{"id":7169,"date":"2023-10-23T16:21:11","date_gmt":"2023-10-23T07:21:11","guid":{"rendered":"https:\/\/visualitynq.com\/ja\/?p=7169"},"modified":"2025-05-23T16:24:45","modified_gmt":"2025-05-23T07:24:45","slug":"windows-security-ntlm-kerberos-and-the-road-ahead","status":"publish","type":"post","link":"https:\/\/visualitynq.com\/ja\/resources\/articles\/windows-security-ntlm-kerberos-and-the-road-ahead\/","title":{"rendered":"Windows\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\uff1aNTLM\u3001Kerberos\u3001\u305d\u3057\u3066\u3053\u308c\u304b\u3089\u306e\u5c55\u671b"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"7169\" class=\"elementor elementor-7169\">\n\t\t\t\t\t\t\t\t\t<section data-particle_enable=\"false\" data-particle-mobile-disabled=\"false\" class=\"elementor-section elementor-top-section elementor-element elementor-element-d3ecc25 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"d3ecc25\" 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\/><\/p><p>\u3053\u308c\u3089\u306e\u8106\u5f31\u6027\u306b\u3088\u308a\u3001\u306a\u308a\u3059\u307e\u3057\u3084\u30a2\u30ab\u30a6\u30f3\u30c8\u4e57\u3063\u53d6\u308a\u3068\u3044\u3063\u305f\u30ea\u30b9\u30af\u304c\u73fe\u5b9f\u306e\u3082\u306e\u3068\u306a\u308a\u307e\u3059\u3002NTLM\u306b\u306f\u30d1\u30b9\u30ef\u30fc\u30c9\u306e\u30bd\u30eb\u30c8\uff08salt\uff09\u51e6\u7406\u304c\u5b58\u5728\u305b\u305a\u3001\u3053\u308c\u304c\u30aa\u30d5\u30e9\u30a4\u30f3\u3067\u306e\u30d1\u30b9\u30ef\u30fc\u30c9\u89e3\u6790\u3084\u300c\u30d1\u30b9\u30fb\u30b6\u30fb\u30cf\u30c3\u30b7\u30e5\u653b\u6483\uff08Pass-the-Hash\uff09\u300d\u3092\u53ef\u80fd\u306b\u3057\u3066\u3044\u307e\u3059\u3002\u3055\u3089\u306b\u8fd1\u5e74\u3067\u306f\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u306e\u6027\u80fd\u304c\u98db\u8e8d\u7684\u306b\u5411\u4e0a\u3057\u3066\u304a\u308a\u3001\u4e00\u822c\u5411\u3051\u306e\u30b3\u30f3\u30b7\u30e5\u30fc\u30de\u30fc\u6a5f\u5668\u3067\u3082\u3001\u3053\u3046\u3057\u305fNTLM\u306e\u5f31\u70b9\u3092\u7a81\u304f\u3053\u3068\u304c\u73fe\u5b9f\u7684\u306b\u306a\u3063\u3066\u304d\u307e\u3057\u305f\u3002<\/p><p>NTLM\u306b\u306f\u3082\u3046\u4e00\u3064\u6df1\u523b\u306a\u6b20\u9665\u304c\u3042\u308a\u307e\u3059\u3002\u30b5\u30fc\u30d0\u30fc\u5074\u306e\u8a8d\u8a3c\u6a5f\u80fd\u304c\u306a\u3044\u305f\u3081\u3001\u30ea\u30ec\u30fc\u653b\u6483\uff08\u4e2d\u9593\u8005\u653b\u6483\uff09\u304c\u6210\u7acb\u3057\u3066\u3057\u307e\u3046\u306e\u3067\u3059\u3002\u60aa\u610f\u3042\u308b\u30b5\u30fc\u30d0\u30fc\u304c\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3068\u672c\u6765\u306e\u30bf\u30fc\u30b2\u30c3\u30c8\u30b5\u30fc\u30d0\u30fc\u306e\u9593\u306b\u5272\u308a\u8fbc\u307f\u3001\u305f\u3068\u3048\u5b89\u5168\u3068\u601d\u308f\u308c\u308b\u74b0\u5883\u3067\u3042\u3063\u3066\u3082\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u304c\u7834\u3089\u308c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002.<\/p><p>\u52a0\u3048\u3066\u3001NTLM\u306f\u30d1\u30b9\u30ef\u30fc\u30c9\u8a8d\u8a3c\u306b\u5f37\u304f\u4f9d\u5b58\u3057\u3066\u3044\u308b\u305f\u3081\u3001\u8a3c\u660e\u66f8\u8a8d\u8a3c\u3084\u751f\u4f53\u8a8d\u8a3c\u3001\u591a\u8981\u7d20\u8a8d\u8a3c\uff08MFA\uff09\u3001FIDO\u30ad\u30fc\u3068\u3044\u3063\u305f\u6700\u65b0\u306e\u8a8d\u8a3c\u6280\u8853\u3068\u306e\u4e92\u63db\u6027\u3082\u3042\u308a\u307e\u305b\u3093\u3002\u3053\u308c\u306f\u3001\u73fe\u4ee3\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u8981\u4ef6\u306b\u304a\u3044\u3066\u5927\u304d\u306a\u5236\u7d04\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p><\/div><h2>Kerberos\uff1a\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u5b88\u8b77\u8005<\/h2><p data-start=\"60\" data-end=\"162\">NTLM\u3068\u3044\u3046\u8ff7\u8def\u306e\u3088\u3046\u306a\u4ed5\u7d44\u307f\u306e\u4e2d\u3067\u3001Kerberos\u306f\u5b89\u5168\u306a\u8a8d\u8a3c\u306e\u7826\u3068\u3057\u3066\u969b\u7acb\u3063\u305f\u5b58\u5728\u3067\u3059\u3002NTLM\u3068\u306f\u7570\u306a\u308a\u3001Kerberos\u306f\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u6027\u304c\u9ad8\u304f\u3001\u62e1\u5f35\u6027\u306b\u3082\u512a\u308c\u305f\u30d7\u30ed\u30c8\u30b3\u30eb\u3067\u3059\u3002<\/p><p data-start=\"164\" data-end=\"283\">Kerberos\u306f\u3001\u30b5\u30fc\u30d0\u30fc\u5074\u306e\u8a8d\u8a3c\u3092\u542b\u3080\u5f37\u529b\u304b\u3064\u67d4\u8edf\u306a\u6697\u53f7\u5316\u6280\u8853\u3092\u7528\u3044\u3066\u304a\u308a\u3001\u5b89\u5168\u306a\u901a\u4fe1\u3092\u5b9f\u73fe\u3057\u307e\u3059\u3002\u307e\u305f\u3001\u30d1\u30b9\u30ef\u30fc\u30c9\u3078\u306e\u4f9d\u5b58\u304b\u3089\u8131\u5374\u3057\u3001\u3055\u307e\u3056\u307e\u306a\u73fe\u4ee3\u7684\u3067\u67d4\u8edf\u306a\u8a8d\u8a3c\u60c5\u5831\u306b\u5bfe\u5fdc\u3067\u304d\u308b\u70b9\u3082\u5927\u304d\u306a\u7279\u9577\u3067\u3059\u3002<\/p><p><img decoding=\"async\" class=\"aligncenter\" src=\"https:\/\/visualitynq.com\/app\/uploads\/security-600x400-1.png\" alt=\"\" width=\"600\" height=\"400\" \/><\/p><p data-start=\"43\" data-end=\"171\">\u3057\u304b\u3057\u3001Kerberos\u306b\u306f\u3044\u304f\u3064\u304b\u306e\u8907\u96d1\u3055\u304c\u4f34\u3044\u307e\u3059\u3002\u8a8d\u8a3c\u306b\u306f\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3001\u5bfe\u8c61\u30b5\u30fc\u30d0\u30fc\uff08\u307e\u305f\u306f\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30b5\u30fc\u30d0\u30fc\uff09\u3001\u305d\u3057\u3066\u4e2d\u592e\u306e\u8a8d\u8a3c\u6a5f\u95a2\u3067\u3042\u308bKDC\uff08\u30ad\u30fc\u914d\u5e03\u30bb\u30f3\u30bf\u30fc\uff09\u3068\u3044\u30463\u3064\u306e\u5f79\u5272\u3092\u6301\u3064\u8981\u7d20\u306e\u95a2\u4e0e\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p><p data-start=\"173\" data-end=\"259\">\u3055\u3089\u306b\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306fKDC\u3068\u5e38\u306b\u76f4\u63a5\u901a\u4fe1\u3067\u304d\u308b\u72b6\u614b\u306b\u3042\u308b\u5fc5\u8981\u304c\u3042\u308a\u3001\u3053\u306e\u8981\u4ef6\u304cKerberos\u306e\u5229\u7528\u3092\u7279\u5b9a\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u69cb\u6210\u306b\u9650\u5b9a\u3059\u308b\u8981\u56e0\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p><h2>Kerberos\u30a2\u30af\u30bb\u30b9\u306e\u7c21\u7d20\u5316<\/h2><p>Microsoft\u306f\u3001Kerberos\u306e\u30a2\u30af\u30bb\u30b9\u3092\u7c21\u7d20\u5316\u3059\u308b\u5fc5\u8981\u6027\u3092\u8a8d\u8b58\u3057\u3001\u305d\u306e\u5b9f\u73fe\u306b\u5411\u3051\u30662\u3064\u306e\u62e1\u5f35\u6a5f\u80fd\u3092\u5c0e\u5165\u3057\u307e\u3057\u305f\u30021\u3064\u76ee\u306f\u3001<b>IAKERB<\/b>\uff08Initial and Pass-through Authentication for Kerberos\uff09\u3067\u3059\u3002\u3053\u308c\u306f\u3001<span data-start=\"200\" data-end=\"257\">\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u304c\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30b5\u30fc\u30d0\u30fc\u306b\u306f\u63a5\u7d9a\u3067\u304d\u308b\u304c\u3001KDC\uff08\u30ad\u30fc\u914d\u5e03\u30bb\u30f3\u30bf\u30fc\uff09\u306b\u306f\u76f4\u63a5\u30a2\u30af\u30bb\u30b9\u3067\u304d\u306a\u3044<\/span>\u3068\u3044\u3046\u72b6\u6cc1\u306b\u5bfe\u5fdc\u3059\u308b\u305f\u3081\u306e\u4ed5\u7d44\u307f\u3067\u3059\u3002IAKERB\u3067\u306f\u3001<span data-start=\"285\" data-end=\"338\">\u5bfe\u8c61\u30b5\u30fc\u30d0\u30fc\u304c\u30d7\u30ed\u30ad\u30b7\u3068\u3057\u3066\u6a5f\u80fd\u3057\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3068KDC\u9593\u306eKerberos\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u5b89\u5168\u306b\u4e2d\u7d99<\/span>\u3057\u307e\u3059\u3002\u3053\u306e\u6a5f\u80fd\u306f\u7279\u306b\u30ea\u30e2\u30fc\u30c8\u30ef\u30fc\u30af\u306e\u3088\u3046\u306a\u74b0\u5883\u306b\u304a\u3044\u3066\u3001<span data-start=\"367\" data-end=\"385\">NTLM\u3078\u306e\u4f9d\u5b58\u3092\u5927\u5e45\u306b\u8efd\u6e1b<\/span>\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p><p>\u307e\u305f\u3001IAKERB\u306f\u3001Microsoft\u304c\u63d0\u6848\u3059\u308b\u3082\u3046\u4e00\u3064\u306e\u9769\u65b0\u7684\u306a\u6a5f\u80fd\u3067\u3042\u308b<b>\u30ed\u30fc\u30ab\u30ebKDC<\/b>\uff08Local Key Distribution Center\uff09\u306e\u524d\u63d0\u306b\u3082\u306a\u3063\u3066\u3044\u307e\u3059\u3002\u30ed\u30fc\u30ab\u30ebKDC\u306f\u3001<span data-start=\"500\" data-end=\"529\">\u7c21\u6613\u7684\u306aKDC\u3092\u5404Windows\u30de\u30b7\u30f3\u5185\u306b\u7d44\u307f\u8fbc\u3080<\/span>\u3053\u3068\u3067\u3001\u5916\u90e8\u306eKDC\u3092\u5fc5\u8981\u3068\u3057\u307e\u305b\u3093\u3002\u3053\u308c\u306b\u3088\u308a\u3001<span data-start=\"554\" data-end=\"576\">\u30ef\u30fc\u30af\u30b0\u30eb\u30fc\u30d7\u74b0\u5883\u3084\u30d4\u30a2\u30c4\u30fc\u30d4\u30a2\u69cb\u6210<\/span>\u3067\u3042\u3063\u3066\u3082\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u304c\u5bfe\u8c61\u30c7\u30d0\u30a4\u30b9\u3068\u76f4\u63a5\u8a8d\u8a3c\u3092\u884c\u3048\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p><p>NTLM\u3068Kerberos\u306e\u9055\u3044\u3084\u3001Microsoft\u304c\u63d0\u6848\u3059\u308bIAKERB\u304a\u3088\u3073\u30ed\u30fc\u30ab\u30ebKDC\u306e\u6982\u8981\u306b\u3064\u3044\u3066\u306f\u3001\u4ee5\u4e0b\u306e\u52d5\u753b\u3067\u308f\u304b\u308a\u3084\u3059\u304f\u89e3\u8aac\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u5b9f\u969b\u306e\u30c7\u30e2\u3082\u542b\u307e\u308c\u3066\u304a\u308a\u3001\u7406\u89e3\u3092\u6df1\u3081\u308b\u306e\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section data-particle_enable=\"false\" data-particle-mobile-disabled=\"false\" class=\"elementor-section elementor-top-section elementor-element elementor-element-869c05e elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"869c05e\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-8cd092e\" data-id=\"8cd092e\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-fe760e2 elementor-aspect-ratio-169 elementor-widget elementor-widget-video\" data-id=\"fe760e2\" data-element_type=\"widget\" data-settings=\"{&quot;youtube_url&quot;:&quot;https:\\\/\\\/youtu.be\\\/4gDGJe7tLes&quot;,&quot;video_type&quot;:&quot;youtube&quot;,&quot;controls&quot;:&quot;yes&quot;,&quot;aspect_ratio&quot;:&quot;169&quot;}\" data-widget_type=\"video.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<style>\/*! elementor - v3.6.7 - 03-07-2022 *\/\n.elementor-widget-video .elementor-widget-container{overflow:hidden;-webkit-transform:translateZ(0);transform:translateZ(0)}.elementor-widget-video .elementor-open-inline .elementor-custom-embed-image-overlay{position:absolute;top:0;left:0;width:100%;height:100%;background-size:cover;background-position:50%}.elementor-widget-video .elementor-custom-embed-image-overlay{cursor:pointer;text-align:center}.elementor-widget-video .elementor-custom-embed-image-overlay:hover .elementor-custom-embed-play i{opacity:1}.elementor-widget-video .elementor-custom-embed-image-overlay img{display:block;width:100%}.elementor-widget-video .e-hosted-video .elementor-video{-o-object-fit:cover;object-fit:cover}<\/style>\t\t<div class=\"elementor-wrapper elementor-fit-aspect-ratio elementor-open-inline\">\n\t\t\t<div class=\"elementor-video\"><\/div>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section data-particle_enable=\"false\" data-particle-mobile-disabled=\"false\" class=\"elementor-section elementor-top-section elementor-element elementor-element-9ee0e45 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"9ee0e45\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-73fe875\" data-id=\"73fe875\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-1532a35 elementor-widget elementor-widget-text-editor\" data-id=\"1532a35\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<h3>NTLM\u4f7f\u7528\u72b6\u6cc1\u3078\u306e\u5f71\u97ff<\/h3><p data-start=\"53\" data-end=\"173\"><strong data-start=\"53\" data-end=\"63\">IAKERB<\/strong>\u304a\u3088\u3073<strong data-start=\"66\" data-end=\"77\">\u30ed\u30fc\u30ab\u30ebKDC<\/strong>\u306f\u3001NTLM\u306e\u4f7f\u7528\u306b\u5bfe\u3057\u3066\u5373\u6642\u304b\u3064\u5927\u304d\u306a\u5f71\u97ff\u3092\u4e0e\u3048\u308b\u3068\u898b\u3089\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u307e\u3067NTLM\u304c\u5fc5\u9808\u3068\u3055\u308c\u3066\u3044\u305f\u72b6\u6cc1\u306b\u304a\u3044\u3066\u3082\u3001Kerberos\u306e\u6d3b\u7528\u7bc4\u56f2\u304c\u5927\u304d\u304f\u5e83\u304c\u308b\u3053\u3068\u304c\u671f\u5f85\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p><p data-start=\"175\" data-end=\"225\">\u3057\u304b\u3057\u3001\u3044\u304f\u3064\u304b\u306e\u6761\u4ef6\u4e0b\u3067\u306fNTLM\u306b\u30d5\u30a9\u30fc\u30eb\u30d0\u30c3\u30af\uff08\u81ea\u52d5\u5207\u308a\u66ff\u3048\uff09\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u305f\u3068\u3048\u3070\uff1a<\/p><ul><li>Kerberos\u306f\u3001\u30bf\u30fc\u30b2\u30c3\u30c8\u30b5\u30fc\u30d0\u30fc\u306e\u8b58\u5225\u306bIP\u30a2\u30c9\u30ec\u30b9\u3092\u4f7f\u7528\u3057\u307e\u305b\u3093\u3002\u305d\u306e\u305f\u3081\u3001\u74b0\u5883\u306b\u3088\u3063\u3066\u306fKerberos\u304c\u4f7f\u3048\u305a\u3001NTLM\u304c\u9078\u629e\u3055\u308c\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u306b\u5bfe\u5fdc\u3059\u308b\u305f\u3081\u306b\u3001Kerberos\u3067IP\u30a2\u30c9\u30ec\u30b9\u3092\u6271\u3048\u308b\u3088\u3046\u306b\u3059\u308b\u30dd\u30ea\u30b7\u30fc\u8a2d\u5b9a\u304c\u53ef\u80fd\u3067\u3059\u3002<\/li><li>\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u304c\u30bf\u30fc\u30b2\u30c3\u30c8\u30b5\u30fc\u30d0\u30fc\u3092\u8a8d\u8b58\u3057\u3066\u3044\u306a\u3044\u5834\u5408\u3084\u3001\u30bf\u30fc\u30b2\u30c3\u30c8\u304c\u7a7a\uff08null\uff09\u306e\u5834\u5408\u306b\u306f\u3001Kerberos\u306b\u3088\u308b\u8a8d\u8a3c\u304c\u6210\u7acb\u305b\u305a\u3001NTLM\u304c\u4f7f\u7528\u3055\u308c\u308b\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002\u3053\u3046\u3057\u305f\u30b1\u30fc\u30b9\u306b\u306f\u3001\u4eca\u5f8c\u306eWindows\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u3067\u5bfe\u5fdc\u4e88\u5b9a\u306e\u65b0\u6a5f\u80fd\u306b\u3088\u3063\u3066\u89e3\u6c7a\u304c\u56f3\u3089\u308c\u308b\u898b\u8fbc\u307f\u3067\u3059\u3002<\/li><\/ul><h2>Microsoft\u306e\u30d3\u30b8\u30e7\u30f3\uff1a\u3088\u308a\u5b89\u5168\u306a\u672a\u6765\u3078<\/h2><p data-start=\"59\" data-end=\"202\">Microsoft\u306f\u3001\u5358\u306bNTLM\u3092\u7f6e\u304d\u63db\u3048\u308b\u3053\u3068\u306b\u3068\u3069\u307e\u3089\u305a\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5168\u4f53\u306e\u5f37\u5316\u306b\u53d6\u308a\u7d44\u3093\u3067\u3044\u307e\u3059\u3002\u4eca\u5f8c\u30ea\u30ea\u30fc\u30b9\u3055\u308c\u308bWindows\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3067\u306f\u3001\u30b7\u30b9\u30c6\u30e0\u5185\u3067NTLM\u304c\u3069\u306e\u3088\u3046\u306b\u4f7f\u308f\u308c\u3066\u3044\u308b\u304b\u3092\u53ef\u8996\u5316\u3057\u3001\u305d\u306e\u4f7f\u7528\u3092\u6700\u5c0f\u9650\u306b\u6291\u3048\u308b\u305f\u3081\u306e\u6a5f\u80fd\u304c\u5c0e\u5165\u3055\u308c\u308b\u4e88\u5b9a\u3067\u3059\u3002<\/p><p data-start=\"204\" data-end=\"260\">\u3053\u306e\u53d6\u308a\u7d44\u307f\u306f\u3001\u30e6\u30fc\u30b6\u30fc\u81ea\u8eab\u304cNTLM\u304b\u3089\u306e\u8131\u5374\u3092\u6bb5\u968e\u7684\u306b\u9032\u3081\u3089\u308c\u308b\u3088\u3046\u652f\u63f4\u3059\u308b\u3053\u3068\u3092\u76ee\u7684\u3068\u3057\u3066\u3044\u307e\u3059\u3002<\/p><p><img decoding=\"async\" class=\"alignnone\" src=\"https:\/\/visualitynq.com\/app\/uploads\/vision-600x400-1.png\" alt=\"\" width=\"600\" height=\"400\" \/><\/p><p>Microsoft\u306e\u6700\u7d42\u7684\u306a\u76ee\u6a19\u306f\u3001\u4eca\u5f8c\u8907\u6570\u306eWindows\u30ea\u30ea\u30fc\u30b9\u3092\u901a\u3058\u3066\u3001Windows\u5168\u4f53\u306e\u30a8\u30b3\u30b7\u30b9\u30c6\u30e0\u304b\u3089NTLM\u306e\u4f7f\u7528\u3092\u5b8c\u5168\u306b\u6392\u9664\u3059\u308b\u3053\u3068\u3067\u3059\u3002<\/p><h3>Negotiate\u3068\u306e\u30b7\u30fc\u30e0\u30ec\u30b9\u306a\u7d71\u5408<\/h3><p data-start=\"62\" data-end=\"270\">\u3053\u3053\u3067\u91cd\u8981\u306b\u306a\u308b\u306e\u304c\u3001\u300c\u3053\u308c\u3089\u306e\u65b0\u3057\u3044\u8a8d\u8a3c\u65b9\u5f0f\u3078\u3069\u3046\u79fb\u884c\u3059\u308b\u304b\u300d\u3068\u3044\u3046\u70b9\u3067\u3059\u3002<br data-start=\"101\" data-end=\"104\" \/><span data-start=\"104\" data-end=\"114\">IAKERB<\/span>\u304a\u3088\u3073<span data-start=\"117\" data-end=\"128\">\u30ed\u30fc\u30ab\u30ebKDC<\/span>\u306f\u3001\u3059\u3067\u306b\u5e83\u304f\u4f7f\u308f\u308c\u3066\u3044\u308b<span data-start=\"141\" data-end=\"170\">SPNEGO\uff08\u5225\u540d Negotiate\uff09\u30d7\u30ed\u30c8\u30b3\u30eb<\/span>\u306e<span data-start=\"171\" data-end=\"182\">\u30b5\u30d6\u30d7\u30ed\u30c8\u30b3\u30eb<\/span>\u3068\u3057\u3066\u7d71\u5408\u3055\u308c\u308b\u4e88\u5b9a\u3067\u3059\u3002SPNEGO\u306f\u3001<span data-start=\"203\" data-end=\"237\">Microsoft\u304c10\u5e74\u4ee5\u4e0a\u306b\u308f\u305f\u3063\u3066\u63a8\u5968\u3057\u3066\u304d\u305f\u8a8d\u8a3c\u65b9\u5f0f<\/span>\u3067\u3042\u308a\u3001\u6700\u65b0\u306eWindows\u30c7\u30d0\u30a4\u30b9\u3067\u306f\u6a19\u6e96\u7684\u306b\u63a1\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p><p data-start=\"272\" data-end=\"366\">Negotiate\u306b\u306f\u3059\u3067\u306b<span data-start=\"286\" data-end=\"307\">\u30d5\u30a9\u30fc\u30eb\u30d0\u30c3\u30af\u6a5f\u80fd<\/span>\u304c\u5099\u308f\u3063\u3066\u304a\u308a\u3001\u65b0\u6a5f\u80fd\u304c\u5b9f\u88c5\u3055\u308c\u308b\u3068\u3001Windows\u74b0\u5883\u3067\u306e\u6a19\u6e96\u7684\u306aNegotiate\u8a8d\u8a3c\u306e\u6d41\u308c\u306f\u6b21\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\uff1a<\/p><ol data-start=\"368\" data-end=\"470\"><li data-start=\"368\" data-end=\"392\"><p data-start=\"371\" data-end=\"392\">\u307e\u305a <strong data-start=\"374\" data-end=\"386\">Kerberos<\/strong> \u3092\u8a66\u884c<\/p><\/li><li data-start=\"393\" data-end=\"432\"><p data-start=\"396\" data-end=\"432\">\u6b21\u306b <strong data-start=\"399\" data-end=\"409\">IAKERB<\/strong>\uff08\u5bfe\u8c61\u306b\u5fdc\u3058\u3066\u30ed\u30fc\u30ab\u30ebKDC\u3092\u542b\u3080\uff09\u3092\u8a66\u884c<\/p><\/li><li data-start=\"433\" data-end=\"470\"><p data-start=\"436\" data-end=\"470\">\u305d\u308c\u3067\u3082\u5931\u6557\u3057\u305f\u5834\u5408\u3001\u6700\u5f8c\u306e\u624b\u6bb5\u3068\u3057\u3066 <strong data-start=\"456\" data-end=\"464\">NTLM<\/strong> \u3092\u4f7f\u7528<\/p><\/li><\/ol><p data-start=\"472\" data-end=\"542\">\u3053\u306e\u3088\u3046\u306b\u3001Negotiate\u7d4c\u7531\u3067\u306e\u8a8d\u8a3c\u306f\u3001<span data-start=\"495\" data-end=\"535\">\u3088\u308a\u5b89\u5168\u306a\u30d7\u30ed\u30c8\u30b3\u30eb\u3092\u512a\u5148\u7684\u306b\u4f7f\u7528\u3057\u3001NTLM\u306f\u6975\u529b\u4f7f\u308f\u308c\u306a\u3044\u3088\u3046\u306b\u69cb\u6210<\/span>\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p><h3 style=\"text-align: left\">\u5b9f\u88c5\u306e\u7c21\u7d20\u5316\u3068\u76f8\u4e92\u904b\u7528\u6027<\/h3><p>\u5b9f\u88c5\u65b9\u6cd5\u306f\u3001\u73fe\u5728\u306e\u8a8d\u8a3c\u8a2d\u5b9a\u306b\u5fdc\u3058\u3066\u7570\u306a\u308a\u307e\u3059\u304c\u3001\u7ba1\u7406\u304a\u3088\u3073\u904b\u7528\u306e\u30d1\u30bf\u30fc\u30f3\u306f\u5927\u304d\u304f\u4ee5\u4e0b\u306e3\u3064\u306b\u5206\u985e\u3055\u308c\u307e\u3059\uff1a<\/p><ol><li>SPNEGO\u3092\u5229\u7528\u3057\u3066\u3044\u308b\u5834\u5408 &#8211; \u3059\u3067\u306b<span data-start=\"134\" data-end=\"170\">SPNEGO\uff08Negotiate\uff09\u3092\u4f7f\u7528\u3057\u3066\u8a8d\u8a3c\u3092\u884c\u3063\u3066\u3044\u308b\u74b0\u5883<\/span>\u3067\u306f\u3001Microsoft\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\u306b\u6cbf\u3063\u3066\u69cb\u6210\u3055\u308c\u3066\u3044\u308b\u305f\u3081\u3001\u30b7\u30b9\u30c6\u30e0\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u5f8c\u306f<span data-start=\"218\" data-end=\"239\">\u8ffd\u52a0\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3084\u7ba1\u7406\u4f5c\u696d\u306a\u3057\u306b<\/span>\u65b0\u6a5f\u80fd\uff08IAKERB\u3084\u30ed\u30fc\u30ab\u30ebKDC\uff09\u306e\u6069\u6075\u3092\u53d7\u3051\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<br data-start=\"273\" data-end=\"276\" \/>SPNEGO\u306f\u3001\u53ef\u80fd\u306a\u5834\u5408\u306f\u81ea\u52d5\u7684\u306b<span data-start=\"294\" data-end=\"315\">IAKERB\u3084\u30ed\u30fc\u30ab\u30ebKDC\u3092\u6d3b\u7528<\/span>\u3057\u3001\u305d\u308c\u304c\u3067\u304d\u306a\u3044\u5834\u5408\u306f<span data-start=\"327\" data-end=\"343\">NTLM\u306b\u30d5\u30a9\u30fc\u30eb\u30d0\u30c3\u30af<\/span>\u3057\u307e\u3059\u3002\u305f\u3060\u3057\u3001\u3053\u306e\u969b\u306b<span data-start=\"355\" data-end=\"375\">\u76f8\u4e92\u904b\u7528\u6027\u306e\u554f\u984c\u304c\u767a\u751f\u3059\u308b\u53ef\u80fd\u6027<\/span>\u3082\u3042\u308a\u307e\u3059\u3002<\/li><li>NTLM\u3092\u30cf\u30fc\u30c9\u30b3\u30fc\u30c9\u3057\u3066\u3044\u308b\u5834\u5408 &#8211; \u660e\u793a\u7684\u306b\u300cNTLM\u300d\u3092\u6307\u5b9a\u3057\u3066Windows\u8a8d\u8a3c\u3092\u884c\u3063\u3066\u3044\u308b\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306a\u3069\u3067\u306f\u3001\u300cNTLM\u300d\u3092\u300cNegotiate\u300d\u306b\u7f6e\u304d\u63db\u3048\u308b\u3053\u3068\u3067\u3001\u591a\u304f\u306e\u5834\u5408NTLM\u304b\u3089Negotiate\u3078\u306e\u79fb\u884c\u304c\u6bd4\u8f03\u7684\u7c21\u5358\u306b\u5b9f\u73fe\u3067\u304d\u307e\u3059\u3002\u8907\u96d1\u306a\u518d\u69cb\u7bc9\u306f\u4e0d\u8981\u306a\u30b1\u30fc\u30b9\u304c\u591a\u3044\u3067\u3059\u3002<\/li><li>Windows\u3068\u975eWindows\u74b0\u5883\u306e\u76f8\u4e92\u904b\u7528 &#8211; Windows\u3068\u975eWindows\u30b7\u30b9\u30c6\u30e0\u306e\u9593\u3067\u8a8d\u8a3c\u9023\u643a\u3092\u884c\u3046\u5834\u5408\u306f\u3001\u3088\u308a\u614e\u91cd\u306a\u8a2d\u8a08\u3068\u78ba\u8a8d\u304c\u5fc5\u8981\u3067\u3059\u3002IAKERB\u3092\u5229\u7528\u3059\u308b\u306b\u306f\u3001\u901a\u4fe1\u306e\u4e21\u7aef\u3067IAKERB\u304c\u5b9f\u88c5\u3055\u308c\u3066\u3044\u308b\u3001\u3082\u3057\u304f\u306fIAKERB\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u30ed\u30fc\u30ab\u30ebKDC\u3092\u5229\u7528\u3059\u308b\u5834\u5408\u3082\u540c\u69d8\u3067\u3059\u3002\u975eWindows\u5074\u3067IAKERB\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u3044\u306a\u3044\u5834\u5408\u306f\u3001\u5f15\u304d\u7d9a\u304dNTLM\u306b\u3088\u308b\u30d5\u30a9\u30fc\u30eb\u30d0\u30c3\u30af\u304c\u53ef\u80fd\u3067\u3059\u304c\u3001NTLM\u306e\u6bb5\u968e\u7684\u5ec3\u6b62\u304c\u9032\u3093\u3067\u3044\u308b\u3053\u3068\u3092\u8e0f\u307e\u3048\u308b\u3068\u3001\u3088\u308a\u73fe\u4ee3\u7684\u3067\u5b89\u5168\u306a\u8a8d\u8a3c\u30d7\u30ed\u30c8\u30b3\u30eb\u3078\u306e\u79fb\u884c\u3092\u8996\u91ce\u306b\u5165\u308c\u305f\u9577\u671f\u7684\u306a\u8a08\u753b\u304c\u63a8\u5968\u3055\u308c\u307e\u3059\u3002<\/li><\/ol><h3 style=\"text-align: left\">IT\u7ba1\u7406\u8005\u306e\u305f\u3081\u306e\u304d\u3081\u7d30\u304b\u306a\u7ba1\u7406\u6a5f\u80fd<\/h3><p>\u591a\u304f\u306e\u76f8\u4e92\u904b\u7528\u306e\u8ab2\u984c\u306f\u3001\u30d5\u30a9\u30fc\u30eb\u30d0\u30c3\u30af\u6a5f\u80fd\u306b\u3088\u3063\u3066\u81ea\u52d5\u7684\u306b\u7de9\u548c\u3055\u308c\u308b\u3053\u3068\u304c\u671f\u5f85\u3055\u308c\u3066\u3044\u307e\u3059\u304c\u3001Microsoft\u306f\u3053\u308c\u306b\u52a0\u3048\u3066\u3001\u7ba1\u7406\u8005\u304c\u79fb\u884c\u3092\u304d\u3081\u7d30\u304b\u304f\u5236\u5fa1\u3067\u304d\u308b\u3088\u3046\u3001\u3055\u307e\u3056\u307e\u306a\u7ba1\u7406\u6a5f\u80fd\u3082\u63d0\u4f9b\u3057\u3066\u3044\u307e\u3059\u3002<\/p><p style=\"text-align: center\"><img decoding=\"async\" class=\"alignnone\" src=\"https:\/\/visualitynq.com\/app\/uploads\/admin-600x400-1.png\" alt=\"\" width=\"600\" height=\"400\" \/><\/p><p>\u3053\u308c\u3089\u306e\u7ba1\u7406\u6a5f\u80fd\u306b\u306f\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u9805\u76ee\u304c\u542b\u307e\u308c\u307e\u3059\uff1a<\/p><ol><li>\u76e3\u67fb\u3068\u5236\u5fa1\uff1a\u65e2\u5b58\u306eMicrosoft\u30c4\u30fc\u30eb\u3092\u6d3b\u7528\u3059\u308b\u3053\u3068\u3067\u3001NTLM\u306e\u4f7f\u7528\u72b6\u6cc1\u3092\u76e3\u67fb\u3057\u3001\u4e00\u90e8\u306e\u5236\u5fa1\u3092\u884c\u3046\u3053\u3068\u304c\u53ef\u80fd\u3067\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001NTLM\u306b\u5f37\u304f\u4f9d\u5b58\u3057\u3066\u3044\u308b\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3092\u7279\u5b9a\u3057\u3001\u7279\u5b9a\u306eNTLM\u30d0\u30fc\u30b8\u30e7\u30f3\u306e\u4f7f\u7528\u3092\u500b\u5225\u306b\u7981\u6b62\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002<\/li><li>\u30c7\u30d0\u30a4\u30b9\u5358\u4f4d\u3067\u306e\u8a2d\u5b9a\uff1a IAKERB\u306f\u3001\u30c7\u30d0\u30a4\u30b9\u3054\u3068\u306e\u8a2d\u5b9a\u304c\u53ef\u80fd\u3067\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u74b0\u5883\u5168\u4f53\u306b\u5bfe\u3059\u308b\u4e00\u62ec\u7ba1\u7406\u3082\u3001\u7279\u5b9a\u306e\u30c7\u30d0\u30a4\u30b9\u306b\u5bfe\u3059\u308b\u304d\u3081\u7d30\u304b\u306a\u8abf\u6574\u3082\u884c\u3048\u307e\u3059\u3002<\/li><li>\u30b5\u30fc\u30d3\u30b9\u5358\u4f4d\u3067\u306e\u8a2d\u5b9a\uff1a IAKERB\u306f\u3001\u30b5\u30fc\u30d3\u30b9\u5358\u4f4d\u3067\u306e\u6709\u52b9\u5316\u3084\u9664\u5916\u8a2d\u5b9a\u306b\u3082\u5bfe\u5fdc\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u4e00\u90e8\u306e\u30b5\u30fc\u30d3\u30b9\u3060\u3051\u3092\u5909\u66f4\u5bfe\u8c61\u304b\u3089\u9664\u5916\u3059\u308b\u67d4\u8edf\u306a\u904b\u7528\u304c\u53ef\u80fd\u3067\u3059\u3002<\/li><li>\u30ec\u30b8\u30b9\u30c8\u30ea\u304a\u3088\u3073\u30b0\u30eb\u30fc\u30d7\u30dd\u30ea\u30b7\u30fc\u306b\u3088\u308b\u5236\u5fa1\uff1aIAKERB\u304a\u3088\u3073\u30ed\u30fc\u30ab\u30ebKDC\u306e\u5168\u4f53\u7684\u306a\u6319\u52d5\u306f\u3001\u30ec\u30b8\u30b9\u30c8\u30ea\u30ad\u30fc\u3084\u30b0\u30eb\u30fc\u30d7\u30dd\u30ea\u30b7\u30fc\u3092\u901a\u3058\u3066\u30aa\u30f3\uff0f\u30aa\u30d5\u3092\u5207\u308a\u66ff\u3048\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u4e92\u63db\u6027\u3084\u76f8\u4e92\u904b\u7528\u6027\u306b\u95a2\u3059\u308b\u554f\u984c\u306b\u5bfe\u51e6\u3059\u308b\u305f\u3081\u306e\u6e96\u5099\u671f\u9593\u3092\u78ba\u4fdd\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/li><\/ol><h2>NTLM\u306e\u7d42\u7109\u306b\u5411\u3051\u3066<\/h2><p>\u6539\u3081\u3066\u5f37\u8abf\u3059\u3079\u304d\u306a\u306e\u306f\u3001NTLM\u306f\u6700\u7d42\u7684\u306b\u5ec3\u6b62\u3055\u308c\u308b\u904b\u547d\u306b\u3042\u308b\u3068\u3044\u3046\u70b9\u3067\u3059\u3002\u4f01\u696d\u306f\u3001\u5358\u306bNTLM\u3092\u7121\u52b9\u5316\u3059\u308b\u3060\u3051\u3067\u306a\u304f\u3001\u305d\u306e\u5148\u3092\u898b\u636e\u3048\u305f\u8a08\u753b\u7684\u306a\u5bfe\u5fdc\u304c\u6c42\u3081\u3089\u308c\u307e\u3059\u3002Windows\u306b\u304a\u3051\u308bNTLM\u306e\u30b5\u30dd\u30fc\u30c8\u7d42\u4e86\u306f\u907f\u3051\u3089\u308c\u306a\u3044\u6d41\u308c\u3067\u3042\u308a\u3001\u7d44\u7e54\u306f\u305d\u308c\u306b\u5099\u3048\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u4eca\u56de\u7d39\u4ecb\u3057\u305fIAKERB\u3084\u30ed\u30fc\u30ab\u30ebKDC\u306f\u3001\u3053\u306e\u5927\u898f\u6a21\u306a\u79fb\u884c\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306e\u7b2c\u4e00\u30d5\u30a7\u30fc\u30ba\u306b\u904e\u304e\u307e\u305b\u3093\u3002Microsoft\u306f\u3001\u5b9f\u969b\u306e\u4f7f\u7528\u30c7\u30fc\u30bf\u306b\u57fa\u3065\u3044\u3066\u6226\u7565\u3068\u30b9\u30b1\u30b8\u30e5\u30fc\u30eb\u3092\u7b56\u5b9a\u3057\u3066\u304a\u308a\u3001\u9867\u5ba2\u3084\u30d1\u30fc\u30c8\u30ca\u30fc\u304c\u6bb5\u968e\u7684\u306b\u5bfe\u5fdc\u3067\u304d\u308b\u3088\u3046\u914d\u616e\u3057\u3066\u3044\u307e\u3059\u3002<\/p><p>\u73fe\u5728\u3067\u3082\u3001NTLM\u3092Windows\u74b0\u5883\u3067\u7121\u52b9\u5316\u3059\u308b\u3053\u3068\u306f\u6280\u8853\u7684\u306b\u306f\u53ef\u80fd\u3067\u3059\u3002\u305f\u3060\u3057\u3001NTLM\u306f\u4ed6\u306e\u30d7\u30ed\u30c8\u30b3\u30eb\u304c\u4f7f\u7528\u3067\u304d\u306a\u3044\u4e00\u90e8\u306e\u72b6\u6cc1\u3067\u4eca\u3082\u5fc5\u8981\u3068\u3055\u308c\u3066\u3044\u308b\u305f\u3081\u3001\u6a5f\u80fd\u505c\u6b62\u3084\u4e0d\u5177\u5408\u3092\u5f15\u304d\u8d77\u3053\u3059\u30ea\u30b9\u30af\u304c\u3042\u308a\u307e\u3059\u3002Microsoft\u306f\u4eca\u5f8c\u3001NTLM\u304c\u4f9d\u7136\u3068\u3057\u3066\u5fc5\u8981\u3068\u3055\u308c\u308b\u30b7\u30ca\u30ea\u30aa\u306b\u3064\u3044\u3066\u306e\u60c5\u5831\u3082\u63d0\u4f9b\u3057\u3066\u3044\u304f\u4e88\u5b9a\u3067\u3059\u3002<\/p><p>\u3053\u306e\u3088\u3046\u306b\u3001Microsoft\u306e\u6226\u7565\u306f<strong data-start=\"529\" data-end=\"552\">\u8907\u6570\u30d5\u30a7\u30fc\u30ba\u306b\u5206\u3051\u305f\u6bb5\u968e\u7684\u306a\u30a2\u30d7\u30ed\u30fc\u30c1<\/strong>\u3068\u306a\u3063\u3066\u304a\u308a\u3001\u7d44\u7e54\u306f\u81ea\u5206\u305f\u3061\u306e\u30da\u30fc\u30b9\u3067\u79fb\u884c\u3092\u9032\u3081\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u305d\u3057\u3066\u3001Windows\u306e\u4eca\u5f8c\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3067\u306f\u3001<strong><a href=\"https:\/\/visualitynq.com\/ja\/resources\/articles\/ntlm-blocking\/\">NTLM\u304c\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u7121\u52b9<\/a><\/strong>\u306b\u306a\u308b\u3053\u3068\u304c\u4e88\u5b9a\u3055\u308c\u3066\u304a\u308a\u3001IT\u7ba1\u7406\u8005\u306f\u3053\u308c\u3092\u898b\u8d8a\u3057\u3066\u4e8b\u524d\u306b\u5bfe\u5fdc\u3092\u9032\u3081\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p><p>\u73fe\u5728\u306e\u30d5\u30a7\u30fc\u30ba\u3067\u306f\u3001\u591a\u304f\u306e\u30e6\u30fc\u30b6\u30fc\u306b\u3068\u3063\u3066\u76ee\u7acb\u3063\u305f\u5909\u5316\u306f\u306a\u3044\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u304c\u3001\u554f\u984c\u304c\u767a\u751f\u3057\u305f\u5834\u5408\u306f\u4e00\u6642\u7684\u306bNTLM\u3092\u518d\u6709\u52b9\u5316\u3059\u308b\u3053\u3068\u3082\u53ef\u80fd\u3067\u3059\u3002\u305f\u3060\u3057\u3001\u6700\u7d42\u30d5\u30a7\u30fc\u30ba\u3067\u306fNTLM\u304c\u5b8c\u5168\u306bWindows\u304b\u3089\u524a\u9664\u3055\u308c\u308b\u4e88\u5b9a\u3067\u3042\u308a\u3001\u305d\u306e\u6642\u671f\u306fMicrosoft\u306b\u3088\u3063\u3066\u6c7a\u5b9a\u3055\u308c\u307e\u3059\u3002<\/p><p>\u4eca\u3053\u305d\u3001NTLM\u306e\u6271\u3044\u306b\u3064\u3044\u3066\u771f\u5263\u306b\u5411\u304d\u5408\u3044\u3001\u305d\u306e\u78ba\u5b9f\u306a\u7d42\u7109\u306b\u5099\u3048\u308b\u6642\u3067\u3059\u3002<br data-start=\"873\" data-end=\"876\" \/>NTLM\u304c\u6c88\u3080\u3068\u304d\u3001\u3088\u308a\u660e\u308b\u304f\u5b89\u5168\u306a\u672a\u6765\u304c\u79c1\u305f\u3061\u3092\u5f85\u3063\u3066\u3044\u307e\u3059\u3002<\/p><h2>Kerberos\u306e\u5f37\u307f<\/h2><p>\u8001\u673d\u5316\u3057\u305fNTLM\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3068\u306f\u5bfe\u7167\u7684\u306b\u3001Kerberos\u306f\u73fe\u4ee3\u7684\u304b\u3064\u5805\u7262\u306a\u8a8d\u8a3c\u30d7\u30ed\u30c8\u30b3\u30eb\u3068\u3057\u3066\u9ad8\u304f\u8a55\u4fa1\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p><p style=\"text-align: center\"><img decoding=\"async\" class=\"aligncenter\" src=\"https:\/\/visualitynq.com\/app\/uploads\/strengths-600x400-1.png\" alt=\"\" width=\"600\" height=\"400\" \/><\/p><p>Kerberos\u306f\u3001<span data-start=\"50\" data-end=\"75\">\u6700\u65b0\u306e\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u306b\u57fa\u3065\u3044\u305f\u5f37\u529b\u306a\u6697\u53f7\u6280\u8853<\/span>\u3092\u63a1\u7528\u3057\u3066\u304a\u308a\u3001\u901a\u4fe1\u306e\u5b89\u5168\u6027\u3092\u3057\u3063\u304b\u308a\u3068\u78ba\u4fdd\u3057\u3066\u3044\u307e\u3059\u3002\u305d\u306e\u5927\u304d\u306a\u7279\u9577\u306e\u4e00\u3064\u304c<span data-start=\"117\" data-end=\"127\">\u30b5\u30fc\u30d0\u30fc\u8a8d\u8a3c<\/span>\u3067\u3001\u3053\u308c\u306b\u3088\u308a\u30e6\u30fc\u30b6\u30fc\u306f<span data-start=\"139\" data-end=\"159\">\u610f\u56f3\u3057\u305f\u6b63\u898f\u306e\u30b5\u30fc\u30d0\u30fc\u306b\u306e\u307f\u63a5\u7d9a<\/span>\u3067\u304d\u308b\u305f\u3081\u3001<span data-start=\"165\" data-end=\"189\">\u30ea\u30ec\u30fc\u653b\u6483\u306a\u3069\u306e\u60aa\u610f\u3042\u308b\u4e2d\u9593\u8005\u653b\u6483\u3092\u9632\u6b62<\/span>\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u3055\u3089\u306bKerberos\u306f\u3001<span data-start=\"214\" data-end=\"244\">\u8a3c\u660e\u66f8\u3001\u751f\u4f53\u8a8d\u8a3c\u3001\u591a\u8981\u7d20\u8a8d\u8a3c\uff08MFA\uff09\u3001FIDO\u30ad\u30fc<\/span>\u306a\u3069\u3001<span data-start=\"247\" data-end=\"258\">\u591a\u69d8\u306a\u8a8d\u8a3c\u65b9\u5f0f<\/span>\u306b\u5bfe\u5fdc\u3057\u3066\u304a\u308a\u3001\u696d\u754c\u5168\u4f53\u304c\u9032\u3081\u308b<span data-start=\"274\" data-end=\"292\">\u3088\u308a\u9ad8\u5ea6\u3067\u5b89\u5168\u306a\u8a8d\u8a3c\u3078\u306e\u79fb\u884c<\/span>\u3068\u3082\u5408\u81f4\u3057\u3066\u3044\u307e\u3059\u3002Windows\u306b\u304a\u3051\u308b\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5f37\u5316\u306e\u4e00\u74b0\u3068\u3057\u3066NTLM\u306f\u305d\u306e\u5f79\u5272\u3092\u7d42\u3048\u3064\u3064\u3042\u308a\u307e\u3059\u304c\u3001<span data-start=\"349\" data-end=\"393\">Kerberos\u306f\u4eca\u5f8c\u3082\u9032\u5316\u3059\u308b\u8105\u5a01\u306b\u7acb\u3061\u5411\u304b\u3046\u5805\u7262\u306a\u8a8d\u8a3c\u57fa\u76e4\u3068\u3057\u3066\u6b8b\u308a\u7d9a\u3051\u307e\u3059<\/span>\u3002<\/p><h2 style=\"text-align: left\">Visuality Systems\uff1a\u4fe1\u983c\u3067\u304d\u308bSMB\u30d7\u30ed\u30c8\u30b3\u30eb\u30d1\u30fc\u30c8\u30ca\u30fc<\/h2><div><p>\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u91cd\u8981\u6027\u304c\u307e\u3059\u307e\u3059\u9ad8\u307e\u308b\u4eca\u3001\u771f\u306b\u5b89\u5fc3\u3067\u304d\u308b\u306e\u306f<span data-start=\"114\" data-end=\"143\">\u30d7\u30ed\u30c8\u30b3\u30eb\u3060\u3051\u3067\u306f\u306a\u304f\u3001\u4fe1\u983c\u3067\u304d\u308b\u30d1\u30fc\u30c8\u30ca\u30fc\u306e\u5b58\u5728<\/span>\u3067\u3059\u3002Visuality Systems\u306f\u3001<span data-start=\"165\" data-end=\"185\">\u30bb\u30ad\u30e5\u30a2\u306aSMB\u901a\u4fe1\u306e\u5b9f\u73fe\u306b\u6ce8\u529b<\/span>\u3057\u7d9a\u3051\u3066\u304a\u308a\u3001\u7686\u3055\u307e\u306e\u4fe1\u983c\u3067\u304d\u308b\u30d1\u30fc\u30c8\u30ca\u30fc\u3068\u3057\u3066<span data-start=\"209\" data-end=\"235\">\u6700\u65b0\u304b\u3064\u5b89\u5168\u306a<strong><a href=\"https:\/\/visualitynq.com\/ja\/\">SMB\u30d7\u30ed\u30c8\u30b3\u30eb\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3<\/a><\/strong><\/span>\u3092\u63d0\u4f9b\u3057\u3066\u3044\u307e\u3059\u3002<\/p><p><span data-start=\"246\" data-end=\"316\">SMB<span data-start=\"273\" data-end=\"297\">\u306f\u3001Microsoft\u306b\u3088\u3063\u3066\u958b\u767a\u3055\u308c\u305f<\/span>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af<strong><a href=\"https:\/\/visualitynq.com\/ja\/resources\/articles\/what-is-smb-what-it-decision-makers-need-to-know\/\">\u30d5\u30a1\u30a4\u30eb\u5171\u6709\u30d7\u30ed\u30c8\u30b3\u30eb<\/a><\/strong><\/span>\u3067\u3001\u30d5\u30a1\u30a4\u30eb\u3084\u30d7\u30ea\u30f3\u30bf\u30fc\u3001\u305d\u306e\u4ed6\u306e\u30ea\u30bd\u30fc\u30b9\u3092\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u4e0a\u3067\u5171\u6709\u3059\u308b\u305f\u3081\u306b\u5e83\u304f\u4f7f\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002SMB\u306f\u8907\u6570\u306e\u30c8\u30e9\u30f3\u30b9\u30dd\u30fc\u30c8\u30d7\u30ed\u30c8\u30b3\u30eb\u4e0a\u3067\u52d5\u4f5c\u3057\u3001\u305d\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306f\u4f7f\u7528\u3055\u308c\u308b\u8a8d\u8a3c\u65b9\u5f0f\uff08NTLM\u3084Kerberos\uff09\u3068\u6df1\u304f\u95a2\u4fc2\u3057\u3066\u3044\u307e\u3059\u3002<\/p><p>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u4e0a\u3067SMB\u3092\u901a\u3058\u3066\u5171\u6709\u30d5\u30a1\u30a4\u30eb\u306a\u3069\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u969b\u3001\u3069\u306e\u8a8d\u8a3c\u65b9\u5f0f\u3092\u4f7f\u7528\u3059\u308b\u304b\u306b\u3088\u3063\u3066<span data-start=\"487\" data-end=\"503\">\u901a\u4fe1\u306e\u5b89\u5168\u6027\u306f\u5927\u304d\u304f\u5de6\u53f3<\/span>\u3055\u308c\u307e\u3059\u3002\u3082\u3057Kerberos\u304c\u4f7f\u3048\u305a\u3001KDC\uff08\u30ad\u30fc\u914d\u5e03\u30bb\u30f3\u30bf\u30fc\uff09\u3078\u306e\u63a5\u7d9a\u7d4c\u8def\u304c\u78ba\u4fdd\u3067\u304d\u306a\u3044\u305f\u3081\u306bNTLM\u304c\u4f7f\u7528\u3055\u308c\u308b\u5834\u5408\u3067\u3082\u3001SMB\u306f<span data-start=\"571\" data-end=\"584\">TLS\u306b\u3088\u308b\u6697\u53f7\u5316<\/span>\u3067\u4e00\u5b9a\u306e\u4fdd\u8b77\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002\u305f\u3060\u3057\u3001\u305d\u308c\u3067\u3082<span data-start=\"605\" data-end=\"638\">Kerberos\u8a8d\u8a3c\u3068\u6bd4\u3079\u308b\u3068\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30ec\u30d9\u30eb\u306f\u52a3\u308a\u307e\u3059<\/span>\u3002<\/p><p>Visuality Systems\u306f\u3001<span data-start=\"660\" data-end=\"686\">Microsoft\u3068\u306e\u6226\u7565\u7684\u30d1\u30fc\u30c8\u30ca\u30fc\u30b7\u30c3\u30d7<\/span>\u3092\u901a\u3058\u3066\u3001\u30bb\u30ad\u30e5\u30a2\u306a\u30c7\u30b8\u30bf\u30eb\u672a\u6765\u3068\u3044\u3046\u30d3\u30b8\u30e7\u30f3\u3092\u5171\u6709\u3057\u3066\u304a\u308a\u3001Windows\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3068\u3044\u3046\u8907\u96d1\u306a\u9818\u57df\u306b\u304a\u3044\u3066\u3082\u3001\u304a\u5ba2\u69d8\u304c<span data-start=\"745\" data-end=\"770\">\u5b89\u5fc3\u3057\u3066\u524d\u9032\u3067\u304d\u308b\u3088\u3046\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u3044\u307e\u3059<\/span>\u3002<\/p><p><img decoding=\"async\" class=\"aligncenter\" src=\"https:\/\/visualitynq.com\/app\/uploads\/raphael-106x139-1.png\" alt=\"Raphael Barki, Head of Marketing, Visuality Systems\" width=\"106\" height=\"139\" \/><\/p><div data-id=\"7ae6a1ba\" data-element_type=\"widget\" data-widget_type=\"theme-post-content.default\"><div><div data-elementor-type=\"wp-post\" data-elementor-id=\"9563\"><section data-particle_enable=\"false\" data-particle-mobile-disabled=\"false\" data-id=\"4f87286\" data-element_type=\"section\"><div><div data-id=\"67b9db9\" data-element_type=\"column\"><div><div data-id=\"c1b485e\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\"><div><p style=\"text-align: center\">Raphael Barki, Head of Marketing, Visuality Systems<\/p><\/div><\/div><\/div><\/div><\/div><\/section><\/div><\/div><\/div><\/div>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Windows\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u9032\u5316\u3068\u3068\u3082\u306b\u3001NTLM\u3068Kerberos\u3068\u3044\u30462\u3064\u306e\u8a8d\u8a3c\u65b9\u5f0f\u304c\u91cd\u8981\u306a\u5f79\u5272\u3092\u679c\u305f\u3057\u3066\u304d\u307e\u3057\u305f\u3002\u672c\u8a18\u4e8b\u3067\u306f\u3001\u4f9d\u7136\u3068\u3057\u3066\u6839\u5f37\u304f\u4f7f\u308f\u308c\u3066\u3044\u308bNTLM\u306e\u73fe\u72b6\u3001\u5b89\u5168\u6027\u306b\u512a\u308c\u305fKerberos\u306e\u7279\u9577\u3001\u305d\u3057\u3066Kerberos\u306e\u3055\u3089\u306a\u308b\u666e\u53ca\u3068NTLM\u306e\u7e2e\u5c0f\u3092\u76ee\u6307\u3059Microsoft\u306e\u6226\u7565\u7684\u306a\u53d6\u308a\u7d44\u307f\u306b\u3064\u3044\u3066\u3054\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n","protected":false},"author":10,"featured_media":7170,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[10],"tags":[],"class_list":["post-7169","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-articles"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Windows\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\uff1aNTLM\u3001Kerberos\u3001\u305d\u3057\u3066\u3053\u308c\u304b\u3089\u306e\u5c55\u671b - Visualitynq Japan<\/title>\n<meta name=\"description\" content=\"SMB\u30d7\u30ed\u30c8\u30b3\u30eb\u306f\u3001QUIC\u306e\u6069\u6075\uff08\u30ec\u30a4\u30c6\u30f3\u30b7\u30fc\u77ed\u7e2e\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u5411\u4e0a\u3001\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u306e\u6697\u53f7\u5316\u306a\u3069\uff09\u3092\u53d7\u3051\u3066\u3044\u307e\u3059\u3002\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/visualitynq.com\/ja\/resources\/articles\/windows-security-ntlm-kerberos-and-the-road-ahead\/\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Windows\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\uff1aNTLM\u3001Kerberos\u3001\u305d\u3057\u3066\u3053\u308c\u304b\u3089\u306e\u5c55\u671b - Visualitynq Japan\" \/>\n<meta property=\"og:description\" content=\"SMB\u30d7\u30ed\u30c8\u30b3\u30eb\u306f\u3001QUIC\u306e\u6069\u6075\uff08\u30ec\u30a4\u30c6\u30f3\u30b7\u30fc\u77ed\u7e2e\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u5411\u4e0a\u3001\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u306e\u6697\u53f7\u5316\u306a\u3069\uff09\u3092\u53d7\u3051\u3066\u3044\u307e\u3059\u3002\" \/>\n<meta property=\"og:url\" content=\"https:\/\/visualitynq.com\/ja\/resources\/articles\/windows-security-ntlm-kerberos-and-the-road-ahead\/\" \/>\n<meta property=\"og:site_name\" content=\"Visualitynq Japan\" \/>\n<meta property=\"article:published_time\" content=\"2023-10-23T07:21:11+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-05-23T07:24:45+00:00\" \/>\n<meta property=\"og:image\" 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