{"id":250,"date":"2022-10-29T08:21:18","date_gmt":"2023-03-15T17:50:18","guid":{"rendered":"https:\/\/www.silicloud.com\/ja\/blog\/index.php\/2023\/11\/30\/debian-10%e3%81%ab%e3%81%8a%e3%81%84%e3%81%a6ufw%e3%82%92%e4%bd%bf%e7%94%a8%e3%81%97%e3%81%a6%e3%83%95%e3%82%a1%e3%82%a4%e3%82%a2%e3%82%a6%e3%82%a9%e3%83%bc%e3%83%ab%e3%82%92%e3%82%bb%e3%83%83\/"},"modified":"2025-07-31T22:00:32","modified_gmt":"2025-07-31T13:00:32","slug":"debian-10%e3%81%ab%e3%81%8a%e3%81%84%e3%81%a6ufw%e3%82%92%e4%bd%bf%e7%94%a8%e3%81%97%e3%81%a6%e3%83%95%e3%82%a1%e3%82%a4%e3%82%a2%e3%82%a6%e3%82%a9%e3%83%bc%e3%83%ab%e3%82%92%e3%82%bb%e3%83%83","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/ja\/blog\/debian-10%e3%81%ab%e3%81%8a%e3%81%84%e3%81%a6ufw%e3%82%92%e4%bd%bf%e7%94%a8%e3%81%97%e3%81%a6%e3%83%95%e3%82%a1%e3%82%a4%e3%82%a2%e3%82%a6%e3%82%a9%e3%83%bc%e3%83%ab%e3%82%92%e3%82%bb%e3%83%83\/","title":{"rendered":"Debian 10\u306b\u304a\u3044\u3066UFW\u3092\u4f7f\u7528\u3057\u3066\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u3092\u30bb\u30c3\u30c8\u30a2\u30c3\u30d7\u306e\u65b9\u6cd5"},"content":{"rendered":"<h3>\u30a4\u30f3\u30c8\u30ed\u30c0\u30af\u30b7\u30e7\u30f3<\/h3>\n<p>UFW\u3001\u307e\u305f\u306fUncomplicated Firewall\u306f\u3001iptables\u3084nftables\u306a\u3069\u306e\u3088\u308a\u4f4e\u30ec\u30d9\u30eb\u306e\u30d1\u30b1\u30c3\u30c8\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u6280\u8853\u306e\u8907\u96d1\u3055\u3092\u96a0\u3059\u7c21\u7565\u5316\u3055\u308c\u305f\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u7ba1\u7406\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3067\u3059\u3002\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u59cb\u3081\u305f\u3044\u304c\u3001\u3069\u306e\u30c4\u30fc\u30eb\u3092\u4f7f\u7528\u3059\u3079\u304d\u304b\u308f\u304b\u3089\u306a\u3044\u5834\u5408\u3001UFW\u304c\u9069\u5207\u306a\u9078\u629e\u80a2\u3068\u306a\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002<\/p>\n<p>\u3053\u306e\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u3067\u306f\u3001Debian 10\u4e0a\u3067UFW\u3092\u4f7f\u7528\u3057\u3066\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u3092\u30bb\u30c3\u30c8\u30a2\u30c3\u30d7\u3059\u308b\u65b9\u6cd5\u3092\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n<h2>\u524d\u63d0\u6761\u4ef6<\/h2>\n<p>\u3053\u306e\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u306b\u5f93\u3046\u306b\u306f\u3001sudo\u3092\u4f7f\u7528\u3067\u304d\u308b\u975e\u30eb\u30fc\u30c8\u30e6\u30fc\u30b6\u30fc\u3092\u6301\u3064Debian 10\u30b5\u30fc\u30d0\u30fc\u304c1\u53f0\u5fc5\u8981\u3067\u3059\u3002Debian 10\u306e\u521d\u671f\u30b5\u30fc\u30d0\u30fc\u30bb\u30c3\u30c8\u30a2\u30c3\u30d7\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u306e\u30b9\u30c6\u30c3\u30d71\u304b\u30893\u306b\u5f93\u3063\u3066\u8a2d\u5b9a\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<h2>\u30b9\u30c6\u30c3\u30d71 &#8211; UFW\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb<\/h2>\n<p>\u30c7\u30d3\u30a2\u30f3\u3067\u306f\u30c7\u30d5\u30a9\u30eb\u30c8\u3067UFW\u306f\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3055\u308c\u307e\u305b\u3093\u3002\u3082\u3057\u3082\u3001\u521d\u671f\u30b5\u30fc\u30d0\u30fc\u30bb\u30c3\u30c8\u30a2\u30c3\u30d7\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u3092\u5b8c\u5168\u306b\u5b9f\u884c\u3057\u305f\u5834\u5408\u3001UFW\u304c\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u304a\u3088\u3073\u6709\u52b9\u5316\u3055\u308c\u3066\u3044\u308b\u306f\u305a\u3067\u3059\u3002\u3082\u3057\u3057\u3066\u3044\u306a\u3044\u5834\u5408\u306f\u3001apt\u3092\u4f7f\u7528\u3057\u3066\u4eca\u3059\u3050\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\"><span class=\"token function\">sudo<\/span> <span class=\"token function\">apt<\/span> <span class=\"token function\">install<\/span> ufw<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u4ee5\u4e0b\u306e\u624b\u9806\u3067UFW\u3092\u8a2d\u5b9a\u3057\u3001\u6709\u52b9\u306b\u3057\u307e\u3059\u3002<\/p>\n<h2>\u30b9\u30c6\u30c3\u30d72 \u2014 UFW\u3092\u4f7f\u7528\u3057\u305fIPv6\u306e\u8a2d\u5b9a\uff08\u30aa\u30d7\u30b7\u30e7\u30f3\uff09<\/h2>\n<p>\u3053\u306e\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u306fIPv4\u3092\u524d\u63d0\u3068\u3057\u3066\u66f8\u304b\u308c\u3066\u3044\u307e\u3059\u304c\u3001IPv6\u3082\u6709\u52b9\u306b\u3059\u308b\u5834\u5408\u306b\u3082\u52d5\u4f5c\u3057\u307e\u3059\u3002Debian\u30b5\u30fc\u30d0\u30fc\u306bIPv6\u304c\u6709\u52b9\u306b\u306a\u3063\u3066\u3044\u308b\u5834\u5408\u306f\u3001UFW\u304cIPv6\u3092\u30b5\u30dd\u30fc\u30c8\u3059\u308b\u3088\u3046\u306b\u8a2d\u5b9a\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001UFW\u306fIPv4\u306b\u52a0\u3048\u3066IPv6\u306e\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u30eb\u30fc\u30eb\u3092\u7ba1\u7406\u3059\u308b\u3053\u3068\u304c\u4fdd\u8a3c\u3055\u308c\u307e\u3059\u3002\u3053\u306e\u8a2d\u5b9a\u3092\u884c\u3046\u306b\u306f\u3001nano\u307e\u305f\u306f\u304a\u6c17\u306b\u5165\u308a\u306e\u30a8\u30c7\u30a3\u30bf\u3067UFW\u306e\u8a2d\u5b9a\u30d5\u30a1\u30a4\u30eb\u3067\u3042\u308b\/etc\/default\/ufw\u3092\u958b\u3044\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\"><span class=\"token function\">sudo<\/span> <span class=\"token function\">nano<\/span> \/etc\/default\/ufw<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u30d5\u30a1\u30a4\u30eb\u5185\u3067IPV6\u3092\u898b\u3064\u3051\u3066\u3001\u305d\u306e\u5024\u304c\u300c\u306f\u3044\u300d\u3067\u3042\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<div>\/etc\/default\/ufw\u306e\u629c\u7c8b<\/div>\n<pre class=\"post-pre\"><code>IPV6=<mark>yes<\/mark>\r\n<\/code><\/pre>\n<p>\u30d5\u30a1\u30a4\u30eb\u3092\u4fdd\u5b58\u3057\u3066\u9589\u3058\u3066\u304f\u3060\u3055\u3044\u3002\u3082\u3057 nano \u3092\u4f7f\u3063\u3066\u3044\u308b\u5834\u5408\u306f\u3001CTRL+X\u3001Y\u3001ENTER \u306e\u9806\u306b\u62bc\u3057\u3066\u30d5\u30a1\u30a4\u30eb\u3092\u4fdd\u5b58\u3057\u3066\u7d42\u4e86\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p>\u73fe\u5728\u3001UFW\u304c\u6709\u52b9\u306b\u306a\u308b\u3068\u3001IPv4\u304a\u3088\u3073IPv6\u306e\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u30eb\u30fc\u30eb\u304c\u8a2d\u5b9a\u3055\u308c\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002\u305f\u3060\u3057\u3001UFW\u3092\u6709\u52b9\u306b\u3059\u308b\u524d\u306b\u3001SSH\u7d4c\u7531\u3067\u63a5\u7d9a\u3067\u304d\u308b\u3088\u3046\u306b\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u304c\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u307e\u305a\u3001\u30c7\u30d5\u30a9\u30eb\u30c8\u306e\u30dd\u30ea\u30b7\u30fc\u3092\u8a2d\u5b9a\u3059\u308b\u3053\u3068\u304b\u3089\u59cb\u3081\u307e\u3059\u3002<\/p>\n<h2>\u30b9\u30c6\u30c3\u30d73 \u2014 \u30c7\u30d5\u30a9\u30eb\u30c8\u30dd\u30ea\u30b7\u30fc\u306e\u8a2d\u5b9a<\/h2>\n<p>\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u3092\u59cb\u3081\u305f\u3070\u304b\u308a\u306e\u5834\u5408\u3001\u6700\u521d\u306b\u8a2d\u5b9a\u3059\u308b\u3079\u304d\u30eb\u30fc\u30eb\u306f\u30c7\u30d5\u30a9\u30eb\u30c8\u30dd\u30ea\u30b7\u30fc\u3067\u3059\u3002\u3053\u308c\u3089\u306e\u30eb\u30fc\u30eb\u306f\u3001\u4ed6\u306e\u30eb\u30fc\u30eb\u306b\u660e\u793a\u7684\u306b\u4e00\u81f4\u3057\u306a\u3044\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u51e6\u7406\u3057\u307e\u3059\u3002\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u306f\u3001UFW\u306f\u3059\u3079\u3066\u306e\u7740\u4fe1\u63a5\u7d9a\u3092\u62d2\u5426\u3057\u3001\u3059\u3079\u3066\u306e\u9001\u4fe1\u63a5\u7d9a\u3092\u8a31\u53ef\u3059\u308b\u3088\u3046\u306b\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u3064\u307e\u308a\u3001\u30b5\u30fc\u30d0\u30fc\u306b\u30a2\u30af\u30bb\u30b9\u3092\u3057\u3088\u3046\u3068\u3059\u308b\u4eba\u306f\u63a5\u7d9a\u3067\u304d\u305a\u3001\u30b5\u30fc\u30d0\u30fc\u5185\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306f\u5916\u90e8\u306e\u4e16\u754c\u306b\u63a5\u7d9a\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u306b\u7d9a\u304f\u3053\u3068\u304c\u3067\u304d\u308b\u3088\u3046\u306b\u3001UFW\u306e\u30eb\u30fc\u30eb\u3092\u30c7\u30d5\u30a9\u30eb\u30c8\u306b\u623b\u3057\u3066\u304f\u3060\u3055\u3044\u3002UFW\u304c\u4f7f\u7528\u3059\u308b\u30c7\u30d5\u30a9\u30eb\u30c8\u3092\u8a2d\u5b9a\u3059\u308b\u306b\u306f\u3001\u6b21\u306e\u30b3\u30de\u30f3\u30c9\u3092\u4f7f\u7528\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\"><span class=\"token function\">sudo<\/span> ufw default deny incoming<\/li>\n<li data-prefix=\"$\"><span class=\"token function\">sudo<\/span> ufw default allow outgoing<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u51fa\u529b\u3092\u53d7\u3051\u53d6\u308a\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<div class=\"secondary-code-label\" title=\"Output\">Output<\/div>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>Default incoming policy changed to &#8216;deny&#8217; (be sure to update your rules accordingly) Default outgoing policy changed to &#8216;allow&#8217; (be sure to update your rules accordingly)<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u3053\u308c\u3089\u306e\u30b3\u30de\u30f3\u30c9\u306f\u3001\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u306e\u53d7\u4fe1\u306f\u62d2\u5426\u3057\u3001\u9001\u4fe1\u306f\u8a31\u53ef\u3059\u308b\u3088\u3046\u306b\u8a2d\u5b9a\u3057\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u306e\u30c7\u30d5\u30a9\u30eb\u30c8\u3060\u3051\u3067\u3082\u3001\u500b\u4eba\u7528\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u306b\u306f\u5341\u5206\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u304c\u3001\u30b5\u30fc\u30d0\u30fc\u306f\u901a\u5e38\u3001\u5916\u90e8\u30e6\u30fc\u30b6\u30fc\u304b\u3089\u306e\u53d7\u4fe1\u8981\u6c42\u306b\u5bfe\u5fdc\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u6b21\u306e\u30b9\u30c6\u30c3\u30d7\u3067\u3053\u306e\u30d7\u30ed\u30bb\u30b9\u3092\u958b\u59cb\u3057\u307e\u3059\u3002<\/p>\n<h2>\u30b9\u30c6\u30c3\u30d74 &#8211; SSH\u63a5\u7d9a\u3092\u8a31\u53ef\u3059\u308b<\/h2>\n<p>\u3042\u306a\u305f\u306eUFW\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u306f\u307e\u3060\u6709\u52b9\u306b\u3067\u304d\u307e\u305b\u3093\u3002\u306a\u305c\u306a\u3089\u3001\u30b5\u30fc\u30d0\u30fc\u3078\u306e\u30a2\u30af\u30bb\u30b9\u3092\u542b\u3080\u3059\u3079\u3066\u306e\u7740\u4fe1\u63a5\u7d9a\u304c\u62d2\u5426\u3055\u308c\u3066\u3057\u307e\u3046\u304b\u3089\u3067\u3059\u3002\u3057\u305f\u304c\u3063\u3066\u3001\u30b5\u30fc\u30d0\u30fc\u304c\u305d\u306e\u3088\u3046\u306a\u8981\u6c42\u306b\u5fdc\u7b54\u3059\u308b\u305f\u3081\u306b\u306f\u3001\u660e\u793a\u7684\u306b\u6b63\u5f53\u306a\u7740\u4fe1\u63a5\u7d9a\u3092\u8a31\u53ef\u3059\u308b\u30eb\u30fc\u30eb\u3092\u4f5c\u6210\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u4f8b\u3048\u3070\u3001SSH\u3084HTTP\u63a5\u7d9a\u306a\u3069\u3067\u3059\u3002\u30af\u30e9\u30a6\u30c9\u30b5\u30fc\u30d0\u30fc\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u5834\u5408\u3001\u30b5\u30fc\u30d0\u30fc\u306b\u63a5\u7d9a\u3057\u3066\u7ba1\u7406\u3059\u308b\u305f\u3081\u306b\u3001\u7740\u4fe1SSH\u63a5\u7d9a\u3092\u8a31\u53ef\u3059\u308b\u3053\u3068\u304c\u307b\u3068\u3093\u3069\u3067\u3057\u3087\u3046\u3002<\/p>\n<p>\u4ee5\u4e0b\u306e\u30b3\u30de\u30f3\u30c9\u3092\u4f7f\u7528\u3057\u3066\u3001\u30b5\u30fc\u30d0\u30fc\u3092\u8a2d\u5b9a\u3057\u3066\u3001SSH\u63a5\u7d9a\u3092\u53d7\u3051\u5165\u308c\u308b\u3088\u3046\u306b\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\"><span class=\"token function\">sudo<\/span> ufw allow <span class=\"token function\">ssh<\/span><\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u4ee5\u4e0b\u306e\u5185\u5bb9\u3092\u65e5\u672c\u8a9e\u3067\u8868\u73fe\u3059\u308b :<br \/>\n\u30c7\u30d5\u30a9\u30eb\u30c8\u3067SSH\u30c7\u30fc\u30e2\u30f3\u304c\u5f85\u3061\u53d7\u3051\u3066\u3044\u308b\u30dd\u30fc\u30c8\u3067\u3042\u308b\u30dd\u30fc\u30c822\u306b\u5bfe\u3057\u3066\u3001\u3059\u3079\u3066\u306e\u63a5\u7d9a\u3092\u8a31\u53ef\u3059\u308b\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u30eb\u30fc\u30eb\u304c\u4f5c\u6210\u3055\u308c\u307e\u3059\u3002UFW\u306f\u3001\/etc\/services \u30d5\u30a1\u30a4\u30eb\u306b\u30b5\u30fc\u30d3\u30b9\u3068\u3057\u3066\u30ea\u30b9\u30c8\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u304b\u3089\u3001SSH\u3092\u8a31\u53ef\u3059\u308b\u30dd\u30fc\u30c8\u3092\u77e5\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u3057\u304b\u3057\u3001\u30b5\u30fc\u30d3\u30b9\u540d\u306e\u4ee3\u308f\u308a\u306b\u30dd\u30fc\u30c8\u3092\u6307\u5b9a\u3059\u308b\u3053\u3068\u3067\u3001\u5b9f\u969b\u306b\u540c\u7b49\u306e\u30eb\u30fc\u30eb\u3092\u66f8\u304f\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u4f8b\u3048\u3070\u3001\u3053\u306e\u30b3\u30de\u30f3\u30c9\u306f\u4e0a\u8a18\u306e\u3082\u306e\u3068\u540c\u3058\u7d50\u679c\u3092\u51fa\u529b\u3057\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\"><span class=\"token function\">sudo<\/span> ufw allow <span class=\"token number\">22<\/span><\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u3082\u3057SSH\u30c7\u30fc\u30e2\u30f3\u3092\u5225\u306e\u30dd\u30fc\u30c8\u306b\u8a2d\u5b9a\u3057\u305f\u5834\u5408\u3001\u9069\u5207\u306a\u30dd\u30fc\u30c8\u3092\u6307\u5b9a\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u4f8b\u3048\u3070\u3001SSH\u30b5\u30fc\u30d0\u30fc\u304c\u30dd\u30fc\u30c82222\u3067\u30ea\u30c3\u30b9\u30f3\u3057\u3066\u3044\u308b\u5834\u5408\u3001\u540c\u3058\u30b3\u30de\u30f3\u30c9\u3092\u4f7f\u3044\u307e\u3059\u304c\u300122\u30922222\u306b\u7f6e\u304d\u63db\u3048\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p>\u4ee5\u4e0b\u306e\u901a\u308a\u3001\u30cd\u30a4\u30c6\u30a3\u30d6\u306a\u65e5\u672c\u8a9e\u3067\u8a00\u3044\u63db\u3048\u307e\u3059\uff08\u4e00\u3064\u306e\u30aa\u30d7\u30b7\u30e7\u30f3\u306e\u307f\uff09\uff1a<br \/>\nSSH\u306e\u7740\u4fe1\u63a5\u7d9a\u3092\u8a31\u53ef\u3059\u308b\u3088\u3046\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u306e\u8a2d\u5b9a\u304c\u5b8c\u4e86\u3057\u307e\u3057\u305f\u306e\u3067\u3001\u6709\u52b9\u5316\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<h2>\u30b9\u30c6\u30c3\u30d75 &#8211; UFW\u306e\u6709\u52b9\u5316<\/h2>\n<p>UFW\u3092\u6709\u52b9\u306b\u3059\u308b\u305f\u3081\u306b\u306f\u3001\u3053\u306e\u30b3\u30de\u30f3\u30c9\u3092\u4f7f\u7528\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\"><span class=\"token function\">sudo<\/span> ufw <span class=\"token builtin class-name\">enable<\/span><\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u300c\u65e2\u5b58\u306eSSH\u63a5\u7d9a\u306b\u5f71\u97ff\u3092\u4e0e\u3048\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u300d\u3068\u8b66\u544a\u304c\u8868\u793a\u3055\u308c\u307e\u3059\u304c\u3001\u3059\u3067\u306bSSH\u63a5\u7d9a\u3092\u8a31\u53ef\u3059\u308b\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u30eb\u30fc\u30eb\u3092\u8a2d\u5b9a\u3057\u3066\u3044\u307e\u3059\u306e\u3067\u3001\u554f\u984c\u306a\u304f\u7d9a\u884c\u3057\u3066\u3082\u5927\u4e08\u592b\u3067\u3059\u3002\u30d7\u30ed\u30f3\u30d7\u30c8\u306b\u300cy\u300d\u3068\u5165\u529b\u3057\u3001ENTER\u30ad\u30fc\u3092\u62bc\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p>\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u304c\u73fe\u5728\u30a2\u30af\u30c6\u30a3\u30d6\u3067\u3059\u3002\u8a2d\u5b9a\u3057\u305f\u30eb\u30fc\u30eb\u3092\u78ba\u8a8d\u3059\u308b\u306b\u306f\u3001\u3053\u306e\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\"><span class=\"token function\">sudo<\/span> ufw status verbose<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u3053\u306e\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u306e\u6b8b\u308a\u306e\u90e8\u5206\u3067\u306f\u3001UFW\u306e\u8a73\u7d30\u306a\u4f7f\u3044\u65b9\u306b\u3064\u3044\u3066\u8aac\u660e\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u306f\u3001\u3055\u307e\u3056\u307e\u306a\u7a2e\u985e\u306e\u63a5\u7d9a\u306e\u8a31\u53ef\u3068\u62d2\u5426\u304c\u542b\u307e\u308c\u307e\u3059\u3002<\/p>\n<h2>\u30b9\u30c6\u30c3\u30d76 \u2014 \u4ed6\u306e\u63a5\u7d9a\u3092\u8a31\u53ef\u3059\u308b<\/h2>\n<p>\u3053\u306e\u6642\u70b9\u3067\u3001\u30b5\u30fc\u30d0\u30fc\u304c\u6b63\u5e38\u306b\u6a5f\u80fd\u3059\u308b\u305f\u3081\u306b\u5fc5\u8981\u306a\u4ed6\u306e\u3059\u3079\u3066\u306e\u63a5\u7d9a\u3092\u8a31\u53ef\u3059\u308b\u3079\u304d\u3067\u3059\u3002\u8a31\u53ef\u3059\u308b\u63a5\u7d9a\u306f\u3001\u3042\u306a\u305f\u306e\u5177\u4f53\u7684\u306a\u30cb\u30fc\u30ba\u306b\u4f9d\u5b58\u3057\u307e\u3059\u3002\u3059\u3067\u306b\u3001\u30b5\u30fc\u30d3\u30b9\u540d\u3084\u30dd\u30fc\u30c8\u306b\u57fa\u3065\u3044\u3066\u63a5\u7d9a\u3092\u8a31\u53ef\u3059\u308b\u30eb\u30fc\u30eb\u306e\u66f8\u304d\u65b9\u3092\u77e5\u3063\u3066\u3044\u307e\u3059\u3002\u4f8b\u3048\u3070\u3001\u30dd\u30fc\u30c822\u306eSSH\u306b\u5bfe\u3057\u3066\u306f\u3053\u308c\u3092\u884c\u3044\u307e\u3057\u305f\u3002<\/p>\n<p>\u3053\u308c\u306f\u3001\u6697\u53f7\u5316\u3055\u308c\u3066\u3044\u306a\u3044\u30a6\u30a7\u30d6\u30b5\u30fc\u30d0\u30fc\u304c\u4f7f\u7528\u3059\u308b\u30dd\u30fc\u30c880\u3067\u884c\u3048\u307e\u3059\u3002\u3053\u306e\u30bf\u30a4\u30d7\u306e\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u8a31\u53ef\u3059\u308b\u305f\u3081\u306b\u306f\u3001\u6b21\u306e\u3088\u3046\u306b\u5165\u529b\u3057\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\"><span class=\"token function\">sudo<\/span> ufw allow http<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u3053\u308c\u3092HTTPS\u306e\u30dd\u30fc\u30c8443\u3067\u3082\u884c\u3046\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u3053\u308c\u306f\u6697\u53f7\u5316\u3055\u308c\u305f\u30a6\u30a7\u30d6\u30b5\u30fc\u30d0\u30fc\u304c\u5229\u7528\u3059\u308b\u30dd\u30fc\u30c8\u3067\u3059\u3002\u3053\u306e\u7a2e\u306e\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u8a31\u53ef\u3059\u308b\u305f\u3081\u306b\u3001\u6b21\u306e\u3088\u3046\u306b\u5165\u529b\u3057\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\"><span class=\"token function\">sudo<\/span> ufw allow https<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u4e21\u65b9\u306e\u30b7\u30ca\u30ea\u30aa\u3067\u306f\u3001HTTP\u306f\u30dd\u30fc\u30c880\u3001HTTPS\u306f\u30dd\u30fc\u30c8443\u3068\u3057\u3066\u660e\u793a\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002\u305f\u3060\u3057\u3001\u30dd\u30fc\u30c8\u3084\u65e2\u77e5\u306e\u30b5\u30fc\u30d3\u30b9\u3092\u6307\u5b9a\u3059\u308b\u4ee5\u5916\u306b\u3082\u63a5\u7d9a\u3092\u8a31\u53ef\u3059\u308b\u65b9\u6cd5\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u306b\u3064\u3044\u3066\u306f\u6b21\u306b\u8aac\u660e\u3057\u307e\u3059\u3002<\/p>\n<h3>\u7279\u5b9a\u306e\u30dd\u30fc\u30c8\u7bc4\u56f2<\/h3>\n<p>UFW\u3092\u4f7f\u7528\u3057\u3066\u3001\u30dd\u30fc\u30c8\u7bc4\u56f2\u3092\u6307\u5b9a\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u4f8b\u3048\u3070\u3001\u3044\u304f\u3064\u304b\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306f\u5358\u4e00\u306e\u30dd\u30fc\u30c8\u3067\u306f\u306a\u304f\u3001\u8907\u6570\u306e\u30dd\u30fc\u30c8\u3092\u4f7f\u7528\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u4f8b\u3048\u3070\u3001\u30dd\u30fc\u30c86000\u304b\u30896007\u3092\u4f7f\u7528\u3059\u308bX11\u63a5\u7d9a\u3092\u8a31\u53ef\u3059\u308b\u305f\u3081\u306b\u3001\u6b21\u306e\u3088\u3046\u306a\u30b3\u30de\u30f3\u30c9\u3092\u4f7f\u7528\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\"><span class=\"token function\">sudo<\/span> ufw allow <mark><span class=\"token number\">6000<\/span><\/mark>:<mark>6007<\/mark>\/tcp<\/li>\n<li data-prefix=\"$\"><span class=\"token function\">sudo<\/span> ufw allow <mark><span class=\"token number\">6000<\/span><\/mark>:<mark>6007<\/mark>\/udp<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>UFW\u3092\u4f7f\u7528\u3057\u3066\u30dd\u30fc\u30c8\u7bc4\u56f2\u3092\u6307\u5b9a\u3059\u308b\u969b\u306f\u3001\u9069\u7528\u3059\u308b\u30eb\u30fc\u30eb\u306b\u5bfe\u3057\u3066\u30d7\u30ed\u30c8\u30b3\u30eb\uff08tcp\u307e\u305f\u306fudp\uff09\u3092\u6307\u5b9a\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u306f\u4ee5\u524d\u306b\u8a00\u53ca\u3055\u308c\u3066\u3044\u307e\u305b\u3093\u3067\u3057\u305f\u304c\u3001\u30d7\u30ed\u30c8\u30b3\u30eb\u3092\u6307\u5b9a\u3057\u306a\u3044\u5834\u5408\u306f\u81ea\u52d5\u7684\u306b\u4e21\u65b9\u306e\u30d7\u30ed\u30c8\u30b3\u30eb\u304c\u8a31\u53ef\u3055\u308c\u308b\u305f\u3081\u3001\u307b\u3068\u3093\u3069\u306e\u5834\u5408\u306f\u554f\u984c\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n<h3>\u7279\u5b9a\u306eIP\u30a2\u30c9\u30ec\u30b9<\/h3>\n<p>UFW\u3092\u4f7f\u7528\u3059\u308b\u969b\u3001IP\u30a2\u30c9\u30ec\u30b9\u3082\u6307\u5b9a\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u4f8b\u3048\u3070\u3001\u7279\u5b9a\u306eIP\u30a2\u30c9\u30ec\u30b9\uff08\u4f8b\u3048\u3070\u3001\u52e4\u52d9\u5148\u307e\u305f\u306f\u81ea\u5b85\u306eIP\u30a2\u30c9\u30ec\u30b9\u3067\u3042\u308b203.0.113.4\uff09\u304b\u3089\u306e\u63a5\u7d9a\u3092\u8a31\u53ef\u3057\u305f\u3044\u5834\u5408\u3001from\u3068\u305d\u306e\u5f8c\u306bIP\u30a2\u30c9\u30ec\u30b9\u3092\u6307\u5b9a\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\"><span class=\"token function\">sudo<\/span> ufw allow from <mark><span class=\"token number\">203.0<\/span>.113.4<\/mark><\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>IP\u30a2\u30c9\u30ec\u30b9\u304c\u63a5\u7d9a\u3092\u8a31\u53ef\u3059\u308b\u7279\u5b9a\u306e\u30dd\u30fc\u30c8\u3092\u6307\u5b9a\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002\u30dd\u30fc\u30c8\u756a\u53f7\u306e\u5f8c\u306b\u4efb\u610f\u306e\u30dd\u30fc\u30c8\u3092\u8ffd\u52a0\u3059\u308b\u3053\u3068\u3067\u3001203.0.113.4\u304c\u30dd\u30fc\u30c822\uff08SSH\uff09\u306b\u63a5\u7d9a\u3059\u308b\u3053\u3068\u3092\u8a31\u53ef\u3057\u305f\u3044\u5834\u5408\u306f\u3001\u6b21\u306e\u30b3\u30de\u30f3\u30c9\u3092\u4f7f\u7528\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\"><span class=\"token function\">sudo<\/span> ufw allow from <mark><span class=\"token number\">203.0<\/span>.113.4<\/mark> to any port <mark><span class=\"token number\">22<\/span><\/mark><\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<h3>\u30b5\u30d6\u30cd\u30c3\u30c8<\/h3>\n<p>IP\u30a2\u30c9\u30ec\u30b9\u306e\u30b5\u30d6\u30cd\u30c3\u30c8\u3092\u8a31\u53ef\u3059\u308b\u5834\u5408\u3001\u30cd\u30c3\u30c8\u30de\u30b9\u30af\u3092\u6307\u5b9a\u3059\u308b\u305f\u3081\u306bCIDR\u8868\u8a18\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u4f8b\u3048\u3070\u3001203.0.113.1\u304b\u3089203.0.113.254\u307e\u3067\u306e\u3059\u3079\u3066\u306eIP\u30a2\u30c9\u30ec\u30b9\u3092\u8a31\u53ef\u3057\u305f\u3044\u5834\u5408\u3001\u6b21\u306e\u30b3\u30de\u30f3\u30c9\u3092\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\"><span class=\"token function\">sudo<\/span> ufw allow from <mark><span class=\"token number\">203.0<\/span>.113.0<\/mark>\/<mark>24<\/mark><\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u540c\u69d8\u306b\u3001\u30b5\u30d6\u30cd\u30c3\u30c8203.0.113.0\/24\u304c\u63a5\u7d9a\u3092\u8a31\u53ef\u3055\u308c\u308b\u5b9b\u5148\u30dd\u30fc\u30c8\u3092\u6307\u5b9a\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002\u518d\u3073\u3001\u30dd\u30fc\u30c822\uff08SSH\uff09\u3092\u4f8b\u306b\u6319\u3052\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\"><span class=\"token function\">sudo<\/span> ufw allow from <mark><span class=\"token number\">203.0<\/span>.113.0<\/mark>\/<mark>24<\/mark> to any port <span class=\"token number\">22<\/span><\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<h3>\u7279\u5b9a\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30a4\u30f3\u30bf\u30d5\u30a7\u30fc\u30b9\u3078\u306e\u63a5\u7d9a<\/h3>\n<p>\u7279\u5b9a\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u306b\u306e\u307f\u9069\u7528\u3055\u308c\u308b\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u30eb\u30fc\u30eb\u3092\u4f5c\u6210\u3057\u305f\u3044\u5834\u5408\u306f\u3001allow in on\u306e\u5f8c\u306b\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u306e\u540d\u524d\u3092\u6307\u5b9a\u3059\u308b\u3053\u3068\u3067\u884c\u3046\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u7d9a\u884c\u3059\u308b\u524d\u306b\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3092\u8abf\u3079\u308b\u3068\u5f79\u7acb\u3061\u307e\u3059\u3002\u305d\u306e\u305f\u3081\u306b\u306f\u3001\u3053\u306e\u30b3\u30de\u30f3\u30c9\u3092\u4f7f\u7528\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\"><span class=\"token function\">ip<\/span> addr<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<div class=\"secondary-code-label\" title=\"Output\">Output<\/div>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>. . . 2: <mark>eth0<\/mark>: &lt;BROADCAST,MULTICAST,UP,LOWER_UP&gt; mtu 1500 qdisc pfifo_fast state . . . 3: <mark>eth1<\/mark>: &lt;BROADCAST,MULTICAST&gt; mtu 1500 qdisc noop state DOWN group default . . .<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u30cf\u30a4\u30e9\u30a4\u30c8\u3055\u308c\u305f\u51fa\u529b\u306f\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u306e\u540d\u524d\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002\u901a\u5e38\u3001eth0\u3084enp3s2\u306e\u3088\u3046\u306a\u540d\u524d\u3092\u6301\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u3082\u3057\u3082\u3042\u306a\u305f\u306e\u30b5\u30fc\u30d0\u30fc\u306b\u300ceth0\u300d\u3068\u3044\u3046\u516c\u5171\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u304c\u3042\u308b\u5834\u5408\u3001\u4ee5\u4e0b\u306e\u30b3\u30de\u30f3\u30c9\u3092\u4f7f\u7528\u3057\u3066\u305d\u308c\u306bHTTP\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u8a31\u53ef\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\"><span class=\"token function\">sudo<\/span> ufw allow <span class=\"token keyword\">in<\/span> on <mark>eth0<\/mark> to any port <mark><span class=\"token number\">80<\/span><\/mark><\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u305d\u3046\u3059\u308b\u3053\u3068\u3067\u3001\u304a\u4f7f\u3044\u306e\u30b5\u30fc\u30d0\u30fc\u306f\u4e00\u822c\u306e\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u304b\u3089\u306eHTTP\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u53d7\u3051\u53d6\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u3082\u3057\u304f\u306f\u3001\u30d7\u30e9\u30a4\u30d9\u30fc\u30c8\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9eth1\u3067\u63a5\u7d9a\u3092\u53d7\u3051\u4ed8\u3051\u308b\u305f\u3081\u306bMySQL\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30b5\u30fc\u30d0\u30fc\uff08\u30dd\u30fc\u30c83306\uff09\u3092\u4f7f\u7528\u3057\u305f\u3044\u5834\u5408\u3001\u6b21\u306e\u30b3\u30de\u30f3\u30c9\u3092\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\"><span class=\"token function\">sudo<\/span> ufw allow <span class=\"token keyword\">in<\/span> on <mark>eth1<\/mark> to any port <mark><span class=\"token number\">3306<\/span><\/mark><\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u3042\u306a\u305f\u306e\u30d7\u30e9\u30a4\u30d9\u30fc\u30c8\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u4e0a\u306e\u4ed6\u306e\u30b5\u30fc\u30d0\u30fc\u304c\u3001\u3042\u306a\u305f\u306eMySQL\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306b\u63a5\u7d9a\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<h2>\u30b9\u30c6\u30c3\u30d77 \u2014 \u63a5\u7d9a\u3092\u62d2\u5426\u3059\u308b<\/h2>\n<p>\u3082\u3057\u3082\u53d7\u4fe1\u63a5\u7d9a\u306e\u30c7\u30d5\u30a9\u30eb\u30c8\u30dd\u30ea\u30b7\u30fc\u3092\u5909\u66f4\u3057\u3066\u3044\u306a\u3044\u5834\u5408\u3001UFW\u306f\u5168\u3066\u306e\u53d7\u4fe1\u63a5\u7d9a\u3092\u62d2\u5426\u3059\u308b\u3088\u3046\u306b\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u4e00\u822c\u7684\u306b\u3001\u3053\u308c\u306b\u3088\u308a\u7279\u5b9a\u306e\u30dd\u30fc\u30c8\u3084IP\u30a2\u30c9\u30ec\u30b9\u3092\u660e\u793a\u7684\u306b\u8a31\u53ef\u3059\u308b\u30eb\u30fc\u30eb\u3092\u4f5c\u6210\u3059\u308b\u3053\u3068\u3067\u30bb\u30ad\u30e5\u30a2\u306a\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u30dd\u30ea\u30b7\u30fc\u306e\u4f5c\u6210\u304c\u7c21\u7565\u5316\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>\u6642\u3005\u3001\u30b5\u30fc\u30d0\u30fc\u304c\u7279\u5b9a\u306eIP\u30a2\u30c9\u30ec\u30b9\u307e\u305f\u306f\u30b5\u30d6\u30cd\u30c3\u30c8\u304b\u3089\u653b\u6483\u3092\u53d7\u3051\u3066\u3044\u308b\u305f\u3081\u3001\u305d\u306e\u3088\u3046\u306a\u63a5\u7d9a\u3092\u62d2\u5426\u3057\u305f\u3044\u3068\u601d\u3046\u3053\u3068\u304c\u3042\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002\u307e\u305f\u3001\u30c7\u30d5\u30a9\u30eb\u30c8\u306e\u53d7\u4fe1\u30dd\u30ea\u30b7\u30fc\u3092\u8a31\u53ef\u306b\u5909\u66f4\u3059\u308b\u5834\u5408\uff08\u304a\u3059\u3059\u3081\u3055\u308c\u3066\u3044\u307e\u305b\u3093\u304c\uff09\u3001\u63a5\u7d9a\u3092\u8a31\u53ef\u3057\u305f\u304f\u306a\u3044\u30b5\u30fc\u30d3\u30b9\u3084IP\u30a2\u30c9\u30ec\u30b9\u306e\u305f\u3081\u306b\u62d2\u5426\u30eb\u30fc\u30eb\u3092\u4f5c\u6210\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u300cdeny\u300d\u3067\u7f6e\u304d\u63db\u3048\u308b\u3053\u3068\u3067\u3001\u4e0a\u8a18\u3067\u8aac\u660e\u3055\u308c\u305f\u30b3\u30de\u30f3\u30c9\u3092\u4f7f\u7528\u3057\u3066\u62d2\u5426\u30eb\u30fc\u30eb\u3092\u8a18\u8ff0\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u4f8b\u3048\u3070\u3001HTTP\u63a5\u7d9a\u3092\u62d2\u5426\u3059\u308b\u305f\u3081\u306b\u306f\u3001\u3053\u306e\u30b3\u30de\u30f3\u30c9\u3092\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\"><span class=\"token function\">sudo<\/span> ufw deny http<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u3082\u3057\u3042\u306a\u305f\u304c203.0.113.4\u304b\u3089\u306e\u3059\u3079\u3066\u306e\u63a5\u7d9a\u3092\u62d2\u5426\u3057\u305f\u3044\u5834\u5408\u306f\u3001\u3053\u306e\u30b3\u30de\u30f3\u30c9\u3092\u4f7f\u3046\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\"><span class=\"token function\">sudo<\/span> ufw deny from <mark><span class=\"token number\">203.0<\/span>.113.4<\/mark><\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u4eca\u3001\u524a\u9664\u30eb\u30fc\u30eb\u306e\u5b9f\u88c5\u65b9\u6cd5\u3092\u5b66\u3076\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<h2>\u30b9\u30c6\u30c3\u30d78 \u2014 \u30eb\u30fc\u30eb\u306e\u524a\u9664<\/h2>\n<p>\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u306e\u30eb\u30fc\u30eb\u3092\u524a\u9664\u3059\u308b\u65b9\u6cd5\u3092\u77e5\u308b\u3053\u3068\u306f\u3001\u305d\u308c\u3092\u4f5c\u6210\u3059\u308b\u65b9\u6cd5\u3068\u540c\u3058\u304f\u3089\u3044\u91cd\u8981\u3067\u3059\u3002\u524a\u9664\u3059\u308b\u30eb\u30fc\u30eb\u3092\u6307\u5b9a\u3059\u308b\u65b9\u6cd5\u306b\u306f2\u3064\u3042\u308a\u307e\u3059\uff1a\u30eb\u30fc\u30eb\u756a\u53f7\u307e\u305f\u306f\u30eb\u30fc\u30eb\u305d\u306e\u3082\u306e\u3067\u6307\u5b9a\u3059\u308b\u65b9\u6cd5\u3067\u3059\u3002\u3053\u308c\u306f\u3001\u30eb\u30fc\u30eb\u304c\u4f5c\u6210\u3055\u308c\u305f\u3068\u304d\u306b\u6307\u5b9a\u3055\u308c\u305f\u65b9\u6cd5\u3068\u4f3c\u3066\u3044\u307e\u3059\u3002<\/p>\n<h3>\u30eb\u30fc\u30eb\u30ca\u30f3\u30d0\u30fc\u306b\u3088\u308b<\/h3>\n<p>\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u30eb\u30fc\u30eb\u3092\u524a\u9664\u3059\u308b\u305f\u3081\u306b\u30eb\u30fc\u30eb\u756a\u53f7\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u5834\u5408\u3001\u6700\u521d\u306b\u3059\u308b\u3079\u304d\u3053\u3068\u306f\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u30eb\u30fc\u30eb\u306e\u30ea\u30b9\u30c8\u3092\u53d6\u5f97\u3059\u308b\u3053\u3068\u3067\u3059\u3002UFW\u30b9\u30c6\u30fc\u30bf\u30b9\u30b3\u30de\u30f3\u30c9\u306b\u306f\u3001\u5404\u30eb\u30fc\u30eb\u306e\u6a2a\u306b\u756a\u53f7\u3092\u8868\u793a\u3059\u308b\u30aa\u30d7\u30b7\u30e7\u30f3\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\"><span class=\"token function\">sudo<\/span> ufw status numbered<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<div class=\"secondary-code-label\" title=\"Output\">Output<\/div>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>Status: active To Action From &#8212; &#8212;&#8212; &#8212;- [ 1] 22 ALLOW IN 15.15.15.0\/24 [ 2] 80 ALLOW IN Anywhere<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u3082\u3057\u30eb\u30fc\u30eb2\uff08\u30dd\u30fc\u30c880\u3067\u306eHTTP\u63a5\u7d9a\u3092\u8a31\u53ef\u3059\u308b\u30eb\u30fc\u30eb\uff09\u3092\u524a\u9664\u3059\u308b\u3053\u3068\u3092\u6c7a\u5b9a\u3057\u305f\u5834\u5408\u3001\u6b21\u306eUFW\u524a\u9664\u30b3\u30de\u30f3\u30c9\u3067\u6307\u5b9a\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\"><span class=\"token function\">sudo<\/span> ufw delete <mark><span class=\"token number\">2<\/span><\/mark><\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u3053\u308c\u306b\u3088\u3063\u3066\u78ba\u8a8d\u30d7\u30ed\u30f3\u30d7\u30c8\u304c\u8868\u793a\u3055\u308c\u3001y\/n\u3067\u56de\u7b54\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002y\u3092\u5165\u529b\u3059\u308b\u3068\u3001\u30eb\u30fc\u30eb2\u304c\u524a\u9664\u3055\u308c\u307e\u3059\u3002IPv6\u304c\u6709\u52b9\u306b\u306a\u3063\u3066\u3044\u308b\u5834\u5408\u306f\u3001\u95a2\u9023\u3059\u308bIPv6\u306e\u30eb\u30fc\u30eb\u3082\u524a\u9664\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u3053\u3068\u306b\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<h3>\u5b9f\u969b\u306e\u30eb\u30fc\u30eb\u306b\u3088\u308c\u3070<\/h3>\n<p>\u30eb\u30fc\u30eb\u756a\u53f7\u306e\u4ee3\u308f\u308a\u306b\u3001\u524a\u9664\u3059\u308b\u5b9f\u969b\u306e\u30eb\u30fc\u30eb\u3092\u6307\u5b9a\u3059\u308b\u65b9\u6cd5\u304c\u3042\u308a\u307e\u3059\u3002\u4f8b\u3048\u3070\u3001HTTP\u3092\u8a31\u53ef\u3059\u308b\u30eb\u30fc\u30eb\u3092\u524a\u9664\u3057\u305f\u3044\u5834\u5408\u306f\u3001\u6b21\u306e\u3088\u3046\u306b\u66f8\u304f\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\"><span class=\"token function\">sudo<\/span> ufw delete <mark>allow http<\/mark><\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u30b5\u30fc\u30d3\u30b9\u540d\u306e\u4ee3\u308f\u308a\u306b\u300180\u3092\u8a31\u53ef\u3059\u308b\u30eb\u30fc\u30eb\u3092\u6307\u5b9a\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\"><span class=\"token function\">sudo<\/span> ufw delete <mark>allow <span class=\"token number\">80<\/span><\/mark><\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u5b58\u5728\u3059\u308b\u5834\u5408\u3001\u3053\u306e\u65b9\u6cd5\u306fIPv4\u3068IPv6\u306e\u30eb\u30fc\u30eb\u3092\u4e21\u65b9\u524a\u9664\u3057\u307e\u3059\u3002<\/p>\n<h2>\u30b9\u30c6\u30c3\u30d79\uff1aUFW\u306e\u72b6\u614b\u3068\u30eb\u30fc\u30eb\u306e\u78ba\u8a8d\u3092\u884c\u3044\u307e\u3059\u3002<\/h2>\n<p>\u3044\u3064\u3067\u3082\u3001\u3053\u306e\u30b3\u30de\u30f3\u30c9\u3067UFW\u306e\u72b6\u614b\u3092\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\"><span class=\"token function\">sudo<\/span> ufw status verbose<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u3082\u3057UFW\u304c\u7121\u52b9\u306b\u306a\u3063\u3066\u3044\u308b\u5834\u5408\uff08\u30c7\u30d5\u30a9\u30eb\u30c8\u8a2d\u5b9a\u3067\u3059\u304c\uff09\u3001\u51fa\u529b\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<div class=\"secondary-code-label\" title=\"Output\">Output<\/div>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>Status: inactive<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u3082\u3057UFW\u304c\u30a2\u30af\u30c6\u30a3\u30d6\u3067\u3042\u308c\u3070\u3001Step 3\u306b\u5f93\u3063\u3066\u3044\u308b\u306e\u3067\u3042\u308c\u3070\u3001\u51fa\u529b\u306b\u306f\u30a2\u30af\u30c6\u30a3\u30d6\u3067\u3042\u308b\u3053\u3068\u304c\u8868\u793a\u3055\u308c\u3001\u8a2d\u5b9a\u3057\u305f\u30eb\u30fc\u30eb\u304c\u30ea\u30b9\u30c8\u3055\u308c\u307e\u3059\u3002\u4f8b\u3048\u3070\u3001\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u304cSSH\uff08\u30dd\u30fc\u30c822\uff09\u306e\u63a5\u7d9a\u3092\u3069\u3053\u304b\u3089\u3067\u3082\u8a31\u53ef\u3059\u308b\u3088\u3046\u306b\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u308b\u5834\u5408\u3001\u51fa\u529b\u306b\u306f\u6b21\u306e\u3088\u3046\u306a\u5185\u5bb9\u304c\u542b\u307e\u308c\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<div class=\"secondary-code-label\" title=\"Output\">Output<\/div>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>Status: active To Action From &#8212; &#8212;&#8212; &#8212;- 22\/tcp ALLOW IN Anywhere<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u306e\u8a2d\u5b9a\u65b9\u6cd5\u3092\u78ba\u8a8d\u3057\u305f\u3044\u5834\u5408\u306f\u3001\u30b9\u30c6\u30fc\u30bf\u30b9\u30b3\u30de\u30f3\u30c9\u3092\u4f7f\u7528\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<h2>\u30b9\u30c6\u30c3\u30d710- UFW\u306e\u7121\u52b9\u5316\u307e\u305f\u306f\u30ea\u30bb\u30c3\u30c8\uff08\u30aa\u30d7\u30b7\u30e7\u30f3\uff09<\/h2>\n<p>\u3082\u3057UFW\u3092\u4f7f\u7528\u3057\u305f\u304f\u306a\u3044\u3068\u6c7a\u3081\u305f\u5834\u5408\u3001\u3053\u306e\u30b3\u30de\u30f3\u30c9\u3067\u7121\u52b9\u306b\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\"><span class=\"token function\">sudo<\/span> ufw disable<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>UFW\u3067\u4f5c\u6210\u3057\u305f\u3059\u3079\u3066\u306e\u30eb\u30fc\u30eb\u306f\u7121\u52b9\u3068\u306a\u308a\u307e\u3059\u3002\u5f8c\u3067\u6709\u52b9\u5316\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u5834\u5408\u306f\u3001\u5e38\u306bsudo ufw enable\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u3059\u3067\u306bUFW\u306e\u30eb\u30fc\u30eb\u304c\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u308b\u5834\u5408\u3001\u3057\u304b\u3057\u3084\u308a\u76f4\u3057\u305f\u3044\u3068\u8003\u3048\u305f\u5834\u5408\u306f\u3001\u30ea\u30bb\u30c3\u30c8\u30b3\u30de\u30f3\u30c9\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<ol>\n<li data-prefix=\"$\"><span class=\"token function\">sudo<\/span> ufw reset<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>&nbsp;<\/p>\n<pre class=\"post-pre\"><code><\/code><\/pre>\n<p>\u3053\u308c\u306b\u3088\u308a\u3001UFW\u304c\u7121\u52b9\u5316\u3055\u308c\u3001\u4ee5\u524d\u306b\u5b9a\u7fa9\u3057\u305f\u3059\u3079\u3066\u306e\u30eb\u30fc\u30eb\u304c\u524a\u9664\u3055\u308c\u307e\u3059\u3002\u305f\u3060\u3057\u3001\u30c7\u30d5\u30a9\u30eb\u30c8\u306e\u30dd\u30ea\u30b7\u30fc\u306f\u3001\u3044\u3064\u3067\u3082\u5909\u66f4\u3057\u305f\u5834\u5408\u306b\u306f\u5143\u306e\u8a2d\u5b9a\u306b\u306f\u623b\u308a\u307e\u305b\u3093\u306e\u3067\u3001\u3054\u6ce8\u610f\u304f\u3060\u3055\u3044\u3002\u3053\u308c\u306b\u3088\u308a\u3001UFW\u3092\u65b0\u305f\u306a\u72b6\u614b\u3067\u518d\u958b\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<h2>\u7d50\u8ad6<\/h2>\n<p>\u73fe\u5728\u3001\u3042\u306a\u305f\u306e\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u306fSSH\u63a5\u7d9a\u3092\u8a31\u53ef\u3059\u308b\u3088\u3046\u306b\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u30b5\u30fc\u30d0\u30fc\u304c\u5fc5\u8981\u3068\u3059\u308b\u4ed6\u306e\u5165\u308a\u53e3\u63a5\u7d9a\u3082\u8a31\u53ef\u3057\u3066\u3001\u4e0d\u8981\u306a\u63a5\u7d9a\u306f\u5236\u9650\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u30b5\u30fc\u30d0\u30fc\u304c\u6a5f\u80fd\u3057\u3001\u5b89\u5168\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u3088\u308a\u4e00\u822c\u7684\u306aUFW\u306e\u8a2d\u5b9a\u306b\u3064\u3044\u3066\u5b66\u3076\u306b\u306f\u3001UFW\u57fa\u790e\uff1a\u5171\u901a\u306e\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u30eb\u30fc\u30eb\u3068\u30b3\u30de\u30f3\u30c9\u306e\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u3092\u53c2\u7167\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u30a4\u30f3\u30c8\u30ed\u30c0\u30af\u30b7\u30e7\u30f3 UFW\u3001\u307e\u305f\u306fUncomplicated Firewall\u306f\u3001iptables\u3084nftables\u306a\u3069\u306e\u3088\u308a\u4f4e\u30ec\u30d9\u30eb\u306e\u30d1\u30b1\u30c3\u30c8\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u6280\u8853\u306e\u8907\u96d1\u3055\u3092\u96a0\u3059\u7c21\u7565\u5316\u3055\u308c\u305f\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u7ba1\u7406\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7 [&hellip;]<\/p>\n","protected":false},"author":9,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[26,18],"class_list":["post-250","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-26","tag-18"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Debian 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