{"id":550,"date":"2026-07-12T05:38:59","date_gmt":"2026-07-11T20:38:59","guid":{"rendered":"https:\/\/www.marchboy.xyz\/wordpress\/archives\/550"},"modified":"2026-07-12T05:38:59","modified_gmt":"2026-07-11T20:38:59","slug":"ss%e3%82%b3%e3%83%9e%e3%83%b3%e3%83%89%e3%81%ab%e3%81%a4%e3%81%84%e3%81%a6","status":"publish","type":"post","link":"https:\/\/www.marchboy.xyz\/wordpress\/archives\/550","title":{"rendered":"ss\u30b3\u30de\u30f3\u30c9\u306b\u3064\u3044\u3066"},"content":{"rendered":"<h2>\u6982\u8981<\/h2>\n<p>ss\u306fLinux\u3084Unix\u7cfb\u30b7\u30b9\u30c6\u30e0\u3067\u3001\u73fe\u5728\u958b\u3044\u3066\u3044\u308b\u30bd\u30b1\u30c3\u30c8\u306e\u72b6\u614b\u3092\u8a73\u7d30\u306b\u8868\u793a\u3059\u308b\u305f\u3081\u306e\u30b3\u30de\u30f3\u30c9\u3067\u3059\u3002\u5f93\u6765\u306e <strong>netstat<\/strong> \u306b\u6bd4\u3079\u3066\u9ad8\u901f\u304b\u3064\u67d4\u8edf\u306a\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u304c\u53ef\u80fd\u3067\u3001\u8fd1\u5e74\u306e\u30c7\u30a3\u30b9\u30c8\u30ea\u30d3\u30e5\u30fc\u30b7\u30e7\u30f3\u3067\u6a19\u6e96\u7684\u306b\u63d0\u4f9b\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<h2>\u57fa\u672c\u7684\u306a\u4f7f\u3044\u65b9<\/h2>\n<p>\u6700\u3082\u30b7\u30f3\u30d7\u30eb\u306a\u5f62\u306f\u30aa\u30d7\u30b7\u30e7\u30f3\u306a\u3057\u3067\u5b9f\u884c\u3059\u308b\u3060\u3051\u3067\u3059\u3002<\/p>\n<pre><code>ss<\/code><\/pre>\n<p>\u3053\u308c\u3060\u3051\u3067\u3001TCP, UDP, Unix \u30bd\u30b1\u30c3\u30c8\u306a\u3069\u3001\u3059\u3079\u3066\u306e\u30d7\u30ed\u30c8\u30b3\u30eb\u306e\u30ea\u30b9\u30cb\u30f3\u30b0\u72b6\u614b\u3068\u78ba\u7acb\u6e08\u307f\u63a5\u7d9a\u304c\u4e00\u89a7\u8868\u793a\u3055\u308c\u307e\u3059\u3002<\/p>\n<h2>\u4e3b\u306a\u30aa\u30d7\u30b7\u30e7\u30f3<\/h2>\n<ul>\n<li><strong>-t<\/strong> : TCP \u30bd\u30b1\u30c3\u30c8\u306e\u307f\u8868\u793a<\/li>\n<li><strong>-u<\/strong> : UDP \u30bd\u30b1\u30c3\u30c8\u306e\u307f\u8868\u793a<\/li>\n<li><strong>-l<\/strong> : \u30ea\u30b9\u30cb\u30f3\u30b0\u72b6\u614b\u306e\u30bd\u30b1\u30c3\u30c8\u306e\u307f\u8868\u793a<\/li>\n<li><strong>-p<\/strong> : \u30bd\u30b1\u30c3\u30c8\u3092\u6240\u6709\u3059\u308b\u30d7\u30ed\u30bb\u30b9\u60c5\u5831\uff08PID\/\u30d7\u30ed\u30b0\u30e9\u30e0\u540d\uff09\u3092\u8868\u793a<\/li>\n<li><strong>-n<\/strong> : \u30a2\u30c9\u30ec\u30b9\u3068\u30dd\u30fc\u30c8\u3092\u6570\u5024\u3067\u8868\u793a\uff08\u540d\u524d\u89e3\u6c7a\u3092\u884c\u308f\u306a\u3044\uff09<\/li>\n<li><strong>-a<\/strong> : \u3059\u3079\u3066\u306e\u30bd\u30b1\u30c3\u30c8\uff08\u30ea\u30b9\u30cb\u30f3\u30b0\uff0b\u78ba\u7acb\u6e08\u307f\uff09\u3092\u8868\u793a<\/li>\n<\/ul>\n<h2>\u5b9f\u7528\u7684\u306a\u4f8b<\/h2>\n<h3>\u30ea\u30b9\u30cb\u30f3\u30b0\u4e2d\u306eTCP\u30dd\u30fc\u30c8\u3092\u6570\u5024\u3067\u8868\u793a\u3057\u3001\u30d7\u30ed\u30bb\u30b9\u60c5\u5831\u3082\u4f75\u305b\u3066\u78ba\u8a8d<\/h3>\n<pre><code>ss -tlnp<\/code><\/pre>\n<h3>\u7279\u5b9a\u306e\u30dd\u30fc\u30c8\uff08\u4f8b: 80\uff09\u3067\u5f85\u3061\u53d7\u3051\u3066\u3044\u308b\u30d7\u30ed\u30bb\u30b9\u3092\u63a2\u3059<\/h3>\n<pre><code>ss -tlnp | grep ':80'<\/code><\/pre>\n<h3>\u72b6\u614b\u5225\u306b\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\uff08\u4f8b: ESTAB \uff1d \u78ba\u7acb\u6e08\u307f\u63a5\u7d9a\uff09<\/h3>\n<pre><code>ss -t state established<\/code><\/pre>\n<h2>\u3088\u304f\u3042\u308b\u8cea\u554f<\/h2>\n<ul>\n<li><strong>Q:<\/strong> \u6a19\u6e96\u51fa\u529b\u304c\u591a\u3059\u304e\u3066\u898b\u306b\u304f\u3044\u3067\u3059\u3002\u3069\u3046\u3059\u308c\u3070\u3044\u3044\u3067\u3059\u304b\uff1f<br \/><strong>A:<\/strong> <code>-o<\/code> \u30aa\u30d7\u30b7\u30e7\u30f3\u3067\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u60c5\u5831\u3060\u3051\u3092\u8868\u793a\u3057\u305f\u308a\u3001<code>grep<\/code> \u3084 <code>awk<\/code> \u3068\u7d44\u307f\u5408\u308f\u305b\u3066\u7d5e\u308a\u8fbc\u3080\u3068\u4fbf\u5229\u3067\u3059\u3002<\/li>\n<li><strong>Q:<\/strong> \u30d7\u30ed\u30bb\u30b9\u60c5\u5831\u304c\u8868\u793a\u3055\u308c\u307e\u305b\u3093\u3002<br \/><strong>A:<\/strong> <code>-p<\/code> \u30aa\u30d7\u30b7\u30e7\u30f3\u306f root \u6a29\u9650\u307e\u305f\u306f\u540c\u3058\u30e6\u30fc\u30b6\u30fc\u306e\u30d7\u30ed\u30bb\u30b9\u306b\u5bfe\u3057\u3066\u306e\u307f\u6709\u52b9\u3067\u3059\u3002sudo \u3067\u5b9f\u884c\u3057\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\u6982\u8981 ss\u306fLinux\u3084Unix\u7cfb\u30b7\u30b9\u30c6\u30e0\u3067\u3001\u73fe\u5728\u958b\u3044\u3066\u3044\u308b\u30bd\u30b1\u30c3\u30c8\u306e\u72b6\u614b\u3092\u8a73\u7d30\u306b\u8868\u793a\u3059\u308b\u305f\u3081\u306e\u30b3\u30de\u30f3\u30c9\u3067\u3059\u3002\u5f93\u6765\u306e netstat \u306b\u6bd4\u3079\u3066\u9ad8\u901f\u304b\u3064\u67d4\u8edf\u306a\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u304c\u53ef\u80fd\u3067\u3001\u8fd1\u5e74\u306e\u30c7\u30a3\u30b9\u30c8\u30ea\u30d3\u30e5\u30fc\u30b7\u30e7\u30f3\u3067\u6a19\u6e96\u7684\u306b\u63d0 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[15],"tags":[],"class_list":["post-550","post","type-post","status-publish","format-standard","hentry","category-linux"],"_links":{"self":[{"href":"https:\/\/www.marchboy.xyz\/wordpress\/wp-json\/wp\/v2\/posts\/550","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.marchboy.xyz\/wordpress\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.marchboy.xyz\/wordpress\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.marchboy.xyz\/wordpress\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.marchboy.xyz\/wordpress\/wp-json\/wp\/v2\/comments?post=550"}],"version-history":[{"count":0,"href":"https:\/\/www.marchboy.xyz\/wordpress\/wp-json\/wp\/v2\/posts\/550\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.marchboy.xyz\/wordpress\/wp-json\/wp\/v2\/media?parent=550"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.marchboy.xyz\/wordpress\/wp-json\/wp\/v2\/categories?post=550"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.marchboy.xyz\/wordpress\/wp-json\/wp\/v2\/tags?post=550"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}