8981\u7ec4\u4ef6\uff1a\u8bf7\u6c42\u8005\uff08Supplicant\uff09\u3001\u8ba4\u8bc1\u8005\uff08Authenticator\uff09\u548c\u8ba4\u8bc1\u670d\u52a1\u5668\uff08Authentication Server\uff09\u3002<br \/>\n\u8ba4\u8bc1\u8fc7\u7a0b\uff1a\u719f\u6089802.1X\u8ba4\u8bc1\u8fc7\u7a0b\uff0c\u5305\u62ecEAP\uff08\u6269\u5c55\u8ba4\u8bc1\u534f\u8bae\uff09\u548cRADIUS\u534f\u8bae\u7684\u4f7f\u7528\u3002<\/p>\n<\/li>\n<li>\n<p><strong>MAB\uff08MAC Authentication Bypass\uff09<\/strong>\uff1a<br \/>\n\u57fa\u672c\u6982\u5ff5\uff1a\u7406\u89e3MAB\u662f\u4e00\u79cd\u57fa\u4e8eMAC\u5730\u5740\u7684\u7f51\u7edc\u8bbf\u95ee\u63a7\u5236\u65b9\u6cd5\uff0c\u5f53\u8bbe\u5907\u4e0d\u652f\u6301802.1X\u65f6\u4f7f\u7528\u3002<br \/>\n\u914d\u7f6e\u4e0e\u7ba1\u7406\uff1a\u5b66\u4e60\u5982\u4f55\u5728\u4ea4\u6362\u673a\u4e0a\u914d\u7f6eMAB\uff0c\u5e76\u4e0eRADIUS\u670d\u52a1\u5668\u8fdb\u884c\u96c6\u6210\u3002<\/p>\n<\/li>\n<li>\n<p><strong>WebAuth\uff08Web Authentication\uff09<\/strong>\uff1a<br \/>\n\u57fa\u672c\u6982\u5ff5\uff1a\u7406\u89e3WebAuth\u901a\u8fc7\u91cd\u5b9a\u5411\u7528\u6237\u5230Web\u767b\u5f55\u9875\u9762\u8fdb\u884c\u8ba4\u8bc1\uff0c\u5e38\u7528\u4e8e\u8bbf\u5ba2\u7f51\u7edc\u3002<br \/>\n\u914d\u7f6e\u4e0e\u7ba1\u7406\uff1a\u5b66\u4e60\u5982\u4f55\u5728\u65e0\u7ebf\u63a7\u5236\u5668\u4e0a\u914d\u7f6eWebAuth\uff0c\u5305\u62ec\u521b\u5efaWebAuth\u767b\u5f55\u9875\u9762\u548c\u914d\u7f6eSSID\u3002<\/p>\n<blockquote>\n<p>\u53c2\u8003\u8d44\u6599<br \/>\n<a href=\"https:\/\/www.cisco.com\/c\/en\/us\/support\/docs\/security-vpn\/remote-authentication-dial-user-service-radius\/13838-10.html\">https:\/\/www.cisco.com\/c\/en\/us\/support\/docs\/security-vpn\/remote-authentication-dial-user-service-radius\/13838-10.html<\/a><br \/>\n<a href=\"https:\/\/www.cisco.com\/c\/en\/us\/td\/docs\/ios-xml\/ios\/sec_usr_8021x\/configuration\/xe-3se\/3850\/sec-user-8021x-xe-3se-3850-book\/config-ieee-802x-pba.html\">https:\/\/www.cisco.com\/c\/en\/us\/td\/docs\/ios-xml\/ios\/sec_usr_8021x\/configuration\/xe-3se\/3850\/sec-user-8021x-xe-3se-3850-book\/config-ieee-802x-pba.html<\/a><\/p>\n<\/blockquote>\n<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\u8fd9\u7bc7\u6587\u7ae0\u4ecb\u7ecd\u4e86CCNP ENCOR 350-401 \u5b89\u5168\u90e8\u5206\uff0c\u6db5\u76d6\u4e86\u8bbf\u95ee\u63a7\u5236\u3001AAA\uff08\u8ba4\u8bc1\u3001\u6388\u6743\u548c\u8ba1\u8d39\uff09\u3001\u8bbf\u95ee\u63a7\u5236\u5217\u8868\uff08ACLs\uff09\u4ee5\u53ca\u65e0\u7ebf\u5b89\u5168\u7279\u6027\uff0c\u5982802.1X\u548cWebAuth\u3002\u540c\u65f6\uff0c\u6587\u7ae0\u8fd8\u8ba8\u8bba\u4e86\u63a7\u5236\u5e73\u9762\u4fdd\u62a4\uff08CoPP\uff09\u3001REST API\u5b89\u5168\u548c\u7ec8\u7aef\u4fdd\u62a4\u7b56\u7565\uff0c\u5e76\u4ecb\u7ecd\u4e86\u73b0\u4ee3\u9632\u706b\u5899\u6280\u672f\uff0c\u5982\u4e0b\u4e00\u4ee3\u9632\u706b\u5899\uff08NGFW\uff09\u3001Cisco TrustSec\u548cMACsec\u7b49\u3002<\/p>\n","protected":false},"author":1,"featured_media":447,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_jetpack_memberships_contains_paid_content":false},"categories":[29],"tags":[],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"https:\/\/blog.devops955.com\/swain\/wp-content\/uploads\/sites\/2\/2024\/04\/cisco-1.png","_links":{"self":[{"href":"https:\/\/blog.devops955.com\/swain\/wp-json\/wp\/v2\/posts\/512"}],"collection":[{"href":"https:\/\/blog.devops955.com\/swain\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.devops955.com\/swain\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.devops955.com\/swain\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.devops955.com\/swain\/wp-json\/wp\/v2\/comments?post=512"}],"version-history":[{"count":2,"href":"https:\/\/blog.devops955.com\/swain\/wp-json\/wp\/v2\/posts\/512\/revisions"}],"predecessor-version":[{"id":517,"href":"https:\/\/blog.devops955.com\/swain\/wp-json\/wp\/v2\/posts\/512\/revisions\/517"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/blog.devops955.com\/swain\/wp-json\/wp\/v2\/media\/447"}],"wp:attachment":[{"href":"https:\/\/blog.devops955.com\/swain\/wp-json\/wp\/v2\/media?parent=512"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.devops955.com\/swain\/wp-json\/wp\/v2\/categories?post=512"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.devops955.com\/swain\/wp-json\/wp\/v2\/tags?post=512"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}