{"id":30554,"date":"2024-04-09T09:00:03","date_gmt":"2024-04-09T00:00:03","guid":{"rendered":"https:\/\/www.agent-grow.com\/self20percent\/?p=30554"},"modified":"2024-04-08T11:14:16","modified_gmt":"2024-04-08T02:14:16","slug":"aws-network-firewall-nat-gateway-alb%e3%81%ae%e6%a7%8b%e6%88%90%e3%82%92%e6%a7%8b%e7%af%89%e3%81%99%e3%82%8b%e9%9a%9b%e3%81%ae%e3%83%9d%e3%82%a4%e3%83%b3%e3%83%88","status":"publish","type":"post","link":"https:\/\/www.agent-grow.com\/self20percent\/2024\/04\/09\/aws-network-firewall-nat-gateway-alb%e3%81%ae%e6%a7%8b%e6%88%90%e3%82%92%e6%a7%8b%e7%af%89%e3%81%99%e3%82%8b%e9%9a%9b%e3%81%ae%e3%83%9d%e3%82%a4%e3%83%b3%e3%83%88\/","title":{"rendered":"AWS Network Firewall + NAT Gateway + ALB\u306e\u69cb\u6210\u3092\u69cb\u7bc9\u3059\u308b\u969b\u306e\u30dd\u30a4\u30f3\u30c8"},"content":{"rendered":"

AWS Network Firewall + NAT Gateway + ALB\u306e\u69cb\u6210\u3092\u69cb\u7bc9\u3059\u308b\u969b\u306b\u3001\u6b21\u306e\u69cb\u6210\u56f3\u3067VPC\u5916\u90e8\u304b\u3089\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u3069\u306e\u3088\u3046\u306bALB\u304b\u3089Firewall Endpoint\u3078\u5230\u9054\u3055\u305b\u3001\u307e\u305f\u30eb\u30fc\u30eb\u30b0\u30eb\u30fc\u30d7\u306b\u57fa\u3065\u3044\u3066\u691c\u77e5\u3055\u305b\u308b\u304b\uff1f\u306b\u3064\u3044\u3066\u8272\u3005\u3068\u8abf\u3079\u3066\u691c\u8a3c\u3057\u305f\u305f\u3081\u3001\u305d\u306e\u5185\u5bb9\u306b\u3064\u3044\u3066\u30a2\u30a6\u30c8\u30d7\u30c3\u30c8\u3044\u305f\u3057\u307e\u3059\u3002<\/p>\n

\u203b\u672c\u69cb\u6210\u3067\u4f7f\u7528\u3055\u308c\u308bVPC CIDR\u7bc4\u56f2\u3084IP\u30a2\u30c9\u30ec\u30b9\u306f\u691c\u8a3c\u7528\u3068\u3057\u3066\u4f7f\u7528\u3057\u3066\u3044\u308b\u3082\u306e\u3067\u3059\u3002<\/p>\n

\u69cb\u6210\u56f3<\/h2>\n

\"NW_ALB\"<\/p>\n

 <\/p>\n

\u3053\u306e\u69cb\u6210\u3067\u306fVPC\u5916\u90e8\u304b\u3089\u306e\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092ALB -> Firewall Endpoint\u3092\u7d4c\u7531\u3057\u3066\u3001Network Firewall\u306b\u3066\u8a2d\u5b9a\u3057\u305f\u30eb\u30fc\u30eb\u306b\u57fa\u3065\u3044\u3066\u3001\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u691c\u67fb\u3057\u3001\u30d1\u30b9\u3082\u3057\u304f\u306f\u30c9\u30ed\u30c3\u30d7\u3059\u308b\u69cb\u6210\u3068\u306a\u3063\u3066\u304a\u308a\u307e\u3059\u3002<\/p>\n

VPC\u5185\u90e8 (EC2)\u304b\u3089VPC\u5916\u3078\u51fa\u3066\u3044\u304f\u901a\u4fe1\u306b\u95a2\u3057\u3066\u306f\u691c\u67fb\u306e\u5bfe\u8c61\u5916\u3068\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n

\u203b\u6ce8\u610f\u70b9<\/h4>\n

\u672c\u69cb\u6210\u56f3\u306f\u30b7\u30f3\u30b0\u30ebAZ\u3067\u306e\u56f3\u3068\u306a\u3063\u3066\u304a\u308a\u307e\u3059\u304c\u3001ALB\u306e\u4ed5\u69d8\u4e0a\u3001\u8907\u6570AZ\u306b\u914d\u7f6e\u3055\u305b\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/mark><\/p>\n

\u305d\u306e\u305f\u3081\u3001\u672c\u69cb\u6210\u3092\u4f5c\u6210\u3059\u308b\u5834\u5408\u306b\u306f\u53b3\u5bc6\u306b\u306f\u300cPublicSubnet\u306f\u5404AZ\u306b\u4f5c\u6210\u3057\u3001\u5404AZ\u306b\u4f5c\u6210\u3055\u308c\u305fPublicSubnet\u53cc\u65b9\u5bfe\u3057\u3066\u69cb\u6210\u56f3\u3067\u793a\u3057\u3066\u3044\u308b\u30eb\u30fc\u30c8\u30c6\u30fc\u30d6\u30eb\u3092\u8a2d\u5b9a\u3059\u308b<\/mark>\u300d\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n

\u306f\u3058\u3081\u3001\u79c1\u306f\u7247\u65b9\u306ePublicSubnet (\u30ea\u30bd\u30fc\u30b9\u3092\u4f55\u3082\u914d\u7f6e\u3057\u3066\u3044\u306a\u3044\u65b9)\u306bFirewall Endpoint\u3092\u7d4c\u7531\u3059\u308b\u30eb\u30fc\u30c8\u30c6\u30fc\u30d6\u30eb\u3092\u8a2d\u5b9a\u3057\u306a\u304b\u3063\u305f\u305f\u3081\u3001Firewall Endpoint\u3092\u98db\u3073\u8d8a\u3048\u3066EC2\u306b\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u304c\u5230\u9054\u3057\u3066\u3057\u307e\u3063\u3066\u3069\u3046\u3084\u3063\u3066\u3082\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u306e\u30d6\u30ed\u30c3\u30af\u304c\u50cd\u304b\u306a\u304f\u3066\u6cbc\u306b\u306f\u307e\u308a\u307e\u3057\u305f\u3002<\/p>\n

 <\/p>\n

\u4eca\u56de\u306e\u30dd\u30a4\u30f3\u30c8<\/h2>\n

\u3053\u306e\u69cb\u6210\u3092\u69cb\u7bc9\u3059\u308b\u969b\u306e\u6700\u3082\u91cd\u8981\u306a\u30dd\u30a4\u30f3\u30c8\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\u3002<\/p>\n

    \n
  1. Network Firewall\u306e\u30b9\u30c6\u30fc\u30c8\u30d5\u30eb\u30c7\u30d5\u30a9\u30eb\u30c8\u30a2\u30af\u30b7\u30e7\u30f3\u306f\u30c9\u30ed\u30c3\u30d7\u3057\u306a\u3044\u8a2d\u5b9a<\/li>\n
  2. \u30eb\u30fc\u30c8\u30c6\u30fc\u30d6\u30eb\u306e\u8a2d\u8a08<\/li>\n
  3. EC2\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30b0\u30eb\u30fc\u30d7\u306e\u8a2d\u5b9a<\/li>\n
  4. ALB\u306e\u30bf\u30fc\u30b2\u30c3\u30c8\u30bf\u30a4\u30d7\u306e\u8a2d\u5b9a<\/li>\n<\/ol>\n

    \u4e0a\u8a18\u306e\u8a2d\u5b9a\u3092\u3057\u3063\u304b\u308a\u3068\u884c\u308f\u306a\u3044\u3068\u3001VPC\u5916\u90e8\u304b\u3089\u306e\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092Internet Gateway -> ALB -> Firewall Endpoint ->EC2\u3068\u3044\u3046\u7d4c\u8def\u3092\u305f\u3069\u3063\u3066\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u6d41\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u305b\u3093\u3002<\/p>\n

    Network Firewall\u306e\u30b9\u30c6\u30fc\u30c8\u30d5\u30eb\u30c7\u30d5\u30a9\u30eb\u30c8\u30a2\u30af\u30b7\u30e7\u30f3<\/h2>\n

    \"NW_ALB\"<\/p>\n

    \u30b9\u30c6\u30fc\u30c8\u30ec\u30b9\u30eb\u30fc\u30eb\u306e\u30c7\u30d5\u30a9\u30eb\u30c8\u30a2\u30af\u30b7\u30e7\u30f3\u306f\u300c\u30b9\u30c6\u30fc\u30c8\u30d5\u30eb\u30eb\u30fc\u30eb\u3078\u8ee2\u9001\u300d\u3068\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n

    \u305d\u306e\u4e0a\u3067\u30b9\u30c6\u30fc\u30c8\u30d5\u30eb\u30eb\u30fc\u30eb\u306e\u30c7\u30d5\u30a9\u30eb\u30c8\u30a2\u30af\u30b7\u30e7\u30f3\u306b\u3064\u3044\u3066\u306f\u300c\u306a\u3057\u300d\u3092\u8a2d\u5b9a\u3057\u3001\u30d6\u30e9\u30c3\u30af\u30ea\u30b9\u30c8\u65b9\u5f0f\u3067\u691c\u8a3c\u3057\u307e\u3059\u3002<\/p>\n

    \u30d6\u30e9\u30c3\u30af\u30ea\u30b9\u30c8\u65b9\u5f0f\u306b\u3057\u3066\u3001\u4e00\u65e6\u3059\u3079\u3066\u306e\u901a\u4fe1\u304c\u554f\u984c\u306a\u304f\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u3092\u7d4c\u7531\u3055\u305b\u3001\u5f8c\u7d9a\u306eEC2\u306b\u5230\u9054\u3067\u304d\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u305f\u4e0a\u3067deny\u30eb\u30fc\u30eb\u3092\u9069\u7528\u3057\u305f\u3068\u304d\u306b\u901a\u4fe1\u304c\u610f\u56f3\u3057\u305f\u3088\u3046\u306b\u30d6\u30ed\u30c3\u30af\u3055\u308c\u308b\u304b\u3092\u78ba\u8a8d\u3057\u305f\u3044\u305f\u3081\u3067\u3059\u3002<\/p>\n

     <\/p>\n

    \u30eb\u30fc\u30c8\u30c6\u30fc\u30d6\u30eb\u306e\u8a2d\u8a08<\/h2>\n

    \u6b21\u306b\u30eb\u30fc\u30c8\u30c6\u30fc\u30d6\u30eb\u306e\u8a2d\u8a08\u3067\u3059\u3002<\/p>\n

    MSR(More Specific Routing)<\/a>\u3068\u3044\u3046\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u306e\u304a\u304b\u3052\u3067\u3001\u5f93\u6765VPC CIDR\u7bc4\u56f2\u3067\u3057\u304b\u8a2d\u5b9a\u3067\u304d\u306a\u304b\u3063\u305f\u30eb\u30fc\u30c8\u30c6\u30fc\u30d6\u30eb\u306e\u8a2d\u5b9a\u304c\u3001VPC CIDR\u7bc4\u56f2\u3088\u308a\u3082\u8a73\u7d30\u306a\u7bc4\u56f2\u3067\u3042\u308b\u3001\u30b5\u30d6\u30cd\u30c3\u30c8CIDR\u7bc4\u56f2\u306e\u30eb\u30fc\u30c8\u3092\u8a2d\u5b9a\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u3063\u305f\u305f\u3081\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u306e\u8a2d\u5b9a\u304c\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3057\u305f\u3002<\/p>\n

    \u3053\u306e\u8a2d\u5b9a\u4f8b\u3067\u306f\u3001EC2\u304c\u914d\u7f6e\u3055\u308c\u3066\u3044\u308b\u30b5\u30d6\u30cd\u30c3\u30c8\u306eCIDR\u7bc4\u56f2\u3092\u9001\u4fe1\u5148\u3068\u3057\u3001\u30bf\u30fc\u30b2\u30c3\u30c8\u306bFirewall Endpoint\u3092\u8a2d\u5b9a\u3059\u308b\u3053\u3068\u3067\u3001Firewall Endpoint\u3092\u7d4c\u7531\u3057\u3066EC2\u306b\u884c\u3063\u3066\u306d\u3001\u306e\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n

    \"nw_alb\"<\/p>\n

    \u307e\u305f\u3001\u3053\u306e\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u3092\u3059\u308b\u3053\u3068\u3067\u3001TLS\u306e\u7d42\u7aef\u3092ALB\u307e\u3067\u3068\u3059\u308b\u3053\u3068\u3067\u3001\u901a\u4fe1\u306e\u5185\u5bb9\u304c\u6697\u53f7\u5316\u3055\u308c\u3066\u3044\u306a\u3044\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092Firewall Endpoint\u3078\u6d41\u3059\u3053\u3068\u304c\u53ef\u80fd\u306b\u306a\u308aNetwork Firewall\u3067\u901a\u4fe1\u306e\u4e2d\u8eab\u3092\u898b\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002(\u53b3\u5bc6\u306b\u306fAWS Network Firewall\u306b\u304a\u3044\u3066\u3082TLS\u30a4\u30f3\u30b9\u30da\u30af\u30b7\u30e7\u30f3\u8a2d\u5b9a\u3092\u3059\u308b\u3053\u3068\u3067\u6697\u53f7\u5316\u3055\u308c\u305f\u901a\u4fe1\u3068\u5fa9\u53f7\u5316\u3057\u305f\u3046\u3048\u3067\u691c\u67fb\u3059\u308b\u3053\u3068\u306f\u53ef\u80fd\u3067\u3059\u304c\u3001\u4eca\u56de\u306f\u4e0a\u8a18\u69cb\u6210\u3092\u4e2d\u5fc3\u306b\u89e3\u8aac\u3059\u308b\u305f\u3081\u8a73\u7d30\u306f\u5272\u611b\u3057\u307e\u3059)<\/p>\n

    Network Firewall\u5074\u3067\u5fa9\u53f7\u5316 -> \u691c\u67fb -> \u6697\u53f7\u5316 -> ALB\u3078\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u6d41\u3059\u3001\u3068\u3044\u3046\u69cb\u6210\u306f\u30ec\u30a4\u30c6\u30f3\u30b7\u30fc\u306b\u5f71\u97ff\u304c\u767a\u751f\u3059\u308b\u61f8\u5ff5\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n

    EC2\u306e\u914d\u7f6e\u3055\u308c\u305fPrivateSubnet\u306e\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u306e\u8a2d\u5b9a\u306f\u4e0b\u56f3\u306e\u3088\u3046\u306b\u8a2d\u5b9a\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n\n\n\n\n\n
    \u9001\u4fe1\u5148<\/td>\n\u30bf\u30fc\u30b2\u30c3\u30c8<\/td>\n<\/tr>\n
    10.0.0.0\/21<\/td>\nlocal<\/td>\n<\/tr>\n
    0.0.0.0\/0<\/td>\nFirewall Endpoint<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

     <\/p>\n

    EC2\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30b0\u30eb\u30fc\u30d7\u306e\u8a2d\u5b9a<\/h2>\n

    EC2\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30b0\u30eb\u30fc\u30d7\u306b\u3064\u3044\u3066\u306fFirewall Subnet\u306eCIDR\u7bc4\u56f2\u304b\u3089\u30a2\u30af\u30bb\u30b9\u3092\u8a31\u53ef\u3059\u308b\u30a4\u30f3\u30d0\u30a6\u30f3\u30c9\u8a31\u53ef\u304c\u5fc5\u8981\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n

    Reachability Analyzer\u3092\u4f7f\u7528\u3057\u3066\u6c17\u3065\u3044\u305f\u5185\u5bb9\u306a\u306e\u3067\u3059\u304cFirewall Endpoint -> EC2\u306e\u30eb\u30fc\u30c8\u306e\u5230\u9054\u304c\u3067\u304d\u306a\u3044\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3001EC2\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30b0\u30eb\u30fc\u30d7\u306e\u30a4\u30f3\u30d0\u30a6\u30f3\u30c9\u30eb\u30fc\u30eb\u306bFirewall Subnet\u306eCIDR\u7bc4\u56f2\u304b\u3089\u306e\u30a2\u30af\u30bb\u30b9\u3092\u8a31\u53ef\u3059\u308b\u3088\u3046\u306b\u3059\u308b\u3053\u3068\u3067\u3001\u30eb\u30fc\u30c8\u306e\u5230\u9054\u78ba\u8a8d\u3082\u3067\u304d\u307e\u3057\u305f\u3002<\/p>\n

    \"nw_alb\"<\/p>\n

    \"nw_alb\"<\/p>\n

     <\/p>\n

    ALB\u30bf\u30fc\u30b2\u30c3\u30c8\u30bf\u30a4\u30d7\u306e\u8a2d\u5b9a<\/h2>\n

    \u4eca\u56de\u306e\u69cb\u6210\u3092\u69cb\u7bc9\u3059\u308b\u969b\u306b\u3001AWS DIVE DEEP\u306e\u4ee5\u4e0b\u8cc7\u6599\u306b\u306f<\/p>\n

    ELB\u306e\u30bf\u30fc\u30b2\u30c3\u30c8\u30bf\u30a4\u30d7\u3068\u3057\u3066IP\u306e\u6307\u5b9a\u304c\u5fc5\u8981<\/p><\/blockquote>\n

    \u3068\u8a18\u8f09\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n

    \u30af\u30ea\u30c3\u30af\u3057\u306620220929_22th_ISV_DiveDeepSeminar_Amazon-Network-Firewall.pdf\u306b\u30a2\u30af\u30bb\u30b9<\/a><\/p>\n

    \u3053\u306e\u69cb\u6210\u3067\u306f\u3001ALB -> EC2\u3078\u306e\u30bf\u30fc\u30b2\u30c3\u30c8\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9ID\u3092\u6307\u5b9a\u3057\u3066\u767b\u9332\u3059\u308b\u306e\u3067\u306f\u306a\u304f\u3001IP\u30a2\u30c9\u30ec\u30b9\u3092\u6307\u5b9a\u3057\u3066\u767b\u9332\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n

    \u3053\u308c\u3067\u30d8\u30eb\u30b9\u30c1\u30a7\u30c3\u30af\u3092\u78ba\u8a8d\u3057\u3001\u554f\u984c\u306a\u304f”Helthy”\u306b\u306a\u3063\u3066\u3044\u308c\u3070\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u306e\u8a2d\u5b9a\u306f\u5b8c\u4e86\u3067\u3059\u3002<\/p>\n

    \"NW_ALB\"<\/p>\n

     <\/p>\n

    \u691c\u8a3c\u3057\u3066\u307f\u308b<\/h2>\n

    \u5b9f\u969b\u306ballow\u30eb\u30fc\u30eb\u3068deny\u30eb\u30fc\u30eb\u3092\u4f5c\u6210\u3057\u3066\u3001\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u304c\u901a\u904e\u3057\u3066alert\u30ed\u30b0\u304c\u53d6\u308c\u308b\u304b\u3001\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u30d6\u30ed\u30c3\u30af\u3057\u3066drop\u30ed\u30b0\u304c\u53d6\u308c\u308b\u304b\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002<\/p>\n

    \u8a73\u7d30\u306a\u30eb\u30fc\u30eb\u306f\u4ee5\u4e0b<\/p>\n

    firewall-rule-allow<\/p>\n\n\n\n\n\n
    \u30d7\u30ed\u30c8\u30b3\u30eb<\/td>\n\u9001\u4fe1\u5143<\/td>\n\u9001\u4fe1\u5148<\/td>\n\u9001\u4fe1\u5143\u30dd\u30fc\u30c8<\/td>\n\u9001\u4fe1\u5148\u30dd\u30fc\u30c8<\/td>\n\u65b9\u5411<\/td>\n\u30a2\u30af\u30b7\u30e7\u30f3<\/td>\n\u30ad\u30fc\u30ef\u30fc\u30c9<\/td>\n<\/tr>\n
    TCP<\/td>\nANY<\/td>\nPrivateSubnet CIDR\u7bc4\u56f2<\/td>\nANY<\/td>\n80<\/td>\n\u8ee2\u9001<\/td>\n\u30a2\u30e9\u30fc\u30c8<\/td>\nsid: 1<\/td>\n<\/tr>\n
    TCP<\/td>\nANY<\/td>\nPrivateSubnet CIDR\u7bc4\u56f2<\/td>\nANY<\/td>\n80<\/td>\n\u8ee2\u9001<\/td>\n\u30d1\u30b9<\/td>\nsid: 2<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

    \u4e0a\u8a18\u306e\u30eb\u30fc\u30eb\u306e\u8a73\u7d30\u3092\u304a\u8a71\u3044\u305f\u3057\u307e\u3059\u3068\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u306e\u30ed\u30b0\u5206\u6790\u3067\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u5411\u4e0a<\/a>\u306b\u8a18\u8f09\u304c\u3042\u308b\u306e\u3067\u3059\u304c\u3001\u30d1\u30b9\u306e\u30eb\u30fc\u30eb\u306b\u30de\u30c3\u30c1\u3057\u305f\u901a\u4fe1\u304c\u30a2\u30e9\u30fc\u30c8\u30ed\u30b0\u306b\u8a18\u9332\u3055\u308c\u306a\u3044\u305f\u3081\u3001\u5148\u306b\u30d1\u30b9\u30eb\u30fc\u30eb\u306e\u524d\u306b\u30a2\u30e9\u30fc\u30c8\u30eb\u30fc\u30eb\u3092\u8a2d\u5b9a\u3059\u308b\u3053\u3068\u3067\u3001”allowd”\u306e\u30ed\u30b0\u304c\u8a18\u9332\u3055\u308c\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n

    \"NW_ALB\"<\/p>\n

     <\/p>\n

    firewall-rule-deny<\/p>\n\n\n\n\n
    \u30d7\u30ed\u30c8\u30b3\u30eb<\/td>\n\u9001\u4fe1\u5143<\/td>\n\u9001\u4fe1\u5148<\/td>\n\u9001\u4fe1\u5143\u30dd\u30fc\u30c8<\/td>\n\u9001\u4fe1\u5148\u30dd\u30fc\u30c8<\/td>\n\u65b9\u5411<\/td>\n\u30a2\u30af\u30b7\u30e7\u30f3<\/td>\n\u30ad\u30fc\u30ef\u30fc\u30c9<\/td>\n<\/tr>\n
    TCP<\/td>\nANY<\/td>\nPrivateSubnet CIDR\u7bc4\u56f2<\/td>\nANY<\/td>\n80<\/td>\n\u8ee2\u9001<\/td>\n\u30c9\u30ed\u30c3\u30d7<\/td>\nsid: 1<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

    \u30eb\u30fc\u30eb\u304c\u7a7a\u306e\u72b6\u614b\u306e\u6319\u52d5<\/h4>\n

    \u30b9\u30c6\u30fc\u30c8\u30d5\u30eb\u30eb\u30fc\u30eb\u306e\u30c7\u30d5\u30a9\u30eb\u30c8\u30a2\u30af\u30b7\u30e7\u30f3\u306f\u30d1\u30b9\u3059\u308b\u3088\u3046\u306b\u8a2d\u5b9a\u3057\u3066\u3044\u308b\u305f\u3081(\u30c7\u30d5\u30a9\u30eb\u30c8\u30a2\u30af\u30b7\u30e7\u30f3\u306e\u30c1\u30a7\u30c3\u30af\u30dc\u30c3\u30af\u30b9\u306f\u4f55\u3082\u9078\u629e\uff53\u306a\u3044)EC2\u3078\u306e\u901a\u4fe1\u306f\u554f\u984c\u306a\u304f\u30ea\u30af\u30a8\u30b9\u30c8 \u21d4 \u30ec\u30b9\u30dd\u30f3\u30b9\u304c\u8fd4\u3063\u3066\u304d\u307e\u3059\u3002<\/p>\n

    \"NW_ALB\"<\/p>\n

     <\/p>\n

    allow\u30eb\u30fc\u30eb<\/h4>\n

    allow\u306e\u30eb\u30fc\u30eb\u3092\u9069\u7528\u3057\u307e\u3059\u3002<\/p>\n

    \"NW_ALB\"<\/p>\n

    ALB\u306eDNS\u540d\u3067\u30a2\u30af\u30bb\u30b9\u3057\u3001\u3053\u308c\u3082\u554f\u984c\u306a\u304f\u30a2\u30af\u30bb\u30b9\u3067\u304d\u308b\u3053\u3068\u304c\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002<\/p>\n

    \"NW_ALB\"<\/p>\n

    CloudWatch Logs\u306b”allowed”\u306e\u30ed\u30b0\u304c\u8a18\u9332\u3055\u308c\u307e\u3057\u305f\u3002<\/p>\n

    \u203bALB\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u672c\u69cb\u6210\u3067\u306f\u3001\u5916\u90e8\u304b\u3089\u306e\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u304cALB\u306b\u5230\u9054\u3059\u308b\u3068ALB\u306eIP\u30a2\u30c9\u30ec\u30b9\u306b\u5909\u308f\u3063\u3066\u3057\u307e\u3046\u305f\u3081\u3001\u6b63\u78ba\u306b\u5916\u90e8IP\u30a2\u30c9\u30ec\u30b9\u3092\u7279\u5b9a\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u305b\u3093\u3002<\/p>\n

    \"NW_ALB\"<\/p>\n

    deny\u30eb\u30fc\u30eb<\/h4>\n

    \u6b21\u306bdeny\u30eb\u30fc\u30eb\u3092\u9069\u7528\u3057\u3066\u307f\u307e\u3059\u3002<\/p>\n

    \"NW_ALB\"<\/p>\n

    ALB\u306e\u30d8\u30eb\u30b9\u30c1\u30a7\u30c3\u30af\u3092\u78ba\u8a8d\u3059\u308b\u3068”Unhelthy”\u306b\u306a\u308a\u307e\u3057\u305f\u3002<\/p>\n

    \"NW_ALB\"<\/p>\n

    ALB\u306eDNS\u540d\u3067\u30a2\u30af\u30bb\u30b9\u3059\u308b\u3068\u3001504\u30a8\u30e9\u30fc\u3067EC2\u3078\u5230\u9054\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u306a\u304f\u306a\u308a\u3001\u30bf\u30a4\u30d7\u30a2\u30a6\u30c8\u3068\u306a\u308a\u307e\u3057\u305f\u3002<\/p>\n

    \"NW_ALB\"<\/p>\n

    CloudWatch Logs\u306b”blocked”\u304c\u8a18\u9332\u3055\u308c\u307e\u3057\u305f\u3002<\/p>\n

    \u203b\u3053\u3061\u3089\u3082\u540c\u69d8\u306b\u3001\u5916\u90e8\u304b\u3089\u306e\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u304cALB\u306b\u5230\u9054\u3059\u308b\u3068ALB\u306eIP\u30a2\u30c9\u30ec\u30b9\u306b\u5909\u308f\u3063\u3066\u3057\u307e\u3046\u305f\u3081\u3001\u6b63\u78ba\u306b\u5916\u90e8IP\u30a2\u30c9\u30ec\u30b9\u3092\u7279\u5b9a\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u305b\u3093\u3002<\/p>\n

    \"NW_ALB\"<\/p>\n

    AWS Network Firewall\u3092\u4f7f\u7528\u3057\u305f\u691c\u8a3c\u306f\u4ee5\u4e0a\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n

    \u4eca\u56de\u306f\u691c\u8a3c\u306e\u305f\u3081\u6700\u5c0f\u69cb\u6210\u304b\u3064\u30d0\u30c3\u30af\u30a8\u30f3\u30c9\u3092EC2\u306e\u69cb\u6210\u3067\u5b9f\u65bd\u3057\u307e\u3057\u305f\u304c\u3001\u3053\u308c\u304cEKS\u30b3\u30f3\u30c6\u30ca\u306b\u3057\u305f\u5834\u5408\u306bALB\u306e\u30bf\u30fc\u30b2\u30c3\u30c8\u30bf\u30a4\u30d7\u3092IP\u30a2\u30c9\u30ec\u30b9\u306b\u3057\u305f\u5834\u5408\u306bPod\u306eIP\u30a2\u30c9\u30ec\u30b9\u306f\u52d5\u7684\u306b\u5909\u66f4\u306b\u306a\u308b\u60f3\u5b9a\u306a\u306e\u3067\u3001\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u554f\u984c\u306a\u304f\u6d41\u305b\u308b\u306e\u304b\u3069\u3046\u304b\uff1f\u304c\u5c11\u3057\u8ab2\u984c\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n

    \u305d\u306e\u70b9\u306f\u6539\u3081\u3066\u691c\u8a3c\u3067\u304d\u305f\u969b\u306b\u30a2\u30a6\u30c8\u30d7\u30c3\u30c8\u51fa\u6765\u305f\u3089\u3068\u601d\u3063\u3066\u304a\u308a\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

    AWS Network Firewall + NAT Gateway + ALB\u306e\u69cb\u6210\u3092\u69cb\u7bc9\u3059\u308b\u969b\u306b\u3001\u6b21\u306e\u69cb\u6210\u56f3\u3067VPC\u5916\u90e8\u304b\u3089\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u3069\u306e\u3088\u3046\u306bALB\u304b\u3089Firewall Endpoint\u3078\u5230\u9054\u3055\u305b […]<\/p>\n","protected":false},"author":82,"featured_media":30570,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[10],"tags":[899,898,900],"class_list":["post-30554","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tech","tag-alb","tag-aws-network-firewall","tag-nat-gateway"],"jetpack_featured_media_url":"https:\/\/www.agent-grow.com\/self20percent\/wp-content\/uploads\/2024\/03\/AWS-Network-Firewall.png","jetpack_shortlink":"https:\/\/wp.me\/p7Bq4F-7WO","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.agent-grow.com\/self20percent\/wp-json\/wp\/v2\/posts\/30554","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.agent-grow.com\/self20percent\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.agent-grow.com\/self20percent\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.agent-grow.com\/self20percent\/wp-json\/wp\/v2\/users\/82"}],"replies":[{"embeddable":true,"href":"https:\/\/www.agent-grow.com\/self20percent\/wp-json\/wp\/v2\/comments?post=30554"}],"version-history":[{"count":0,"href":"https:\/\/www.agent-grow.com\/self20percent\/wp-json\/wp\/v2\/posts\/30554\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.agent-grow.com\/self20percent\/wp-json\/wp\/v2\/media\/30570"}],"wp:attachment":[{"href":"https:\/\/www.agent-grow.com\/self20percent\/wp-json\/wp\/v2\/media?parent=30554"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.agent-grow.com\/self20percent\/wp-json\/wp\/v2\/categories?post=30554"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.agent-grow.com\/self20percent\/wp-json\/wp\/v2\/tags?post=30554"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}