{"id":2757,"date":"2024-10-03T01:34:03","date_gmt":"2024-10-02T16:34:03","guid":{"rendered":"https:\/\/home.hiroshima-u.ac.jp\/~tigawa\/?p=2757"},"modified":"2024-10-08T14:33:04","modified_gmt":"2024-10-08T05:33:04","slug":"linuxwan%e3%81%ab%e6%8e%a5%e7%b6%9a%e3%81%a7%e3%81%8d%e3%81%aa%e3%81%8f%e3%81%aa%e3%81%a3%e3%81%9f%e5%a0%b4%e5%90%88%e3%81%ae%e5%af%be%e5%87%a6%e6%b3%95","status":"publish","type":"post","link":"https:\/\/home.hiroshima-u.ac.jp\/~tigawa\/?p=2757","title":{"rendered":"[linux]WAN\u306b\u63a5\u7d9a\u3067\u304d\u306a\u304f\u306a\u3063\u305f\u5834\u5408\u306e\u5bfe\u51e6\u6cd5"},"content":{"rendered":"\n<p><a href=\"https:\/\/blog.yyyak.com\/post\/network_check_linux\/ \">https:\/\/blog.yyyak.com\/post\/network_check_linux\/ <\/a>\u3092\u53c2\u8003\u306b\u3057\u305f\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>ping\u3067\u4ed6\u306e\u8fd1\u304f\u306ePC\u306b\u63a5\u7d9a\u3067\u304d\u308b\u304b\u3069\u3046\u304b\u78ba\u8a8d\u3000\u2192\u3000\u3067\u304d\u308b<\/li>\n\n\n\n<li>ifconfig\u3067\u60c5\u5831\u3092\u898b\u308b\u3000\u2192\u3000\u6b63\u5e38<\/li>\n\n\n\n<li>nslookup\u3067DNS\u306e\u8a2d\u5b9a\u9593\u9055\u3044\u3092\u7591\u3046<\/li>\n<\/ol>\n\n\n\n<p>nslookup\u3067google\u3092\u53c2\u7167\u3057\u3066\u307f\u308b\u3068\u4e0b\u8a18\u306e\u3088\u3046\u306b\u5931\u6557\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>nslookup www.google.co.jp\n;; communications error to 127.0.0.53#53: time out\n;; communications error to 127.0.0.53#53: time out\n;; Got SERVFAIL reply from 127.0.0.53\nServer:         127.0.0.53\nAddress:        127.0.0.53#53\n\n** server can't find www.google.co.jp: SERVFAIL<\/code><\/pre>\n\n\n\n<p>\u516c\u5171DNS\u30b5\u30fc\u30d0\u30fc\uff088.8.8.8\uff09\u3092\u53c2\u7167\u3059\u308b\u3068\u307e\u3068\u3082\u306b\u306a\u308b\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>nslookup www.google.co.jp\nServer:         8.8.8.8\nAddress:        8.8.8.8#53\n\nNon-authoritative answer:\nName: www.google.co.jp\nAddress: 142.250.206.227\nName:   wwww.google.co.jp\nAddress: 2404.6800:400a:804::2003<\/code><\/pre>\n\n\n\n<p>\u5b8c\u5168\u306bDNS\u306e\u8a2d\u5b9a\u304c\u304a\u304b\u3057\u3044\u3088\u3046\u306a\u306e\u3067\u3001\/etc\/resolv.conf\u306enameserver\u306e\u3068\u3053\u308d\u306b\u3001\u6b63\u3057\u3044\u30a2\u30c9\u30ec\u30b9\u3092\u5165\u308c\u3066\u4fdd\u5b58\uff08\u4e0b\u8a18\u306e\u5834\u5408\u306f\u30018.8.8.8\u3002\u5927\u5b66\u306e\u5834\u5408\u306f\u5225\u306eIP\u3092\u5165\u529b\u3059\u308b\uff09\u3002\u7279\u306b\u518d\u8d77\u52d5\u306a\u3069\u3057\u306a\u304f\u3066\u3082\u8a2d\u5b9a\u304c\u53cd\u6620\u3055\u308c\u3066\u3059\u308b\u306bWAN\u306b\u7e4b\u304c\u308b\u3088\u3046\u306b\u306a\u308b\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>nameserver 8.8.8.8<\/code><\/pre>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>https:\/\/blog.yyyak.c<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"colormag_page_container_layout":"default_layout","colormag_page_sidebar_layout":"default_layout","_locale":"ja","_original_post":"https:\/\/home.hiroshima-u.ac.jp\/~tigawa\/?p=2757","footnotes":""},"categories":[7],"tags":[],"class_list":["post-2757","post","type-post","status-publish","format-standard","hentry","category-protocol","ja"],"_links":{"self":[{"href":"https:\/\/home.hiroshima-u.ac.jp\/~tigawa\/index.php?rest_route=\/wp\/v2\/posts\/2757","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/home.hiroshima-u.ac.jp\/~tigawa\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/home.hiroshima-u.ac.jp\/~tigawa\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/home.hiroshima-u.ac.jp\/~tigawa\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/home.hiroshima-u.ac.jp\/~tigawa\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2757"}],"version-history":[{"count":3,"href":"https:\/\/home.hiroshima-u.ac.jp\/~tigawa\/index.php?rest_route=\/wp\/v2\/posts\/2757\/revisions"}],"predecessor-version":[{"id":2764,"href":"https:\/\/home.hiroshima-u.ac.jp\/~tigawa\/index.php?rest_route=\/wp\/v2\/posts\/2757\/revisions\/2764"}],"wp:attachment":[{"href":"https:\/\/home.hiroshima-u.ac.jp\/~tigawa\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2757"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/home.hiroshima-u.ac.jp\/~tigawa\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2757"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/home.hiroshima-u.ac.jp\/~tigawa\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2757"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}