{"id":2791,"date":"2025-01-07T15:38:00","date_gmt":"2025-01-07T15:38:00","guid":{"rendered":"https:\/\/blog.lebara.co.uk\/?p=2791"},"modified":"2025-02-07T15:54:19","modified_gmt":"2025-02-07T15:54:19","slug":"understanding-internet-protocol-a-beginners-guide","status":"publish","type":"post","link":"https:\/\/blog.lebara.co.uk\/ja\/understanding-internet-protocol-a-beginners-guide\/","title":{"rendered":"\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u30d7\u30ed\u30c8\u30b3\u30eb\u3092\u7406\u89e3\u3059\u308b\uff1a\u521d\u5fc3\u8005\u30ac\u30a4\u30c9"},"content":{"rendered":"<p>\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u30fb\u30d7\u30ed\u30c8\u30b3\u30eb(<a href=\"https:\/\/blog.lebara.co.uk\/ja\/ip-ratings-explained-how-your-smartphone-can-withstand-water-and-dust\/\">IP<\/a>)\u306f\u3001\u6700\u521d\u306f\u96e3\u3057\u304f\u611f\u3058\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u304c\u3001\u5b9f\u969b\u306b\u306f\u975e\u5e38\u306b\u7c21\u5358\u3067\u3059\u3002\u57fa\u672c\u7684\u306b\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u30fb\u30d7\u30ed\u30c8\u30b3\u30eb\u306f\u3001\u30c7\u30fc\u30bf\u304c\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u4e0a\u3092\u3069\u306e\u3088\u3046\u306b\u79fb\u52d5\u3059\u308b\u304b\u3092\u7ba1\u7406\u3059\u308b\u4e00\u9023\u306e\u30eb\u30fc\u30eb\u3067\u3042\u308a\u3001\u30c7\u30d0\u30a4\u30b9\u9593\u3067\u60c5\u5831\u304c\u6b63\u3057\u304f\u9001\u53d7\u4fe1\u3055\u308c\u308b\u3053\u3068\u3092\u4fdd\u8a3c\u3059\u308b\u3002\u3053\u308c\u306f\u30c7\u30b8\u30bf\u30eb\u4e16\u754c\u306e\u90f5\u4fbf\u30b7\u30b9\u30c6\u30e0\u306e\u3088\u3046\u306a\u3082\u306e\u3067\u3001\u5404\u30c7\u30d0\u30a4\u30b9\u306b\u56fa\u6709\u306e\u30a2\u30c9\u30ec\u30b9\u3092\u63d0\u4f9b\u3057\u3001\u30c7\u30fc\u30bf\u30d1\u30b1\u30c3\u30c8\u304c\u6b63\u3057\u3044\u5b9b\u5148\u306b\u5230\u9054\u3059\u308b\u3088\u3046\u306b\u3057\u307e\u3059\u3002\u3053\u306e\u30d3\u30ae\u30ca\u30fc\u30ba\u30ac\u30a4\u30c9\u3067\u306f\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u30fb\u30d7\u30ed\u30c8\u30b3\u30eb\u3068\u306f\u4f55\u304b\u3092\u308f\u304b\u308a\u3084\u3059\u304f\u5b9f\u8df5\u7684\u306b\u89e3\u8aac\u3057\u3001\u305d\u306e\u91cd\u8981\u6027\u3068\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u306e\u65e5\u5e38\u7684\u306a\u5229\u7528\u306b\u3069\u306e\u3088\u3046\u306a\u5f71\u97ff\u3092\u4e0e\u3048\u308b\u304b\u3092\u7406\u89e3\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u307e\u3059\u3002\u3053\u306e\u91cd\u8981\u306a\u6280\u8853\u3092\u3088\u308a\u8eab\u8fd1\u306b\u3001\u3088\u308a\u7406\u89e3\u3057\u3084\u3059\u304f\u3059\u308b\u305f\u3081\u306b\u5206\u89e3\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002.<\/p>\n\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_83 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">\u76ee\u6b21<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"\u30c8\u30b0\u30eb\u76ee\u6b21\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">\u30c8\u30b0\u30eb<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewbox=\"0 0 24 24\" version=\"1.2\" baseprofile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/blog.lebara.co.uk\/ja\/understanding-internet-protocol-a-beginners-guide\/#Introduction_to_Internet_Protocol\" >\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u30fb\u30d7\u30ed\u30c8\u30b3\u30eb\u5165\u9580<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/blog.lebara.co.uk\/ja\/understanding-internet-protocol-a-beginners-guide\/#What_is_Internet_Protocol\" 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ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/blog.lebara.co.uk\/ja\/understanding-internet-protocol-a-beginners-guide\/#Types_of_Internet_Protocols\" >\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u30fb\u30d7\u30ed\u30c8\u30b3\u30eb\u306e\u7a2e\u985e<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/blog.lebara.co.uk\/ja\/understanding-internet-protocol-a-beginners-guide\/#IPv4_vs_IPv6\" >IPv4\u3068IPv6\u306e\u6bd4\u8f03<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/blog.lebara.co.uk\/ja\/understanding-internet-protocol-a-beginners-guide\/#TCPIP_Protocol_Suite\" >TCP\/IP\u30d7\u30ed\u30c8\u30b3\u30eb\u30fb\u30b9\u30a4\u30fc\u30c8<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/blog.lebara.co.uk\/ja\/understanding-internet-protocol-a-beginners-guide\/#Common_Protocols_in_Use_Today\" >\u73fe\u5728\u4f7f\u7528\u3055\u308c\u3066\u3044\u308b\u4e00\u822c\u7684\u306a\u30d7\u30ed\u30c8\u30b3\u30eb<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/blog.lebara.co.uk\/ja\/understanding-internet-protocol-a-beginners-guide\/#Benefits_and_Challenges_of_Internet_Protocol\" >\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u30fb\u30d7\u30ed\u30c8\u30b3\u30eb\u306e\u5229\u70b9\u3068\u8ab2\u984c<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/blog.lebara.co.uk\/ja\/understanding-internet-protocol-a-beginners-guide\/#Advantages_of_Using_Internet_Protocol\" >\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u30fb\u30d7\u30ed\u30c8\u30b3\u30eb\u3092\u4f7f\u7528\u3059\u308b\u5229\u70b9<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/blog.lebara.co.uk\/ja\/understanding-internet-protocol-a-beginners-guide\/#Common_Challenges_Faced\" >\u3088\u304f\u3042\u308b\u8ab2\u984c<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/blog.lebara.co.uk\/ja\/understanding-internet-protocol-a-beginners-guide\/#Future_Developments_and_Trends\" >\u4eca\u5f8c\u306e\u5c55\u958b\u3068\u52d5\u5411<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/blog.lebara.co.uk\/ja\/understanding-internet-protocol-a-beginners-guide\/#Implementing_Internet_Protocols\" >\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u30fb\u30d7\u30ed\u30c8\u30b3\u30eb\u306e\u5b9f\u88c5<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/blog.lebara.co.uk\/ja\/understanding-internet-protocol-a-beginners-guide\/#Setting_Up_Your_Network\" >\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u8a2d\u5b9a<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/blog.lebara.co.uk\/ja\/understanding-internet-protocol-a-beginners-guide\/#Troubleshooting_Common_Issues\" >\u3088\u304f\u3042\u308b\u554f\u984c\u306e\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/blog.lebara.co.uk\/ja\/understanding-internet-protocol-a-beginners-guide\/#Best_Practices_for_Security\" >\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\" id=\"13b6c193-cb21-464c-9fd1-43b2a61b50f8\"><span class=\"ez-toc-section\" id=\"Introduction_to_Internet_Protocol\"><\/span>\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u30fb\u30d7\u30ed\u30c8\u30b3\u30eb\u5165\u9580<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u3053\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u306f\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u30fb\u30d7\u30ed\u30c8\u30b3\u30eb\u306e\u57fa\u672c\u3001\u305d\u306e\u91cd\u8981\u6027\u3001\u6b74\u53f2\u7684\u80cc\u666f\u306b\u3064\u3044\u3066\u6398\u308a\u4e0b\u3052\u3066\u3044\u304d\u307e\u3059\u3002\u3053\u306e\u57fa\u790e\u77e5\u8b58\u306f\u3001IP\u304c\u30c7\u30b8\u30bf\u30eb\u306e\u4e16\u754c\u3068\u79c1\u305f\u3061\u306e\u65e5\u5e38\u7684\u306a\u3084\u308a\u3068\u308a\u306b\u3069\u306e\u3088\u3046\u306a\u5f71\u97ff\u3092\u4e0e\u3048\u3066\u3044\u308b\u304b\u3092\u7406\u89e3\u3059\u308b\u305f\u3081\u306e\u571f\u53f0\u3068\u306a\u308a\u307e\u3059\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"a109b78a-2b8f-47c8-8852-5e6cb1bee8bf\"><span class=\"ez-toc-section\" id=\"What_is_Internet_Protocol\"><\/span>\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u30fb\u30d7\u30ed\u30c8\u30b3\u30eb\u3068\u306f\uff1f<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u306b\u3064\u3044\u3066 <strong>\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u30fb\u30d7\u30ed\u30c8\u30b3\u30eb\uff08IP\uff09<\/strong> \u306e\u96c6\u5408\u3067\u3042\u308b\u3002 <em>\u898f\u5247<\/em> \u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u4e0a\u3067\u306e\u30c7\u30fc\u30bf\u8ee2\u9001\u65b9\u6cd5\u3092\u898f\u5b9a\u3059\u308b\u3082\u306e\u3002\u30c7\u30b8\u30bf\u30eb\u30fb\u30a2\u30c9\u30ec\u30b9\u30fb\u30b7\u30b9\u30c6\u30e0\u3068\u3057\u3066\u6a5f\u80fd\u3057\u3001\u60c5\u5831\u304c\u6b63\u3057\u3044\u5834\u6240\u306b\u5c4a\u3051\u3089\u308c\u308b\u3088\u3046\u306b\u3059\u308b\u3002\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u4e0a\u306e\u5404\u30c7\u30d0\u30a4\u30b9\u306f <a href=\"https:\/\/blog.lebara.co.uk\/ja\/how-to-find-out-what-network-youre-on\/\">\u30cd\u30c3\u30c8\u30ef\u30fc\u30af<\/a> \u306f\u90f5\u4fbf\u4f4f\u6240\u306e\u3088\u3046\u306a\u56fa\u6709\u306eIP\u30a2\u30c9\u30ec\u30b9\u3092\u6301\u3061\u3001\u3053\u308c\u306b\u3088\u308a\u6b63\u78ba\u306a\u30c7\u30fc\u30bf\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u304c\u53ef\u80fd\u306b\u306a\u308b\u3002.<\/p>\n\n\n\n<p>IP\u306f\u60c5\u5831\u3092\u5c0f\u3055\u306a\u30d1\u30b1\u30c3\u30c8\u306b\u5206\u89e3\u3059\u308b\u3053\u3068\u3067\u6a5f\u80fd\u3059\u308b\u3002\u3053\u308c\u3089\u306e\u30d1\u30b1\u30c3\u30c8\u306f\u72ec\u7acb\u3057\u3066\u9001\u4fe1\u3055\u308c\u3001\u5b9b\u5148\u3067\u518d\u3073\u7d44\u307f\u7acb\u3066\u3089\u308c\u308b\u3002\u3053\u306e\u65b9\u6cd5\u306b\u3088\u308a\u3001\u52b9\u7387\u7684\u306a\u30c7\u30fc\u30bf <a href=\"https:\/\/blog.lebara.co.uk\/ja\/how-to-transfer-apps-to-a-new-phone\/\">\u8b72\u6e21<\/a>, \u305f\u3068\u3048\u30d1\u30b1\u30c3\u30c8\u306e\u7d4c\u8def\u304c\u7570\u306a\u3063\u3066\u3044\u3066\u3082\u3002\u3053\u306e\u30d7\u30ed\u30c8\u30b3\u30eb\u306f\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u306e\u57fa\u672c\u3067\u3042\u308a\u3001\u4e16\u754c\u4e2d\u306e\u6a5f\u5668\u9593\u306e\u30b7\u30fc\u30e0\u30ec\u30b9\u306a\u901a\u4fe1\u3092\u53ef\u80fd\u306b\u3057\u3066\u3044\u308b\u3002.<\/p>\n\n\n\n<p>\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u30fb\u30d7\u30ed\u30c8\u30b3\u30eb\u3068\u306f\u4f55\u304b\u3092\u7406\u89e3\u3059\u308b\u3053\u3068\u306f\u3001\u6a5f\u5668\u304c\u3069\u306e\u3088\u3046\u306b\u63a5\u7d9a\u3055\u308c\u3001\u76f8\u4e92\u4f5c\u7528\u3057\u3066\u3044\u308b\u304b\u3092\u628a\u63e1\u3059\u308b\u4e0a\u3067\u6975\u3081\u3066\u91cd\u8981\u3067\u3042\u308b\u3002IP\u304c\u306a\u3051\u308c\u3070\u3001\u30de\u30b7\u30f3\u9593\u3067\u60c5\u5831\u3092\u4ea4\u63db\u3059\u308b\u4fe1\u983c\u3067\u304d\u308b\u65b9\u6cd5\u304c\u306a\u3044\u305f\u3081\u3001\u79c1\u305f\u3061\u304c\u77e5\u3063\u3066\u3044\u308b\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u306f\u6a5f\u80fd\u3057\u306a\u3044\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"0f6d5f22-768b-42ff-b06b-db354ef33507\"><span class=\"ez-toc-section\" id=\"Importance_of_Internet_Protocol\"><\/span>\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u30fb\u30d7\u30ed\u30c8\u30b3\u30eb\u306e\u91cd\u8981\u6027<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p><strong>\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u30fb\u30d7\u30ed\u30c8\u30b3\u30eb\u306f\u4e0d\u53ef\u6b20<\/strong> \u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u306e\u69cb\u9020\u5168\u4f53\u3092\u652f\u3048\u3066\u3044\u308b\u304b\u3089\u3060\u3002IP\u306f\u7570\u306a\u308b\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u9593\u306e\u901a\u4fe1\u3092\u53ef\u80fd\u306b\u3057\u3001\u79c1\u305f\u3061\u304c\u5f53\u305f\u308a\u524d\u306e\u3088\u3046\u306b\u4f7f\u3063\u3066\u3044\u308b\u30b0\u30ed\u30fc\u30d0\u30eb\u306a\u63a5\u7d9a\u3092\u53ef\u80fd\u306b\u3059\u308b\u3002IP\u304c\u306a\u3051\u308c\u3070\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306f\u5b64\u7acb\u3057\u3001\u52b9\u7387\u7684\u306b\u60c5\u5831\u3092\u5171\u6709\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u306a\u3044\u3002.<\/p>\n\n\n\n<p>IP\u306e\u91cd\u8981\u306a\u5f79\u5272\u306e\u4e00\u3064\u306f\u3001\u30c7\u30fc\u30bf\u306e\u5b8c\u5168\u6027\u3092\u78ba\u4fdd\u3059\u308b\u3053\u3068\u3067\u3059\u3002\u30c7\u30fc\u30bf\u30d1\u30b1\u30c3\u30c8\u306e\u9001\u53d7\u4fe1\u65b9\u6cd5\u3092\u7ba1\u7406\u3059\u308b\u3053\u3068\u3067\u3001IP\u306f\u30a8\u30e9\u30fc\u3092\u6700\u5c0f\u9650\u306b\u6291\u3048\u3001\u30c7\u30fc\u30bf\u304c\u7121\u50b7\u3067\u5c4a\u304f\u3088\u3046\u306b\u3057\u307e\u3059\u3002\u3053\u306e\u4fe1\u983c\u6027\u306f\u3001\u5358\u7d14\u306a\u96fb\u5b50\u30e1\u30fc\u30eb\u304b\u3089\u8907\u96d1\u306a\u30aa\u30f3\u30e9\u30a4\u30f3\u30fb\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u307e\u3067\u3001\u3055\u307e\u3056\u307e\u306a\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u3068\u3063\u3066\u6975\u3081\u3066\u91cd\u8981\u3067\u3059\u3002.<\/p>\n\n\n\n<p>\u3055\u3089\u306b\u3001IP\u306f\u3055\u307e\u3056\u307e\u306a\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u72b6\u6cc1\u306b\u9069\u5fdc\u3067\u304d\u308b\u305f\u3081\u3001\u6c4e\u7528\u6027\u304c\u9ad8\u3044\u3002\u7d4c\u8def\u304c\u5229\u7528\u3067\u304d\u306a\u304f\u306a\u3063\u305f\u5834\u5408\u3067\u3082\u30c7\u30fc\u30bf\u3092\u8fc2\u56de\u3055\u305b\u3001\u7d99\u7d9a\u6027\u3092\u78ba\u4fdd\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3002\u3053\u306e\u9069\u5fdc\u6027\u306f\u3001\u5805\u7262\u3067\u56de\u5fa9\u529b\u306e\u3042\u308b\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u3092\u7dad\u6301\u3059\u308b\u305f\u3081\u306b\u4e0d\u53ef\u6b20\u3067\u3042\u308b\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"bd714429-1801-4834-9587-357cef60c150\"><span class=\"ez-toc-section\" id=\"Historical_Background\"><\/span>\u6b74\u53f2\u7684\u80cc\u666f<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u30fb\u30d7\u30ed\u30c8\u30b3\u30eb\u306e\u958b\u767a\u306f\u3001\u30f4\u30a3\u30f3\u30c8\u30fb\u30b5\u30fc\u30d5\u3068\u30dc\u30d6\u30fb\u30ab\u30fc\u30f3\u306b\u3088\u3063\u3066\u5148\u5c0e\u3055\u308c\u305f1970\u5e74\u4ee3\u306b\u3055\u304b\u306e\u307c\u308b\u3002TCP\/IP\u30d7\u30ed\u30c8\u30b3\u30eb\u30fb\u30b9\u30a4\u30fc\u30c8\u306b\u95a2\u3059\u308b\u5f7c\u3089\u306e\u753b\u671f\u7684\u306a\u7814\u7a76\u306f\u3001\u73fe\u4ee3\u306e\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u901a\u4fe1\u306e\u57fa\u790e\u3092\u7bc9\u3044\u305f\u3002.<\/p>\n\n\n\n<p>\u5f53\u521d\u306f\u3001\u6df7\u4e71\u306b\u8010\u3048\u3089\u308c\u308b\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u69cb\u7bc9\u306b\u7126\u70b9\u304c\u5f53\u3066\u3089\u308c\u3001\u4eca\u65e5\u306e\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u306e\u76f4\u63a5\u306e\u524d\u8eab\u3067\u3042\u308bARPANET\u306e\u8a95\u751f\u306b\u3064\u306a\u304c\u3063\u305f\u3002\u3053\u306e\u521d\u671f\u306e\u7814\u7a76\u306f\u3001\u76f8\u4e92\u63a5\u7d9a\u3055\u308c\u305f\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u5b9f\u73fe\u53ef\u80fd\u6027\u3068\u53ef\u80fd\u6027\u3092\u5b9f\u8a3c\u3057\u305f\u3002.<\/p>\n\n\n\n<p>\u6280\u8853\u306e\u9032\u6b69\u3068\u3068\u3082\u306b\u30d7\u30ed\u30c8\u30b3\u30eb\u306f\u9032\u5316\u3057\u3001\u65b0\u305f\u306a\u8ab2\u984c\u3084\u9700\u8981\u306b\u5bfe\u5fdc\u3057\u3066\u304d\u305f\u3002IPv4\u304b\u3089IPv6\u3078\u306e\u79fb\u884c\u306f\u91cd\u8981\u306a\u7bc0\u76ee\u3067\u3042\u308a\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u306e\u6025\u6fc0\u306a\u6210\u9577\u306b\u3088\u308a\u3001\u3088\u308a\u591a\u304f\u306eIP\u30a2\u30c9\u30ec\u30b9\u304c\u5fc5\u8981\u3068\u306a\u3063\u305f\u3053\u3068\u304c\u80cc\u666f\u306b\u3042\u308b\u3002\u3053\u306e\u6b74\u53f2\u3092\u7406\u89e3\u3059\u308b\u3053\u3068\u306f\u3001\u73fe\u5728\u306e\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u901a\u4fe1\u306e\u72b6\u6cc1\u3092\u7406\u89e3\u3059\u308b\u3053\u3068\u306b\u3064\u306a\u304c\u308a\u307e\u3059\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"48f77fe0-b525-470d-9203-7c185d11f40b\"><span class=\"ez-toc-section\" id=\"How_Internet_Protocol_Works\"><\/span>\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u30fb\u30d7\u30ed\u30c8\u30b3\u30eb\u306e\u4ed5\u7d44\u307f<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u3053\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u306f\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u30fb\u30d7\u30ed\u30c8\u30b3\u30eb\u306e\u4ed5\u7d44\u307f\u3092\u7c21\u5358\u306b\u8aac\u660e\u3057\u3001\u305d\u306e\u57fa\u672c\u7684\u306a\u6a5f\u80fd\u3001\u30d7\u30ed\u30c8\u30b3\u30eb\u5c64\u306e\u69cb\u9020\u3001\u30c7\u30fc\u30bf\u4f1d\u9001\u306b\u304a\u3051\u308b\u5f79\u5272\u306b\u3064\u3044\u3066\u8aac\u660e\u3059\u308b\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"e6e6fe9f-5aac-4474-8c37-c27cc8f50c9e\"><span class=\"ez-toc-section\" id=\"Basic_Functionality_Explained\"><\/span>\u57fa\u672c\u6a5f\u80fd\u306e\u8aac\u660e<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u30fb\u30d7\u30ed\u30c8\u30b3\u30eb\u306f\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u4e0a\u306e\u5404\u30c7\u30d0\u30a4\u30b9\u306b\u56fa\u6709\u306e\u30a2\u30c9\u30ec\u30b9\u3092\u5272\u308a\u5f53\u3066\u308b\u3053\u3068\u3067\u6a5f\u80fd\u3059\u308b\u3002\u3053\u306e <strong>IP\u30a2\u30c9\u30ec\u30b9<\/strong> \u306f\u8b58\u5225\u5b50\u3068\u3057\u3066\u6a5f\u80fd\u3057\u3001\u30c7\u30fc\u30bf\u304c\u6b63\u3057\u304f\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u3055\u308c\u308b\u3053\u3068\u3092\u4fdd\u8a3c\u3059\u308b\u3002\u30c7\u30fc\u30bf\u306f\u9001\u4fe1\u524d\u306b\u5c0f\u3055\u306a\u30d1\u30b1\u30c3\u30c8\u306b\u5206\u5272\u3055\u308c\u3001\u305d\u308c\u305e\u308c\u306b\u9001\u4fe1\u5143\u30a2\u30c9\u30ec\u30b9\u3068\u5b9b\u5148\u30a2\u30c9\u30ec\u30b9\u304c\u542b\u307e\u308c\u308b\u3002.<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u30c7\u30fc\u30bf\u30d1\u30c3\u30b1\u30fc\u30b8<\/strong>:\u60c5\u5831\u304c\u30d1\u30b1\u30c3\u30c8\u306b\u5206\u5272\u3055\u308c\u3001\u4f1d\u9001\u304c\u3088\u308a\u7ba1\u7406\u3057\u3084\u3059\u304f\u52b9\u7387\u7684\u306b\u306a\u308b\u3002.<\/li>\n\n\n\n<li><strong>\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0<\/strong>:\u5404\u30d1\u30b1\u30c3\u30c8\u306f\u69d8\u3005\u306a\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u7d4c\u7531\u3057\u3066\u76ee\u7684\u5730\u306b\u5230\u9054\u3059\u308b\u3002.<\/li>\n\n\n\n<li><strong>\u518d\u7d44\u7acb<\/strong>:\u5b9b\u5148\u3067\u306f\u3001\u30d1\u30b1\u30c3\u30c8\u3092\u518d\u7d44\u307f\u7acb\u3066\u3057\u3066\u5143\u306e\u30c7\u30fc\u30bf\u3092\u518d\u73fe\u3057\u3001\u60c5\u5831\u304c\u5b8c\u5168\u3067\u4f7f\u7528\u53ef\u80fd\u3067\u3042\u308b\u3053\u3068\u3092\u4fdd\u8a3c\u3059\u308b\u3002.<\/li>\n<\/ol>\n\n\n\n<p>\u3053\u306e\u30d7\u30ed\u30bb\u30b9\u306f\u30b7\u30fc\u30e0\u30ec\u30b9\u304b\u3064\u8fc5\u901f\u306b\u884c\u308f\u308c\u308b\u305f\u3081\u3001\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u306e\u30c7\u30fc\u30bf\u4ea4\u63db\u304c\u53ef\u80fd\u306b\u306a\u308b\u3002\u3053\u306e\u52b9\u7387\u6027\u306f\u3001\u30d3\u30c7\u30aa\u30b9\u30c8\u30ea\u30fc\u30df\u30f3\u30b0\u3084\u30aa\u30f3\u30e9\u30a4\u30f3\u30b2\u30fc\u30e0\u306a\u3069\u3001\u9045\u5ef6\u304c\u30e6\u30fc\u30b6\u30fc\u30a8\u30af\u30b9\u30da\u30ea\u30a8\u30f3\u30b9\u306b\u5f71\u97ff\u3092\u4e0e\u3048\u304b\u306d\u306a\u3044\u30b5\u30fc\u30d3\u30b9\u306b\u3068\u3063\u3066\u6975\u3081\u3066\u91cd\u8981\u3067\u3059\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"c53b0857-d41d-466d-95f5-eaae455442aa\"><span class=\"ez-toc-section\" id=\"Protocol_Layers_Overview\"><\/span>\u30d7\u30ed\u30c8\u30b3\u30eb\u5c64\u306e\u6982\u8981<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u30fb\u30d7\u30ed\u30c8\u30b3\u30eb\u306f\u3001\u901a\u4fe1\u6a5f\u80fd\u3092\u6a19\u6e96\u5316\u3057\u305fOSI\u30e2\u30c7\u30eb\u3068\u547c\u3070\u308c\u308b\u968e\u5c64\u30e2\u30c7\u30eb\u306e\u4e2d\u3067\u52d5\u4f5c\u3059\u308b\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u5c64<\/strong>:\u30a8\u30f3\u30c9\u30e6\u30fc\u30b6\u30fc\u3068\u76f4\u63a5\u5bfe\u8a71\u3057\u3001\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u7ba1\u7406\u3059\u308b\u3002.<\/li>\n\n\n\n<li><strong>\u30c8\u30e9\u30f3\u30b9\u30dd\u30fc\u30c8\u5c64<\/strong>:\u30a8\u30e9\u30fc\u8a02\u6b63\u306b\u5bfe\u5fdc\u3057\u3001\u4fe1\u983c\u6027\u306e\u9ad8\u3044\u30c7\u30fc\u30bf\u8ee2\u9001\u3092\u4fdd\u8a3c\u3002.<\/li>\n\n\n\n<li><strong>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5c64<\/strong>:\u30c7\u30fc\u30bf\u30d1\u30b1\u30c3\u30c8\u306e\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u3068\u8ee2\u9001\u3092\u62c5\u5f53\u3002.<\/li>\n\n\n\n<li><strong>\u30c7\u30fc\u30bf\u30ea\u30f3\u30af\u5c64<\/strong>:\u30ce\u30fc\u30c9\u9593\u306e\u30c7\u30fc\u30bf\u8ee2\u9001\u3001\u30a8\u30e9\u30fc\u30c1\u30a7\u30c3\u30af\u3092\u7ba1\u7406\u3002.<\/li>\n\n\n\n<li><strong>\u7269\u7406\u5c64<\/strong>:\u751f\u306e\u30c7\u30fc\u30bf\u30d3\u30c3\u30c8\u306e\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u4f1d\u9001\u3092\u6271\u3046\u3002.<\/li>\n<\/ol>\n\n\n\n<p>\u3053\u306e\u69cb\u9020\u5316\u3055\u308c\u305f\u30a2\u30d7\u30ed\u30fc\u30c1\u306f\u3001\u76f8\u4e92\u904b\u7528\u6027\u3092\u53ef\u80fd\u306b\u3057\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u6280\u8853\u306e\u958b\u767a\u3092\u7c21\u7d20\u5316\u3059\u308b\u3002\u5404\u30ec\u30a4\u30e4\u30fc\u306f\u7279\u5b9a\u306e\u30bf\u30b9\u30af\u3092\u5b9f\u884c\u3057\u3001\u9023\u643a\u3057\u3066\u30b7\u30fc\u30e0\u30ec\u30b9\u306a\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u901a\u4fe1\u3092\u4fdd\u8a3c\u3059\u308b\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"00276879-e6ce-439a-9471-1bc11fd5b01d\"><span class=\"ez-toc-section\" id=\"Role_in_Data_Transmission\"><\/span>\u30c7\u30fc\u30bf\u4f1d\u9001\u306b\u304a\u3051\u308b\u5f79\u5272<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u30c7\u30fc\u30bf\u4f1d\u9001\u306e\u6587\u8108\u3067\u306f\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u30fb\u30d7\u30ed\u30c8\u30b3\u30eb\u306f\u6975\u3081\u3066\u91cd\u8981\u3067\u3042\u308b\u3002\u30c7\u30fc\u30bf\u304c\u3069\u306e\u3088\u3046\u306b\u5206\u89e3\u3055\u308c\u3001\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u3055\u308c\u3001\u518d\u3073\u7d44\u307f\u7acb\u3066\u3089\u308c\u308b\u304b\u3092\u7ba1\u7406\u3059\u308b\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u305f\u3068\u3048\u30d1\u30b1\u30c3\u30c8\u306e\u4e00\u90e8\u304c\u9045\u5ef6\u3057\u305f\u308a <a href=\"https:\/\/blog.lebara.co.uk\/ja\/lost-your-smartphone-heres-how-to-track-and-retrieve-it-safely\/\">\u30ed\u30b9\u30c8<\/a>, \u3057\u304b\u3057\u3001\u5168\u4f53\u7684\u306a\u30e1\u30c3\u30bb\u30fc\u30b8\u306f\u5909\u308f\u3063\u3066\u3044\u306a\u3044\u3002.<\/p>\n\n\n\n<p>IP\u306e\u5f79\u5272\u306f\u5358\u7d14\u306a\u30c7\u30fc\u30bf\u8ee2\u9001\u306b\u3068\u3069\u307e\u3089\u305a\u3001\u30a8\u30e9\u30fc\u306e\u691c\u51fa\u3068\u8a02\u6b63\u3082\u542b\u307e\u308c\u308b\u3002\u30d1\u30b1\u30c3\u30c8\u30d5\u30ed\u30fc\u3092\u80fd\u52d5\u7684\u306b\u7ba1\u7406\u3059\u308b\u3053\u3068\u3067\u3001\u30d7\u30ed\u30c8\u30b3\u30eb\u306f\u901a\u4fe1\u306e\u4e2d\u65ad\u3092\u6700\u5c0f\u9650\u306b\u6291\u3048\u3001\u901a\u4fe1\u306e\u4fe1\u983c\u6027\u3068\u52b9\u7387\u3092\u9ad8\u3081\u307e\u3059\u3002\u3053\u308c\u306f\u3001\u91d1\u878d\u53d6\u5f15\u3084\u6a5f\u5bc6\u6027\u306e\u9ad8\u3044\u901a\u4fe1\u306a\u3069\u3001\u9ad8\u3044\u30c7\u30fc\u30bf\u5b8c\u5168\u6027\u304c\u8981\u6c42\u3055\u308c\u308b\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3067\u306f\u7279\u306b\u91cd\u8981\u3067\u3059\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"34092b21-b0f1-4950-aceb-7100d1b7d991\"><span class=\"ez-toc-section\" id=\"Types_of_Internet_Protocols\"><\/span>\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u30fb\u30d7\u30ed\u30c8\u30b3\u30eb\u306e\u7a2e\u985e<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u3053\u3053\u3067\u306f\u3001IPv4\u3068IPv6\u306e\u9055\u3044\u3001TCP\/IP\u30d7\u30ed\u30c8\u30b3\u30eb\u30b9\u30a4\u30fc\u30c8\u3001\u73fe\u5728\u4f7f\u7528\u3055\u308c\u3066\u3044\u308b\u4e00\u822c\u7684\u306a\u30d7\u30ed\u30c8\u30b3\u30eb\u306a\u3069\u3001\u3055\u307e\u3056\u307e\u306a\u7a2e\u985e\u306e\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u30d7\u30ed\u30c8\u30b3\u30eb\u306b\u3064\u3044\u3066\u8aac\u660e\u3057\u307e\u3059\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"07dd15b5-4d08-40a2-b4de-edf3198c5d46\"><span class=\"ez-toc-section\" id=\"IPv4_vs_IPv6\"><\/span>IPv4\u3068IPv6\u306e\u6bd4\u8f03<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><th>\u7279\u5fb4<\/th><th>IPv4<\/th><th>\u30a2\u30a4\u30d4\u30fc\u30d6\u30a4\u30b7\u30c3\u30af\u30b9<\/th><\/tr><tr><td>\u4f4f\u6240\u30b5\u30a4\u30ba<\/td><td>32\u30d3\u30c3\u30c8<\/td><td>128\u30d3\u30c3\u30c8<\/td><\/tr><tr><td>\u30a2\u30c9\u30ec\u30b9\u7a7a\u9593<\/td><td>\u30ea\u30df\u30c6\u30c3\u30c9\uff08\uff5e43\u5104\uff09<\/td><td>\u5e83\u5927\uff083\u51044000\u4e07\uff09<\/td><\/tr><tr><td>\u30d8\u30c3\u30c0\u30fc\u306e\u8907\u96d1\u3055<\/td><td>\u30b7\u30f3\u30d7\u30eb<\/td><td>\u8907\u96d1\u3067\u3001\u3088\u308a\u52b9\u7387\u7684<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\u304b\u3089\u306e\u79fb\u884c <strong>IPv4\u304b\u3089IPv6\u3078<\/strong> \u306f\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u63a5\u7d9a\u6a5f\u5668\u306e\u5897\u52a0\u306b\u3088\u308b\u30a2\u30c9\u30ec\u30b9\u67af\u6e07\u306e\u554f\u984c\u306b\u5bfe\u51e6\u3059\u308b\u3082\u306e\u3067\u3042\u308b\u3002IPv6\u306f\u3088\u308a\u5927\u304d\u306a\u30a2\u30c9\u30ec\u30b9\u7a7a\u9593\u3092\u63d0\u4f9b\u3057\u3001\u5c06\u6765\u306e\u6210\u9577\u306b\u5bfe\u5fdc\u3057\u3001\u7d99\u7d9a\u7684\u306a\u63a5\u7d9a\u6027\u3092\u78ba\u4fdd\u3057\u307e\u3059\u3002.<\/p>\n\n\n\n<p>IPv6\u306f\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u3068\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u6539\u5584\u3082\u5c0e\u5165\u3057\u3001\u30d7\u30ed\u30c8\u30b3\u30eb\u5168\u4f53\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u5411\u4e0a\u3055\u305b\u307e\u3059\u3002\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u306e\u62e1\u5927\u306b\u4f34\u3044\u3001\u30b9\u30b1\u30fc\u30e9\u30d6\u30eb\u3067\u52b9\u7387\u7684\u304b\u3064\u5b89\u5168\u306a\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30a4\u30f3\u30d5\u30e9\u3092\u7dad\u6301\u3059\u308b\u305f\u3081\u306b\u306f\u3001IPv6\u306e\u63a1\u7528\u304c\u307e\u3059\u307e\u3059\u91cd\u8981\u306b\u306a\u3063\u3066\u304d\u3066\u3044\u307e\u3059\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"7999c065-dec5-45db-b574-c83cc5ae2465\"><span class=\"ez-toc-section\" id=\"TCPIP_Protocol_Suite\"><\/span>TCP\/IP\u30d7\u30ed\u30c8\u30b3\u30eb\u30fb\u30b9\u30a4\u30fc\u30c8<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u306b\u3064\u3044\u3066 <strong>TCP\/IP\u30d7\u30ed\u30c8\u30b3\u30eb\u7fa4<\/strong> \u306f\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u4e0a\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u6a5f\u5668\u3092\u76f8\u4e92\u63a5\u7d9a\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u308b\u901a\u4fe1\u30d7\u30ed\u30c8\u30b3\u30eb\u306e\u30bb\u30c3\u30c8\u3067\u3042\u308b\u3002\u4ee5\u4e0b\u306e\u3082\u306e\u304c\u542b\u307e\u308c\u308b\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u4f1d\u9001\u5236\u5fa1\u30d7\u30ed\u30c8\u30b3\u30eb\uff08TCP\uff09\uff1a<\/strong> \u30c7\u30fc\u30bf\u8ee2\u9001\u306e\u524d\u306b\u63a5\u7d9a\u3092\u78ba\u7acb\u3059\u308b\u3053\u3068\u3067\u3001\u4fe1\u983c\u6027\u306e\u9ad8\u3044\u901a\u4fe1\u3092\u5b9f\u73fe\u3059\u308b\u3002.<\/li>\n\n\n\n<li><strong>\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u30fb\u30d7\u30ed\u30c8\u30b3\u30eb\uff08IP\uff09\uff1a<\/strong> \u30d1\u30b1\u30c3\u30c8\u306e\u30a2\u30c9\u30ec\u30b9\u6307\u5b9a\u3068\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u3092\u884c\u3046\u3002.<\/li>\n\n\n\n<li><strong>\u30e6\u30fc\u30b6\u30fc\u30c7\u30fc\u30bf\u30b0\u30e9\u30e0\u30d7\u30ed\u30c8\u30b3\u30eb\uff08UDP\uff09\uff1a<\/strong> \u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u30fb\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u9069\u3057\u305f\u3001\u3088\u308a\u9ad8\u901f\u306a\u30b3\u30cd\u30af\u30b7\u30e7\u30f3\u30ec\u30b9\u30fb\u30c7\u30fc\u30bf\u8ee2\u9001\u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u63d0\u4f9b\u3002.<\/li>\n<\/ul>\n\n\n\n<p>\u3053\u306e\u30b9\u30a4\u30fc\u30c8\u306f\u67d4\u8edf\u6027\u306b\u5bcc\u3093\u3067\u3044\u308b\u305f\u3081\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u901a\u4fe1\u306e\u30d0\u30c3\u30af\u30dc\u30fc\u30f3\u3068\u306a\u308a\u3001\u3055\u307e\u3056\u307e\u306a\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3084\u30b5\u30fc\u30d3\u30b9\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u3044\u308b\u3002\u305d\u306e\u5805\u7262\u6027\u3068\u591a\u7528\u9014\u6027\u306f\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u306e\u6210\u9577\u3068\u6210\u529f\u306e\u9375\u3068\u306a\u3063\u3066\u304d\u305f\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"bc6624f8-cda2-4a37-b7b4-871420af2314\"><span class=\"ez-toc-section\" id=\"Common_Protocols_in_Use_Today\"><\/span>\u73fe\u5728\u4f7f\u7528\u3055\u308c\u3066\u3044\u308b\u4e00\u822c\u7684\u306a\u30d7\u30ed\u30c8\u30b3\u30eb<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u4e00\u822c\u7684\u306a\u30d7\u30ed\u30c8\u30b3\u30eb\u306f\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u901a\u4fe1\u306e\u30d0\u30c3\u30af\u30dc\u30fc\u30f3\u3092\u5f62\u6210\u3057\u3001\u305d\u308c\u305e\u308c\u304c\u7570\u306a\u308b\u76ee\u7684\u3092\u679c\u305f\u3059\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>HTTP\/HTTPS<\/strong>:\u30a6\u30a7\u30d6\u4e0a\u3067\u306e\u30c7\u30fc\u30bf\u4ea4\u63db\u306e\u57fa\u790e\u3067\u3042\u308a\u3001\u6697\u53f7\u5316\u306b\u3088\u3063\u3066\u30c7\u30fc\u30bf\u3092\u4fdd\u8b77\u3059\u308b\u3002.<\/li>\n\n\n\n<li><strong>\u30d5\u30a1\u30a4\u30eb\u8ee2\u9001\u30d7\u30ed\u30c8\u30b3\u30eb<\/strong>:\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u9593\u306e\u30d5\u30a1\u30a4\u30eb\u8ee2\u9001\u3092\u5bb9\u6613\u306b\u3059\u308b\u3002.<\/li>\n\n\n\n<li><strong>SMTP\/POP3\/IMAP<\/strong>:\u96fb\u5b50\u30e1\u30fc\u30eb\u306e\u9001\u53d7\u4fe1\u3092\u7ba1\u7406\u3002.<\/li>\n\n\n\n<li><strong>DNS<\/strong>:\u4eba\u9593\u304c\u8aad\u3081\u308b\u30c9\u30e1\u30a4\u30f3\u540d\u3092IP\u30a2\u30c9\u30ec\u30b9\u306b\u5909\u63db\u3059\u308b\u3002.<\/li>\n<\/ul>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u30d7\u30ed\u30c8\u30b3\u30eb\u306f\u3001\u30d6\u30e9\u30a6\u30b8\u30f3\u30b0\u304b\u3089\u96fb\u5b50\u30e1\u30fc\u30eb\u307e\u3067\u3001\u3055\u307e\u3056\u307e\u306a\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u6a5f\u80fd\u3092\u53ef\u80fd\u306b\u3057\u3001\u65e5\u3005\u306e\u30aa\u30f3\u30e9\u30a4\u30f3\u6d3b\u52d5\u306b\u6b20\u304b\u305b\u306a\u3044\u3082\u306e\u3068\u306a\u3063\u3066\u3044\u308b\u3002\u3053\u308c\u3089\u306e\u30d7\u30ed\u30c8\u30b3\u30eb\u306f\u5e83\u304f\u63a1\u7528\u3055\u308c\u3001\u6a19\u6e96\u5316\u3055\u308c\u3066\u3044\u308b\u305f\u3081\u3001\u7570\u306a\u308b\u30b7\u30b9\u30c6\u30e0\u3084\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u9593\u3067\u306e\u4e92\u63db\u6027\u304c\u4fdd\u8a3c\u3055\u308c\u3066\u3044\u307e\u3059\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"b77c6429-4ed9-4617-81cf-16ac35937104\"><span class=\"ez-toc-section\" id=\"Benefits_and_Challenges_of_Internet_Protocol\"><\/span>\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u30fb\u30d7\u30ed\u30c8\u30b3\u30eb\u306e\u5229\u70b9\u3068\u8ab2\u984c<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u3053\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u306f\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u30fb\u30d7\u30ed\u30c8\u30b3\u30eb\u3092\u4f7f\u7528\u3059\u308b\u5229\u70b9\u3001\u76f4\u9762\u3059\u308b\u4e00\u822c\u7684\u306a\u8ab2\u984c\u3001\u305d\u3057\u3066\u3053\u306e\u5206\u91ce\u306b\u304a\u3051\u308b\u5c06\u6765\u306e\u767a\u5c55\u306b\u3064\u3044\u3066\u8aac\u660e\u3059\u308b\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"57a3ea48-abb7-46c3-9671-c4dc15517ca3\"><span class=\"ez-toc-section\" id=\"Advantages_of_Using_Internet_Protocol\"><\/span>\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u30fb\u30d7\u30ed\u30c8\u30b3\u30eb\u3092\u4f7f\u7528\u3059\u308b\u5229\u70b9<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u30fb\u30d7\u30ed\u30c8\u30b3\u30eb\u306b\u306f\u6570\u591a\u304f\u306e\u5229\u70b9\u304c\u3042\u308b\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u30b9\u30b1\u30fc\u30e9\u30d3\u30ea\u30c6\u30a3<\/strong>:\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u6210\u9577\u3068\u6280\u8853\u306e\u9032\u6b69\u306b\u5bb9\u6613\u306b\u5bfe\u5fdc\u3002.<\/li>\n\n\n\n<li><strong>\u76f8\u4e92\u904b\u7528\u6027<\/strong>:\u591a\u69d8\u306a\u30c7\u30d0\u30a4\u30b9\u3084\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u4ecb\u3057\u305f\u30b3\u30df\u30e5\u30cb\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u30b5\u30dd\u30fc\u30c8\u3002.<\/li>\n\n\n\n<li><strong>\u4fe1\u983c\u6027<\/strong>:\u30a8\u30e9\u30fc\u30c1\u30a7\u30c3\u30af\u6a5f\u69cb\u306b\u3088\u308a\u3001\u6b63\u78ba\u3067\u5b8c\u5168\u306a\u30c7\u30fc\u30bf\u8ee2\u9001\u3092\u4fdd\u8a3c\u3002.<\/li>\n<\/ul>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u5229\u70b9\u306b\u3088\u308a\u3001IP\u306f\u73fe\u4ee3\u306e\u30c7\u30b8\u30bf\u30eb\u901a\u4fe1\u306e\u790e\u77f3\u3068\u306a\u308a\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u306e\u30b7\u30fc\u30e0\u30ec\u30b9\u306a\u904b\u7528\u3092\u652f\u3048\u3066\u3044\u308b\u3002\u65b0\u305f\u306a\u8ab2\u984c\u3084\u6280\u8853\u306b\u9069\u5fdc\u3059\u308bIP\u306e\u80fd\u529b\u306f\u3001\u305d\u306e\u6c38\u7d9a\u7684\u306a\u59a5\u5f53\u6027\u3092\u5f37\u8abf\u3057\u3066\u3044\u307e\u3059\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"cea36cc7-7733-490f-84c3-ac7bf21926f9\"><span class=\"ez-toc-section\" id=\"Common_Challenges_Faced\"><\/span>\u3088\u304f\u3042\u308b\u8ab2\u984c<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u305d\u306e\u9577\u6240\u306b\u3082\u304b\u304b\u308f\u3089\u305a\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u30fb\u30d7\u30ed\u30c8\u30b3\u30eb\u306f\u3044\u304f\u3064\u304b\u306e\u8ab2\u984c\u306b\u76f4\u9762\u3057\u3066\u3044\u308b\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30fb\u30ea\u30b9\u30af<\/strong>:\u8106\u5f31\u6027\u306f\u30c7\u30fc\u30bf\u6f0f\u6d29\u3084\u30b5\u30a4\u30d0\u30fc\u653b\u6483\u306b\u3064\u306a\u304c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u3002.<\/li>\n\n\n\n<li><strong>\u30a2\u30c9\u30ec\u30b9\u67af\u6e07<\/strong>:\u7279\u306bIPv4\u3067\u306f\u3001IPv6\u3078\u306e\u79fb\u884c\u304c\u5fc5\u8981\u3068\u306a\u3063\u305f\u3002.<\/li>\n\n\n\n<li><strong>\u8907\u96d1\u306a\u69cb\u6210<\/strong>:IP\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u8a2d\u5b9a\u3068\u7ba1\u7406\u306f\u8907\u96d1\u3067\u6642\u9593\u304c\u304b\u304b\u308b\u3002.<\/li>\n<\/ul>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u8ab2\u984c\u306b\u5bfe\u51e6\u3059\u308b\u306b\u306f\u3001\u7d99\u7d9a\u7684\u306a\u9769\u65b0\u3068\u8b66\u6212\u304c\u5fc5\u8981\u3067\u3059\u3002\u5f37\u56fa\u306a\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5bfe\u7b56\u306e\u5c0e\u5165\u3068IPv6\u3078\u306e\u79fb\u884c\u306f\u3001\u3053\u308c\u3089\u306e\u969c\u5bb3\u3092\u514b\u670d\u3057\u3001\u5b89\u5168\u3067\u52b9\u7387\u7684\u306a\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u3092\u78ba\u4fdd\u3059\u308b\u305f\u3081\u306b\u4e0d\u53ef\u6b20\u306a\u30b9\u30c6\u30c3\u30d7\u3067\u3042\u308b\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"7b036a7b-334b-4619-8f95-1b8f06a65386\"><span class=\"ez-toc-section\" id=\"Future_Developments_and_Trends\"><\/span>\u4eca\u5f8c\u306e\u5c55\u958b\u3068\u52d5\u5411<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u30fb\u30d7\u30ed\u30c8\u30b3\u30eb\u306e\u4eca\u5f8c\u306e\u767a\u5c55\u306f\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3001\u52b9\u7387\u6027\u3001\u30b9\u30b1\u30fc\u30e9\u30d3\u30ea\u30c6\u30a3\u306e\u5f37\u5316\u306b\u91cd\u70b9\u304c\u7f6e\u304b\u308c\u308b\u3002\u65b0\u305f\u306a <a href=\"https:\/\/blog.lebara.co.uk\/ja\/the-latest-trends-in-mobile-phone-technology\/\">\u30c8\u30ec\u30f3\u30c9<\/a> \u3092\u542b\u3080\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>IPv6\u306e\u63a1\u7528<\/strong>:\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u306b\u63a5\u7d9a\u3059\u308b\u6a5f\u5668\u304c\u5897\u3048\u308b\u306b\u3064\u308c\u3066\u5897\u52a0\u3002.<\/li>\n\n\n\n<li><strong>\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30fb\u30d7\u30ed\u30c8\u30b3\u30eb\u306e\u6539\u5584<\/strong>:\u5897\u5927\u3059\u308b\u30b5\u30a4\u30d0\u30fc\u8105\u5a01\u306b\u5bfe\u6297\u3059\u308b\u305f\u3081\u306b.<\/li>\n\n\n\n<li><strong>\u3068\u306e\u7d71\u5408 <a href=\"https:\/\/blog.lebara.co.uk\/ja\/the-future-of-connected-devices-exploring-the-synergy-between-5g-and-iot\/\">IoT<\/a><\/strong>:\u76f8\u4e92\u63a5\u7d9a\u3055\u308c\u305f\u6a5f\u5668\u306e\u62e1\u5927\u3059\u308b\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u30b5\u30dd\u30fc\u30c8\u3002.<\/li>\n<\/ul>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u50be\u5411\u306f\u3001\u3088\u308a\u5b89\u5168\u3067\u3001\u52b9\u7387\u7684\u3067\u3001\u5e83\u7bc4\u306a\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u3078\u306e\u79fb\u884c\u3092\u793a\u3057\u3066\u3044\u308b\u3002\u3053\u308c\u3089\u306e\u9032\u6b69\u3092\u53d6\u308a\u5165\u308c\u308b\u3053\u3068\u306f\u3001\u30c7\u30b8\u30bf\u30eb\u5316\u304c\u9032\u3080\u4e16\u754c\u3067\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u306e\u6210\u9577\u3068\u6a5f\u80fd\u6027\u3092\u7dad\u6301\u3059\u308b\u305f\u3081\u306b\u6975\u3081\u3066\u91cd\u8981\u3067\u3042\u308b\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"ca8a5afe-2613-4d10-90e4-e093b2104833\"><span class=\"ez-toc-section\" id=\"Implementing_Internet_Protocols\"><\/span>\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u30fb\u30d7\u30ed\u30c8\u30b3\u30eb\u306e\u5b9f\u88c5<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u3053\u306e\u6700\u5f8c\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u306f\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u30d7\u30ed\u30c8\u30b3\u30eb\u3092\u5b9f\u88c5\u3059\u308b\u305f\u3081\u306e\u5b9f\u8df5\u7684\u306a\u624b\u9806\u3001\u3088\u304f\u3042\u308b\u554f\u984c\u306e\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u7dad\u6301\u3059\u308b\u305f\u3081\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\u306b\u3064\u3044\u3066\u8aac\u660e\u3057\u307e\u3059\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"9124fc2f-c903-43f0-b394-a6ebcfca89eb\"><span class=\"ez-toc-section\" id=\"Setting_Up_Your_Network\"><\/span>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u8a2d\u5b9a<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u8a2d\u5b9a\u306b\u306f\u3001\u9069\u5207\u306a\u8a2d\u5b9a\u3068\u6a5f\u80fd\u6027\u3092\u78ba\u4fdd\u3059\u308b\u305f\u3081\u306b\u3001\u3044\u304f\u3064\u304b\u306e\u91cd\u8981\u306a\u30b9\u30c6\u30c3\u30d7\u304c\u3042\u308b\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30ec\u30a4\u30a2\u30a6\u30c8\u306e\u8a08\u753b<\/strong>:\u5fc5\u8981\u306a\u6a5f\u5668\u3068\u63a5\u7d9a\u3092\u6c7a\u5b9a\u3059\u308b\u3002.<\/li>\n\n\n\n<li><strong>IP\u30a2\u30c9\u30ec\u30b9\u306e\u5272\u308a\u5f53\u3066<\/strong>:\u30b9\u30bf\u30c6\u30a3\u30c3\u30af\u307e\u305f\u306f\u30c0\u30a4\u30ca\u30df\u30c3\u30af\u30a2\u30ed\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u4f7f\u7528\u3059\u308b\u3002.<\/li>\n\n\n\n<li><strong>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30c7\u30d0\u30a4\u30b9\u306e\u8a2d\u5b9a<\/strong>:\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u7ba1\u7406\u3059\u308b\u305f\u3081\u306b\u30eb\u30fc\u30bf\u30fc\u3068\u30b9\u30a4\u30c3\u30c1\u3092\u8a2d\u5b9a\u3059\u308b\u3002.<\/li>\n\n\n\n<li><strong>\u63a5\u7d9a\u6027\u30c6\u30b9\u30c8<\/strong>:\u3059\u3079\u3066\u306e\u6a5f\u5668\u304c\u52b9\u679c\u7684\u306b\u901a\u4fe1\u3067\u304d\u308b\u3088\u3046\u306b\u3059\u308b\u3002.<\/li>\n<\/ol>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u30b9\u30c6\u30c3\u30d7\u306b\u5f93\u3046\u3053\u3068\u3067\u3001\u5805\u7262\u3067\u52b9\u7387\u7684\u306a\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30fb\u30bb\u30c3\u30c8\u30a2\u30c3\u30d7\u304c\u5b9f\u73fe\u3057\u307e\u3059\u3002\u6700\u9069\u306a\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3068\u4fe1\u983c\u6027\u3092\u5b9f\u73fe\u3059\u308b\u306b\u306f\u3001\u9069\u5207\u306a\u8a08\u753b\u3068\u5b9f\u884c\u304c\u4e0d\u53ef\u6b20\u3067\u3059\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"85059126-c7ba-4633-9bdc-7cc840626d81\"><span class=\"ez-toc-section\" id=\"Troubleshooting_Common_Issues\"><\/span>\u3088\u304f\u3042\u308b\u554f\u984c\u306e\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u554f\u984c\u304c\u767a\u751f\u3057\u305f\u5834\u5408\u3001\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u306f\u4e0d\u53ef\u6b20\u3067\u3059\u3002\u3088\u304f\u3042\u308b\u554f\u984c\u306f\u4ee5\u4e0b\u306e\u901a\u308a\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u63a5\u7d9a\u6027\u306e\u554f\u984c<\/strong>:IP\u8a2d\u5b9a\u306e\u8aa4\u308a\u3084\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u306e\u6545\u969c\u304c\u539f\u56e0\u3067\u3042\u308b\u3053\u3068\u304c\u591a\u3044\u3002.<\/li>\n\n\n\n<li><strong>\u4f4e\u901f<\/strong>:\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u304c\u591a\u304b\u3063\u305f\u308a\u3001\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u304c\u53e4\u304b\u3063\u305f\u308a\u3059\u308b\u3053\u3068\u304c\u539f\u56e0\u3067\u3059\u3002.<\/li>\n\n\n\n<li><strong>\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u4fb5\u5bb3<\/strong>:\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u304c\u9069\u5207\u306b\u4fdd\u8b77\u3055\u308c\u3066\u3044\u306a\u3044\u5834\u5408\u306b\u767a\u751f\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u3002.<\/li>\n<\/ul>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u554f\u984c\u3092\u89e3\u6c7a\u3059\u308b\u306b\u306f\u3001IP\u30b3\u30f3\u30d5\u30a3\u30ae\u30e5\u30ec\u30fc\u30b7\u30e7\u30f3\u306e\u30c1\u30a7\u30c3\u30af\u3001\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u306e\u66f4\u65b0\u3001\u5f37\u529b\u306a\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5bfe\u7b56\u306e\u5b9f\u65bd\u306a\u3069\u3092\u884c\u3046\u3002\u5b9a\u671f\u7684\u306a\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u3068\u76e3\u8996\u306b\u3088\u308a\u3001\u591a\u304f\u306e\u4e00\u822c\u7684\u306a\u554f\u984c\u3092\u9632\u6b62\u3057\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u5065\u5168\u6027\u3092\u7dad\u6301\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"531e155d-f5a7-4ba1-87be-fc4895e3f341\"><span class=\"ez-toc-section\" id=\"Best_Practices_for_Security\"><\/span>\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u7dad\u6301\u3059\u308b\u3053\u3068\u306f\u3001\u30c7\u30fc\u30bf\u3092\u4fdd\u8b77\u3057\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u5b8c\u5168\u6027\u3092\u78ba\u4fdd\u3059\u308b\u305f\u3081\u306b\u6975\u3081\u3066\u91cd\u8981\u3067\u3042\u308b\u3002\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\u306b\u306f\u4ee5\u4e0b\u304c\u542b\u307e\u308c\u307e\u3059\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u5f37\u529b\u306a\u30d1\u30b9\u30ef\u30fc\u30c9\u3092\u4f7f\u7528\u3059\u308b<\/strong>:\u6a5f\u5668\u3084\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306b\u8907\u96d1\u306a\u30d1\u30b9\u30ef\u30fc\u30c9\u3092\u5c0e\u5165\u3059\u308b\u3002.<\/li>\n\n\n\n<li><strong>\u5b9a\u671f\u7684\u306a\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8<\/strong>:\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u3068\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u3092\u5e38\u306b\u6700\u65b0\u306e\u72b6\u614b\u306b\u4fdd\u3061\u3001\u8106\u5f31\u6027\u306b\u30d1\u30c3\u30c1\u3092\u5f53\u3066\u308b\u3002.<\/li>\n\n\n\n<li><strong>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30fb\u30bb\u30b0\u30e1\u30f3\u30c6\u30fc\u30b7\u30e7\u30f3<\/strong>:\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u5206\u5272\u3057\u3066\u30a2\u30af\u30bb\u30b9\u3092\u5236\u9650\u3057\u3001\u4fb5\u5bb3\u3092\u5c01\u3058\u8fbc\u3081\u308b\u3002.<\/li>\n<\/ul>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u6163\u884c\u3092\u9075\u5b88\u3059\u308b\u3053\u3068\u3067\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u5927\u5e45\u306b\u5f37\u5316\u3057\u3001\u6f5c\u5728\u7684\u306a\u8105\u5a01\u304b\u3089\u4fdd\u8b77\u3057\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u306b\u63a5\u7d9a\u3055\u308c\u305f\u30c7\u30d0\u30a4\u30b9\u306e\u5b89\u5168\u306a\u904b\u7528\u3092\u7d99\u7d9a\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002.<\/p>","protected":false},"excerpt":{"rendered":"<p>\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u30fb\u30d7\u30ed\u30c8\u30b3\u30eb\uff08IP\uff09\u306e\u57fa\u672c\u3092\u7406\u89e3\u3059\u308b\u3053\u3068\u306f\u3001\u6700\u521d\u306f\u96e3\u3057\u304f\u611f\u3058\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u304c\u3001\u5b9f\u969b\u306b\u306f\u975e\u5e38\u306b\u7c21\u5358\u3067\u3059\u3002\u57fa\u672c\u7684\u306b\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u30fb\u30d7\u30ed\u30c8\u30b3\u30eb\u306f\u3001\u30c7\u30fc\u30bf\u304c\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u4e0a\u3092\u3069\u306e\u3088\u3046\u306b\u79fb\u52d5\u3059\u308b\u304b\u3092\u7ba1\u7406\u3059\u308b\u4e00\u9023\u306e\u30eb\u30fc\u30eb\u3067\u3042\u308a\u3001\u30c7\u30d0\u30a4\u30b9\u9593\u3067\u60c5\u5831\u304c\u6b63\u3057\u304f\u9001\u53d7\u4fe1\u3055\u308c\u308b\u3053\u3068\u3092\u4fdd\u8a3c\u3057\u307e\u3059\u3002\u3053\u308c\u306f\u30c7\u30b8\u30bf\u30eb\u4e16\u754c\u306e\u90f5\u4fbf\u30b7\u30b9\u30c6\u30e0\u306e\u3088\u3046\u306a\u3082\u306e\u3067\u3001\u5404\u30c7\u30d0\u30a4\u30b9\u306b\u56fa\u6709\u306e\u30a2\u30c9\u30ec\u30b9\u3092\u63d0\u4f9b\u3057\u3001\u30c7\u30fc\u30bf\u30d1\u30b1\u30c3\u30c8\u304c\u6b63\u3057\u3044\u5b9b\u5148\u306b\u5230\u9054\u3059\u308b\u3088\u3046\u306b\u3057\u307e\u3059\u3002\u3053\u306e\u30d3\u30ae\u30ca\u30fc\u30ba\u30ac\u30a4\u30c9\u3067\u306f\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u30fb\u30d7\u30ed\u30c8\u30b3\u30eb\u3068\u306f\u4f55\u304b\u3092\u308f\u304b\u308a\u3084\u3059\u304f\u5b9f\u8df5\u7684\u306b\u89e3\u8aac\u3057\u3001\u305d\u306e\u91cd\u8981\u6027\u3068\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u306e\u65e5\u5e38\u7684\u306a\u5229\u7528\u306b\u3069\u306e\u3088\u3046\u306a\u5f71\u97ff\u3092\u4e0e\u3048\u308b\u304b\u3092\u7406\u89e3\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u307e\u3059\u3002\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u30fb\u30d7\u30ed\u30c8\u30b3\u30eb\u3068\u306f\uff1f<\/p>\n<div><a class=\"read-more button-link\" href=\"https:\/\/blog.lebara.co.uk\/ja\/understanding-internet-protocol-a-beginners-guide\/\">\u7d9a\u304d\u3092\u8aad\u3080<\/a><\/div>","protected":false},"author":5,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"fifu_image_url":"","fifu_image_alt":"","footnotes":""},"categories":[22],"tags":[],"class_list":["post-2791","post","type-post","status-publish","format-standard","hentry","category-phones","clearfix",false],"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/blog.lebara.co.uk\/ja\/wp-json\/wp\/v2\/posts\/2791","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.lebara.co.uk\/ja\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.lebara.co.uk\/ja\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.lebara.co.uk\/ja\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.lebara.co.uk\/ja\/wp-json\/wp\/v2\/comments?post=2791"}],"version-history":[{"count":1,"href":"https:\/\/blog.lebara.co.uk\/ja\/wp-json\/wp\/v2\/posts\/2791\/revisions"}],"predecessor-version":[{"id":2832,"href":"https:\/\/blog.lebara.co.uk\/ja\/wp-json\/wp\/v2\/posts\/2791\/revisions\/2832"}],"wp:attachment":[{"href":"https:\/\/blog.lebara.co.uk\/ja\/wp-json\/wp\/v2\/media?parent=2791"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.lebara.co.uk\/ja\/wp-json\/wp\/v2\/categories?post=2791"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.lebara.co.uk\/ja\/wp-json\/wp\/v2\/tags?post=2791"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}