{"id":3267,"date":"2025-12-25T21:51:31","date_gmt":"2025-12-25T12:51:31","guid":{"rendered":"https:\/\/matomemopad.com\/?p=3267"},"modified":"2026-01-25T19:52:10","modified_gmt":"2026-01-25T10:52:10","slug":"aws%e7%84%a1%e6%96%99%e5%88%a9%e7%94%a8%e6%9e%a0%e3%81%a7wordpress%e3%81%af%e9%81%8b%e7%94%a8%e3%81%a7%e3%81%8d%e3%82%8b%e3%81%8b-2","status":"publish","type":"post","link":"https:\/\/matomemopad.com\/?p=3267","title":{"rendered":"AWS\u7121\u6599\u5229\u7528\u67a0\u3067WordPress\u306f\u904b\u7528\u3067\u304d\u308b\u304b"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">\u7d50\u8ad6<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30b5\u30fc\u30d3\u30b9\u3068\u3057\u3066\u904b\u7528\u3067\u304d\u308b\u3082\u306e\u3067\u306f\u306a\u3044\u3002<br>\u3000&#x27a1;\u8aad\u307f\u8fbc\u307f\u304c\u9577\u3044\uff0bWordPress\u4e0a\u306e\u753b\u50cf\u30d5\u30a1\u30a4\u30eb\u7834\u640d\u3002<\/li>\n\n\n\n<li>\u30d1\u30b1\u30c3\u30c8\u901a\u4fe1\u306e\u3084\u308a\u3068\u308a\u3067\u554f\u984c\u304c\u767a\u751f\u3057\u3066\u304a\u308a\u3001\u5148\u306e\u554f\u984c\u306f\u500b\u4eba\u52aa\u529b\u3067\u306f\u89e3\u6c7a\u304c\u96e3\u3057\u3044\u3002<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u203b\u305f\u3060\u3057\u3001WordPress\u5c02\u7528\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u306a\u3069\u306b\u5909\u66f4\u3059\u308c\u3070\u53ef\u80fd\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u4f5c\u696d\u74b0\u5883<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u30d1\u30d6\u30ea\u30c3\u30af\u30b5\u30d6\u30cd\u30c3\u30c8\u306b\u4f5c\u6210\u3057\u305f\u4e0b\u8a18\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u306b\u5bfe\u3057\u3001Teraterm\u3067SSH\u63a5\u7d9a\u3057\u3066\u304a\u3053\u306a\u3046\u3002<br>\u203b\u8e0f\u307f\u53f0\u306f\u631f\u3093\u3067\u3044\u306a\u3044\u30b7\u30f3\u30d7\u30eb\u306a\u69cb\u6210<br>\u203b\u30de\u30eb\u30c1AZ\u904b\u7528\u3082\u8996\u91ce\u306b\u5165\u308c\u3066VPC\u3092\u4f5c\u6210\u3057\u305f\u304c\u3001\u305d\u308c\u4ee5\u524d\u306e\u554f\u984c\u3060\u3063\u305f\u30fb\u30fb\u30fb<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Amazon Linux 2 Kernel 5.10 AMI 2.0.20230418.0 x86_64 HVM gp2<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30b0\u30eb\u30fc\u30d7<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u30a4\u30f3\u30d0\u30a6\u30f3\u30c9<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>SSH (Port22<\/li>\n\n\n\n<li>HTTP (Port80)<\/li>\n\n\n\n<li>HTTPS (Port443)<\/li>\n\n\n\n<li>\u3059\u3079\u3066\u306e ICMP &#8211; IPv4 (Ping\u758e\u901a\u7528)<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u30a2\u30a6\u30c8\u30d0\u30a6\u30f3\u30c9<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3059\u3079\u3066\u306e\u30c8\u30e9\u30d5\u30a3\u30c3\u30af<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u30cd\u30c3\u30c8\u30ef\u30fc\u30afACL<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u30a4\u30f3\u30d0\u30a6\u30f3\u30c9\/\u30a2\u30a6\u30c8\u30d0\u30a6\u30f3\u30c9<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Allow \u30eb\u30fc\u30eb\u756a\u53f7:100 SSH (Port22<\/li>\n\n\n\n<li>Allow \u30eb\u30fc\u30eb\u756a\u53f7:200 HTTP (Port80)<\/li>\n\n\n\n<li>Allow \u30eb\u30fc\u30eb\u756a\u53f7:300 HTTPS (Port443)<\/li>\n\n\n\n<li>Allow \u30eb\u30fc\u30eb\u756a\u53f7:400 \u3059\u3079\u3066\u306e ICMP &#8211; IPv4 (Ping\u758e\u901a\u7528)<\/li>\n\n\n\n<li>Deny \u3059\u3079\u3066\u306e\u30c8\u30e9\u30d5\u30a3\u30c3\u30af<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u8a2d\u5b9a\u3059\u308b\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Apache\uff1aApache\/2.4.56<\/li>\n\n\n\n<li>PHP\uff1a7.4.33\uff1aVer 8.0.33 for Linux on x86_64<\/li>\n\n\n\n<li>MySQL\uff1aVer 8.0.33 for Linux on x86_64<\/li>\n\n\n\n<li>WordPress<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u554f\u984c\u306b\u3076\u3064\u304b\u308b\u307e\u3067<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">(&#8216;\u0414&#8217;)\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u306f\u7701\u7565\u3057\u307e\u3059\u3002(\u4ed6\u30b5\u30a4\u30c8\u3067\u591a\u304f\u8a18\u8f09\u306e\u3042\u308b\u65b9\u6cd5\u306e\u305f\u3081)<br>\u3000\u3000\u3000\u203bMySQL\u306f yum local install\u3067\u554f\u984c\u306a\u304f\u3067\u304d\u307e\u3057\u305f\u266a<br>\u3000\u3000\u3000\u203bMariaDB\u3082\u524a\u9664\u306f\u3057\u3066\u3044\u307e\u3059<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3000\u3000\u3000\u3000\u3000\u3000<strong>\u307e\u305a\u306f\u5fc5\u8981\u306a\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u306f\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u5b8c\u4e86\uff01<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">WordPress\u307e\u3067\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u3066IP\u304b\u3089\u30b5\u30a4\u30c8\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u3068\u30da\u30fc\u30b8\u306f\u8868\u793a\u3055\u308c\u308b\u3002<br>\u4e00\u65e6\u306f\u554f\u984c\u306a\u304f\u8868\u793a\u3055\u308c\u3066\u3044\u308b\u304c\u3001\u518d\u8d77\u52d5\u3057\u3066\u3082\u5927\u4e08\u592b\u3060\u308d\u3046\u304b\u30fb\u30fb\u30fb(\u505c\u6b62\u2192\u8d77\u52d5)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><img decoding=\"async\" src=\"https:\/\/storage.googleapis.com\/zenn-user-upload\/854f2365e4ad-20230426.png\" alt=\"\"><br>(&#8216;_&#8217;) 30\u79d2\u5f8c<br>\u7121\u4e8b\u306b\u8868\u793a\u3055\u308c\u3066\u306f\u3001\u3001\u3001\u3044\u306a\u304b\u3063\u305f\u3002\u53f3\u4e0a\u306e\u4e0d\u5be9\u306a\u30a2\u30a4\u30b3\u30f3\u304c\u3042\u308b\u304c\u3001\u53cd\u5fdc\u3057\u306a\u3044\u3002<br>\u203b\u30c6\u30fc\u30de\u3092\u5909\u3048\u305f\u5834\u5408\u306f\u8868\u793a\u3055\u308c\u308b\u30cf\u30c1\u30c9\u30ea\u306e\u753b\u50cf\u306a\u3069\u306f\u30d5\u30a1\u30a4\u30eb\u7834\u640d\u306e\u30a2\u30a4\u30b3\u30f3\u304c\u8868\u793a\u3055\u308c\u305f<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u30c8\u30e9\u30d6\u30eb\u5bfe\u5fdc\u958b\u59cb\uff01<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u4ee5\u4e0b\u3001\u4e8b\u8c61\u5207\u308a\u5206\u3051\u3092\u542b\u3081\u3066\u78ba\u8a8d\u3057\u305f\u3053\u3068\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u2460\u3069\u306e\u6bb5\u968e\u304b\u3089\u767a\u751f\u3057\u3066\u3044\u308b\u306e\u304b\u533a\u5206\u3051\u3059\u308b<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u30101\u3011\u5225\u3067\u65b0\u898f\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u69cb\u7bc9\u3057\u3001\u540c\u69d8\u306b\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3002<br>\u3000\uff08\u8907\u96d1\u306a\u8a2d\u5b9a\u3092\u3057\u3066\u3044\u306a\u3051\u308c\u3070\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u9762\u306f\u540c\u3058\u3082\u306e\u3092\u30a2\u30bf\u30c3\u30c1\uff09<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u30102\u3011 MySQL\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u5b8c\u4e86\u307e\u3067\u3001\u5404\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u5b8c\u4e86\u306e\u305f\u3073\u30b5\u30a4\u30c8\u306b\u30a2\u30af\u30bb\u30b9\uff01\uff08Apache\u306e\u753b\u9762\u304c\u8868\u793a\u3055\u308c\u308b\uff09<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u30103\u3011 WordPress\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u5b8c\u4e86&#x27a1;\u554f\u984c\u306a\u3057<br>\u3000 \u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u306e\u505c\u6b62\u2192\u8d77\u52d5\u3000\u3000 &#x27a1;\u4e8b\u8c61\u767a\u751f<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>&#x27a1;WordPress\u51e6\u7406\u3067\u554f\u984c\u304c\u3042\u308b\u3053\u3068\u3092\u78ba\u8a8d<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u2461\u30c7\u30d5\u30a9\u30eb\u30c8\u74b0\u5883\u3067\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u9762\u3092\u4e2d\u5fc3\u306b\u305f\u3081\u3057\u3066\u307f\u308b<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u30c7\u30d5\u30a9\u30eb\u30c8\u74b0\u5883\u306f\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u9762\u304c\u30a4\u30f3\u30fb\u30a2\u30a6\u30c8\u30d0\u30a6\u30f3\u30c9\u5171\u306b\u30aa\u30fc\u30d7\u30f3\u306a\u305f\u3081\u901a\u4fe1\u30d7\u30ed\u30c8\u30b3\u30eb\u3067\u5f3e\u304b\u308c\u3066\u3057\u307e\u3046\u3053\u3068\u306f\u306a\u3044\u306f\u305a\u2026<br>\u30c7\u30d5\u30a9\u30eb\u30c8\u74b0\u5883\u3067\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u65b0\u898f\u3067\u4f5c\u6210\u3057\u305f\u5f8c\u3001\u540c\u69d8\u306e\u4f5c\u696d\u3092\u5b9f\u65bd\u2026<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">&#x27a1;\u7d50\u679c\u5909\u308f\u3089\u305a\u30fb\u30fb\u30fb<em>(:3\u300d\u2220)<\/em>\uff72\uff82\uff93\uff7a\uff73\uff80\uff9e\uff96\uff65\uff65\uff65<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>&#x27a1;\u74b0\u5883\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3001\u307e\u305f\u306f\u5225\u30ea\u30bd\u30fc\u30b9\u306b\u3088\u308b\u4e8b\u8c61\u3067\u3082\u306a\u3044\u3002<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u2462MySQL\u304c\u602a\u3057\u3044<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e8b\u8c61\u304c\u767a\u751f\u3057\u3066\u304b\u3089\u691c\u7d22\u3092\u7d9a\u3051\u3066\u3044\u305f\u54c0\u308c\u3001\u30ab\u30af\u30e4\u3002<br>\u305f\u3060\u8abf\u3079\u3066\u3082\u300cWordPress\u306e\u30d7\u30e9\u30b0\u30a4\u30f3\u3067\u7206\u901f\uff01\u300d\u2026\u307e\u305a\u30b3\u30f3\u30bd\u30fc\u30eb\u306b\u5165\u308c\u306a\u3044\u3002\u3002\u3002<br>\u305d\u3057\u3066\u4f55\u6545\u304bWordPress\u306e\u30aa\u30d5\u30a3\u30b7\u30e3\u30eb\u30b5\u30a4\u30c8\u304b\u3089\u3082\u3001\u57a2\u304c\u306a\u3044\u3068\u8a00\u308f\u308c\u308b\u59cb\u672b\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u305f\u3060\u3001\u3088\u304f\u8003\u3048\u305f\u3089MySQL\u4e0a\u306e\u51e6\u7406\u306e\u554f\u984c\u3067\u3042\u308b\u3002<br>Apache\u3082PHP\u3082\u6700\u65b0\u7248\u3060\u304b\u3089\u3001MySQL\u4ee5\u5916\u306b\u3042\u308a\u3048\u306a\u3044\u3093\u3060\u3088\u3063\uff01( \uff9f\u0414\uff9f)\u8feb\u771f<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u25c6\u30ea\u30bd\u30fc\u30b9\u5024\u3092\u78ba\u8a8d<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3000\u2026\u3068\u3044\u3046\u308f\u3051\u3067\u307e\u305a\u306f\u30e1\u30e2\u30ea\u306e\u4f7f\u7528\u7387\u3092\u78ba\u8a8d\u3057\u3066\u3044\u304f\u3002<br>\u3007grep Mem \/proc\/meminfo<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">MemTotal: 975596 kB \u642d\u8f09\u3057\u3066\u3044\u308b\u30e1\u30e2\u30ea\u306e\u7dcf\u91cf<br>MemFree: 179400 kB \u7a7a\u304d\u30e1\u30e2\u30ea\u91cf<br>MemAvailable: 322064 kB \u30ad\u30e3\u30c3\u30b7\u30e5\u306a\u3069\u3092\u89e3\u653e\u3059\u308b\u3053\u3068\u3067\u5229\u7528\u53ef\u80fd\u306a\u30e1\u30e2\u30ea\u91cf<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3007grep Swap \/proc\/meminfo<br>\u3000<br>SwapCached: 0 kB<br>SwapTotal: 0 kB<br>SwapFree: 0 kB<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3007CloudWatch\u3067CPU\u4f7f\u7528\u7387\u3092\u78ba\u8a8d &#x27a1; \u4f7f\u7528\u7387 1.7% \u3068\u3072\u3063\u8feb\u306f\u3057\u3066\u304a\u3089\u305a\u3001\u4f59\u88d5\u306f\u3042\u308b\u69d8\u5b50\u3002<br>\u3000\u203b2.0\u304c\u4e0a\u9650\u5024\u3067\u3042\u308c\u3070\u8ca0\u8377\u304c\u9ad8\u3044\u3068\u3044\u3046\u3053\u3068\u306b\u306a\u308b\u304c\u2026<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3007top\u30b3\u30de\u30f3\u30c9\u3067\u30ea\u30bd\u30fc\u30b9\u306e\u5909\u52d5\u3092\u78ba\u8a8d\u3057\u3066\u307f\u308b\u304c\u3001\u904e\u8ca0\u8377\u306f\u78ba\u8a8d\u3067\u304d\u306a\u3044\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u25c6\u30af\u30a8\u30ea\u30ad\u30e3\u30c3\u30b7\u30e5\u6a5f\u80fd<\/strong><br>MySQL\u306e\u30b3\u30f3\u30d5\u30a3\u30b0\u306a\u3069\u30d7\u30e9\u30a4\u30d9\u30fc\u30c8\u3067\u89e6\u308b\u3053\u3068\u304c\u306a\u3051\u308c\u3070\u3001\u696d\u52d9\u4e0a\u306a\u3093\u3066\u3082\u3063\u3066\u306e\u5916\uff01<br>\/ etc \/ httpd \/ conf \/ \u306b\u3066\u3001httpd \u30c9\u30c3\u30c8\u30b3\u30f3\u30d5\u30d5\u30a1\u30a4\u30eb\u3092\u53c2\u7167\u3059\u308b\u304c\u2026\u2026\u30af\u30a8\u30ea\u30ad\u30e3\u30c3\u30b7\u30e5\u306e\u8a18\u8f09\u304c\u306a\u3044( \uff9f\u0414\uff9f)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8abf\u3079\u3066\u3044\u304f\u3068\u521d\u671f\u8a2d\u5b9a\u3067\u306f\u8a18\u8f09\u3055\u308c\u3066\u3044\u306a\u3044\u305f\u3081\u3001\u7d20\u4eba\u4e38\u51fa\u3057\u3067\u4e0b\u8a18\u3092\u8cbc\u308a\u4ed8\u3051\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>#wait_timeout = 120\nlong_query_time = 1\nquery_cache_limit=8M\nquery_cache_type=1\nquery_cache_size=64M\ninnodb_buffer_pool_size=16M\n#innodb_log_file_size=128M\n#tmp_table_size=64M\n#max_connections = 2500\n#max_user_connections = 2500\n#innodb_flush_method=O_DIRECT\n#key_buffer_size=64M<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u308c\u3067\u826f\u3057\u3002\u8a2d\u5b9a\u3092\u53cd\u6620\u3055\u305b\u308b\u305f\u3081\u306bMySQL\u3092\u518d\u8d77\u52d5\u3059\u308b\u3068\u2026<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\uff1c\u7701\u7565\uff1e\n2023-04-24T05:14:13.904756Z 0 &#91;ERROR] &#91;MY-000067] &#91;Server] unknown variable 'query_cache_limit=8M'.\n2023-04-24T05:14:13.904816Z 0 &#91;ERROR] &#91;MY-010119] &#91;Server] Aborting\n2023-04-24T05:14:15.430367Z 0 &#91;System] &#91;MY-010910] &#91;Server] \/usr\/sbin\/mysqld: Shutdown complete (mysqld 8.0.33)  MySQL Community Server - GPL.<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u8981\u7d04\u3059\u308b\u3068\u3001\u300cquery_cache_limit=8M\u300d\u306a\u3093\u304b\u77e5\u308a\u307e\u305b\u3093\u3088\u3001\u3068\u306e\u3053\u3068\u3067\u3059\u3002<br>\u6ce3\u304f\u6ce3\u304f\u300cquery_cache_limit=8M\u300d\u3092\u30b3\u30e1\u30f3\u30c8\u30a2\u30a6\u30c8\u3059\u308b\u3068\u4ed6\u306e\u9805\u76ee\u304c\u6b21\u306e\u6a19\u7684\u306b\u306a\u308a\u307e\u3057\u305f\u3002<br>MySQL8\u3067\u306f\u30af\u30a8\u30ea\u30ad\u30e3\u30c3\u30b7\u30e5\u6a5f\u80fd\u306e\u30b5\u30dd\u30fc\u30c8\u304c\u7d42\u4e86\u3057\u3066\u3044\u308b\u3088\u3046\u3067\u3001\u3053\u308c\u307e\u305f\u8d64\u3063\u6065(*\uff89\u03c9\uff89)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u25c6MySQL\u306e\u65e7\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u3066\u307f\u308b<\/strong><br>\u306a\u3089\u3070\u30bf\u30a4\u30e0\u30c8\u30e9\u30d9\u30eb\u306e\u3088\u3046\u306b\u3001\u30af\u30a8\u30ea\u30ad\u30e3\u30c3\u30b7\u30e5\u6a5f\u80fd\u304c\u3042\u3063\u305f\u6642\u306b\u623b\u308c\u3070\u3088\u3044\u3002<br>MYSQL\u306e\u516c\u5f0f(https:\/\/dev.mysql.com\/downloads\/repo\/yum\/)\u304b\u3089\u65e7\u7248\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3059\u308b\u3068\u3001\u300cERROR 403: Forbidden.\u300d\u307e\u305f\u306f \u300cError: Nothing to do\u300d\u3068\u30ec\u30b9\u30dd\u30f3\u30b9\u3042\u308a\u3002<br>\u72b6\u6cc1\u3068\u3057\u3066\u3001\u65e7\u7248\u306eMySQL\u304c\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3067\u304d\u306a\u3044\u3002\uff08\u500b\u3005\u306b\u95a2\u3057\u3066\u306f\u5225\u500b\u8abf\u67fb\u304c\u5fc5\u8981\uff1f\uff09<br>\uff08\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8\u3067\u3082\u53d6\u3063\u3066\u304a\u304f\u3079\u304d\u3067\u3057\u305f\uff09<br>wget\u30b3\u30de\u30f3\u30c9\u3067\u5b9f\u884c\u3057\u3066\u3082\u7d50\u679c\u306b\u306f\u5909\u5316\u306a\u304f\u3001\u8abf\u3079\u305f\u4ee5\u4e0a\u306b\u8853\u304cMariaDB\u3078\u306e\u5909\u66f4\u4ee5\u5916\u4f59\u5100\u306a\u304f\u3055\u308c\u305f\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u25c6MariaDB\u306b\u5207\u308a\u66ff\u3048\u308b<\/strong><br>\u300csudo yum install -y mariadb mariadb-client\u300d\u3067\u610f\u5916\u306a\u3053\u3068\u306bMariaDB\u306f\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u5b8c\u4e86<br>\u4e0b\u8a18\u306e\u3088\u3046\u306b\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u6e08\u307f\u3067\u3042\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3067\u304d\u308b\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>mysql --version\n\nmysql  Ver 15.1 Distrib 5.5.68-MariaDB, for Linux (x86_64) using readline 5.1<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u300csudo service mysqld restart\u300d\u3067MySQL\u3092\u3044\u3063\u305f\u3093\u518d\u8d77\u52d5\u3059\u308b\u3068\u30fb\u30fb\u30fb<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>Redirecting to \/bin\/systemctl restart mysqld.service\nFailed to restart mysqld.service: Unit not found.<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e0a\u8a18\u30a8\u30e9\u30fc\u306b\u5bfe\u3057\u3066\u3001\u30cd\u30c3\u30c8\u3067\u691c\u7d22\u3057\u3066\u3044\u308b\u3068\u4e0b\u8a18\u306e\u30b5\u30a4\u30c8\u306b\u3042\u305f\u3063\u305f\u3002<br>\uff1c\u53c2\u8003\u30b5\u30a4\u30c8\uff1ahttps:\/\/terakoya.sejuku.net\/question\/detail\/16854 \uff1e<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u540c\u4e00\u306e\u4e8b\u8c61\u3067\u3042\u308a\u3001\u8a18\u8f09\u901a\u308a\u306e\u5bfe\u5fdc\u3092\u3057\u305f\u3068\u3053\u308d\u4e0b\u8a18\u30a8\u30e9\u30fc\u3088\u308a\u79c1\u306e\u65b9\u3082\u89e3\u6d88\u3057\u306a\u304b\u3063\u305f\u3002<br>\u30b5\u30a4\u30c8\u3067\u306f\u300cSQLite\u300d\u306b\u4e57\u308a\u63db\u3048\u3066\u306f\uff1f\u3068\u8a18\u8f09\u304c\u3042\u3063\u305f\u304c\u3001\u554f\u984c\u304c\u3069\u3093\u3069\u3093\u5f15\u304d\u5ef6\u3070\u3055\u308c\u3066\u3044\u308b\u611f\u3058\u304c\u5426\u3081\u306a\u3044\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>Failed to restart mariadb.service: Unit not found.<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>&#x27a1;CPU\u306e\u554f\u984c\u3067\u3082\u306a\u3055\u305d\u3046\u3002MySQL8\u306e\u6a5f\u80fd\u62e1\u5f35\u306f\u3067\u304d\u305a\u3001\u4ee3\u66ff\u3068\u306a\u308bDB\u306e\u7528\u610f\u304c\u671b\u3081\u306a\u3044<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u2463Apache\u3068MySQL\u306e\u30ed\u30b0\u3092\u78ba\u8a8d\u3057\u3066\u307f\u308b<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Apache\uff1acd \/var\/log\/ access_log , error_log<\/li>\n\n\n\n<li>PHP\uff1a\/var\/log\/php-fpm\/error_log<\/li>\n\n\n\n<li>MySQL\uff1acd \/var\/log\/mysqld.log<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>&#x27a1;\u30ed\u30b0\u306b\u306f\u672c\u4ef6\u306e\u30a8\u30e9\u30fc\u3092\u793a\u3059\u3088\u3046\u306a\u51fa\u529b\u306f\u3055\u308c\u3066\u3044\u306a\u304b\u3063\u305f\u3002<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u2464\u8a66\u3057\u306b\u300cIndex.html\u300d\u3092\u8868\u793a\u3055\u305b\u308b<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">WordPress\u304c\u30c0\u30e1\u306a\u6642\u3001\u4e00\u822c\u7684\u306a\u300cIndex.html\u300d\u304c\u8868\u793a\u3067\u304d\u308b\u304b\u3069\u3046\u304b\u3092\u8a66\u3057\u3066\u307f\u308b\u3002<br>\u3053\u308c\u3067\u9045\u5ef6\u304c\u767a\u751f\u3059\u308c\u3070\u3001WordPress\u304c\u554f\u984c\u3068\u3044\u3046\u8003\u3048\u81ea\u4f53\u304c\u8986\u308b\u3002\u3002\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>&#x27a1;\u6570\u30b3\u30f3\u30de\u96f6\u30df\u30ea\u306e\u901f\u3055\u3067\u8868\u793a\u3055\u308c\u305f\u3002\u3084\u306f\u308aWordPress\u3067\u306e\u51e6\u7406\u304c\u30b9\u30dd\u30c3\u30c8\u3002<\/strong><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u904b\u7528\u306b\u898b\u5207\u308a\u3092\u3064\u3051\u305f\u5224\u65ad<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u3053\u307e\u3067\u8abf\u67fb\u3092\u3057\u3066\u3044\u308b\u3068\u4eca\u307e\u3067\u3061\u3089\u307b\u3089\u3068\u76ee\u306b\u3064\u3044\u3066\u304d\u305f\u60c5\u5831\u306b\u4fe1\u6191\u6027\u304c\u5897\u3057\u3066\u304d\u305f\u3002<br>\u5bdf\u3057\u306e\u826f\u3044\u65b9\u3001\u307e\u305f\u306f\u30e1\u30e2\u30ea\u4f7f\u7528\u7387\u306e\u6bb5\u968e\u3067\u6c17\u304c\u4ed8\u304d\u9f3b\u3067\u7b11\u308f\u308c\u3066\u3044\u308b\u304b\u3082\u3057\u308c\u306a\u3044\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5358\u306b\u30b5\u30fc\u30d0\u30fc\u306e\u30b9\u30da\u30c3\u30af\u9762\u3067\u904b\u7528\u306b\u5411\u3044\u3066\u3044\u306a\u3044\u306e\u3067\u306f\u306a\u3044\u3060\u308d\u3046\u304b\u3002<br>CPU\u4f7f\u7528\u7387\u306b\u76ee\u3092\u4ed8\u3051\u305f\u6642\u306b\u53c2\u8003\u306b\u3057\u305f\u30b5\u30a4\u30c8\u3067\u306f\u3001MySQL\u306e\u30af\u30a8\u30ea\u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u4f7f\u3048\u308b\u3088\u3046\u306b\u3057\u305f\u3089\u4f55\u3068\u304b\u65e9\u304f\u306a\u3063\u305f\u304c\u3001CPU\u306e\u4f7f\u7528\u7387\u304c\u7206\u4e0a\u304c\u308a\u3057\u305f\u3068\u3044\u3046\u30d5\u30a1\u30f3\u30ad\u30fc\u306a\u65e7\u60c5\u5831\u3002<br>\uff08\u53c2\u8003\uff1ahttps:\/\/linuc.org\/study\/knowledge\/529\/\uff09<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u30aa\u30f3\u30e9\u30a4\u30f3\u30b9\u30af\u30fc\u30eb\u8b1b\u5e2b\u306b\u78ba\u8a8d\u3057\u3066\u3001\u5b9f\u73fe\u6027\u306e\u4f4e\u3055\u3092\u63d0\u793a\u3055\u308c\u3001<br>\u300cLightsail,AMIMOTO AMI,Bitnami\u300d\u306e\u4f7f\u7528\u3092\u63d0\u6848\u3055\u308c\u305f\u3053\u3068\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u307e\u305f\u3001\u51b7\u9759\u306b\u8003\u3048\u308c\u3070\u539f\u52d5\u529b\u3068\u3057\u305fUdemy\u306a\u3069\u306e\u8b1b\u5ea7\u306f\u3042\u304f\u307e\u3067\u4ed5\u7d44\u307f\u3084\u64cd\u4f5c\u30fb\u539f\u7406\u3092\u4f1d\u6388\u3059\u308b\u3082\u306e\u3067\u3042\u308a\u3001\u305d\u308c\u3092\u904b\u7528\u306b\u7e4b\u3052\u3066\u89e3\u91c8\u3057\u305f\u306e\u306f\u5c11\u3005\u6d45\u304b\u3063\u305f\u304b\u3082\u3057\u308c\u306a\u3044\u3002\u3002\u3002<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">\u3055\u3063\u305d\u304fWireshark\u3067\u306e\u5206\u6790\u7d50\u679c\u3092\u898b\u3066\u307f\u308b<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">\u5b9f\u969b\u306bwireshark\u3092\u4f7f\u7528\u3057\u305f\u306e\u306f\u4eca\u56de\u304c\u521d\u3081\u3066\u3067\u3057\u305f\u3002<br>\u305d\u306e\u305f\u3081\u3001\u4eca\u56de\u306f\u4ed8\u713c\u5203\u611f\u6e80\u8f09\u306e\u624b\u969b\u3068\u89e3\u91c8\u3067\u78ba\u8a8d\u3092\u9032\u3081\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4eca\u56de\u3001EC2\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u306eIP\u306f\u300c52.194.245.9\u300d\u3067\u3059\u3002<br>Wireshark\u4e0a\u6bb5\u306e\u30d6\u30e9\u30f3\u30af\u30b9\u30da\u30fc\u30b9\u306b\u3001\u300cip.src == 52.194.245.9\u300d\u3068\u5165\u529b\u3057\u307e\u3059\u3002<br>\u3059\u308b\u3068\u3001\u89e3\u6790\u7d50\u679c\u304c\u6307\u5b9a\u3057\u305fIP\u304c\u3084\u308a\u53d6\u308a\u3057\u305f\u901a\u4fe1\u306e\u307f\u8868\u793a\u3055\u308c\u307e\u3059\u3002<br>\u7d50\u679c\u3001\u30a8\u30e9\u30fc\u304c\u3044\u304f\u3064\u304b\u767a\u751f\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u925b\u8272(\u9ed2?)\u306e\u30e9\u30a4\u30f3\u304c\u300cBad TCP\u300d\u3067\u8d64\u306e\u30e9\u30a4\u30f3\u304c\u300cTCP RST\u300d\u3001RST\u306f\u30ea\u30bb\u30c3\u30c8\u306e\u7565\u8a9e\u3067\u3059\u3002<br>\u4eca\u56de\u7740\u76ee\u3059\u3079\u304d\u70b9\u306f\u3001\u300cBad TCP\u300d\u3001\u307e\u305f\u306f\u524d\u5f8c\u306e\u51e6\u7406\u3067\u4f55\u3092\u3057\u3066\u3044\u308b\u304b\u3001\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3056\u3063\u3068\u3067\u3059\u304c\u898b\u305f\u611f\u3058\u3001\u4e8c\u56de\uff082\u30bb\u30c3\u30c8\u00d72\u56de\uff09\u300cBad TCP\u300d\u304c\u767a\u751f\u3057\u3066\u3044\u308b\u3088\u3046\u3067\u3059\u3002<br>\u30bf\u30a4\u30e0\u30d5\u30ed\u30fc\u306b\u6cbf\u3063\u3066\u4e26\u3079\u3066\u5404\u51e6\u7406\u306b\u3064\u3044\u3066\u3001\u7406\u89e3\u3092\u6df1\u3081\u3066\u3044\u304d\u307e\u3059\u3002<br>\uff08\u2605\u6ce8\u610f\uff1a\u524d\u8ff0\u306e\u3088\u3046\u306b\u4ed8\u3051\u713c\u5203\u306a\u305f\u3081\u3001\u89e3\u91c8\u306b\u8aa4\u308a\u304c\u6df7\u3058\u3063\u3066\u3044\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\uff09<br>\uff08\u2605\u6ce8\u610f\uff1a\u53c2\u8003\u7a0b\u5ea6\u306b\u53c2\u7167\u9858\u3044\u307e\u3059\uff09<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u25c6\u524d\u63d0\u77e5\u8b58<\/strong><br>SEQ\uff1a\u30b7\u30fc\u30b1\u30f3\u30b9\u756a\u53f7\u3002\u30c7\u30fc\u30bf\u9001\u4fe1\u5143\u304c\u53d7\u4fe1\u5148\u306b\u9001\u308b\u756a\u53f7\u3002\u9001\u4fe1\u5143\u304c\u767a\u884c\u3057\u305f\u30aa\u30fc\u30c0\u756a\u53f7\u3068\u985e\u7fa9\u3002<br>ACK\uff1a\u30a2\u30c3\u30af\u756a\u53f7\u3002\u30c7\u30fc\u30bf\u53d7\u4fe1\u5148\u304c\u9001\u4fe1\u5143\u306b\u9001\u308b\u756a\u53f7\u3002\u53d7\u4fe1\u5148\u304c\u767a\u884c\u3057\u305f\u756a\u53f7\u3068\u985e\u7fa9\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u89e3\u6790\u7d50\u679c\u3078\u306e\u7406\u89e3<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\uff1c\u53c2\u8003\u30b5\u30a4\u30c8\uff1ahttps:\/\/milestone-of-se.nesuke.com\/knowhow\/wireshark\/wireshark-tcp-error\/ \uff1e<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u25c61\u56de\u76ee\u306e\u300cBad TCP\u300d<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u2460<strong>\u884c\u756a\u53f7<\/strong>\uff1a28<br>\u3000<strong>Time<\/strong>\uff1a0.284209<br>\u3000<strong>\u901a\u4fe1<\/strong>\uff1aAWS[52.194.245.9]\u2192\u81ea\u5b85\u7aef\u672b<br>\u3000<strong>\u30e1\u30c3\u30bb\u30fc\u30b8<\/strong>\uff1a[TCP Previous segment not captured] 443 \u2192 51235 [PSH, ACK] Seq=8645 Ack=1118 Win=61824 Len=1420 [TCP segment of a reassembled PDU]<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3000<strong>\u610f\u5473<\/strong>\uff1a<br>\u30dd\u30fc\u30c8443 \u2192 51235\u306b\u3066\u3001<br>\u25cf[TCP Previous segment not captured]<br>\u30d1\u30b1\u30c3\u30c8\u306e Seq# (\u30b7\u30fc\u30b1\u30f3\u30b9\u756a\u53f7) \u3092\u898b\u308b\u9650\u308a\u3001\u3053\u306e\u30d1\u30b1\u30c3\u30c8\u3088\u308a\u3082\u4e00\u3064\u524d\u306b\u672c\u6765\u3042\u308b\u3079\u304d\u30d1\u30b1\u30c3\u30c8\u304c Wireshark \u304b\u3089\u306f\u898b\u3089\u308c\u306a\u3044\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u25cfTCP segment of a reassembled PDU<br>\u30fbTCP\u30ec\u30d9\u30eb\u3067\u30d1\u30b1\u30c3\u30c8\u3092MSS\uff08\u6700\u5927\u30bb\u30b0\u30e1\u30f3\u30c8\u30b5\u30a4\u30ba\uff09\u3067\u5206\u5272\u3057\u305f<br>\u30fbPDU\uff1a\u30c7\u30fc\u30bf\u901a\u4fe1\u306b\u304a\u3044\u3066\u3001\u3042\u308b\u30d7\u30ed\u30c8\u30b3\u30eb\uff08\u901a\u4fe1\u898f\u7d04\uff09\u304c\u6271\u3046\u3072\u3068\u307e\u3068\u307e\u308a\u306e\u30c7\u30fc\u30bf\u306e\u9001\u53d7\u4fe1\u5358\u4f4d\u306e\u3053\u3068<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">&#x27a1;\u9014\u4e2d\u3067\u30d1\u30b1\u30c3\u30c8\u306e\u901a\u4fe1\u304c\u9014\u7d76\u3048\u3066\u3057\u307e\u3063\u305f\u3053\u3068\u3092\u610f\u5473\u3059\u308b\u3002<br>\u3000\uff08\u8981\u7d04\uff1a\u30b7\u30fc\u30b1\u30f3\u30b9 8645\u306d\uff5e\u266a\u2026\u2026\u4f55\u304b\u5fd8\u308c\u3066\u3044\u306a\u3044\u304b\uff1f\uff09<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u2461<strong>\u884c\u756a\u53f7<\/strong>\uff1a29<br>\u3000<strong>Time<\/strong>\uff1a0.284209<br>\u3000<strong>\u901a\u4fe1<\/strong>\uff1aAWS[52.194.245.9]\u2192\u81ea\u5b85\u7aef\u672b<br>\u3000<strong>\u30e1\u30c3\u30bb\u30fc\u30b8<\/strong>\uff1a[TCP Out-Of-Order] 443 \u2192 51235 [ACK] Seq=7225 Ack=1118 Win=61824 Len=1420 [TCP segment of a reassembled PDU]<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3000<strong>\u610f\u5473<\/strong>\uff1a[TCP Out-Of-Order]<br>Seq# \u304c\u9032\u3093\u3067\u304a\u3089\u305a\u3001\u304b\u3064\u4e00\u756a\u9ad8\u3044 Seq# \u306e\u30d1\u30b1\u30c3\u30c8\u3092\u53d7\u4fe1\u3057\u3066\u304b\u3089 3 ms \u4ee5\u5185\u306b\u305d\u308c\u3088\u308a\u3082\u4f4e\u3044 Seq# \u306e\u30d1\u30b1\u30c3\u30c8\u306b\u30de\u30fc\u30af\u3055\u308c\u3066\u3044\u308b\u3002<br>\u53ef\u80fd\u6027\u3068\u3057\u3066\u3001NW \u7d4c\u8def\u304c(\u8ca0\u8377\u5206\u6563\u306a\u3069\u306b\u3088\u308a)\u7570\u306a\u308b\u305f\u3081\u306b\u672c\u5f53\u306b\u9806\u756a\u304c\u5165\u308c\u66ff\u308f\u3063\u305f\u3002<br>\u307e\u305f\u306f\u3001Dup ACK \u30923\u56de\u53d7\u4fe1\u3059\u308b\u524d\u3001\u304b\u3064 3ms \u4ee5\u5185\u306b\u305d\u306e ACK \u3067\u8981\u6c42\u3057\u3066\u3044\u308b\u30d1\u30b1\u30c3\u30c8\u3092\u53d7\u4fe1\u3057\u305f (\u518d\u9001\u3055\u308c\u305f\u306e\u304b\u9045\u308c\u3066\u6765\u305f\u306e\u304b\u306f\u4e0d\u660e)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">&#x27a1;ACK1118\u5185\u306e\u8907\u6570\u30b7\u30fc\u30b1\u30f3\u30b9\u306b\u3066\u3001Seq 8645\u304c\u5148\u306b\u6765\u3066\u3044\u308b\u3002Seq 7225\u304c\u9045\u308c\u3066\u3057\u307e\u3063\u3066\u3044\u308b\u72b6\u614b\u3002<br>\u3000\uff08\u8981\u7d04\uff1a\u30b1\u30d3\u30f3\uff08\u30b7\u30fc\u30b1\u30f3\u30b9 7225\uff09\u304c\u3044\u306a\u3044\u305e\uff01\uff09\u2190\u6620\u753b\u3001\u30db\u30fc\u30e0\u30a2\u30ed\u30fc\u30f3\u53c2\u7167<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u2462<strong>\u884c\u756a\u53f7<\/strong>\uff1a34<br>\u3000<strong>Time<\/strong>\uff1a0.284349<br>\u3000<strong>\u901a\u4fe1<\/strong>\uff1a\u81ea\u5b85\u7aef\u672b\u2192AWS[52.194.245.9]<br>\u3000<strong>\u30e1\u30c3\u30bb\u30fc\u30b8<\/strong>\uff1a51235 \u2192 443 [ACK] Seq=1118 Ack=7225 Win=262656 Len=0 SLE=8645 SRE=10065<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3000<strong>\u610f\u5473<\/strong>\uff1a\u30dd\u30fc\u30c851235 \u2192 443\u306b\u3066\u3001\u9045\u5ef6\u3057\u3066\u3044\u305fSeq 7225\u3092\u9001\u3063\u3066\u3044\u308b\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uff08\u8981\u7d04\uff1a\u30b1\u30d3\u30f3\uff08\u30b7\u30fc\u30b1\u30f3\u30b9 7225\uff09\uff01\u7121\u4e8b\u3067\u3088\u304b\u3063\u305f\u308f\uff09\u2190\u6620\u753b\u3001\u30db\u30fc\u30e0\u30a2\u30ed\u30fc\u30f3\u53c2\u7167<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u25c62\u56de\u76ee\u306e\u300cBad TCP\u300d<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u2463<strong>\u884c\u756a\u53f7<\/strong>\uff1a73<br>\u3000<strong>Time<\/strong>\uff1a5.292659<br>\u3000<strong>\u901a\u4fe1<\/strong>\uff1a\u81ea\u5b85\u7aef\u672b\u2192AWS[52.194.245.9]<br>\u3000<strong>\u30e1\u30c3\u30bb\u30fc\u30b8<\/strong>\uff1a[TCP ACKed unseen segment] 51235 \u2192 443 [ACK] Seq=1118 Ack=58149 Win=262656 Len=0<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3000<strong>\u610f\u5473<\/strong>\uff1a[TCP ACKed unseen segment]<br>\u30dd\u30fc\u30c851235 \u2192 443\u306b\u3066\u3001<br>\u76f4\u524d\u307e\u3067\u306e\u30d1\u30b1\u30c3\u30c8\u304c\u898b\u3048\u3066\u3044\u306a\u3044\uff08\u30ed\u30b9\u3057\u3066\u3044\u308b\uff09\u306b\u3082\u95a2\u308f\u3089\u305a\u3001\u300c\u30d1\u30b1\u30c3\u30c8\u3092\u53d7\u4fe1\u3057\u305f\u3088\uff01\u300d\u3068\u3044\u3046 ACK \u3060\u3051\u8fd4\u3063\u3066\u3044\u308b\u72b6\u614b\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uff08\u8981\u7d04\uff1a58149\u3092\u30ad\u30e3\u30c3\u30c1\uff01\u3042\u308c\u30fb\u30fb\u30fb\uff1f\u3069\u3053\u306b\u7f6e\u3051\u3070\u3044\u3044\u306e\uff1f\u30ad\u30e7\u30ed\u30ad\u30e7\u30ed\u2026\uff09<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u2464<strong>\u884c\u756a\u53f7<\/strong>\uff1a74<br>\u3000<strong>Time<\/strong>\uff1a5.292669<br>\u3000<strong>\u901a\u4fe1<\/strong>\uff1aAWS[52.194.245.9]\u2192\u81ea\u5b85\u7aef\u672b<br>\u3000<strong>\u30e1\u30c3\u30bb\u30fc\u30b8<\/strong>\uff1a443 \u2192 51235 [FIN, ACK] Seq=58148 Ack=1118 Win=61824 Len=0<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3000<strong>\u610f\u5473<\/strong>\uff1aSeq 58148\u304c\u4eca\u5c4a\u3044\u305f\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uff08\u8981\u7d04\uff1a\u30b7\u30fc\u30b1\u30f3\u30b9\u756a\u53f758148\u300c\u9045\u308c\u3066\u3054\u3081\u3093\u306a\u3055\u3044\uff01\u300d\u3000\u3000\u30b7\u30fc\u30b1\u30f3\u30b9\u756a\u53f758149\u300c\u30fb\u30fb\u30fb\u300d\uff09<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u2465<strong>\u884c\u756a\u53f7<\/strong>\uff1a75<br>\u3000<strong>Time<\/strong>\uff1a5.292687<br>\u3000<strong>\u901a\u4fe1<\/strong>\uff1a\u81ea\u5b85\u7aef\u672b\u2192AWS[52.194.245.9]<br>\u3000<strong>\u30e1\u30c3\u30bb\u30fc\u30b8<\/strong>\uff1a[TCP Dup ACK 73#1] 51235 \u2192 443 [ACK] Seq=1118 Ack=58149 Win=262656 Len=0<br>\u3000<br><strong>\u610f\u5473<\/strong>\uff1a[TCP Dup ACK 73#1]<br>Ack# (\u5fdc\u7b54\u78ba\u8a8d\u756a\u53f7)\u306e\u30d1\u30b1\u30c3\u30c8 (#1\u56de\u76ee) \u304c\u89b3\u6e2c\u3055\u308c\u305f\u3053\u3068\u3092\u610f\u5473\u3059\u308b\u3002<br>\u3053\u308c\u3092\u4f55\u5ea6\u3082\u9001\u308b\u5834\u5408\u3001 Seq# = 58149 \u306e\u30d1\u30b1\u30c3\u30c8\u304c\u53d7\u4fe1\u3067\u304d\u3066\u3044\u306a\u3044\u305f\u3081\u3001\u518d\u9001\u8981\u6c42\u3092\u3057\u3066\u3044\u308b\u3001\u3068\u8003\u3048\u3089\u308c\u308b\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uff08\u8981\u7d04\uff1a\u300c\u30b7\u30fc\u30b1\u30f3\u30b9\u756a\u53f758149\u306f\u3069\u3053\u3058\u3083\u3042\u3001\u6211\uff01\u300d<br>\u3000\u3000\u3000\u3000\u3000\u30b7\u30fc\u30b1\u30f3\u30b9\u756a\u53f758149\u300c\u547c\u3073\u51fa\u3055\u308c\u3061\u3083\u3063\u305f\uff01\u306a\u3093\u304b\u5510\u7a81\u306b\u6016\u3044\uff01\u300d\uff09<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u2466<strong>\u884c\u756a\u53f7<\/strong>\uff1a76<br>\u3000<strong>Time<\/strong>\uff1a20.061821<br>\u3000<strong>\u901a\u4fe1<\/strong>\uff1aAWS[52.194.245.9]\u2192\u81ea\u5b85\u7aef\u672b<br>\u3000<strong>\u30e1\u30c3\u30bb\u30fc\u30b8<\/strong>\uff1aEncrypted Alert<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3000<strong>\u610f\u5473<\/strong>\uff1a\u30d1\u30b1\u30c3\u30c8\u30ad\u30e3\u30d7\u30c1\u30e3\u6642\u306b Encrypted Alert \u3068\u8868\u793a\u3055\u308c\u308b\u5834\u5408\u304c\u3042\u308b\u3002\u3053\u308c\u306f \u201dContent Type:21 = Alert\u201d \u306b\u3088\u308b\u3082\u306e\u3089\u3057\u3044\u3002<br>TCP FIN \u306e\u76f4\u524d\u306b\u3042\u308b\u5834\u5408\u306f\u5927\u62b5\u3001TLS \u30b3\u30cd\u30af\u30b7\u30e7\u30f3\u306e\u7d42\u4e86\u3092\u610f\u5473\u3059\u308b\u300eclose_notify\u300f\u3060\u3068\u601d\u308f\u308c\u308b(\u6697\u53f7\u5316\u3055\u308c\u3066\u3044\u3066\u898b\u3048\u306a\u3044)\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uff08\u8981\u7d04\uff1a\u30b7\u30fc\u30b1\u30f3\u30b9\u756a\u53f758149\u300c\u3053\u3053\u306b\u3044\u307e\u3059\uff5e\uff01\uff08\u3042\u3069\u3051\u306a\u3044\u8d70\u308a\uff09\u300d\u3000\uff09<br>\uff08\u8981\u7d04\uff1a\u8ff7\u5b50\u306e\u30b7\u30fc\u30b1\u30f3\u30b9\u3092\u78ba\u8a8d\u3057\u307e\u3057\u305f\uff01\uff09<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">\u304a\u3057\u307e\u3044\u306b<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">\u89e3\u6790\u7d50\u679c\u3068\u3057\u3066\u306f\u30a8\u30e9\u30fc\u3067\u3042\u308b\u305f\u3081\u3001\u9762\u5012\u6975\u307e\u308a\u306a\u3044\u3067\u3059\u304c\u65e5\u672c\u56fa\u6709\u306e\u67d4\u8edf\u306a\u30b5\u30d6\u30ab\u30eb\u6027\u3092\u3042\u3066\u3066\u8868\u73fe\u3057\u3066\u307f\u308b\u3068\u3001\u4e0d\u601d\u8b70\u3068\u3001\u4f55\u6545\u304b\u611b\u7740\u304c\u6e67\u3044\u3066\u304d\u307e\u3057\u305f\uff08\u7b11\uff09<br>\u9591\u8a71\u4f11\u984c\u3001\u30d1\u30b1\u30c3\u30c8\u901a\u4fe1\u3067\u9045\u5ef6\u304c\u767a\u751f\u3057\u3066\u3044\u308b\u3053\u3068\u306f\u308f\u304b\u308a\u307e\u3057\u305f\u3002<br>\u3067\u306f\u3001\u3053\u3061\u3089\u3092\u89e3\u6d88\u3057\u3088\u3046\u3068\u3059\u308b\u3068\u901a\u4fe1\u5404\u6240\u306bWireshark\u306a\u3069\u306e\u89e3\u6790\u30c4\u30fc\u30eb\u3092\u5c0e\u5165\u3057\u305f\u308a\u3068\u3001<br>\u30de\u30af\u30ed\u306a\u5bfe\u5fdc\u306b\u306a\u3063\u305f\u308a\u3068\u3001\u500b\u4eba\u306e\u52aa\u529b\u3067\u306f\u96e3\u3057\u3044\u3088\u3046\u3067\u3057\u305f\u3002<br>\u8abf\u3079\u308b\u306a\u3089\u304a\u305d\u3089\u304f\u3001\u884c75\uff5e76\u3068\u601d\u308f\u308c\u307e\u3059\u3002\u3053\u3053\u306715\u79d2\u304b\u304b\u3063\u3066\u3044\u308b\u306e\u3067\u304b\u306a\u308a\u81ed\u3044\u307e\u3059\u3002<br>\u305d\u306e\u305f\u3081\u3001\u4e00\u65e6\u306f\u3053\u306e\u8ab2\u984c\u3092\u30af\u30ed\u30fc\u30ba\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p 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