{"id":2480,"date":"2025-04-15T09:04:49","date_gmt":"2025-04-15T01:04:49","guid":{"rendered":"https:\/\/aws-oncloudai.com\/?p=2480"},"modified":"2025-05-09T11:34:35","modified_gmt":"2025-05-09T03:34:35","slug":"ljazgyzwhsyzwzjdqb","status":"publish","type":"post","link":"https:\/\/aws-oncloudai.com\/ja\/\u7ffb\u8a33\/","title":{"rendered":"AWS \u306e\u30d1\u30d6\u30ea\u30c3\u30af\u30b5\u30d6\u30cd\u30c3\u30c8\u3068\u30d7\u30e9\u30a4\u30d9\u30fc\u30c8\u30b5\u30d6\u30cd\u30c3\u30c8\u306e\u9055\u3044\u3092\u7406\u89e3\u3059\u308b"},"content":{"rendered":"<p>AWS \u30af\u30e9\u30a6\u30c9\u74b0\u5883\u3067\u306f\u3001\u30b5\u30d6\u30cd\u30c3\u30c8\u306f VPC (\u4eee\u60f3\u30d7\u30e9\u30a4\u30d9\u30fc\u30c8\u30af\u30e9\u30a6\u30c9) \u306e\u4e00\u90e8\u3067\u3042\u308a\u3001\u30ea\u30bd\u30fc\u30b9\u304c\u5916\u90e8\u307e\u305f\u306f\u540c\u3058\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5185\u306e\u4ed6\u306e\u30ea\u30bd\u30fc\u30b9\u3068\u901a\u4fe1\u3059\u308b\u65b9\u6cd5\u3092\u6c7a\u5b9a\u3057\u307e\u3059\u3002\u30af\u30e9\u30a6\u30c9 \u30a4\u30f3\u30d5\u30e9\u30b9\u30c8\u30e9\u30af\u30c1\u30e3\u3092\u8a2d\u8a08\u3059\u308b\u969b\u306b\u306f\u3001\u30d1\u30d6\u30ea\u30c3\u30af \u30b5\u30d6\u30cd\u30c3\u30c8\u3068\u30d7\u30e9\u30a4\u30d9\u30fc\u30c8 \u30b5\u30d6\u30cd\u30c3\u30c8\u306e\u9055\u3044\u3092\u7406\u89e3\u3059\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002\u30d1\u30d6\u30ea\u30c3\u30af \u30b5\u30d6\u30cd\u30c3\u30c8\u3067\u306f\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u304c\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u3068\u76f4\u63a5\u901a\u4fe1\u3067\u304d\u307e\u3059\u304c\u3001\u30d7\u30e9\u30a4\u30d9\u30fc\u30c8 \u30b5\u30d6\u30cd\u30c3\u30c8\u306f NAT \u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u3084 VPN \u306a\u3069\u306e\u65b9\u6cd5\u3092\u4ecb\u3057\u3066\u5916\u90e8\u3068\u901a\u4fe1\u3057\u3001\u901a\u5e38\u306f\u3088\u308a\u9ad8\u3044\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3068\u5236\u5fa1\u304c\u5fc5\u8981\u306a\u30b7\u30ca\u30ea\u30aa\u3067\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002\u3053\u308c\u3089 2 \u3064\u306e\u7279\u6027\u3092\u7406\u89e3\u3059\u308b\u3053\u3068\u3067\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af \u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3068\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u6700\u9069\u5316\u3067\u304d\u307e\u3059\u3002<\/p>\n<h3 id=\"heading-public-subnets\" class=\"permalink-heading\"><strong>\u30d1\u30d6\u30ea\u30c3\u30af\u30b5\u30d6\u30cd\u30c3\u30c8<\/strong><\/h3>\n<p><strong>\u30d1\u30d6\u30ea\u30c3\u30af\u30b5\u30d6\u30cd\u30c3\u30c8<\/strong>\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u304b\u3089\u76f4\u63a5\u30a2\u30af\u30bb\u30b9\u3067\u304d\u308b\u30b5\u30d6\u30cd\u30c3\u30c8\u3067\u3059\u3002\u30d1\u30d6\u30ea\u30c3\u30af\u30b5\u30d6\u30cd\u30c3\u30c8\u5185\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u306f\u3001VPC\u306b\u63a5\u7d9a\u3067\u304d\u307e\u3059\u3002<strong>\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8 \u30b2\u30fc\u30c8\u30a6\u30a7\u30a4 (IGW) \u306f\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u304b\u3089\u306e\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u9001\u53d7\u4fe1\u3057\u307e\u3059\u3002<\/strong><\/p>\n<p><strong>\u4e3b\u306a\u6a5f\u80fd:<\/strong><\/p>\n<ol>\n<li><strong>\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u30c6\u30fc\u30d6\u30eb:<\/strong>\u30d1\u30d6\u30ea\u30c3\u30af \u30b5\u30d6\u30cd\u30c3\u30c8\u306e\u30eb\u30fc\u30c8 \u30c6\u30fc\u30d6\u30eb\u306b\u306f\u3001\u3059\u3079\u3066\u306e\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u5411\u3051\u30c8\u30e9\u30d5\u30a3\u30c3\u30af (0.0.0.0\/0) \u3092\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8 \u30b2\u30fc\u30c8\u30a6\u30a7\u30a4 (IGW) \u306b\u9001\u4fe1\u3059\u308b\u30eb\u30fc\u30c8\u304c\u5fc5\u8981\u3067\u3059\u3002<\/li>\n<li><strong>\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9:<\/strong>\u3053\u308c\u3089\u306e\u30b5\u30d6\u30cd\u30c3\u30c8\u306f\u901a\u5e38\u3001Web \u30b5\u30fc\u30d0\u30fc\u3001\u8981\u585e\u30db\u30b9\u30c8\u3001\u30ed\u30fc\u30c9 \u30d0\u30e9\u30f3\u30b5\u30fc\u306a\u3069\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u3078\u306e\u76f4\u63a5\u30a2\u30af\u30bb\u30b9\u3092\u5fc5\u8981\u3068\u3059\u308b\u30ea\u30bd\u30fc\u30b9\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002<\/li>\n<li><strong>\u30a2\u30af\u30bb\u30b9\uff1a<\/strong>\u30d1\u30d6\u30ea\u30c3\u30af\u30b5\u30d6\u30cd\u30c3\u30c8\u5185\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u306b\u306f\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u3068\u76f4\u63a5\u901a\u4fe1\u3059\u308b\u305f\u3081\u306e\u30d1\u30d6\u30ea\u30c3\u30af IP (\u307e\u305f\u306f Elastic IP) \u304c\u5272\u308a\u5f53\u3066\u3089\u308c\u307e\u3059\u3002<\/li>\n<\/ol>\n<h3 id=\"heading-private-subnets\" class=\"permalink-heading\"><strong>\u30d7\u30e9\u30a4\u30d9\u30fc\u30c8\u30b5\u30d6\u30cd\u30c3\u30c8<\/strong><\/h3>\n<p><strong>\u30d7\u30e9\u30a4\u30d9\u30fc\u30c8\u30b5\u30d6\u30cd\u30c3\u30c8<\/strong>\u76f4\u63a5\u306e\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8 \u30a2\u30af\u30bb\u30b9\u304b\u3089\u5206\u96e2\u3055\u308c\u307e\u3059\u3002\u30d7\u30e9\u30a4\u30d9\u30fc\u30c8\u30b5\u30d6\u30cd\u30c3\u30c8\u5185\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u306f\u3001\u7279\u5b9a\u306e\u69cb\u6210\u304c\u9069\u7528\u3055\u308c\u306a\u3044\u9650\u308a\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u304b\u3089\u306e\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u9001\u53d7\u4fe1\u3067\u304d\u307e\u305b\u3093\u3002<\/p>\n<p><strong>\u4e3b\u306a\u6a5f\u80fd:<\/strong><\/p>\n<ol>\n<li><strong>\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u30c6\u30fc\u30d6\u30eb:<\/strong>\u30d7\u30e9\u30a4\u30d9\u30fc\u30c8 \u30b5\u30d6\u30cd\u30c3\u30c8\u306e\u30eb\u30fc\u30c8 \u30c6\u30fc\u30d6\u30eb\u306b\u306f\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8 \u30b2\u30fc\u30c8\u30a6\u30a7\u30a4 (IGW) \u3078\u306e\u76f4\u63a5\u30eb\u30fc\u30c8\u304c\u542b\u307e\u308c\u3066\u3044\u307e\u305b\u3093\u3002<\/li>\n<li><strong>NAT \u30b2\u30fc\u30c8\u30a6\u30a7\u30a4 (NGW) \u3092\u4ecb\u3057\u3066\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u306b\u30a2\u30af\u30bb\u30b9\u3057\u307e\u3059\u3002<\/strong>\u30d7\u30e9\u30a4\u30d9\u30fc\u30c8\u30b5\u30d6\u30cd\u30c3\u30c8\u5185\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u306f\u30d1\u30d6\u30ea\u30c3\u30afIP\u30a2\u30c9\u30ec\u30b9\u3092\u6301\u3063\u3066\u3044\u307e\u305b\u3093\u304c\u3001<strong>NAT\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\uff08NGW\uff09<\/strong>\u307e\u305f\u306f\u30d1\u30d6\u30ea\u30c3\u30af\u30b5\u30d6\u30cd\u30c3\u30c8\u5185<strong>NAT \u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u306f\u3001\u9001\u4fe1\u901a\u4fe1 (\u66f4\u65b0\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u306a\u3069) \u306e\u305f\u3081\u306b\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u306b\u30a2\u30af\u30bb\u30b9\u3057\u307e\u3059\u3002<\/strong><\/li>\n<\/ol>\n<h3 id=\"heading-how-to-differentiate-between-public-and-private-subnets-in-aws\" class=\"permalink-heading\"><strong>AWS \u3067\u30d1\u30d6\u30ea\u30c3\u30af\u30b5\u30d6\u30cd\u30c3\u30c8\u3068\u30d7\u30e9\u30a4\u30d9\u30fc\u30c8\u30b5\u30d6\u30cd\u30c3\u30c8\u3092\u533a\u5225\u3059\u308b\u65b9\u6cd5<\/strong><\/h3>\n<p>\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8 \u30b2\u30fc\u30c8\u30a6\u30a7\u30a4 (IGW) \u307e\u305f\u306f NAT \u30b2\u30fc\u30c8\u30a6\u30a7\u30a4 (NGW) \u3068\u306e\u95a2\u9023\u4ed8\u3051\u3092\u78ba\u8a8d\u3059\u308b\u3053\u3068\u3067\u3001\u30d1\u30d6\u30ea\u30c3\u30af \u30b5\u30d6\u30cd\u30c3\u30c8\u3068\u30d7\u30e9\u30a4\u30d9\u30fc\u30c8 \u30b5\u30d6\u30cd\u30c3\u30c8\u3092\u533a\u5225\u3067\u304d\u307e\u3059\u3002<\/p>\n<ol>\n<li><strong>\u30d1\u30d6\u30ea\u30c3\u30af\u30b5\u30d6\u30cd\u30c3\u30c8:<\/strong>\n<ul>\n<li>\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0 \u30c6\u30fc\u30d6\u30eb\u306b\u306f IGW \u3078\u306e\u30eb\u30fc\u30c8\u304c\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002<\/li>\n<li>\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u306b\u306f\u30d1\u30d6\u30ea\u30c3\u30af IP \u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u30d7\u30e9\u30a4\u30d9\u30fc\u30c8\u30b5\u30d6\u30cd\u30c3\u30c8:<\/strong>\n<ul>\n<li>\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0 \u30c6\u30fc\u30d6\u30eb\u306b\u306f IGW \u3078\u306e\u76f4\u63a5\u30eb\u30fc\u30c8\u304c\u542b\u307e\u308c\u3066\u3044\u307e\u305b\u3093\u3002<\/li>\n<li>\u30a2\u30a6\u30c8\u30d0\u30a6\u30f3\u30c9\u306e\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8 \u30a2\u30af\u30bb\u30b9\u7528\u306b NAT \u30b2\u30fc\u30c8\u30a6\u30a7\u30a4 (NGW) \u3078\u306e\u30eb\u30fc\u30c8\u304c\u5b58\u5728\u3059\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<p>\u8981\u7d04\u3059\u308b\u3068\u3001AWS \u306e\u30d1\u30d6\u30ea\u30c3\u30af\u30b5\u30d6\u30cd\u30c3\u30c8\u3068\u30d7\u30e9\u30a4\u30d9\u30fc\u30c8\u30b5\u30d6\u30cd\u30c3\u30c8\u306f\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30a2\u30af\u30bb\u30b9\u5236\u5fa1\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3001\u901a\u4fe1\u65b9\u6cd5\u304c\u7570\u306a\u308a\u307e\u3059\u3002\u30d1\u30d6\u30ea\u30c3\u30af \u30b5\u30d6\u30cd\u30c3\u30c8\u306f\u3001Web \u30b5\u30fc\u30d0\u30fc\u306a\u3069\u306e\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u3078\u306e\u76f4\u63a5\u30a2\u30af\u30bb\u30b9\u304c\u5fc5\u8981\u306a\u30ea\u30bd\u30fc\u30b9\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u304c\u3001\u30d7\u30e9\u30a4\u30d9\u30fc\u30c8 \u30b5\u30d6\u30cd\u30c3\u30c8\u306f\u3001\u3088\u308a\u9ad8\u3044\u4fdd\u8b77\u304c\u5fc5\u8981\u306a\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3084\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u3089 2 \u3064\u306e\u30b5\u30d6\u30cd\u30c3\u30c8\u3092\u6b63\u3057\u304f\u69cb\u6210\u3059\u308b\u3068\u3001\u30b7\u30b9\u30c6\u30e0\u306e\u67d4\u8edf\u6027\u3068\u30b9\u30b1\u30fc\u30e9\u30d3\u30ea\u30c6\u30a3\u3092\u5411\u4e0a\u3055\u305b\u306a\u304c\u3089\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u78ba\u4fdd\u3067\u304d\u307e\u3059\u3002<\/p>","protected":false},"excerpt":{"rendered":"<p>AWS \u30af\u30e9\u30a6\u30c9\u74b0\u5883\u3067\u306f\u3001\u30b5\u30d6\u30cd\u30c3\u30c8\u306f VPC (\u4eee\u60f3\u30d7\u30e9\u30a4\u30d9\u30fc\u30c8\u30af\u30e9\u30a6\u30c9) \u306e\u4e00\u90e8\u3067\u3042\u308a\u3001\u30ea\u30bd\u30fc\u30b9\u304c\u5916\u90e8\u307e\u305f\u306f\u540c\u3058\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5185\u306e\u4ed6\u306e\u30ea\u30bd\u30fc\u30b9\u3068\u901a\u4fe1\u3059\u308b\u65b9\u6cd5\u3092\u6c7a\u5b9a\u3057\u307e\u3059\u3002\u30af\u30e9\u30a6\u30c9 \u30a4\u30f3\u30d5\u30e9\u30b9\u30c8\u30e9\u30af\u30c1\u30e3\u3092\u8a2d\u8a08\u3059\u308b\u969b\u306b\u306f\u3001\u30d1\u30d6\u30ea\u30c3\u30af \u30b5\u30d6\u30cd\u30c3\u30c8\u3068\u30d7\u30e9\u30a4\u30d9\u30fc\u30c8 \u30b5\u30d6\u30cd\u30c3\u30c8\u306e\u9055\u3044\u3092\u7406\u89e3\u3059\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002\u30d1\u30d6\u30ea\u30c3\u30af \u30b5\u30d6\u30cd\u30c3\u30c8\u3067\u306f\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u304c\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u3068\u76f4\u63a5\u901a\u4fe1\u3067\u304d\u307e\u3059\u304c\u3001\u30d7\u30e9\u30a4\u30d9\u30fc\u30c8 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