{"id":15,"date":"2026-09-18T06:03:54","date_gmt":"2026-09-17T21:03:54","guid":{"rendered":"https:\/\/www.theipv6portal.org\/column\/network-troubleshooting-order\/"},"modified":"2026-09-18T16:13:03","modified_gmt":"2026-09-18T07:13:03","slug":"network-troubleshooting-order","status":"publish","type":"post","link":"https:\/\/www.theipv6portal.org\/column\/network-troubleshooting-order\/","title":{"rendered":"Ping\u30fbTraceroute\u30fb\u30dd\u30fc\u30c8\u958b\u653e\u30c1\u30a7\u30c3\u30af\u306e\u4f7f\u3044\u5206\u3051 \u2014 \u3064\u306a\u304c\u3089\u306a\u3044\u539f\u56e0\u306e\u5207\u308a\u5206\u3051\u65b9"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">\u300c\u30b5\u30a4\u30c8\u306b\u3064\u306a\u304c\u3089\u306a\u3044\u300d\u3068\u8a00\u308f\u308c\u305f\u3068\u304d\u3001\u539f\u56e0\u306fDNS\u30fb\u7d4c\u8def\u30fb\u30b5\u30fc\u30d0\u30fc\u30fb\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u306e\u3069\u3053\u306b\u3067\u3082\u3042\u308a\u5f97\u307e\u3059\u3002\u95c7\u96f2\u306b\u8a66\u3059\u306e\u3067\u306f\u306a\u304f\u3001<strong>\u4e0b\u306e\u5c64\u304b\u3089\u9806\u306b\u5207\u308a\u5206\u3051\u308b<\/strong>\u3068\u3001\u539f\u56e0\u306e\u7bc4\u56f2\u3092\u6a5f\u68b0\u7684\u306b\u72ed\u3081\u3089\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1000\" height=\"600\" src=\"https:\/\/www.theipv6portal.org\/column\/wp-content\/uploads\/2026\/09\/fig-diagnose.png\" alt=\"\u3064\u306a\u304c\u3089\u306a\u3044\u539f\u56e0\u3092\u5207\u308a\u5206\u3051\u308b\u9806\u756a\u30021.DNS\u3067\u540d\u524d\u304c\u5f15\u3051\u308b\u304b 2.Ping\u3067\u5230\u9054\u3059\u308b\u304b 3.Traceroute\u3067\u3069\u3053\u3067\u6b62\u307e\u308b\u304b 4.\u30dd\u30fc\u30c8\u958b\u653e\u30c1\u30a7\u30c3\u30af\u3067\u30b5\u30fc\u30d3\u30b9\u304c\u958b\u3044\u3066\u3044\u308b\u304b\" class=\"wp-image-8\" srcset=\"https:\/\/www.theipv6portal.org\/column\/wp-content\/uploads\/2026\/09\/fig-diagnose.png 1000w, https:\/\/www.theipv6portal.org\/column\/wp-content\/uploads\/2026\/09\/fig-diagnose-300x180.png 300w, https:\/\/www.theipv6portal.org\/column\/wp-content\/uploads\/2026\/09\/fig-diagnose-768x461.png 768w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><figcaption class=\"wp-element-caption\">\u4e0a\u304b\u3089\u9806\u306b\u78ba\u8a8d\u3059\u308b\u3068\u3001\u539f\u56e0\u306e\u7bc4\u56f2\u3092\u6a5f\u68b0\u7684\u306b\u72ed\u3081\u3089\u308c\u308b<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">\u30b9\u30c6\u30c3\u30d71\uff1a\u540d\u524d\u304c\u5f15\u3051\u308b\u304b\uff08DNS\uff09<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u307e\u305a\u30db\u30b9\u30c8\u540d\u304b\u3089IP\u30a2\u30c9\u30ec\u30b9\u304c\u8fd4\u308b\u304b\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002\u3053\u3053\u3067\u5931\u6557\u3059\u308b\u306a\u3089\u3001\u30b5\u30fc\u30d0\u30fc\u304c\u6b63\u5e38\u3067\u3082\u63a5\u7d9a\u306f\u6210\u7acb\u3057\u307e\u305b\u3093\u3002DNS\u306e\u8a2d\u5b9a\u30df\u30b9\u3001\u30cd\u30fc\u30e0\u30b5\u30fc\u30d0\u30fc\u306e\u4e0d\u4e00\u81f4\u3001\u3042\u308b\u3044\u306f\u5909\u66f4\u76f4\u5f8c\u3067\u30ad\u30e3\u30c3\u30b7\u30e5\u304c\u6b8b\u3063\u3066\u3044\u308b\u30b1\u30fc\u30b9\u304c\u8a72\u5f53\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u78ba\u8a8d\u306f<a href=\"https:\/\/www.theipv6portal.org\/dnslookup\" target=\"_blank\" rel=\"noopener\">DNS\u30eb\u30c3\u30af\u30a2\u30c3\u30d7<\/a>\u3067\u884c\u3048\u307e\u3059\u3002A\u30ec\u30b3\u30fc\u30c9\u304c\u671f\u5f85\u3059\u308bIP\u3092\u8fd4\u3057\u3066\u3044\u308b\u304b\u3092\u898b\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u30b9\u30c6\u30c3\u30d72\uff1a\u76f8\u624b\u307e\u3067\u5c4a\u304f\u304b\uff08Ping\uff09<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">IP\u30a2\u30c9\u30ec\u30b9\u304c\u308f\u304b\u3063\u305f\u3089\u3001\u305d\u3053\u307e\u3067\u30d1\u30b1\u30c3\u30c8\u304c\u5c4a\u304f\u304b\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002<strong>\u5fdc\u7b54\u6642\u9593\u3068\u30d1\u30b1\u30c3\u30c8\u30ed\u30b9<\/strong>\u304c\u4e3b\u306a\u5224\u65ad\u6750\u6599\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u305f\u3060\u3057\u6ce8\u610f\u70b9\u304c\u3042\u308a\u307e\u3059\u3002<strong>Ping\u304c\u8fd4\u3089\u306a\u3044\uff1d\u30c0\u30a6\u30f3\u3057\u3066\u3044\u308b\u3001\u3068\u306f\u9650\u308a\u307e\u305b\u3093\u3002<\/strong>\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u4e0a\u306e\u7406\u7531\u3067ICMP\u3092\u906e\u65ad\u3057\u3066\u3044\u308b\u30b5\u30fc\u30d0\u30fc\u306f\u73cd\u3057\u304f\u306a\u304f\u3001\u305d\u306e\u5834\u5408\u306fPing\u304c\u7121\u5fdc\u7b54\u3067\u3082Web\u30b5\u30fc\u30d3\u30b9\u306f\u6b63\u5e38\u306b\u52d5\u3044\u3066\u3044\u307e\u3059\u3002\u3053\u3053\u3067\u65ad\u5b9a\u305b\u305a\u3001\u6b21\u306e\u30b9\u30c6\u30c3\u30d7\u306b\u9032\u3080\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u2192 <a href=\"https:\/\/www.theipv6portal.org\/ping\" target=\"_blank\" rel=\"noopener\">Ping\u30c4\u30fc\u30eb<\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u30b9\u30c6\u30c3\u30d73\uff1a\u3069\u3053\u3067\u6b62\u307e\u308b\u304b\uff08Traceroute\uff09<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Ping\u304c\u901a\u3089\u306a\u3044\u3001\u3042\u308b\u3044\u306f\u6975\u7aef\u306b\u9045\u3044\u3068\u304d\u306f\u3001\u7d4c\u8def\u306e\u3069\u3053\u3067\u554f\u984c\u304c\u8d77\u304d\u3066\u3044\u308b\u304b\u3092\u898b\u307e\u3059\u3002Traceroute\u306f<strong>\u5b9b\u5148\u307e\u3067\u306b\u7d4c\u7531\u3059\u308b\u30eb\u30fc\u30bf\u30fc\uff08\u30db\u30c3\u30d7\uff09\u3092\u9806\u756a\u306b\u8868\u793a<\/strong>\u3059\u308b\u305f\u3081\u3001\u300c\u81ea\u793e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u51fa\u305f\u76f4\u5f8c\u3067\u6b62\u307e\u3063\u3066\u3044\u308b\u300d\u306e\u304b\u300c\u76f8\u624b\u5074\u306e\u76f4\u524d\u3067\u6b62\u307e\u3063\u3066\u3044\u308b\u300d\u306e\u304b\u3092\u5224\u65ad\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u9014\u4e2d\u306e\u30db\u30c3\u30d7\u304c <code>* * *<\/code> \u306b\u306a\u3063\u3066\u3044\u3066\u3082\u3001\u305d\u306e\u30eb\u30fc\u30bf\u30fc\u304c\u5fdc\u7b54\u3092\u8fd4\u3055\u306a\u3044\u8a2d\u5b9a\u306a\u3060\u3051\u3067\u901a\u4fe1\u81ea\u4f53\u306f\u901a\u3063\u3066\u3044\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<strong>\u6700\u7d42\u884c\u307e\u3067\u5230\u9054\u3057\u3066\u3044\u308b\u304b<\/strong>\u3092\u91cd\u8996\u3057\u3066\u8aad\u3093\u3067\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u2192 <a href=\"https:\/\/www.theipv6portal.org\/traceroute\" target=\"_blank\" rel=\"noopener\">Traceroute\u30c4\u30fc\u30eb<\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u30b9\u30c6\u30c3\u30d74\uff1a\u30b5\u30fc\u30d3\u30b9\u304c\u958b\u3044\u3066\u3044\u308b\u304b\uff08\u30dd\u30fc\u30c8\uff09<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u30db\u30b9\u30c8\u307e\u3067\u5c4a\u3044\u3066\u3044\u308b\u306e\u306b\u30b5\u30fc\u30d3\u30b9\u304c\u4f7f\u3048\u306a\u3044\u5834\u5408\u3001\u76ee\u7684\u306e\u30dd\u30fc\u30c8\u304c\u5916\u90e8\u304b\u3089\u5230\u9054\u3067\u304d\u308b\u304b\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002Web\u306a\u308980\/443\u3001\u30e1\u30fc\u30eb\u306a\u308925\/587\/993\u3068\u3044\u3063\u305f\u5177\u5408\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u30dd\u30fc\u30c8\u304c\u9589\u3058\u3066\u3044\u308b\u5834\u5408\u306b\u7591\u3046\u306e\u306f\u6b21\u306e3\u3064\u3067\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u30b5\u30fc\u30d3\u30b9\u81ea\u4f53\u304c\u8d77\u52d5\u3057\u3066\u3044\u306a\u3044<\/strong>\uff08\u30d7\u30ed\u30bb\u30b9\u505c\u6b62\u3001\u8a2d\u5b9a\u30df\u30b9\uff09<\/li>\n<li><strong>\u30b5\u30fc\u30d0\u30fc\u5185\u306e\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb<\/strong>\uff08ufw\u3001firewalld\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30b0\u30eb\u30fc\u30d7\uff09<\/li>\n<li><strong>\u4e0a\u6d41\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u6a5f\u5668<\/strong>\u306b\u3088\u308b\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u30b5\u30fc\u30d0\u30fc\u5185\u304b\u3089 <code>localhost<\/code> \u3067\u63a5\u7d9a\u3067\u304d\u308b\u306e\u306b\u5916\u90e8\u304b\u3089\u30dd\u30fc\u30c8\u304c\u958b\u3044\u3066\u3044\u306a\u3044\u5834\u5408\u306f\u3001\u307b\u307c\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u304b\u30d0\u30a4\u30f3\u30c9\u30a2\u30c9\u30ec\u30b9\uff08127.0.0.1\u306e\u307f\u3067\u5f85\u3061\u53d7\u3051\u3066\u3044\u308b\uff09\u304c\u539f\u56e0\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u2192 <a href=\"https:\/\/www.theipv6portal.org\/portcheck\" target=\"_blank\" rel=\"noopener\">\u30dd\u30fc\u30c8\u958b\u653e\u30c1\u30a7\u30c3\u30af<\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3064\u306a\u304c\u308b\u306e\u306b\u300c\u8a3c\u660e\u66f8\u30a8\u30e9\u30fc\u300d\u304c\u51fa\u308b\u3068\u304d<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">443\u756a\u30dd\u30fc\u30c8\u306f\u958b\u3044\u3066\u3044\u308b\u306e\u306b\u30d6\u30e9\u30a6\u30b6\u304c\u8b66\u544a\u3092\u51fa\u3059\u5834\u5408\u306f\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3067\u306f\u306a\u304f<strong>SSL\u8a3c\u660e\u66f8<\/strong>\u5074\u306e\u554f\u984c\u3067\u3059\u3002\u6709\u52b9\u671f\u9650\u5207\u308c\u3001\u30c9\u30e1\u30a4\u30f3\u540d\u306e\u4e0d\u4e00\u81f4\u3001\u4e2d\u9593\u8a3c\u660e\u66f8\u306e\u8a2d\u5b9a\u6f0f\u308c\u304c\u5178\u578b\u7684\u306a\u539f\u56e0\u3067\u3059\u3002<a href=\"https:\/\/www.theipv6portal.org\/sslcheck\" target=\"_blank\" rel=\"noopener\">SSL\u8a3c\u660e\u66f8\u30c1\u30a7\u30c3\u30ab\u30fc<\/a>\u3067\u6709\u52b9\u671f\u9650\u3068\u767a\u884c\u8005\u3001\u5bfe\u8c61\u30c9\u30e1\u30a4\u30f3\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u307e\u305f\u3001\u30ea\u30c0\u30a4\u30ec\u30af\u30c8\u306e\u30eb\u30fc\u30d7\u3084\u30ad\u30e3\u30c3\u30b7\u30e5\u5236\u5fa1\u306e\u78ba\u8a8d\u306b\u306f<a href=\"https:\/\/www.theipv6portal.org\/headercheck\" target=\"_blank\" rel=\"noopener\">HTTP\u30d8\u30c3\u30c0\u30fc\u78ba\u8a8d\u30c4\u30fc\u30eb<\/a>\u304c\u5f79\u7acb\u3061\u307e\u3059\u3002\u30b9\u30c6\u30fc\u30bf\u30b9\u30b3\u30fc\u30c9\u3092\u898b\u308c\u3070\u3001\u610f\u56f3\u3057\u306a\u3044301\/302\u306e\u9023\u9396\u306b\u3059\u3050\u6c17\u3065\u3051\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u307e\u3068\u3081<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>DNS \u2192 Ping \u2192 Traceroute \u2192 \u30dd\u30fc\u30c8\u306e\u9806\u306b\u3001\u4e0b\u306e\u5c64\u304b\u3089\u5207\u308a\u5206\u3051\u308b<\/li>\n<li>Ping\u7121\u5fdc\u7b54\u306fICMP\u906e\u65ad\u306e\u53ef\u80fd\u6027\u304c\u3042\u308a\u3001\u305d\u308c\u3060\u3051\u3067\u306f\u505c\u6b62\u3068\u5224\u65ad\u3057\u306a\u3044<\/li>\n<li>Traceroute\u306e\u9014\u4e2d\u306e <code>*<\/code> \u306f\u6b63\u5e38\u306a\u3053\u3068\u3082\u3042\u308b\u3002\u6700\u7d42\u5230\u9054\u3092\u898b\u308b<\/li>\n<li>\u30dd\u30fc\u30c8\u304c\u9589\u3058\u3066\u3044\u308b\u5834\u5408\u306f\u30b5\u30fc\u30d3\u30b9\u505c\u6b62\u30fbFW\u30fb\u30d0\u30a4\u30f3\u30c9\u30a2\u30c9\u30ec\u30b9\u3092\u7591\u3046<\/li>\n<li>443\u304c\u958b\u3044\u3066\u3044\u3066\u8b66\u544a\u304c\u51fa\u308b\u306a\u3089\u3001\u539f\u56e0\u306f\u8a3c\u660e\u66f8\u5074<\/li>\n<\/ul>\n\n","protected":false},"excerpt":{"rendered":"<p>DNS\u2192Ping\u2192Traceroute\u2192\u30dd\u30fc\u30c8\u306e\u9806\u306b\u78ba\u8a8d\u3059\u308b\u3068\u539f\u56e0\u306e\u7bc4\u56f2\u3092\u6a5f\u68b0\u7684\u306b\u72ed\u3081\u3089\u308c\u307e\u3059\u3002\u5404\u30c4\u30fc\u30eb\u306e\u8aad\u307f\u65b9\u3068\u6ce8\u610f\u70b9\u3092\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n","protected":false},"author":0,"featured_media":4,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"swell_btn_cv_data":"","footnotes":""},"categories":[5],"tags":[],"class_list":["post-15","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-network-check"],"_links":{"self":[{"href":"https:\/\/www.theipv6portal.org\/column\/wp-json\/wp\/v2\/posts\/15","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.theipv6portal.org\/column\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.theipv6portal.org\/column\/wp-json\/wp\/v2\/types\/post"}],"replies":[{"embeddable":true,"href":"https:\/\/www.theipv6portal.org\/column\/wp-json\/wp\/v2\/comments?post=15"}],"version-history":[{"count":1,"href":"https:\/\/www.theipv6portal.org\/column\/wp-json\/wp\/v2\/posts\/15\/revisions"}],"predecessor-version":[{"id":20,"href":"https:\/\/www.theipv6portal.org\/column\/wp-json\/wp\/v2\/posts\/15\/revisions\/20"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.theipv6portal.org\/column\/wp-json\/wp\/v2\/media\/4"}],"wp:attachment":[{"href":"https:\/\/www.theipv6portal.org\/column\/wp-json\/wp\/v2\/media?parent=15"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.theipv6portal.org\/column\/wp-json\/wp\/v2\/categories?post=15"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.theipv6portal.org\/column\/wp-json\/wp\/v2\/tags?post=15"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}