{"id":2152,"date":"2025-01-07T15:25:07","date_gmt":"2025-01-07T07:25:07","guid":{"rendered":"https:\/\/aws-oncloudai.com\/?p=2152"},"modified":"2025-01-07T15:25:07","modified_gmt":"2025-01-07T07:25:07","slug":"zwaaqxsrljaqzhn","status":"publish","type":"post","link":"https:\/\/aws-oncloudai.com\/zh_hk\/zwaaqxsrljaqzhn\/","title":{"rendered":"\u638c\u63e1AWS \u5b89\u5168\u6027\uff1a\u6df1\u5165\u4e86\u89e3\u5b89\u5168\u7fa4\u7d44\u548cNACL"},"content":{"rendered":"<p>\u5728\u96f2\u7aef\u904b\u7b97\u7684\u4e16\u754c\u4e2d\uff0c\u5b89\u5168\u6027\u59cb\u7d42\u662f\u6700\u95dc\u9375\u7684\u8003\u91cf\u4e4b\u4e00\u3002 AWS\uff08\u4e9e\u99ac\u905c\u96f2\u7aef\u670d\u52d9\uff09\u63d0\u4f9b\u4e86\u5f37\u5927\u7684\u5b89\u5168\u63a7\u5236\u5de5\u5177\uff0c\u53ef\u5354\u52a9\u4f7f\u7528\u8005\u4fdd\u8b77\u5176\u96f2\u7aef\u8cc7\u6e90\u514d\u53d7\u6f5b\u5728\u7684\u5a01\u8105\u3002\u4f5c\u70baAWS\u4e2d\u81f3\u95dc\u91cd\u8981\u7684\u5b89\u5168\u6a5f\u5236\uff0c\u5b89\u5168\u7fa4\u7d44\uff08Security Groups\uff09<strong>\u548c<\/strong>\u7db2\u8def\u5b58\u53d6\u63a7\u5236\u6e05\u55ae\uff08NACLs\uff09\u70ba\u4f7f\u7528\u8005\u63d0\u4f9b\u4e86\u9748\u6d3b\u7684\u6d41\u91cf\u63a7\u88fd\u624b\u6bb5\u3002\u4e86\u89e3\u5b83\u5011\u7684\u5de5\u4f5c\u539f\u7406\u3001\u4f7f\u7528\u5834\u666f\u4ee5\u53ca\u914d\u7f6e\u65b9\u6cd5\uff0c\u662f\u78ba\u4fddAWS\u74b0\u5883\u5b89\u5168\u7684\u57fa\u790e\u3002<\/p>\n<p>&nbsp;<\/p>\n<p><img fetchpriority=\"high\" decoding=\"async\" class=\"wp-image-2166 size-full aligncenter\" src=\"http:\/\/aws-oncloudai.com\/wp-content\/uploads\/2025\/01\/OIP-2-e1736234245405.jpeg\" alt=\"\" width=\"355\" height=\"290\" srcset=\"https:\/\/aws-oncloudai.com\/wp-content\/uploads\/2025\/01\/OIP-2-e1736234245405.jpeg 355w, https:\/\/aws-oncloudai.com\/wp-content\/uploads\/2025\/01\/OIP-2-e1736234245405-300x245.jpeg 300w, https:\/\/aws-oncloudai.com\/wp-content\/uploads\/2025\/01\/OIP-2-e1736234245405-15x12.jpeg 15w\" sizes=\"(max-width: 355px) 100vw, 355px\" \/><\/p>\n<p>&nbsp;<\/p>\n<h3 id=\"heading-understanding-aws-security-groups\" class=\"permalink-heading\"><strong>\u4e86\u89e3AWS \u5b89\u5168<\/strong>\u7fa4\u7d44<\/h3>\n<p><strong>\u5b89\u5168\u7fa4\u7d44<\/strong>\u5145\u7576\u5be6\u4f8b<strong>\u7b49\u7d1a<\/strong>\u7684\u865b\u64ec\u9632\u706b\u7246\uff0c\u63a7\u5236\u9032\u51faAWS EC2 \u57f7\u884c\u500b\u9ad4\u7684\u6d41\u91cf\u3002<\/p>\n<h4 id=\"heading-key-features-of-security-groups\" class=\"permalink-heading\"><strong>\u5b89\u5168\u7fa4\u7d44\u7684\u4e3b\u8981\u7279\u9ede\uff1a<\/strong><\/h4>\n<ul>\n<li><strong>\u9810\u8a2d\u884c\u70ba\uff1a<\/strong>\u963b\u6b62<strong>\u6240\u6709\u5165\u7ad9\u6d41\u91cf<\/strong>\u4f46\u5141\u8a31<strong>\u6240\u6709\u51fa\u7ad9\u6d41\u91cf<\/strong>\uff08\u9023\u63a5\u57e025 \u9664\u5916\uff0c\u9650\u5236\u4ee5\u9632\u6b62\u5783\u573e\u90f5\u4ef6\uff09\u3002<\/li>\n<li><strong>\u50c5\u5141\u8a31\u898f\u5247\uff1a<\/strong>\u8207\u50b3\u7d71\u9632\u706b\u7246\u4e0d\u540c\uff0c\u5b89\u5168\u7fa4\u7d44\u53ea\u80fd\u5b9a\u7fa9<strong>\u5141\u8a31<\/strong>\u898f\u5247\u3002\u60a8\u53ea\u9700\u7701\u7565\u4e0d\u9700\u8981\u7684\u6d41\u91cf<strong>\u898f\u5247\u5373\u53ef\u9650\u5236\u5b58\u53d6\u3002<\/strong><\/li>\n<li><strong>\u5be6\u4f8b\u7d1a\u4fdd\u8b77\uff1a<\/strong>\u6bcf\u500b\u5b89\u5168\u7fa4\u7d44\u90fd\u8207\u7279\u5b9a\u7684EC2 \u57f7\u884c\u500b\u9ad4\u7d81\u5b9a\uff0c\u78ba\u4fdd\u7cbe\u78ba\u7684\u5b58\u53d6\u63a7\u5236\u3002<\/li>\n<li><strong>\u53ef\u91cd\u8907\u4f7f\u7528\u4e14\u53ef\u64f4\u5145\uff1a<\/strong>\u55ae\u4e00\u5b89\u5168\u7fa4\u7d44\u53ef\u4ee5\u8207\u591a\u500b\u57f7\u884c\u500b\u9ad4\u95dc\u806f\uff0c\u5f9e\u800c\u7c21\u5316\u8de8\u985e\u4f3c\u5de5\u4f5c\u8ca0\u8f09\u7684\u5b58\u53d6\u7ba1\u7406\u3002<\/li>\n<\/ul>\n<h4 id=\"heading-how-it-works\" class=\"permalink-heading\"><strong>\u5de5\u4f5c\u539f\u7406\uff1a<\/strong><\/h4>\n<ol>\n<li>\u5b9a\u7fa9\u7279\u5b9a\u7684\u5165\u7ad9\u898f\u5247\uff08\u4f8b\u5982\uff0c\u5141\u8a31\u9023\u63a5\u57e022 \u4e0a\u7684SSH \u6216\u9023\u63a5\u57e080 \u4e0a\u7684HTTP \u6d41\u91cf\uff09\u3002<\/li>\n<li>\u5982\u679c\u9700\u8981\uff0c\u8acb\u5957\u7528\u51fa\u7ad9\u898f\u5247\u4f86\u63a7\u5236\u50b3\u51fa\u6d41\u91cf\uff08\u9810\u8a2d\u5141\u8a31\u5168\u90e8\uff09\u3002<\/li>\n<li>\u5c07\u5b89\u5168\u6027\u7fa4\u7d44\u8207\u4e00\u500b\u6216\u591a\u500bEC2 \u57f7\u884c\u500b\u9ad4\u95dc\u806f\u4ee5\u5f37\u5236\u57f7\u884c\u898f\u5247\u3002<\/li>\n<\/ol>\n<p><strong>\u7528\u4f8b\uff1a<\/strong>\u4f7f\u7528\u5b89\u5168\u6027\u7fa4\u7d44\u4f86\u7ba1\u7406Web \u4f3a\u670d\u5668\u3001\u8cc7\u6599\u5eab\u6216\u4efb\u4f55\u9700\u8981\u7d30\u7c92\u5ea6\u63a7\u5236\u7684\u7279\u5b9a\u5de5\u4f5c\u8ca0\u8f09\u7684\u5be6\u4f8b\u7d1a\u5b58\u53d6\u3002<\/p>\n<p>&nbsp;<\/p>\n<p><img decoding=\"async\" class=\"wp-image-2167 aligncenter\" src=\"http:\/\/aws-oncloudai.com\/wp-content\/uploads\/2025\/01\/OIP-3.jpeg\" alt=\"\" width=\"355\" height=\"334\" \/><\/p>\n<p>&nbsp;<\/p>\n<h3 id=\"heading-diving-into-network-access-control-lists-nacls\" class=\"permalink-heading\"><strong>\u6df1\u5165\u4e86\u89e3\u7db2\u8def\u5b58\u53d6\u63a7\u5236\u6e05\u55ae(NACL)<\/strong><\/h3>\n<p><strong>NACL\u5728<\/strong><strong>\u5b50\u7db2\u8def\u7d1a\u5225<\/strong>\u904b\u884c\uff0c\u8207\u5b89\u5168\u7fa4\u7d44\u76f8\u6bd4\uff0c\u53ef\u63d0\u4f9b\u66f4\u5ee3\u6cdb\u7684\u5b89\u5168\u5c64\u3002 NACL \u53ef\u8996\u70ba\u7ba1\u7406\u9032\u51fa\u5b50\u7db2\u8def\u6d41\u91cf\u7684\u7b2c\u4e00\u9053\u9632\u7dda\u3002<\/p>\n<h4 id=\"heading-key-features-of-nacls\" class=\"permalink-heading\"><strong>NACL \u7684\u4e3b\u8981\u7279\u9ede\uff1a<\/strong><\/h4>\n<ul>\n<li><strong>\u9810\u8a2d\u884c\u70ba\uff1a<\/strong>\u5141\u8a31\u6240\u6709\u5165\u7ad9\u548c\u51fa\u7ad9\u6d41\u91cf\uff0c\u9664\u975e\u81ea\u8a02\u3002<\/li>\n<li><strong>\u5141\u8a31\u548c\u62d2\u7d55\u898f\u5247\uff1a<\/strong>\u8207\u5b89\u5168\u7fa4\u7d44\u4e0d\u540c\uff0cNACL \u540c\u6642\u652f\u6301<strong>\u5141\u8a31<\/strong>\u548c<strong>\u62d2\u7d55<\/strong>\u898f\u5247\uff0c\u5f9e\u800c\u63d0\u4f9b\u66f4\u7cbe\u7d30\u7684\u63a7\u5236\u3002<\/li>\n<li><strong>\u898f\u5247\u9806\u5e8f\u5f88\u91cd\u8981\uff1a<\/strong>\u898f\u5247\u6703\u4f9d\u5e8f\u8655\u7406\uff0c\u4e26\u4e14\u6703\u5957\u7528\u8207\u6d41\u91cf\u76f8\u7b26\u7684\u7b2c\u4e00\u500b\u898f\u5247\u3002\u9806\u5e8f\u932f\u8aa4\u53ef\u80fd\u6703\u5c0e\u81f4\u610f\u5916\u8a2a\u554f\u3002<\/li>\n<li><strong>\u7121\u72c0\u614b\uff1a NACL<\/strong><strong>\u5206\u5225<\/strong>\u8a55\u4f30\u5165\u7ad9\u548c\u51fa\u7ad9\u6d41\u91cf\uff0c\u9700\u8981\u5169\u500b\u65b9\u5411\u7684\u898f\u5247\u3002<\/li>\n<\/ul>\n<h4 id=\"heading-how-it-works-1\" class=\"permalink-heading\"><strong>\u5de5\u4f5c\u539f\u7406\uff1a<\/strong><\/h4>\n<ol>\n<li>\u70ba\u5b50\u7db2\u8def\u5efa\u7acb\u81ea\u8a02NACL\u3002<\/li>\n<li>\u6839\u64daCIDR \u7bc4\u570d\u3001\u5354\u5b9a\u548c\u9023\u63a5\u57e0\u865f\u78bc\u5b9a\u7fa9\u5165\u7ad9\u548c\u51fa\u7ad9\u6d41\u91cf\u7684\u898f\u5247\u3002<\/li>\n<li>\u5c07NACL \u61c9\u7528\u65bc\u4e00\u500b\u6216\u591a\u500b\u5b50\u7db2\u8def\u4ee5\u5f37\u5236\u57f7\u884c\u898f\u5247\u3002<\/li>\n<\/ol>\n<p><strong>\u7528\u4f8b\uff1a<\/strong>\u4f7f\u7528NACL \u4f5c\u70ba\u7e3d\u9ad4\u898f\u5247\u4f86\u63a7\u5236\u6574\u500b\u5b50\u7db2\u8def\u7684\u8a2a\u554f\uff0c\u5c24\u5176\u662f\u5728\u5177\u6709\u591a\u500bEC2 \u5be6\u4f8b\u7684\u74b0\u5883\u4e2d\u3002<\/p>\n<p>&nbsp;<\/p>\n<h3 id=\"heading-security-groups-vs-nacls-when-to-use-what\" class=\"permalink-heading\"><strong>\u5b89\u5168\u7fa4\u7d44\u8207NACL\uff1a\u4f55\u6642\u4f7f\u7528\u4ec0\u9ebc\uff1f<\/strong><\/h3>\n<table style=\"border-collapse: collapse; width: 92.4412%; height: 143px;\" border=\"1\">\n<tbody>\n<tr style=\"height: 23px;\">\n<td style=\"width: 29.1202%; height: 23px;\">\u7279\u5fb5<\/td>\n<td style=\"width: 33.0854%; height: 23px;\">\u5b89\u5168\u7fa4\u7d44<\/td>\n<td style=\"width: 30.3834%; height: 23px;\">\u7db2\u8defACL<\/td>\n<\/tr>\n<tr style=\"height: 24px;\">\n<td style=\"width: 29.1202%; height: 24px;\"><strong>\u7bc4\u570d<\/strong><\/td>\n<td style=\"width: 33.0854%; height: 24px;\">\u5be6\u4f8b\u5c64\u7d1a<\/td>\n<td style=\"width: 30.3834%; height: 24px;\">\u5b50\u7db2\u8def\u7d1a\u5225<\/td>\n<\/tr>\n<tr style=\"height: 24px;\">\n<td style=\"width: 29.1202%; height: 24px;\"><strong>\u898f\u5247\u985e\u578b<\/strong><\/td>\n<td style=\"width: 33.0854%; height: 24px;\">\u50c5\u5141\u8a31<\/td>\n<td style=\"width: 30.3834%; height: 24px;\">\u5141\u8a31\u548c\u62d2\u7d55<\/td>\n<\/tr>\n<tr style=\"height: 24px;\">\n<td style=\"width: 29.1202%; height: 24px;\"><strong>\u9810\u8a2d\u884c\u70ba<\/strong><\/td>\n<td style=\"width: 33.0854%; height: 24px;\">\u963b\u6b62\u6240\u6709\u5165\u7ad9\uff0c\u5141\u8a31\u6240\u6709\u51fa\u7ad9<\/td>\n<td style=\"width: 30.3834%; height: 24px;\">\u5141\u8a31\u6240\u6709\u5165\u7ad9\u548c\u51fa\u7ad9<\/td>\n<\/tr>\n<tr style=\"height: 24px;\">\n<td style=\"width: 29.1202%; height: 24px;\"><strong>\u6709\u72c0\u614b\/\u7121\u72c0\u614b<\/strong><\/td>\n<td style=\"width: 33.0854%; height: 24px;\">\u6709\u72c0\u614b\u7684<\/td>\n<td style=\"width: 30.3834%; height: 24px;\">\u7121\u570b\u7c4d<\/td>\n<\/tr>\n<tr style=\"height: 24px;\">\n<td style=\"width: 29.1202%; height: 24px;\"><strong>\u898f\u5247\u9806\u5e8f<\/strong><\/td>\n<td style=\"width: 33.0854%; height: 24px;\">\u4e0d\u9069\u7528<\/td>\n<td style=\"width: 30.3834%; height: 24px;\">\u4f9d\u5e8f\u8655\u7406\u898f\u5247<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<ul>\n<li>\u4f7f\u7528<strong>\u5b89\u5168\u7fa4\u7d44<\/strong>\u4f86\u5236\u5b9a<strong>\u7279\u5b9a\u65bc\u5be6\u4f8b\u7684\u898f\u5247<\/strong>\uff0c\u4f8b\u5982\u555f\u7528SSH \u6216HTTP \u5b58\u53d6\u3002<\/li>\n<li>\u4f7f\u7528<strong>NACL<\/strong>\u5236\u5b9a<strong>\u66f4\u5ee3\u6cdb\u7684\u5b50\u7db2\u8def\u5c64\u7d1a\u898f\u5247<\/strong>\uff0c\u4f8b\u5982\u5728\u6574\u500b\u74b0\u5883\u4e2d\u963b\u6b62\u7279\u5b9a\u7684IP \u7bc4\u570d\u3002<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h3 id=\"heading-the-shared-responsibility-model\" class=\"permalink-heading\"><strong>\u5171\u64d4\u8cac\u4efb<\/strong>\u6a21\u578b<\/h3>\n<p>AWS \u63a1\u7528<strong>\u5171\u4eab\u8cac\u4efb\u6a21\u578b<\/strong>\u4f86\u78ba\u4fdd\u5b89\u5168\u6027\uff1a<\/p>\n<ul>\n<li><strong>AWS \u7684\u8077\u8cac\uff1a<\/strong>\u4fdd\u8b77\u96f2\u7aef\u57fa\u790e\u8a2d\u65bd\uff08\u8cc7\u6599\u4e2d\u5fc3\u3001\u786c\u9ad4\u3001\u7db2\u8def\uff09\u3002<\/li>\n<li><strong>\u60a8\u7684\u8cac\u4efb\uff1a<\/strong>\u4fdd\u8b77\u96f2\u7aef\u4e2d\u7684\u5167\u5bb9\uff08\u61c9\u7528\u7a0b\u5f0f\u3001\u8cc7\u6599\u3001\u5b58\u53d6\u63a7\u5236\uff09\u3002<\/li>\n<\/ul>\n<p>\u7406\u89e3\u4e26\u6b63\u78ba\u914d\u7f6e<strong>\u5b89\u5168\u7fa4\u7d44<\/strong>\u548c<strong>NACL<\/strong>\u5c0d\u65bc\u5b8c\u6210\u6b64\u6a21\u578b\u7684\u90e8\u5206\u81f3\u95dc\u91cd\u8981\u3002<\/p>\n<p>&nbsp;<\/p>\n<p><img decoding=\"async\" class=\"wp-image-2168 size-full aligncenter\" src=\"http:\/\/aws-oncloudai.com\/wp-content\/uploads\/2025\/01\/OIP-4-e1736234421775.jpeg\" alt=\"\" width=\"305\" height=\"265\" srcset=\"https:\/\/aws-oncloudai.com\/wp-content\/uploads\/2025\/01\/OIP-4-e1736234421775.jpeg 305w, https:\/\/aws-oncloudai.com\/wp-content\/uploads\/2025\/01\/OIP-4-e1736234421775-300x261.jpeg 300w, https:\/\/aws-oncloudai.com\/wp-content\/uploads\/2025\/01\/OIP-4-e1736234421775-14x12.jpeg 14w\" sizes=\"(max-width: 305px) 100vw, 305px\" \/><\/p>\n<p>&nbsp;<\/p>\n<h3 id=\"heading-practical-applications-and-best-practices\" class=\"permalink-heading\"><strong>\u5be6\u969b\u61c9\u7528\u548c\u6700\u4f73<\/strong>\u5be6\u8e10<\/h3>\n<ol>\n<li><strong>\u5f9e\u6700\u5c0f\u6b0a\u9650\u958b\u59cb\uff1a<\/strong>\u50c5\u5141\u8a31\u61c9\u7528\u7a0b\u5f0f\u904b\u884c\u6240\u9700\u7684\u6d41\u91cf\u3002<\/li>\n<li><strong>\u4f7f\u7528NACL \u4f5c\u70ba\u57fa\u7dda\u898f\u5247\uff1a<\/strong>\u4f7f\u7528NACL \u5728\u5b50\u7db2\u8def\u5c64\u7d1a\u963b\u6b62\u60e1\u610fIP \u7bc4\u570d\u3002<\/li>\n<li><strong>\u6e2c\u8a66\u914d\u7f6e\uff1a<\/strong>\u5b9a\u671f\u6e2c\u8a66\u60a8\u7684\u5b89\u5168\u898f\u5247\u4ee5\u78ba\u4fdd\u5b83\u5011\u6309\u9810\u671f\u5de5\u4f5c\u3002<\/li>\n<li><strong>\u4f7f\u7528VPC \u6d41\u65e5\u8a8c\u76e3\u63a7\u6d41\u91cf\uff1a<\/strong>\u4f7f\u7528VPC 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