{"id":927,"date":"2023-06-08T15:00:50","date_gmt":"2023-06-08T06:00:50","guid":{"rendered":"https:\/\/www.miraiserver.ne.jp\/column\/?p=927"},"modified":"2025-08-15T17:01:23","modified_gmt":"2025-08-15T08:01:23","slug":"about_ubuntu-ufw","status":"publish","type":"post","link":"https:\/\/www.miraiserver.ne.jp\/column\/about_ubuntu-ufw\/","title":{"rendered":"Ubuntu22.04.2 LTS\u306eufw(\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u30c4\u30fc\u30eb)\u306e\u8a2d\u5b9a\u65b9\u6cd5"},"content":{"rendered":"<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-4087 size-full\" src=\"http:\/\/blog.miraiserver.ne.jp\/wp-content\/uploads\/2023\/06\/Ubuntu22.04.2-LTS\u306eufw\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u30c4\u30fc\u30eb\u306e\u8a2d\u5b9a\u65b9\u6cd5-1.webp\" alt=\"\" width=\"900\" height=\"500\" srcset=\"https:\/\/blog.miraiserver.ne.jp\/wp-content\/uploads\/2023\/06\/Ubuntu22.04.2-LTS\u306eufw\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u30c4\u30fc\u30eb\u306e\u8a2d\u5b9a\u65b9\u6cd5-1.webp 900w, https:\/\/blog.miraiserver.ne.jp\/wp-content\/uploads\/2023\/06\/Ubuntu22.04.2-LTS\u306eufw\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u30c4\u30fc\u30eb\u306e\u8a2d\u5b9a\u65b9\u6cd5-1-300x167.webp 300w, https:\/\/blog.miraiserver.ne.jp\/wp-content\/uploads\/2023\/06\/Ubuntu22.04.2-LTS\u306eufw\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u30c4\u30fc\u30eb\u306e\u8a2d\u5b9a\u65b9\u6cd5-1-640x356.webp 640w, https:\/\/blog.miraiserver.ne.jp\/wp-content\/uploads\/2023\/06\/Ubuntu22.04.2-LTS\u306eufw\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u30c4\u30fc\u30eb\u306e\u8a2d\u5b9a\u65b9\u6cd5-1-768x427.webp 768w\" sizes=\"(max-width: 900px) 100vw, 900px\" \/>\u672c\u8a18\u4e8b\u3067\u306f\u3001<strong>ufw\u306e\u8a2d\u5b9a\u65b9\u6cd5<\/strong>\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n<p>Linux\u306b\u306f\u3001\u4e0d\u8981\u306a\u901a\u4fe1\u3092\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u3059\u308b\u30c4\u30fc\u30eb\u300ciptables\u300d\u304c\u4f7f\u308f\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p><span class=\"q_underline q_underline1\" style=\"border-bottom-color: #fff799;\">Ubuntu\u306b\u306f\u3001\u30d0\u30fc\u30b8\u30e7\u30f38.04 LTS\u4ee5\u964d\u3001<strong>\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u30c4\u30fc\u30eb\u300cufw\uff08Uncomplicated FireWall\uff09\u300d<\/strong>\u304c\u65b0\u305f\u306b\u6a19\u6e96\u3067\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3055\u308c\u307e\u3057\u305f<\/span>\u3002<\/p>\n<p>ufw\u306fiptables\u306e\u30b7\u30f3\u30d7\u30eb\u306a\u30d5\u30ed\u30f3\u30c8\u30a8\u30f3\u30c9\u30c4\u30fc\u30eb\u3067\u3001<span class=\"q_underline q_underline1\" style=\"border-bottom-color: #fff799;\"><strong>ufw<\/strong>\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067<strong>iptables\u3092\u7c21\u5358\u306b\u8a2d\u5b9a<\/strong>\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u3001<strong>\u30b7\u30b9\u30c6\u30e0\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u5411\u4e0a<\/strong>\u3055\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059<\/span>\u3002<\/p>\n<p><span class=\"q_underline q_underline2\" style=\"border-bottom-color: #99f9ff;\">\u305d\u306e\u8a2d\u5b9a\u65b9\u6cd5\u306b\u3064\u3044\u3066\u3001\u5177\u4f53\u7684\u306b\u3054\u8aac\u660e\u3057\u3066\u3044\u304d\u307e\u3059<\/span>\u3002<\/p>\n<p><span class=\"q_underline q_underline2\" style=\"border-bottom-color: #99f9ff;\"><strong>\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u5f37\u5316\u3059\u308b\u305f\u3081\u306b\u91cd\u8981\u306a\u6a5f\u80fd<\/strong>\u3067\u3059\u306e\u3067\u3001\u672c\u8a18\u4e8b\u3092\u53c2\u8003\u306b\u305c\u3072\u8a2d\u5b9a\u65b9\u6cd5\u3092\u7406\u89e3\u3057\u3001\u6271\u3048\u308b\u3088\u3046\u306b\u3057\u3066\u304f\u3060\u3055\u3044<\/span>\u3002<\/p>\n<div class=\"cardlink\">\r\n    <a class=\"image\" href=\"https:\/\/www.miraiserver.ne.jp\/column\/about_ubuntu\/\">\r\n     <img src=\"https:\/\/blog.miraiserver.ne.jp\/wp-content\/uploads\/2025\/08\/Ubuntu\u3068\u306f\u3002\u7279\u5fb4\u3001\u3067\u304d\u308b\u3053\u3068\u3001\u901a\u5e38\u7248\u3068LTE\u7248\u306e\u9055\u3044\u3092\u89e3\u8aac-1.webp\">\r\n    <\/a>\r\n    <div class=\"content\">\r\n     <div class=\"title_area\">\r\n      <p class=\"date\">2022.10.13<\/p>\r\n      <h4 class=\"title\">\r\n       <a href=\"https:\/\/www.miraiserver.ne.jp\/column\/about_ubuntu\/\">Ubuntu\u3068\u306f\u3002\u7279\u5fb4\u3001\u3067\u304d\u308b\u3053\u3068\u3001\u901a\u5e38\u7248\u3068LTE\u7248\u306e\u9055\u3044\u3092\u89e3\u8aac<\/a>\r\n      <\/h4>\r\n     <\/div>\r\n     <p class=\"desc\"><span>\r\n\r\nUbuntu\u306fLinux\u7cfb\u306eOS\u3067\u3042\u308a\u3001\u591a\u304f\u306eLinux\u30c7\u30a3\u30b9\u30c8\u30ea\u30d3\u30e5\u30fc\u30b7\u30e7\u30f3\u306e\u4e2d\u3067\u3082\u9ad8\u3044\u4eba\u6c17\u3092\u8a87\u308a\u307e\u3059\u3002\r\n\r\n\u975e\u5e38\u306b\u6271\u3044\u3084\u3059\u3044\u305f...<\/span><\/p>\r\n    <\/div>\r\n   <\/div>\n\n<div class=\"well2\" style=\"text-align: center;\">\n<p><strong>Ubuntu<\/strong>\u3092<strong>VPS<\/strong>\u3067\u5229\u7528\u3059\u308b\u306a\u3089<strong style=\"font-size: 16px;\"><span style=\"color: #339966;\"><br \/>\n\u30df\u30e9\u30a4\u30b5\u30fc\u30d0\u30fc<br \/>\n<\/span><\/strong><strong><span style=\"color: #ff0000;\">\uff3c2\u9031\u9593\u7121\u6599\u30fb\u5168\u30d7\u30e9\u30f3SSD\u642d\u8f09\uff0f<\/span><br \/>\n<a class=\"q_custom_button q_custom_button3 animation_type1 rounded\" style=\"width: 400px; height: 70px;\" href=\"https:\/\/www.miraiserver.ne.jp\/?utm_source=article-frame&amp;utm_medium=referral&amp;utm_campaign=miraiserver\" target=\"_blank\" rel=\"noopener\">\u30df\u30e9\u30a4\u30b5\u30fc\u30d0\u30fc\u3092\u7121\u6599\u3067\u8a66\u3059<\/a><\/strong><\/p>\n<\/div>\n<div id=\"toc_container\" class=\"no_bullets\"><p class=\"toc_title\">\u76ee\u6b21<\/p><ul class=\"toc_list\"><li><a href=\"#ufw\"><span class=\"toc_number toc_depth_1\">1<\/span> ufw\u306e\u7ba1\u7406<\/a><ul><li><a href=\"#i\"><span class=\"toc_number toc_depth_2\">1.1<\/span> \u524d\u63d0\u6761\u4ef6<\/a><\/li><li><a href=\"#ufw-2\"><span class=\"toc_number toc_depth_2\">1.2<\/span> ufw\u306e\u7ba1\u7406<\/a><\/li><\/ul><\/li><li><a href=\"#ufw-3\"><span class=\"toc_number toc_depth_1\">2<\/span> ufw\u306e\u8a2d\u5b9a<\/a><ul><li><a href=\"#i-2\"><span class=\"toc_number toc_depth_2\">2.1<\/span> \u30eb\u30fc\u30eb\u306e\u8ffd\u52a0\uff08\u30dd\u30fc\u30c8\u6307\u5b9a\uff09<\/a><\/li><li><a href=\"#i-3\"><span class=\"toc_number toc_depth_2\">2.2<\/span> \u30eb\u30fc\u30eb\u306e\u524a\u9664\uff08\u30dd\u30fc\u30c8\u6307\u5b9a\uff09<\/a><\/li><li><a href=\"#IP\"><span class=\"toc_number toc_depth_2\">2.3<\/span> \u30eb\u30fc\u30eb\u306e\u8ffd\u52a0\uff08\u9001\u4fe1\u5143IP\u30a2\u30c9\u30ec\u30b9\u6307\u5b9a\uff09<\/a><\/li><li><a href=\"#IP-2\"><span class=\"toc_number toc_depth_2\">2.4<\/span> \u30eb\u30fc\u30eb\u306e\u524a\u9664\uff08\u9001\u4fe1\u5143IP\u30a2\u30c9\u30ec\u30b9\u6307\u5b9a\uff09<\/a><\/li><\/ul><\/li><li><a href=\"#ufw-4\"><span class=\"toc_number toc_depth_1\">3<\/span> ufw\u8a2d\u5b9a\u306e\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u3068\u30ea\u30b9\u30c8\u30a2<\/a><\/li><li><a href=\"#i-4\"><span class=\"toc_number toc_depth_1\">4<\/span> \u307e\u3068\u3081<\/a><\/li><li><a href=\"#UbuntuVPS\"><span class=\"toc_number toc_depth_1\">5<\/span> Ubuntu\u3092VPS\u3067\u5229\u7528\u3059\u308b\u306a\u3089\u30df\u30e9\u30a4\u30b5\u30fc\u30d0\u30fc<\/a><\/li><\/ul><\/div>\n<h2 class=\"styled_h2\"><span id=\"ufw\">ufw\u306e\u7ba1\u7406<\/span><\/h2>\n<h3 class=\"styled_h3\"><span id=\"i\">\u524d\u63d0\u6761\u4ef6<\/span><\/h3>\n<p>\u4eca\u56de\u306f\u3001\u4eee\u60f3\u30de\u30b7\u30f3\u4e0a\u306b\u69cb\u7bc9\u3055\u308c\u305fUbuntu\u3092\u4f7f\u7528\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u4eee\u60f3\u30de\u30b7\u30f3\u306e\u30b9\u30da\u30c3\u30af\u306f\u4ee5\u4e0b\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n<ul>\n<li style=\"list-style-type: none;\">\n<ul style=\"list-style-type: disc;\">\n<li>CPU\uff1a2vCPU<\/li>\n<li>Memory\uff1a4GB<\/li>\n<li>Disk\uff1a50GB<\/li>\n<li>Ubuntu\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\uff1aUbuntu 22.04.2 LTS<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>\u307e\u305f\u3001\u30b3\u30de\u30f3\u30c9\u306e\u6a19\u8a18\u306b\u3064\u3044\u3066\u306f\u3001\u5b9f\u969b\u306b\u5165\u529b\u3059\u308b\u30b3\u30de\u30f3\u30c9\u3092<strong>\u592a\u5b57<\/strong>\u3001\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u5f8c\u306b\u5165\u529b\u3092\u6c42\u3081\u3089\u308c\u308b\u7b87\u6240\u306b\u3064\u3044\u3066\u306f<span style=\"color: #ff0000;\">\u8d64\u5b57<\/span>\u3001\u88dc\u8db3\u306e\u5185\u5bb9\u3092<span style=\"color: #3366ff;\">\u9752\u5b57<\/span>\u3067\u8a18\u8f09\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p><a href=\"https:\/\/www.miraiserver.ne.jp\/?utm_source=article-other&amp;utm_medium=referral&amp;utm_campaign=miraiserver\" target=\"_blank\" rel=\"noopener\"><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-117 size-full\" src=\"http:\/\/blog.miraiserver.ne.jp\/wp-content\/uploads\/2022\/08\/02_728x90_a.png\" alt=\"Unix\u7cfbOS\u5c02\u9580\u306e\u30db\u30b9\u30c6\u30a3\u30f3\u30b0\u30b5\u30fc\u30d3\u30b9\u300c\u30df\u30e9\u30a4\u30b5\u30fc\u30d0\u30fc\u300d\" width=\"728\" height=\"90\" srcset=\"https:\/\/blog.miraiserver.ne.jp\/wp-content\/uploads\/2022\/08\/02_728x90_a.png 728w, https:\/\/blog.miraiserver.ne.jp\/wp-content\/uploads\/2022\/08\/02_728x90_a-300x37.png 300w, https:\/\/blog.miraiserver.ne.jp\/wp-content\/uploads\/2022\/08\/02_728x90_a-640x79.png 640w\" sizes=\"(max-width: 728px) 100vw, 728px\" \/><\/a><\/p>\n<h3 class=\"styled_h3\"><span id=\"ufw-2\">ufw\u306e\u7ba1\u7406<\/span><\/h3>\n<p>\u6700\u521d\u306b\u3001ufw\u3092\u4f7f\u7528\u3059\u308b\u305f\u3081\u306e\u57fa\u672c\u7684\u306a\u30b3\u30de\u30f3\u30c9\u306b\u3064\u3044\u3066\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n<p>\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u305f\u76f4\u5f8c\u306fufw\u304c\u8d77\u52d5\u3057\u305f\u72b6\u614b\u3067\u3059\u304c\u3001\u505c\u6b62\u3084\u8d77\u52d5\u3001\u81ea\u52d5\u8d77\u52d5\u306e\u8a2d\u5b9a\u3092\u884c\u3044\u305f\u3044\u5834\u5408\u306f\u3001\u4ee5\u4e0b\u306e\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3057\u307e\u3059\u3002<\/p>\n\n<table id=\"tablepress-62\" class=\"tablepress tablepress-id-62\">\n<thead>\n<tr class=\"row-1 odd\">\n\t<th class=\"column-1\">\u64cd\u4f5c<\/th><th class=\"column-2\">\u30b3\u30de\u30f3\u30c9<\/th>\n<\/tr>\n<\/thead>\n<tbody class=\"row-hover\">\n<tr class=\"row-2 even\">\n\t<td class=\"column-1\">ufw\u306e\u72b6\u614b\u78ba\u8a8d<\/td><td class=\"column-2\">$ sudo ufw status verbose<\/td>\n<\/tr>\n<tr class=\"row-3 odd\">\n\t<td class=\"column-1\">ufw\u306e\u505c\u6b62<\/td><td class=\"column-2\">$ sudo systemctl stop ufw<\/td>\n<\/tr>\n<tr class=\"row-4 even\">\n\t<td class=\"column-1\">ufw\u306e\u8d77\u52d5<\/td><td class=\"column-2\">$ sudo systemctl start ufw<\/td>\n<\/tr>\n<tr class=\"row-5 odd\">\n\t<td class=\"column-1\">ufw\u306e\u518d\u8d77\u52d5<\/td><td class=\"column-2\">$ sudo systemctl restart ufw<\/td>\n<\/tr>\n<tr class=\"row-6 even\">\n\t<td class=\"column-1\">\u8a2d\u5b9a\u306e\u30ea\u30ed\u30fc\u30c9<\/td><td class=\"column-2\">$ sudo systemctl reload ufw<\/td>\n<\/tr>\n<tr class=\"row-7 odd\">\n\t<td class=\"column-1\">\u81ea\u52d5\u8d77\u52d5\u306e\u6709\u52b9\u5316<\/td><td class=\"column-2\">$ sudo systemctl enable ufw<\/td>\n<\/tr>\n<tr class=\"row-8 even\">\n\t<td class=\"column-1\">\u81ea\u52d5\u8d77\u52d5\u306e\u7121\u52b9\u5316<\/td><td class=\"column-2\">$ sudo systemctl disable ufw<\/td>\n<\/tr>\n<tr class=\"row-9 odd\">\n\t<td class=\"column-1\">ufw\u306e\u72b6\u614b\u78ba\u8a8d\uff08\u30c7\u30fc\u30e2\u30f3\uff09<\/td><td class=\"column-2\">$ sudo systemctl status ufw<\/td>\n<\/tr>\n<tr class=\"row-10 even\">\n\t<td class=\"column-1\">ufw\u306e\u72b6\u614b\u78ba\u8a8d\uff08\u8a2d\u5b9a\uff09<\/td><td class=\"column-2\">$ sudo ufw status verbose<\/td>\n<\/tr>\n<tr class=\"row-11 odd\">\n\t<td class=\"column-1\">ufw\u306e\u8a2d\u5b9a\u306e\u6709\u52b9\u5316<\/td><td class=\"column-2\">$ sudo ufw enable<\/td>\n<\/tr>\n<tr class=\"row-12 even\">\n\t<td class=\"column-1\">ufw\u306e\u8a2d\u5b9a\u306e\u7121\u52b9\u5316<\/td><td class=\"column-2\">$ sudo ufw disable<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<!-- #tablepress-62 from cache -->\n<p>ufw\u306f\u3001\u6700\u521d\u304b\u3089\u30c7\u30fc\u30e2\u30f3\u304c\u8d77\u52d5\u3057\u3066\u3044\u308b\u72b6\u614b\u3067\u3059\u304c\u3001\u8a2d\u5b9a\u3068\u3057\u3066\u306f\u7121\u52b9\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<p class=\"well2\"><span style=\"color: #3366ff;\">ufw\u30c7\u30fc\u30e2\u30f3\u306e\u72b6\u614b\u78ba\u8a8d<br \/>\n<span style=\"color: #000000;\">$ <strong>sudo su<\/strong><\/span><br \/>\nufw\u30c7\u30fc\u30e2\u30f3\u306e\u8a2d\u5b9a\u78ba\u8a8d<br \/>\n<\/span>$ <strong>sudo ufw status verbose<\/strong><\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter size-full wp-image-4089\" src=\"http:\/\/blog.miraiserver.ne.jp\/wp-content\/uploads\/2023\/06\/\u753b\u50cf2.webp\" alt=\"\" width=\"602\" height=\"257\" srcset=\"https:\/\/blog.miraiserver.ne.jp\/wp-content\/uploads\/2023\/06\/\u753b\u50cf2.webp 602w, https:\/\/blog.miraiserver.ne.jp\/wp-content\/uploads\/2023\/06\/\u753b\u50cf2-300x128.webp 300w\" sizes=\"(max-width: 602px) 100vw, 602px\" \/><\/p>\n<p>\u6b21\u306e\u30b3\u30de\u30f3\u30c9\u3067\u8a2d\u5b9a\u3092\u6709\u52b9\u306b\u3057\u307e\u3059\u3002<\/p>\n<p class=\"well2\"><span style=\"color: #3366ff;\">ufw\u306e\u6709\u52b9\u5316<\/span><br \/>\n$ <strong>sudo ufw enable<\/strong><\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter size-full wp-image-4090\" src=\"http:\/\/blog.miraiserver.ne.jp\/wp-content\/uploads\/2023\/06\/\u753b\u50cf3.webp\" alt=\"\" width=\"602\" height=\"197\" srcset=\"https:\/\/blog.miraiserver.ne.jp\/wp-content\/uploads\/2023\/06\/\u753b\u50cf3.webp 602w, https:\/\/blog.miraiserver.ne.jp\/wp-content\/uploads\/2023\/06\/\u753b\u50cf3-300x98.webp 300w\" sizes=\"(max-width: 602px) 100vw, 602px\" \/><\/p>\n<p>\u8d77\u52d5\u3057\u305f\u76f4\u5f8c\u306e\u72b6\u614b\u3067\u306f\u3001\u4f55\u306e\u30eb\u30fc\u30eb\u3082\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u307e\u305b\u3093\u3002<\/p>\n<p>\u3053\u306e\u3068\u304d\u306e\u52d5\u4f5c\u306f\u300cdeny(incoming)\u300d\u3068\u3042\u308b\u3088\u3046\u306b\u3001\u5916\u90e8\u304b\u3089\u306e\u30d1\u30b1\u30c3\u30c8\u306f\u5ec3\u68c4\u3059\u308b\u8a2d\u5b9a\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u3064\u307e\u308a\u3001\u5fc5\u8981\u306a\u901a\u4fe1\u306e\u307f\u8a31\u53ef\u3059\u308b\u300c\u30db\u30ef\u30a4\u30c8\u30ea\u30b9\u30c8\u65b9\u5f0f\u300d\u3067\u8a2d\u5b9a\u3092\u8ffd\u52a0\u3057\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n<p><a href=\"https:\/\/www.miraiserver.ne.jp\/?utm_source=article-other&amp;utm_medium=referral&amp;utm_campaign=miraiserver\" target=\"_blank\" rel=\"noopener\"><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-117 size-full\" src=\"http:\/\/blog.miraiserver.ne.jp\/wp-content\/uploads\/2022\/08\/02_728x90_a.png\" alt=\"Unix\u7cfbOS\u5c02\u9580\u306e\u30db\u30b9\u30c6\u30a3\u30f3\u30b0\u30b5\u30fc\u30d3\u30b9\u300c\u30df\u30e9\u30a4\u30b5\u30fc\u30d0\u30fc\u300d\" width=\"728\" height=\"90\" srcset=\"https:\/\/blog.miraiserver.ne.jp\/wp-content\/uploads\/2022\/08\/02_728x90_a.png 728w, https:\/\/blog.miraiserver.ne.jp\/wp-content\/uploads\/2022\/08\/02_728x90_a-300x37.png 300w, https:\/\/blog.miraiserver.ne.jp\/wp-content\/uploads\/2022\/08\/02_728x90_a-640x79.png 640w\" sizes=\"(max-width: 728px) 100vw, 728px\" \/><\/a><\/p>\n<h2 class=\"styled_h2\"><span id=\"ufw-3\">ufw\u306e\u8a2d\u5b9a<\/span><\/h2>\n<p>\u901a\u4fe1\u3092\u906e\u65ad\u3059\u308b\u8a2d\u5b9a\u306f\u3001\u30dd\u30fc\u30c8\u5358\u4f4d\u3001IP\u30a2\u30c9\u30ec\u30b9\u5358\u4f4d\u3001\u30a4\u30f3\u30bf\u30d5\u30a7\u30fc\u30b9\u5358\u4f4d\u306a\u3069\u8907\u6570\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u3053\u3053\u3067\u306f\u3001\u3088\u304f\u5229\u7528\u3055\u308c\u308b\u300c\u30dd\u30fc\u30c8\u5358\u4f4d\u300d\u304a\u3088\u3073\u300cIP\u30a2\u30c9\u30ec\u30b9\u5358\u4f4d\u300d\u3067\u306e\u30eb\u30fc\u30eb\u8a2d\u5b9a\u306e\u65b9\u6cd5\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n<h3 class=\"styled_h3\"><span id=\"i-2\">\u30eb\u30fc\u30eb\u306e\u8ffd\u52a0\uff08\u30dd\u30fc\u30c8\u6307\u5b9a\uff09<\/span><\/h3>\n<p>\u30eb\u30fc\u30eb\u306f\u3001\u4ee5\u4e0b\u306e3\u3064\u3092\u8a2d\u5b9a\u3057\u307e\u3059\u3002<\/p>\n<ul>\n<li style=\"list-style-type: none;\">\n<ul style=\"list-style-type: disc;\">\n<li>allow\uff08\u8a31\u53ef\uff09<\/li>\n<li>deny\uff08\u5ec3\u68c4\uff09<\/li>\n<li>reject\uff08\u62d2\u7d76\uff09<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u5916\u90e8\u304b\u3089\u306e\u901a\u4fe1\u306f\u3059\u3079\u3066deny\u3068\u306a\u3063\u3066\u3044\u308b\u305f\u3081\u3001\u4eca\u56de\u306f\u5916\u90e8\u304b\u3089\u7279\u5b9a\u306e\u901a\u4fe1\u3092\u8a31\u53ef\u3059\u308b\u30eb\u30fc\u30eb\u3092\u8ffd\u52a0\u3057\u307e\u3059\u3002<\/p>\n<p>\u4ee5\u4e0b\u306f\u3001\u5168\u3066\u306e\u9001\u4fe1\u5143\u30db\u30b9\u30c8\u304b\u3089\u306e\u3001\u30dd\u30fc\u30c822\u306e\u901a\u4fe1\u3092\u8a31\u53ef\u3059\u308b\u8a2d\u5b9a\u3067\u3059\u3002<\/p>\n<p>\u30d7\u30ed\u30c8\u30b3\u30eb\uff08TCP\/UDP\uff09\u3092\u6307\u5b9a\u3057\u306a\u3051\u308c\u3070\u3001TCP\/UDP\u4e21\u65b9\u306e\u30dd\u30fc\u30c8\u304c\u8a31\u53ef\u3055\u308c\u307e\u3059\u3002<\/p>\n<p class=\"well2\"><strong>$ sudo ufw allow 22<\/strong><\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter size-full wp-image-4091\" src=\"http:\/\/blog.miraiserver.ne.jp\/wp-content\/uploads\/2023\/06\/\u753b\u50cf4.webp\" alt=\"\" width=\"602\" height=\"201\" srcset=\"https:\/\/blog.miraiserver.ne.jp\/wp-content\/uploads\/2023\/06\/\u753b\u50cf4.webp 602w, https:\/\/blog.miraiserver.ne.jp\/wp-content\/uploads\/2023\/06\/\u753b\u50cf4-300x100.webp 300w\" sizes=\"(max-width: 602px) 100vw, 602px\" \/><\/p>\n<p>\u307e\u305f\u3001\u9023\u7d9a\u3057\u305f\u30dd\u30fc\u30c8\u3092\u6307\u5b9a\u3059\u308b\u3053\u3068\u3082\u53ef\u80fd\u3067\u3059\u3002<\/p>\n<p>\u4ee5\u4e0b\u306e\u30b3\u30de\u30f3\u30c9\u3067\u306f\u300110000\uff5e10200\u30dd\u30fc\u30c8\u306e\u901a\u4fe1\u3092\u8a31\u53ef\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u8907\u6570\u306e\u30dd\u30fc\u30c8\u3092\u6307\u5b9a\u3059\u308b\u5834\u5408\u306f\u3001\u30d7\u30ed\u30c8\u30b3\u30eb\uff08TCP\u307e\u305f\u306fUDP\uff09\u3069\u3061\u3089\u304b\u3092\u6307\u5b9a\u3057\u306a\u3044\u3068\u30a8\u30e9\u30fc\u306b\u306a\u308a\u307e\u3059\u306e\u3067\u6ce8\u610f\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<p class=\"well2\"><strong>$ sudo ufw allow 10000:10200\/tcp<\/strong><\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter size-full wp-image-4092\" src=\"http:\/\/blog.miraiserver.ne.jp\/wp-content\/uploads\/2023\/06\/\u753b\u50cf5.webp\" alt=\"\" width=\"602\" height=\"273\" srcset=\"https:\/\/blog.miraiserver.ne.jp\/wp-content\/uploads\/2023\/06\/\u753b\u50cf5.webp 602w, https:\/\/blog.miraiserver.ne.jp\/wp-content\/uploads\/2023\/06\/\u753b\u50cf5-300x136.webp 300w\" sizes=\"(max-width: 602px) 100vw, 602px\" \/><\/p>\n<h3 class=\"styled_h3\"><span id=\"i-3\">\u30eb\u30fc\u30eb\u306e\u524a\u9664\uff08\u30dd\u30fc\u30c8\u6307\u5b9a\uff09<\/span><\/h3>\n<p>\u8ffd\u52a0\u3057\u305f\u30eb\u30fc\u30eb\u3092\u524a\u9664\u3057\u305f\u3044\u5834\u5408\u306f\u3001\u4ee5\u4e0b\u306e\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3057\u307e\u3059\u3002<\/p>\n<p class=\"well2\"><strong>$ sudo ufw delete allow 22<\/strong><\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter size-full wp-image-4093\" src=\"http:\/\/blog.miraiserver.ne.jp\/wp-content\/uploads\/2023\/06\/\u753b\u50cf6.webp\" alt=\"\" width=\"602\" height=\"109\" srcset=\"https:\/\/blog.miraiserver.ne.jp\/wp-content\/uploads\/2023\/06\/\u753b\u50cf6.webp 602w, https:\/\/blog.miraiserver.ne.jp\/wp-content\/uploads\/2023\/06\/\u753b\u50cf6-300x54.webp 300w\" sizes=\"(max-width: 602px) 100vw, 602px\" \/><\/p>\n<p>\u3053\u306e\u3088\u3046\u306a\u5f62\u3067\u300c\u4f7f\u7528\u3059\u308b\u30dd\u30fc\u30c8\u306e\u307f\u901a\u4fe1\u3092\u8a31\u53ef\u300d\u3059\u308b\u8a2d\u5b9a\u3092\u8ffd\u52a0\u3057\u3066\u3044\u3051\u3070\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u9ad8\u3081\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u307e\u305f\u3001\u4f7f\u7528\u3057\u306a\u304f\u306a\u3063\u305f\u3089\u30eb\u30fc\u30eb\u3092\u524a\u9664\u3057\u3066\u901a\u4fe1\u3092\u906e\u65ad\u3059\u308b\u3088\u3046\u306b\u3057\u3066\u304a\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n<p>\u904b\u7528\u3057\u3066\u3044\u304f\u3068\u30011\u5ea6\u901a\u4fe1\u3092\u8a31\u53ef\u3057\u305f\u5f8c\u3001\u305d\u306e\u307e\u307e\u306b\u3057\u3066\u3057\u307e\u3046\u3053\u3068\u3082\u3042\u308b\u3067\u3057\u3087\u3046\u3002<\/p>\n<p>\u305d\u306e\u3088\u3046\u306a\u30dd\u30fc\u30c8\u304c\u5897\u3048\u308b\u3068\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u30ea\u30b9\u30af\u3068\u306a\u308a\u307e\u3059\u306e\u3067\u3001\u5b9a\u671f\u7684\u306b\u898b\u76f4\u3059\u3053\u3068\u304c\u5927\u5207\u3067\u3059\u3002<\/p>\n<h3 class=\"styled_h3\"><span id=\"IP\">\u30eb\u30fc\u30eb\u306e\u8ffd\u52a0\uff08\u9001\u4fe1\u5143IP\u30a2\u30c9\u30ec\u30b9\u6307\u5b9a\uff09<\/span><\/h3>\n<p>\u7279\u5b9a\u306e\u30db\u30b9\u30c8\u304b\u3089\u306e\u901a\u4fe1\u3092\u5168\u30dd\u30fc\u30c8\u8a31\u53ef\u3057\u305f\u3044\u5834\u5408\u3001IP\u30a2\u30c9\u30ec\u30b9\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002<\/p>\n<p>\u4ee5\u4e0b\u306e\u4f8b\u3067\u306f\u3001\u9001\u4fe1\u5143192.168.0.1\/32\u304b\u3089\u306e\u901a\u4fe1\u3092\u8a31\u53ef\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p class=\"well2\"><strong>$ sudo ufw allow from 192.168.0.1\/32<\/strong><\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter size-full wp-image-4094\" src=\"http:\/\/blog.miraiserver.ne.jp\/wp-content\/uploads\/2023\/06\/\u753b\u50cf7.webp\" alt=\"\" width=\"602\" height=\"183\" srcset=\"https:\/\/blog.miraiserver.ne.jp\/wp-content\/uploads\/2023\/06\/\u753b\u50cf7.webp 602w, https:\/\/blog.miraiserver.ne.jp\/wp-content\/uploads\/2023\/06\/\u753b\u50cf7-300x91.webp 300w\" sizes=\"(max-width: 602px) 100vw, 602px\" \/><\/p>\n<p>\u300c\/32\u300d\u306f\u30b5\u30d6\u30cd\u30c3\u30c8\u30de\u30b9\u30af\u3092\u6307\u5b9a\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\/32\u3067\u3059\u3068\u3001\u305d\u306eIP\u30a2\u30c9\u30ec\u30b9\u304c\u8a2d\u5b9a\u3055\u308c\u305f\u7279\u5b9a\u30db\u30b9\u30c8\u3067\u30eb\u30fc\u30eb\u304c\u8a2d\u5b9a\u3055\u308c\u307e\u3059\u304c\u3001\u300c\/16\u300d\u300c\/24\u300d\u7b49\u8a2d\u5b9a\u3059\u308c\u3070\u3001\u305d\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5e2f\u306b\u542b\u307e\u308c\u308b\u3059\u3079\u3066\u306e\u30db\u30b9\u30c8\u304c\u5bfe\u8c61\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u3064\u307e\u308a\u3001\u8907\u6570\u306e\u30db\u30b9\u30c8\u304b\u3089\u306e\u5168\u3066\u306e\u901a\u4fe1\u3092\u8a31\u53ef\u3059\u308b\u3053\u3068\u3082\u53ef\u80fd\u3067\u3059\u3002<\/p>\n<h3 class=\"styled_h3\"><span id=\"IP-2\">\u30eb\u30fc\u30eb\u306e\u524a\u9664\uff08\u9001\u4fe1\u5143IP\u30a2\u30c9\u30ec\u30b9\u6307\u5b9a\uff09<\/span><\/h3>\n<p>\u8ffd\u52a0\u3057\u305f\u30eb\u30fc\u30eb\u3092\u524a\u9664\u3057\u305f\u3044\u5834\u5408\u306f\u3001\u4ee5\u4e0b\u306e\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3057\u307e\u3059\u3002<\/p>\n<p class=\"well2\"><strong>$ sudo ufw delete allow from 192.168.0.1\/32<\/strong><\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter size-full wp-image-4095\" src=\"http:\/\/blog.miraiserver.ne.jp\/wp-content\/uploads\/2023\/06\/\u753b\u50cf8.webp\" alt=\"\" width=\"602\" height=\"92\" srcset=\"https:\/\/blog.miraiserver.ne.jp\/wp-content\/uploads\/2023\/06\/\u753b\u50cf8.webp 602w, https:\/\/blog.miraiserver.ne.jp\/wp-content\/uploads\/2023\/06\/\u753b\u50cf8-300x46.webp 300w\" sizes=\"(max-width: 602px) 100vw, 602px\" \/><\/p>\n<p>\u9001\u4fe1\u5143IP\u30a2\u30c9\u30ec\u30b9\u3092\u6307\u5b9a\u3059\u308b\u3053\u3068\u3067\u3001\u3088\u308a\u591a\u304f\u306e\u30db\u30b9\u30c8\u306b\u5bfe\u3057\u3066\u8a2d\u5b9a\u3092\u884c\u3046\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u8a2d\u5b9a\u3092\u8aa4\u3063\u3066\u3057\u307e\u3046\u3068\u3001\u60f3\u5b9a\u5916\u306e\u30db\u30b9\u30c8\u304b\u3089\u306e\u901a\u4fe1\u3092\u8a31\u53ef\u3057\u3066\u3057\u307e\u3046\u3053\u3068\u306b\u306a\u308b\u306e\u3067\u3001\u8a2d\u5b9a\u306b\u306f\u5341\u5206\u6c17\u3092\u3064\u3051\u307e\u3057\u3087\u3046\u3002<\/p>\n<p><a href=\"https:\/\/www.miraiserver.ne.jp\/?utm_source=article-other&amp;utm_medium=referral&amp;utm_campaign=miraiserver\" target=\"_blank\" rel=\"noopener\"><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-117 size-full\" src=\"http:\/\/blog.miraiserver.ne.jp\/wp-content\/uploads\/2022\/08\/02_728x90_a.png\" alt=\"Unix\u7cfbOS\u5c02\u9580\u306e\u30db\u30b9\u30c6\u30a3\u30f3\u30b0\u30b5\u30fc\u30d3\u30b9\u300c\u30df\u30e9\u30a4\u30b5\u30fc\u30d0\u30fc\u300d\" width=\"728\" height=\"90\" srcset=\"https:\/\/blog.miraiserver.ne.jp\/wp-content\/uploads\/2022\/08\/02_728x90_a.png 728w, https:\/\/blog.miraiserver.ne.jp\/wp-content\/uploads\/2022\/08\/02_728x90_a-300x37.png 300w, https:\/\/blog.miraiserver.ne.jp\/wp-content\/uploads\/2022\/08\/02_728x90_a-640x79.png 640w\" sizes=\"(max-width: 728px) 100vw, 728px\" \/><\/a><\/p>\n<h2 class=\"styled_h2\"><span id=\"ufw-4\">ufw\u8a2d\u5b9a\u306e\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u3068\u30ea\u30b9\u30c8\u30a2<\/span><\/h2>\n<p>ufw\u306e\u8a2d\u5b9a\u5185\u5bb9\u306f\u30d5\u30a1\u30a4\u30eb\u3067\u7ba1\u7406\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u305d\u306e\u30d5\u30a1\u30a4\u30eb\u3092\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u3059\u308c\u3070\u3001\u8ffd\u52a0\u3057\u305f\u8a2d\u5b9a\u3092\u4fdd\u5b58\u3057\u3066\u304a\u304f\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>IPv4\u3068IPv6\u306f\u5225\u30d5\u30a1\u30a4\u30eb\u306b\u4fdd\u5b58\u3055\u308c\u3066\u3044\u307e\u3059\u306e\u3067\u3001\u305d\u308c\u305e\u308c\u306e\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u3092\u5fd8\u308c\u306a\u3044\u3088\u3046\u306b\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<p class=\"well2\"><span style=\"color: #3366ff;\">\u8a2d\u5b9a\u30d5\u30a1\u30a4\u30eb\u306e\u4fdd\u5b58\u5834\u6240<\/span><br \/>\n\/etc\/ufw\/user.rules\u3000\u3000\u3000<span style=\"color: #3366ff;\">\u203bIPv4\u306e\u8a2d\u5b9a<\/span><br \/>\n\/etc\/ufw\/user6.rules\u3000\u3000<span style=\"color: #3366ff;\"> \u203bIPv6\u306e\u8a2d\u5b9a<\/span><\/p>\n<p>\u9006\u306b\u3001\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u3057\u305f\u30d5\u30a1\u30a4\u30eb\u3067\u7f6e\u304d\u63db\u3048\u308c\u3070\u3001\u8a2d\u5b9a\u3092\u623b\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u8a2d\u5b9a\u3092\u623b\u3059\u3068\u304d\u306f\u3001\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u3057\u305f\u30d5\u30a1\u30a4\u30eb\u3092\u7f6e\u304d\u63db\u3048\u305f\u3042\u3068\u3001\u4ee5\u4e0b\u306e\u30b3\u30de\u30f3\u30c9\u3067\u8a2d\u5b9a\u3092\u30ea\u30ed\u30fc\u30c9\u3057\u3066\u53cd\u6620\u3057\u307e\u3059\u3002<\/p>\n<p class=\"well2\"><strong>$ sudo ufw reload<\/strong><\/p>\n<p><a href=\"https:\/\/www.miraiserver.ne.jp\/?utm_source=article-other&amp;utm_medium=referral&amp;utm_campaign=miraiserver\" target=\"_blank\" rel=\"noopener\"><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-117 size-full\" src=\"http:\/\/blog.miraiserver.ne.jp\/wp-content\/uploads\/2022\/08\/02_728x90_a.png\" alt=\"Unix\u7cfbOS\u5c02\u9580\u306e\u30db\u30b9\u30c6\u30a3\u30f3\u30b0\u30b5\u30fc\u30d3\u30b9\u300c\u30df\u30e9\u30a4\u30b5\u30fc\u30d0\u30fc\u300d\" width=\"728\" height=\"90\" srcset=\"https:\/\/blog.miraiserver.ne.jp\/wp-content\/uploads\/2022\/08\/02_728x90_a.png 728w, https:\/\/blog.miraiserver.ne.jp\/wp-content\/uploads\/2022\/08\/02_728x90_a-300x37.png 300w, https:\/\/blog.miraiserver.ne.jp\/wp-content\/uploads\/2022\/08\/02_728x90_a-640x79.png 640w\" sizes=\"(max-width: 728px) 100vw, 728px\" \/><\/a><\/p>\n<h2 class=\"styled_h2\"><span id=\"i-4\">\u307e\u3068\u3081<\/span><\/h2>\n<p>\u4eca\u56de\u306fUbuntu\u306b\u6a19\u6e96\u3067\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3055\u308c\u3066\u3044\u308bufw\u306e\u8a2d\u5b9a\u65b9\u6cd5\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u307e\u3057\u305f\u3002<\/p>\n<p>\u7279\u5b9a\u306e\u30dd\u30fc\u30c8\u3084IP\u30a2\u30c9\u30ec\u30b9\u3001\u30a4\u30f3\u30bf\u30d5\u30a7\u30fc\u30b9\u306e\u307f\u901a\u4fe1\u3092\u8a31\u53ef\u3059\u308b\u3053\u3068\u306b\u3088\u3063\u3066\u3001\u5916\u90e8\u304b\u3089\u306e\u653b\u6483\u3084\u4e0d\u8981\u306a\u901a\u4fe1\u304b\u3089\u30b5\u30fc\u30d0\u30fc\u3092\u5b88\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u5f37\u5316\u3059\u308b\u305f\u3081\u306b\u91cd\u8981\u306a\u6a5f\u80fd\u3067\u3059\u306e\u3067\u3001\u305c\u3072\u8a2d\u5b9a\u65b9\u6cd5\u3092\u7406\u89e3\u3057\u3001\u6271\u3048\u308b\u3088\u3046\u306b\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<h2 class=\"styled_h2\"><span id=\"UbuntuVPS\">Ubuntu\u3092VPS\u3067\u5229\u7528\u3059\u308b\u306a\u3089\u30df\u30e9\u30a4\u30b5\u30fc\u30d0\u30fc<\/span><\/h2>\n<p><a href=\"https:\/\/www.miraiserver.ne.jp\/?utm_source=article-other&amp;utm_medium=referral&amp;utm_campaign=miraiserver\" target=\"_blank\" rel=\"noopener\"><strong>\u30df\u30e9\u30a4\u30b5\u30fc\u30d0\u30fc<\/strong><\/a>\u306f\u3001\u30a2\u30b7\u30b9\u30c8\u30a2\u30c3\u30d7\u682a\u5f0f\u4f1a\u793e\u304c\u63d0\u4f9b\u3057\u3066\u3044\u308b\u3001<strong>Unix\u7cfb\u30b5\u30fc\u30d0\u30fc<\/strong>\u306b\u7279\u5316\u3057\u305f\u30db\u30b9\u30c6\u30a3\u30f3\u30b0\u30b5\u30fc\u30d3\u30b9\u3067\u3059\u3002<\/p>\n<p><span class=\"q_underline q_underline1\" style=\"border-bottom-color: #fff799;\"><a href=\"https:\/\/www.miraiserver.ne.jp\/?utm_source=article-other&amp;utm_medium=referral&amp;utm_campaign=miraiserver\" target=\"_blank\" rel=\"noopener\"><strong>\u30df\u30e9\u30a4\u30b5\u30fc\u30d0\u30fc\u306eVPS<\/strong><\/a>\u3067\u306f\u3001<strong>\u9ad8\u901f\u51e6\u7406\u304c\u53ef\u80fd\u306aSSD<\/strong>\u3092<strong>\u5168\u30d7\u30e9\u30f3\u306b\u642d\u8f09<\/strong>\u3057\u3066\u3044\u307e\u3059\u3002<\/span><\/p>\n<p><span class=\"q_underline q_underline2\" style=\"border-bottom-color: #99f9ff;\">OS\u306f\u3001<b>Ubuntu<\/b>\u3084<b>Debian<\/b>\u3001<b>AlmaLinux<\/b>\u306a\u3069\u306e\u8c4a\u5bcc\u306a\u30e9\u30a4\u30f3\u30a2\u30c3\u30d7\u304b\u3089\u9078\u629e\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/span><\/p>\n<p><a href=\"https:\/\/www.miraiserver.ne.jp\/?utm_source=article-other&amp;utm_medium=referral&amp;utm_campaign=miraiserver\" target=\"_blank\" rel=\"noopener\"><strong>2\u9031\u9593\u7121\u6599\u30c8\u30e9\u30a4\u30a2\u30eb<\/strong><\/a>\u3092\u5b9f\u65bd\u3057\u3066\u304a\u308a\u307e\u3059\u306e\u3067\u3001\u307e\u305a\u306f\u304a\u6c17\u8efd\u306b\u304a\u8a66\u3057\u304f\u3060\u3055\u3044\u3002<\/p>\n<p style=\"text-align: center;\"><a href=\"https:\/\/www.miraiserver.ne.jp\/\" target=\"_blank\" rel=\"noopener\">\u25bc\u30df\u30e9\u30a4\u30b5\u30fc\u30d0\u30fc\u306b\u3064\u3044\u3066\u306f\u3053\u3061\u3089\u25bc<\/a><a href=\"https:\/\/www.miraiserver.ne.jp\/?utm_source=article-other&amp;utm_medium=referral&amp;utm_campaign=miraiserver\" target=\"_blank\" rel=\"noopener\"><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-111 size-full\" src=\"http:\/\/blog.miraiserver.ne.jp\/wp-content\/uploads\/2022\/08\/02_336x280_a.png\" alt=\"Unix\u7cfbOS\u5c02\u9580\u306e\u30db\u30b9\u30c6\u30a3\u30f3\u30b0\u30b5\u30fc\u30d3\u30b9\u300c\u30df\u30e9\u30a4\u30b5\u30fc\u30d0\u30fc\u300d\" width=\"336\" height=\"280\" srcset=\"https:\/\/blog.miraiserver.ne.jp\/wp-content\/uploads\/2022\/08\/02_336x280_a.png 336w, https:\/\/blog.miraiserver.ne.jp\/wp-content\/uploads\/2022\/08\/02_336x280_a-300x250.png 300w\" sizes=\"(max-width: 336px) 100vw, 336px\" \/><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"\u672c\u8a18\u4e8b\u3067\u306f\u3001ufw\u306e\u8a2d\u5b9a\u65b9\u6cd5\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u307e\u3059\u3002 Linux\u306b\u306f\u3001\u4e0d\u8981\u306a\u901a\u4fe1\u3092\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u3059\u308b\u30c4\u30fc\u30eb\u300ciptables\u300d\u304c\u4f7f\u308f\u308c\u3066\u3044\u307e\u3059\u3002 Ubuntu\u306b\u306f\u3001\u30d0\u30fc\u30b8\u30e7\u30f38.04 LTS\u4ee5\u964d\u3001\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u30c4\u30fc\u30eb\u300cufw\uff08Uncomplicated FireWall\uff09\u300d\u304c\u65b0\u305f\u306b\u6a19\u6e96\u3067\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3055\u308c\u307e\u3057\u305f\u3002 ufw\u306fiptables\u306e\u30b7\u30f3\u30d7\u30eb\u306a\u30d5\u30ed\u30f3\u30c8\u30a8\u30f3\u30c9\u30c4\u30fc\u30eb\u3067\u3001ufw\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067iptables\u3092\u7c21\u5358\u306b\u8a2d\u5b9a\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u3001\u30b7\u30b9\u30c6\u30e0\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u5411\u4e0a\u3055\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002 \u305d\u306e\u8a2d\u5b9a\u65b9\u6cd5\u306b\u3064\u3044\u3066\u3001\u5177\u4f53\u7684\u306b\u3054\u8aac\u660e\u3057\u3066\u3044\u304d\u307e\u3059\u3002 \u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u5f37\u5316\u3059\u308b\u305f\u3081\u306b\u91cd\u8981\u306a\u6a5f\u80fd\u3067\u3059\u306e\u3067\u3001\u672c\u8a18\u4e8b\u3092\u53c2\u8003\u306b\u305c\u3072\u8a2d\u5b9a\u65b9\u6cd5\u3092\u7406\u89e3\u3057\u3001\u6271\u3048\u308b\u3088\u3046\u306b\u3057\u3066\u304f\u3060\u3055\u3044\u3002 Ubuntu\u3092VPS\u3067\u5229\u7528\u3059\u308b\u306a\u3089 \u30df\u30e9\u30a4\u30b5\u30fc\u30d0\u30fc \uff3c2\u9031\u9593\u7121\u6599\u30fb\u5168\u30d7\u30e9\u30f3SSD\u642d\u8f09\uff0f \u30df\u30e9\u30a4\u30b5\u30fc\u30d0\u30fc\u3092\u7121\u6599\u3067\u8a66\u3059 \u76ee\u6b211 ufw\u306e\u7ba1\u74061.1 \u524d\u63d0\u6761\u4ef61.2 ufw\u306e\u7ba1\u74062 ufw\u306e\u8a2d\u5b9a2.1 \u30eb\u30fc\u30eb\u306e\u8ffd\u52a0\uff08\u30dd\u30fc\u30c8\u6307\u5b9a\uff092.2 \u30eb\u30fc\u30eb\u306e\u524a\u9664\uff08\u30dd\u30fc\u30c8\u6307\u5b9a\uff092.3 \u30eb\u30fc\u30eb\u306e\u8ffd\u52a0\uff08\u9001\u4fe1\u5143IP\u30a2\u30c9\u30ec\u30b9\u6307\u5b9a\uff092.4 \u30eb\u30fc\u30eb\u306e\u524a\u9664\uff08\u9001\u4fe1\u5143IP\u30a2\u30c9\u30ec\u30b9\u6307\u5b9a\uff093 ufw\u8a2d\u5b9a\u306e\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u3068\u30ea\u30b9\u30c8\u30a24 \u307e\u3068\u30815 Ubuntu\u3092VPS\u3067\u5229\u7528\u3059\u308b\u306a\u3089\u30df\u30e9\u30a4\u30b5\u30fc\u30d0\u30fc ufw\u306e\u7ba1\u7406 \u524d\u63d0\u6761\u4ef6 \u4eca\u56de\u306f\u3001\u4eee\u60f3\u30de\u30b7\u30f3\u4e0a\u306b\u69cb\u7bc9\u3055\u308c\u305fUbuntu\u3092\u4f7f\u7528\u3057\u3066\u3044\u307e\u3059\u3002 \u4eee\u60f3\u30de\u30b7\u30f3\u306e\u30b9\u30da\u30c3\u30af\u306f\u4ee5\u4e0b\u306e\u3068\u304a\u308a\u3067\u3059\u3002 CPU\uff1a2vCPU Memory\uff1a4GB Disk\uff1a50GB Ubuntu\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\uff1aUbuntu 22.04.2 LTS \u307e\u305f\u3001\u30b3\u30de\u30f3\u30c9\u306e\u6a19\u8a18\u306b\u3064\u3044\u3066\u306f\u3001\u5b9f\u969b\u306b\u5165\u529b\u3059\u308b\u30b3\u30de\u30f3\u30c9\u3092\u592a\u5b57\u3001\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u5f8c\u306b\u5165\u529b\u3092\u6c42\u3081\u3089\u308c\u308b\u7b87\u6240\u306b\u3064\u3044\u3066\u306f\u8d64\u5b57\u3001\u88dc\u8db3\u306e\u5185\u5bb9\u3092\u9752\u5b57\u3067\u8a18\u8f09\u3057\u3066\u3044\u307e\u3059\u3002 ufw\u306e\u7ba1\u7406 \u6700\u521d\u306b\u3001ufw\u3092\u4f7f\u7528\u3059\u308b\u305f\u3081\u306e\u57fa\u672c\u7684\u306a\u30b3\u30de\u30f3\u30c9\u306b\u3064\u3044\u3066\u7d39\u4ecb\u3057\u307e\u3059\u3002 \u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u305f\u76f4\u5f8c\u306fufw\u304c\u8d77\u52d5\u3057\u305f\u72b6\u614b\u3067\u3059\u304c\u3001\u505c\u6b62\u3084\u8d77\u52d5\u3001\u81ea\u52d5\u8d77\u52d5\u306e\u8a2d\u5b9a\u3092\u884c\u3044\u305f\u3044\u5834\u5408\u306f\u3001\u4ee5\u4e0b\u306e\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3057\u307e\u3059\u3002 ufw\u306f\u3001\u6700\u521d\u304b\u3089\u30c7\u30fc\u30e2\u30f3\u304c\u8d77\u52d5\u3057\u3066\u3044\u308b\u72b6\u614b\u3067\u3059\u304c\u3001\u8a2d\u5b9a\u3068\u3057\u3066\u306f\u7121\u52b9\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002 ufw\u30c7\u30fc\u30e2\u30f3\u306e\u72b6\u614b\u78ba\u8a8d $ sudo su ufw\u30c7\u30fc\u30e2\u30f3\u306e\u8a2d\u5b9a\u78ba\u8a8d $ sudo ufw status verbose \u6b21\u306e\u30b3\u30de\u30f3\u30c9\u3067\u8a2d\u5b9a\u3092\u6709\u52b9\u306b\u3057\u307e\u3059\u3002 ufw\u306e\u6709\u52b9\u5316 $ sudo ufw enable [&hellip;]","protected":false},"author":1,"featured_media":4087,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[188,190,4],"tags":[22,67,183,184],"_links":{"self":[{"href":"https:\/\/www.miraiserver.ne.jp\/column\/wp-json\/wp\/v2\/posts\/927"}],"collection":[{"href":"https:\/\/www.miraiserver.ne.jp\/column\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.miraiserver.ne.jp\/column\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.miraiserver.ne.jp\/column\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.miraiserver.ne.jp\/column\/wp-json\/wp\/v2\/comments?post=927"}],"version-history":[{"count":6,"href":"https:\/\/www.miraiserver.ne.jp\/column\/wp-json\/wp\/v2\/posts\/927\/revisions"}],"predecessor-version":[{"id":4097,"href":"https:\/\/www.miraiserver.ne.jp\/column\/wp-json\/wp\/v2\/posts\/927\/revisions\/4097"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.miraiserver.ne.jp\/column\/wp-json\/wp\/v2\/media\/4087"}],"wp:attachment":[{"href":"https:\/\/www.miraiserver.ne.jp\/column\/wp-json\/wp\/v2\/media?parent=927"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.miraiserver.ne.jp\/column\/wp-json\/wp\/v2\/categories?post=927"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.miraiserver.ne.jp\/column\/wp-json\/wp\/v2\/tags?post=927"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}