{"id":16609,"date":"2019-07-01T13:56:38","date_gmt":"2019-07-01T04:56:38","guid":{"rendered":"http:\/\/www.skyarch.net\/blog\/?p=16609"},"modified":"2019-07-01T13:56:38","modified_gmt":"2019-07-01T04:56:38","slug":"linux-%e3%82%ab%e3%83%bc%e3%83%8d%e3%83%ab-tcp-sack-dosdenial-of-service%e6%94%bb%e6%92%83%e5%95%8f%e9%a1%8c%e3%81%aeaws-%e3%81%b8%e3%81%ae%e5%bd%b1%e9%9f%bf%e3%81%ab%e3%81%a4%e3%81%84%e3%81%a6","status":"publish","type":"post","link":"https:\/\/www.skyarch.net\/blog\/linux-%e3%82%ab%e3%83%bc%e3%83%8d%e3%83%ab-tcp-sack-dosdenial-of-service%e6%94%bb%e6%92%83%e5%95%8f%e9%a1%8c%e3%81%aeaws-%e3%81%b8%e3%81%ae%e5%bd%b1%e9%9f%bf%e3%81%ab%e3%81%a4%e3%81%84%e3%81%a6\/","title":{"rendered":"Linux \u30ab\u30fc\u30cd\u30eb TCP SACK DoS(Denial of Service)\u653b\u6483\u554f\u984c\u306eAWS \u3078\u306e\u5f71\u97ff\u306b\u3064\u3044\u3066"},"content":{"rendered":"<p>Linux \u30ab\u30fc\u30cd\u30eb\u3067\u30ea\u30e2\u30fc\u30c8\u304b\u3089\u30ab\u30fc\u30cd\u30eb\u30d1\u30cb\u30c3\u30af\u3092\u8d77\u3053\u3059\u3053\u3068\u304c\u3067\u304d\u308b\u8106\u5f31\u6027\u304c\u898b\u3064\u304b\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<p><a href=\"https:\/\/github.com\/Netflix\/security-bulletins\/blob\/master\/advisories\/third-party\/2019-001.md\">NFLX-2019-001 Linux and FreeBSD Kernel: Multiple TCP-based remote denial of service vulnerabilities<\/a><\/p>\n<p>AWS \u4e0a\u306e\u5404\u7a2e\u30b5\u30fc\u30d3\u30b9\u3078\u306e\u5f71\u97ff\u304c\u307e\u3068\u3081\u3089\u308c\u3066\u3044\u305f\u306e\u3067\u7ffb\u8a33\u3057\u3066\u307f\u307e\u3057\u305f\u3002<\/p>\n<p>\u73fe\u5728\u5f71\u97ff\u306e\u5224\u660e\u3057\u3066\u3044\u308b\u30b5\u30fc\u30d3\u30b9\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\u3002<\/p>\n<ul>\n<li>Amazon Elastic Container Service (ECS)<\/li>\n<li>Amazon GameLift<\/li>\n<li>AWS Elastic Beanstalk<\/li>\n<li>Amazon Linux and Amazon Linux 2<\/li>\n<li>Amazon Elastic Compute Cloud (EC2)<\/li>\n<li>Elastic Load Balancing (ELB)<\/li>\n<li>Amazon WorkSpaces (Linux)<\/li>\n<li>Amazon Elastic Container Service for Kubernetes (Amazon EKS)<\/li>\n<li>Amazon ElastiCache<\/li>\n<li>Amazon EMR<\/li>\n<\/ul>\n<p>Linux Kernel TCP SACK Denial of Service Issues&lt;https:\/\/aws.amazon.com\/jp\/security\/security-bulletins\/AWS-2019-005\/&gt; \u306e\u66ab\u5b9a\u6284\u8a33\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002\u3002\u8a73\u7d30\u306f\u539f\u6587\u3092\u53c2\u7167\u3057\u3066\u304f\u3060\u3055\u3044\u3002 \u304b\u306a\u308a\u5e83\u3044\u7bc4\u56f2\u3067 AWS \u30b5\u30fc\u30d3\u30b9\u306b\u5f71\u97ff\u304c\u51fa\u308b\u3088\u3046\u3067\u3059\u30022019 \u5e746\u670818\u65e5\u5348\u524d11\u664245\u5206(PDT\/\u65e5\u672c\u6642\u9593\u30672019\u5e746\u670819\u65e54\u664245\u5206) \u6642\u70b9\u306e\u8cc7\u6599\u3067\u3059\u3002<\/p>\n<p>CVE \u8b58\u5225\u5b50: CVE-2019-11477, CVE-2019-11478, CVE-2019-11479<\/p>\n<h2 id=\"amazon-elastic-container-service-ecs\">Amazon Elastic Container Service (ECS)<\/h2>\n<p>Amazon ECS \u3067\u306f Amazon Linux \u3068 Amazon Linux 2 \u30ab\u30fc\u30cd\u30eb\u306b\u30d1\u30c3\u30c1\u3092\u9069\u7528\u3057\u305f ECS\u6700\u9069\u5316 Amazon Machine Images (AMIs) \u304c 2019\u5e746\u670817\u65e5\u306818\u65e5\u306b\u767a\u884c\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u6700\u65b0\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u53d6\u5f97\u3059\u308b\u65b9\u6cd5\u3092\u542b\u3080 ECS\u6700\u9069\u5316AMI \u306b\u3064\u3044\u3066\u306e\u8a73\u7d30\u306f\u4ee5\u4e0b\u3092\u53c2\u7167\u3057\u3066\u304f\u3060\u3055\u3044\u3002 <a href=\"https:\/\/docs.aws.amazon.com\/AmazonECS\/latest\/developerguide\/ecs-optimized_AMI.html\">Amazon Elastic Container Service Amazon ECS-optimized AMIs<\/a><\/p>\n<p>ECS \u3092\u3054\u5229\u7528\u4e2d\u306e\u65b9\u306f\u6700\u65b0\u306e ECS \u6700\u9069\u5316AMI \u3092\u4f7f\u7528\u3057\u3066 EC2 \u30b3\u30f3\u30c6\u30ca \u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u3059\u308b\u3053\u3068\u3092\u63a8\u5968\u3057\u307e\u3059\u3002<\/p>\n<h2 id=\"amazon-gamelift\">Amazon GameLift<\/h2>\n<p>\u5168\u3066\u306e Amazon GameLift \u304c\u5229\u7528\u53ef\u80fd\u306a\u30ea\u30fc\u30b8\u30e7\u30f3\u3067\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u3055\u308c\u305f Linux \u30d9\u30fc\u30b9\u306e Amazon GameLift \u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u7528 AMI \u304c\u5229\u7528\u53ef\u80fd\u3067\u3059\u3002Amazon GameLift \u3092\u3054\u5229\u7528\u4e2d\u306e\u65b9\u306f\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u3055\u308c\u305f AMI \u3092\u4f7f\u7528\u3057\u305f Amazon GameLift \u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u4f7f\u3063\u3066\u3001\u65b0\u3057\u3044\u30d5\u30ea\u30fc\u30c8\u3092\u4f5c\u6210\u3059\u308b\u3053\u3068\u3092\u63a8\u5968\u3057\u307e\u3059\u3002 \u30d5\u30ea\u30fc\u30c8\u306e\u4f5c\u6210\u306b\u95a2\u3057\u3066\u306e\u8a73\u7d30\u306f\u4ee5\u4e0b\u3092\u53c2\u7167\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p><a href=\"https:\/\/docs.aws.amazon.com\/gamelift\/latest\/developerguide\/fleets-creating.html\">Deploy a GameLift Fleet for a Custom Game Build<\/a><\/p>\n<h2 id=\"aws-elastic-beanstalk\">AWS Elastic Beanstalk<\/h2>\n<p>\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u3055\u308c\u305f AWS Elastic Beanstalk\u4e0a\u306eLinux\u30d9\u30fc\u30b9\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u304c\u5229\u7528\u53ef\u80fd\u3067\u3059\u3002<\/p>\n<p>\u30de\u30cd\u30fc\u30b8\u30c9\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u3092\u3054\u5229\u7528\u4e2d\u306e\u65b9\u306f\u3001\u9078\u629e\u3055\u308c\u3066\u3044\u308b\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u30a6\u30a3\u30f3\u30c9\u30a6\u3067\u6700\u65b0\u306e\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0 \u30d0\u30fc\u30b8\u30e7\u30f3\u306b\u81ea\u52d5\u7684\u306b\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u3055\u308c\u308b\u306e\u3067\u3001\u4f55\u3082\u3057\u306a\u304f\u3066\u3082\u69cb\u3044\u307e\u305b\u3093\u3002(\u203b\u8a33\u6ce8 \u3059\u3052\u30fc\u8d85\u4fbf\u5229)<\/p>\n<p>\u30de\u30cd\u30fc\u30b8\u30c9\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u3092\u3054\u5229\u7528\u4e2d\u306e\u65b9\u306f\u3001\u30de\u30cd\u30fc\u30b8\u30c9\u30d7\u30e9\u30c3\u30c8\u30d5\u30a1\u30fc\u30e0\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u8a2d\u5b9a\u30da\u30fc\u30b8\u3067 \"\u4eca\u3059\u3050\u9069\u7528\" \u30dc\u30bf\u30f3\u3092\u62bc\u3059\u3053\u3068\u3067\u3001\u9078\u629e\u3055\u308c\u3066\u3044\u308b\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u30a6\u30a3\u30f3\u30c9\u30a6\u3088\u308a\u3082\u65e9\u304f\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u3092\u9069\u7528\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u30de\u30cd\u30fc\u30b8\u30c9\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u3092\u6709\u52b9\u306b\u3057\u3066\u3044\u306a\u3044\u65b9\u306f\u3001\u4e0a\u8a18\u624b\u9806\u306b\u5f93\u3063\u3066\u5186\u500d\u8def\u9762\u3068\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u306e\u30d0\u30fc\u30b8\u30e7\u30f3 \u3092\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p>\u30de\u30cd\u30fc\u30b8\u30c9\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u306e\u8a73\u7d30\u306f\u4ee5\u4e0b\u3092\u53c2\u7167\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p><a href=\"https:\/\/docs.aws.amazon.com\/elasticbeanstalk\/latest\/dg\/environment-platform-update-managed.html\">AWS Elastic Beanstalk Managed Platform Updates<\/a><\/p>\n<h2 id=\"amazon-linux-and-amazon-linux-2\">Amazon Linux and Amazon Linux 2<\/h2>\n<p>Amazon Linux \u5411\u3051\u30ab\u30fc\u30cd\u30eb\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u304c Amazon Linux \u30ea\u30dd\u30b8\u30c8\u30ea\u3067\u5229\u7528\u53ef\u80fd\u3067\u3059\u3002 \u307e\u305f \u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u3055\u308c\u305f Amazon Linux AMI \u304c\u5229\u7528\u53ef\u80fd\u3067\u3059\u3002<\/p>\n<p>\u73fe\u5728\u3001Amazon Linux \u3092\u5b9f\u884c\u3057\u3066\u3044\u308b EC2 \u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u904b\u7528\u4e2d\u306e\u65b9\u306f\u4ee5\u4e0b\u306e\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p>sudo yum update kernel<\/p>\n<p>Linux \u30ab\u30fc\u30cd\u30eb\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u306e\u6a19\u6e96\u306b\u5f93\u3063\u3066\u3001yum update \u30b3\u30de\u30f3\u30c9\u5b8c\u4e86\u5f8c\u3001\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u3092\u6709\u52b9\u306b\u3059\u308b\u305f\u3081\u306b\u518d\u8d77\u52d5\u304c\u5fc5\u8981\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>Amazon Linux \u4ee5\u5916\u3092\u3054\u4f7f\u7528\u4e2d\u306e\u304b\u305f\u306f\u3053\u306e\u554f\u984c\u306b\u95a2\u3059\u308b\u6f5c\u5728\u7684\u306a DoS \u653b\u6483\u306b\u5bfe\u3057\u3066\u5fc5\u8981\u306a\u69d8\u3005\u306a\u7de9\u548c\u7b56\u3084\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u306b\u3064\u3044\u3066 \u306f\u305d\u308c\u305e\u308c\u306e\u30aa\u30da\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0\u30b7\u30b9\u30c6\u30e0\u306e\u30d9\u30f3\u30c0\u30fc\u306b\u304a\u554f\u3044\u5408\u308f\u305b\u304f\u3060\u3055\u3044\u3002<\/p>\n<p>\u3088\u308a\u8a73\u7d30\u306a\u60c5\u5831\u306f\u4ee5\u4e0b\u3092\u3054\u53c2\u7167\u304f\u3060\u3055\u3044\u3002<\/p>\n<p><a href=\"https:\/\/alas.aws.amazon.com\/ALAS-2019-1222.html\">Amazon Linux Security Center<\/a><\/p>\n<h2 id=\"amazon-elastic-compute-cloud-ec2\">Amazon Elastic Compute Cloud (EC2)<\/h2>\n<p>\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u306a\u3069\u306e\u4e0d\u7279\u5b9a\u591a\u6570\u304b\u3089\u306e TCP \u63a5\u7d9a\u3092\u5b9f\u65bd\u3059\u308b Linux\u30d9\u30fc\u30b9\u306e EC2 \u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u5b9f\u884c\u4e2d\u306e\u65b9\u306f\u3001\u3053\u306e\u554f\u984c\u306b\u95a2\u9023 \u3059\u308b\u6f5c\u5728\u7684\u306a DoS \u653b\u6483\u3092\u7de9\u548c\u3059\u308b\u30aa\u30da\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0\u30b7\u30b9\u30c6\u30e0\u30d1\u30c3\u30c1\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n<p>(\u203b\u8a33\u6ce8 \u591a\u304f\u306e\u516c\u958b WEB \u30b5\u30fc\u30d0\u304c\u8a72\u5f53\u3057\u307e\u3059\u3002)<\/p>\n<p>\u6ce8\u610f: Amazon Elastic Load Balancing (ELB) \u3092\u3054\u5229\u7528\u4e2d\u306e\u65b9\u306f\u5f8c\u8ff0\u3059\u308b \"Elastic Load Balancing (ELB)\" \u306b\u8ffd\u52a0\u306e \u60c5\u5831\u304c\u3042\u308b\u306e\u3067\u3054\u53c2\u7167\u304f\u3060\u3055\u3044\u3002<\/p>\n<h2 id=\"elastic-load-balancing-elb\">Elastic Load Balancing (ELB)<\/h2>\n<p>TCP \u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30ed\u30fc\u30c9\u30d0\u30e9\u30f3\u30b5 (NLBs) \u306f TLS \u30bb\u30c3\u30b7\u30e7\u30f3\u3092\u7d42\u7aef\u3057\u306a\u3044\u5834\u5408\u3001\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u30d5\u30a3\u30eb\u30bf\u30fc\u3057\u307e\u305b\u3093\u3002 TLS\u3092\u7d42\u7aef\u3059\u308b\u3088\u3046\u306b\u8a2d\u5b9a\u3055\u308c\u305f NLB \u306f\u3053\u306e\u554f\u984c\u3078\u306e\u8ffd\u52a0\u306e\u7de9\u548c\u7b56\u306f\u5fc5\u8981\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n<p>TLS \u30bb\u30c3\u30b7\u30e7\u30f3\u3092\u7d42\u7aef\u3057\u306a\u3044 NLB \u3092\u4f7f\u7528\u3057\u3066\u3044\u308b Linux\u30d9\u30fc\u30b9\u306e EC2 \u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u306f\u3053\u306e\u554f\u984c\u306b\u95a2\u9023\u3059\u308b\u6f5c\u5728\u7684\u306a DoS \u653b\u6483\u3092\u7de9\u548c\u3059\u308b\u305f\u3081\u306b\u3001\u30aa\u30da\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0\u30b7\u30b9\u30c6\u30e0\u306e\u30d1\u30c3\u30c1\u9069\u7528\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n<p>Amazon Linux \u7528\u306e\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u30ab\u30fc\u30cd\u30eb\u304c\u5229\u7528\u53ef\u80fd\u3067\u3059\u3002\u73fe\u5728 Amazon Linux \u3092\u5b9f\u884c\u4e2d\u306e EC2 \u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u3059\u308b \u624b\u9806\u306f \u4e0a\u8a18\u306e\u901a\u308a\u3067\u3059\u3002<\/p>\n<p>Amazon Linux \u3092\u5229\u7528\u3057\u3066\u3044\u306a\u3044\u65b9\u306f\u3001\u3044\u308d\u3044\u308d\u306a DoS \u653b\u6483\u554f\u984c\u3092\u7de9\u548c\u3059\u308b\u305f\u3081\u306b\u5fc5\u8981\u306a\u624b\u9806\u3084\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u306b\u3064\u3044\u3066\u30aa\u30da\u30ec\u30fc\u30c6 \u30a3\u30f3\u30b0\u30b7\u30b9\u30c6\u30e0\u30d9\u30f3\u30c0\u30fc\u306b\u304a\u554f\u3044\u5408\u308f\u305b\u304f\u3060\u3055\u3044\u3002<\/p>\n<p>Elastic \u30ed\u30fc\u30c9\u30d0\u30e9\u30f3\u30b7\u30f3\u30b0 (ELB) \u30af\u30e9\u30b7\u30c3\u30af\u30ed\u30fc\u30c9\u30d0\u30e9\u30f3\u30b5\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30ed\u30fc\u30c9\u30d0\u30e9\u30f3\u30b5\u3001TLS\u3092\u7d42\u7aef\u3059\u308b\u30cd\u30c3\u30c8\u30ef\u30fc\u30af \u30ed\u30fc\u30c9\u30d0\u30e9\u30f3\u30b5(TLS NLB) \u306f\u4f55\u3082\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u305b\u3093\u3002ELB \u30af\u30e9\u30b7\u30c3\u30af\u3068 ALB \u306f\u3053\u306e\u554f\u984c\u306b\u95a2\u3059\u308b\u6f5c\u5728\u7684\u306a DoS \u653b\u6483\u3092\u7de9\u548c\u3059\u308b\u305f\u3081\u306b\u3001\u7740\u4fe1\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u3092\u30d5\u30a3\u30eb\u30bf\u30fc\u3057\u307e\u3059\u3002<\/p>\n<h2 id=\"amazon-workspaces-linux\">Amazon WorkSpaces (Linux)<\/h2>\n<p>\u5168\u3066\u306e\u65b0\u3057\u3044 Amazon Linux WorkSpaces \u306f\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u3055\u308c\u305f\u30ab\u30fc\u30cd\u30eb\u3067\u8d77\u52d5\u3057\u307e\u3059\u3002\u65e2\u5b58\u306eAmazon Linux WorkSpaces \u306b\u306f\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u3055\u308c\u305f Amazon Linux 2 \u7528\u306e \u30ab\u30fc\u30cd\u30eb\u304c\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u6e08\u307f\u3067\u3059\u3002<\/p>\n<p>Linux \u30ab\u30fc\u30cd\u30eb\u306e\u6a19\u6e96\u306b\u5f93\u3063\u3066\u3001\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u3092\u6709\u52b9\u306b\u3059\u308b\u305f\u3081\u306b\u306f\u518d\u8d77\u52d5\u304c\u5fc5\u8981\u3067\u3059\u3002\u53ef\u80fd\u306a\u9650\u308a\u901f\u3084\u304b\u306a\u624b\u52d5\u3067\u306e\u518d\u8d77\u52d5\u3092\u304a \u52e7\u3081\u3057\u307e\u3059\u3002\u305d\u3046\u3067\u306a\u3044\u5834\u5408\u306f\u3001Amazon Linux WorkSpaces 6\u670818\u65e5\u306e12:00AM \u304b\u3089 4:00AM \u306e\u9593\u306b\u81ea\u52d5\u7684\u306b\u30ea\u30d6\u30fc\u30c8\u3057\u307e\u3059\u3002<\/p>\n<h2 id=\"amazon-elastic-container-service-for-kubernetes-amazon-eks\">Amazon Elastic Container Service for Kubernetes (Amazon EKS)<\/h2>\n<p>\u5168\u3066\u306e\u73fe\u5728\u5b9f\u884c\u4e2d\u306e Amazon EKS \u30af\u30e9\u30b9\u30bf\u306f\u3053\u306e\u554f\u984c\u306b\u5bfe\u3057\u3066\u4fdd\u8b77\u3055\u308c\u3066\u3044\u307e\u3059\u3002Amazon EKS \u3067\u306f 2019\u5e746\u670817\u65e5\u306b Amazon Linux 2 \u306b\u30d1\u30c3\u30c1\u3092\u9069\u7528\u3057\u3001Amazon EKS \u6700\u9069\u5316 Amazon Machine Images (AMIs) \u306e\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u304c\u516c\u958b\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>EKS \u6700\u9069\u5316 AMI \u306b\u95a2\u3059\u308b\u8a73\u7d30\u306f\u4ee5\u4e0b\u3092\u3054\u53c2\u7167\u304f\u3060\u3055\u3044\u3002<\/p>\n<p><a href=\"https:\/\/docs.aws.amazon.com\/eks\/latest\/userguide\/eks-optimized-ami.html\">Amazon EKS-Optimized AMI<\/a><\/p>\n<p>\u5168\u3066\u306e\u30ef\u30fc\u30ab\u30ce\u30fc\u30c9 \u3092 \u6700\u65b0\u30d0\u30fc\u30b8\u30e7\u30f3\u306e EKS \u6700\u9069\u5316 AMI \u306b\u7f6e\u304d\u63db\u3048\u308b\u3053\u3068\u3092\u63a8\u5968\u3057\u307e\u3059\u3002\u30ef\u30fc\u30ab\u30ce\u30fc\u30c9\u3092\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u3059\u308b\u624b \u9806\u306f\u4ee5\u4e0b\u3092\u53c2\u7167\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p><a href=\"https:\/\/docs.aws.amazon.com\/eks\/latest\/userguide\/update-workers.html\">Worker Node Updates<\/a><\/p>\n<h2 id=\"amazon-elasticache\">Amazon ElastiCache<\/h2>\n<p>Amazon ElastiCache \u306f\u3001VPC \u5185\u306b Amazon Linux \u3092\u5b9f\u884c\u3059\u308b Amazon EC2 \u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u306e\u30af\u30e9\u30b9\u30bf\u3092\u8d77\u52d5\u3057\u307e\u3059\u3002\u3053\u308c\u3089\u306f\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u306f\u4fe1\u983c\u3067\u304d\u306a\u3044 TCP \u63a5\u7d9a\u3092\u53d7\u3051\u4ed8\u3051\u306a\u3044\u305f\u3081\u3001\u3053\u306e\u554f\u984c\u306e\u5f71\u97ff\u3092\u3046\u3051\u307e\u305b\u3093\u3002<\/p>\n<p>\u30c7\u30d5\u30a9\u30eb\u30c8\u304b\u3089 ElastiCache \u306e\u8a2d\u5b9a\u3092\u5909\u66f4\u3055\u308c\u3066\u3044\u308b\u65b9\u306f\u3001AWS \u63a8\u5968\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\u306b\u5f93\u3063\u3066 ElastiCache \u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30b0\u30eb\u30fc\u30d7\u8a2d\u5b9a\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u3053\u308c\u3089\u306e\u8a2d\u5b9a\u3092\u3059\u308b\u3053\u3068\u3067\u69d8\u3005\u306a\u6f5c\u5728\u7684\u306a DoS \u653b\u6483\u306e\u554f\u984c\u3092\u7de9\u548c\u3059\u308b\u305f\u3081\u306b\u3001\u4fe1 \u983c\u3067\u304d\u306a\u3044\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u304b\u3089\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u30d6\u30ed\u30c3\u30af\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>ElastiCache VPC \u8a2d\u5b9a\u306b\u95a2\u3059\u308b\u8a73\u7d30\u306f\u4ee5\u4e0b\u3092\u3054\u53c2\u7167\u304f\u3060\u3055\u3044\u3002<\/p>\n<p><a href=\"https:\/\/docs.aws.amazon.com\/AmazonElastiCache\/latest\/red-ug\/VPCs.html\">Amazon VPCs and ElastiCache Security<\/a><\/p>\n<p>VPC \u306e\u5916\u90e8\u3067 ElastiCache \u30af\u30e9\u30b9\u30bf\u3092\u5b9f\u884c\u4e2d\u3067\u30c7\u30d5\u30a9\u30eb\u30c8\u8a2d\u5b9a\u3092\u5909\u66f4\u3055\u308c\u305f\u65b9\u306f\u3001ElastiCache \u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30b0\u30eb\u30fc\u30d7\u3092\u4f7f\u7528\u3057\u3066\u4fe1\u983c\u3067\u304d\u308b\u30a2\u30af\u30bb\u30b9\u5143\u3092\u8a2d\u5b9a\u3057\u3066\u304f\u3060\u3055\u3044\u3002ElastiCache \u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30b0\u30eb\u30fc\u30d7\u306e\u8a73\u7d30\u306f\u4ee5\u4e0b\u3092\u53c2\u7167\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p><a href=\"https:\/\/docs.aws.amazon.com\/AmazonElastiCache\/latest\/red-ug\/SecurityGroups.html\">Security Groups: EC2-Classic<\/a><\/p>\n<p>ElastiCache \u30c1\u30fc\u30e0\u306f\u9593\u3082\u306a\u304f\u3053\u306e\u554f\u984c\u306b\u95a2\u3059\u308b\u65b0\u3057\u3044\u30d1\u30c3\u30c1\u3092\u30ea\u30ea\u30fc\u30b9\u3057\u307e\u3059\u3002\u30d1\u30c3\u30c1\u304c\u5229\u7528\u53ef\u80fd\u306b\u306a\u3063\u305f\u3068\u304d\u306f\u3001\u9069\u7528\u53ef\u80fd\u306b \u306a\u3063\u305f\u3053\u3068\u3092\u901a\u77e5\u3057\u307e\u3059\u3002ElastiCache \u30bb\u30eb\u30d5\u30b5\u30fc\u30d3\u30b9\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u6a5f\u80fd\u3092\u5229\u7528\u3057\u3066\u30af\u30e9\u30b9\u30bf\u3092\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u3059\u308b\u3053\u3068\u3092\u9078\u629e\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002ElastiCache \u30bb\u30eb\u30d5\u30b5\u30fc\u30d3\u30b9\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u6a5f\u80fd\u306e\u8a73\u7d30\u306f\u4ee5\u4e0b\u3092\u3054\u89a7\u304f\u3060\u3055\u3044\u3002<\/p>\n<p><a href=\"https:\/\/docs.aws.amazon.com\/AmazonElastiCache\/latest\/red-ug\/applying-updates.html\">Applying the Self-Service Updates<\/a><\/p>\n<h2 id=\"amazon-emr\">Amazon EMR<\/h2>\n<p>Amazon EMR \u306f VPC \u5185\u306b Amazon Linux \u3092\u5b9f\u884c\u3059\u308b Amazon EC2 \u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u306b\u3088\u308b\u30af\u30e9\u30b9\u30bf\u3092\u8d77\u52d5\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u3053\u308c\u3089 \u306e\u30af\u30e9\u30b9\u30bf\u306f\u4fe1\u983c\u3067\u304d\u306a\u3044 TCP \u63a5\u7d9a\u3092\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u306f\u53d7\u3051\u4ed8\u3051\u307e\u305b\u3093\u3002\u305d\u306e\u305f\u3081\u3053\u306e\u554f\u984c\u306e\u5f71\u97ff\u3092\u3046\u3051\u307e\u305b\u3093\u3002<\/p>\n<p>\u30c7\u30d5\u30a9\u30eb\u30c8\u306e EMR VPC \u8a2d\u5b9a\u3092\u5909\u66f4\u3055\u308c\u3066\u3044\u308b\u304b\u305f\u306f\u3001AWS \u63a8\u5968\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\u306b\u5f93\u3063\u3066\u3001EMR \u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30b0\u30eb\u30fc\u30d7\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u3053\u308c\u3089\u306e\u8a2d\u5b9a\u3092\u3059\u308b\u3053\u3068\u3067\u69d8\u3005\u306a\u6f5c\u5728\u7684\u306a DoS \u653b\u6483\u306e\u554f\u984c\u3092\u7de9\u548c\u3059\u308b\u305f\u3081\u306b\u3001\u4fe1\u983c\u3067\u304d\u306a\u3044\u30af\u30e9\u30a4\u30a2\u30f3 \u30c8\u304b\u3089\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u30d6\u30ed\u30c3\u30af\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>EMR \u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30b0\u30eb\u30fc\u30d7\u8a2d\u5b9a\u306e\u8a73\u7d30\u306f\u4ee5\u4e0b\u3092\u3054\u53c2\u7167\u304f\u3060\u3055\u3044\u3002<\/p>\n<p><a href=\"https:\/\/docs.aws.amazon.com\/emr\/latest\/ManagementGuide\/emr-security-groups.html\">Control Network Traffic with Security Groups<\/a><\/p>\n<p>AWS \u304c\u63a8\u5968\u3059\u308b\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\u306b\u5f93\u3063\u3066 EMR \u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30b0\u30eb\u30fc\u30d7\u3092\u8a2d\u5b9a\u3057\u306a\u3044\u3053\u3068\u3092\u9078\u629e\u3055\u308c\u305f\u65b9\u3001\u3082\u3057\u304f\u306f\u4f55\u3089\u304b\u306e\u8ffd\u52a0\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30dd\u30ea\u30b7\u30fc\u306b\u5b9a\u671f\u53f7\u3059\u308b\u305f\u3081\u306b\u30aa\u30da\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0\u30b7\u30b9\u30c6\u30e0\u30d1\u30c3\u30c1\u304c\u5fc5\u8981\u306a\u65b9\u306f\u3001\u3053\u306e\u554f\u984c\u3092\u7de9\u548c\u3059\u308b\u305f\u3081\u306b\u65e2\u5b58\u3082\u3057\u304f\u306f\u65b0\u898f\u306e EMR \u30af\u30e9\u30b9\u30bf\u3092\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u6ce8\u610f: \u3053\u308c\u3089\u306e\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u306f\u30af\u30e9\u30b9\u30bf\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u306e\u30ea\u30d6\u30fc\u30c8\u304c\u5fc5\u8981\u3067\u3059\u3002\u5b9f\u884c\u4e2d\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u5f71\u97ff\u304c\u3042\u308b\u304b\u3082\u3057\u308c\u307e \u305b\u3093\u3002\u305d\u306e\u305f\u3081\u3001\u518d\u8d77\u52d5\u3059\u308b\u30bf\u30a4\u30df\u30f3\u30b0\u306b\u306f\u6ce8\u610f\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n<p>\u65b0\u3057\u3044\u30af\u30e9\u30b9\u30bf\u306b\u95a2\u3057\u3066\u306f\u3001 EMR \u30d6\u30fc\u30c8\u30b9\u30c8\u30e9\u30c3\u30d7\u30a2\u30af\u30b7\u30e7\u30f3\u3092 Linux \u30ab\u30fc\u30cd\u30eb\u306e\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u3068\u305d\u308c\u305e\u308c\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u306e\u30ea \u30d6\u30fc\u30c8\u306b\u5229\u7528\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u30d6\u30fc\u30c8\u30b9\u30c8\u30e9\u30c3\u30d7\u30a2\u30af\u30b7\u30e7\u30f3\u306b\u95a2\u3057\u3066\u306f\u4ee5\u4e0b\u306e\u6587\u66f8\u3092\u53c2\u7167\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p><a href=\"https:\/\/docs.aws.amazon.com\/emr\/latest\/ManagementGuide\/emr-plan-bootstrap.html\">Create Bootstrap Actions to Install Additional Software<\/a><\/p>\n<p>\u65e2\u5b58\u306e\u30af\u30e9\u30b9\u30bf\u306b\u95a2\u3057\u3066\u306f\u3001\u30af\u30e9\u30b9\u30bf\u5185\u306e\u500b\u5225\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u6bce\u306b\u5bfe\u3057\u3066\u9806\u756a\u306b\u30ab\u30fc\u30cd\u30eb\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u306e\u9069\u7528\u3068\u518d\u8d77\u52d5\u3092\u884c\u3046\u3053\u3068 \u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u4ee5\u4e0a<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Linux 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re&#8230;<\/p>\n","protected":false},"author":1,"featured_media":16611,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_locale":"ja","_original_post":"16609","footnotes":""},"categories":[20,29,18,19,7,72],"tags":[665,663,668,395,551,380,664,667,489,666],"class_list":{"0":"post-16609","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-aws","8":"category-linux","9":"category-os","10":"category-19","11":"category-security","12":"category-vulnerable","13":"tag-amazon-elastic-compute-cloud-ec2","14":"tag-amazon-elastic-container-service-ecs","15":"tag-amazon-elastic-container-service-for-kubernetes-amazon-eks","16":"tag-amazon-elasticache","17":"tag-amazon-emr","18":"tag-amazon-gamelift","19":"tag-amazon-linux-and-amazon-linux-2","20":"tag-amazon-workspaces-linux","21":"tag-aws-elastic-beanstalk","22":"tag-elastic-load-balancing-elb","23":"ja"},"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.skyarch.net\/blog\/wp-json\/wp\/v2\/posts\/16609","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.skyarch.net\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.skyarch.net\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.skyarch.net\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.skyarch.net\/blog\/wp-json\/wp\/v2\/comments?post=16609"}],"version-history":[{"count":2,"href":"https:\/\/www.skyarch.net\/blog\/wp-json\/wp\/v2\/posts\/16609\/revisions"}],"predecessor-version":[{"id":16681,"href":"https:\/\/www.skyarch.net\/blog\/wp-json\/wp\/v2\/posts\/16609\/revisions\/16681"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.skyarch.net\/blog\/wp-json\/wp\/v2\/media\/16611"}],"wp:attachment":[{"href":"https:\/\/www.skyarch.net\/blog\/wp-json\/wp\/v2\/media?parent=16609"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.skyarch.net\/blog\/wp-json\/wp\/v2\/categories?post=16609"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.skyarch.net\/blog\/wp-json\/wp\/v2\/tags?post=16609"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}