{"id":11700,"date":"2025-03-31T11:01:47","date_gmt":"2025-03-31T02:01:47","guid":{"rendered":"https:\/\/chat-messenger.com\/?p=11700"},"modified":"2025-04-25T14:39:43","modified_gmt":"2025-04-25T05:39:43","slug":"equilibreur-de-charge-dauthentification-windows-ssl","status":"publish","type":"post","link":"https:\/\/chat-messenger.com\/fr\/blog\/windowsauthentication-loadbalancer-ssl","title":{"rendered":"Comment configurer l&#039;authentification Windows int\u00e9gr\u00e9e IIS pour r\u00e9ussir dans un environnement d&#039;\u00e9quilibrage de charge + SSL"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">\u7d71\u5408Windows\u8a8d\u8a3c\u306b\u3064\u3044\u3066<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u7d71\u5408Windows\u8a8d\u8a3c\uff08Integrated Windows Authentication\uff09\u306f\u3001 IIS\u3068\u30e6\u30fc\u30b6\u30fc\u304c\u540c\u3058Active Directory\u30c9\u30e1\u30a4\u30f3\u306b\u6240\u5c5e\u3057\u3066\u3044\u308b\u5834\u5408\u306b\u3001\u81ea\u52d5\u7684\u306b\u30e6\u30fc\u30b6\u306e\u8a8d\u8a3c\u60c5\u5831\u3092IIS\u306b\u63d0\u4f9b\u3059\u308b\u4ed5\u7d44\u307f\u3067\u3059\u3002 ASP.NET \u306eC#\u3067\u30b5\u30a4\u30c8\u3092\u4f5c\u6210\u3059\u308b\u3068\u3001\u30e6\u30fc\u30b6\u8a8d\u8a3c\u6e08\u307f\u5224\u5b9a\u3001\u53ca\u3073\u8a8d\u8a3c\u6e08\u307f\u30e6\u30fc\u30b6\u306e\u60c5\u5831\u304c\u53d6\u5f97\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u308c\u306b\u3088\u308a\u3001\u30e6\u30fc\u30b6\u30fc\u306f\u8ffd\u52a0\u306e\u30ed\u30b0\u30a4\u30f3\u64cd\u4f5c\u3092\u305b\u305a\u306b\u3001IIS\u304c\u30db\u30b9\u30c8\u3059\u308b\uff08\u307e\u305f\u306f\u9023\u643a\u3059\u308b\uff09\u30a6\u30a7\u30d6\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u3001\u4ed6\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30b5\u30fc\u30d0\u3068SSO\u9023\u643a\u304c\u5b9f\u73fe\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3068\u3053\u308d\u304c\u3001Web\u30b5\u30fc\u30d0\u30fc\uff08IIS\uff09\u3092\u30ed\u30fc\u30c9\u30d0\u30e9\u30f3\u30b5\u30fc\u914d\u4e0b\u306b\u7f6e\u304d\u3001\u3055\u3089\u306b\u901a\u4fe1\u3092SSL\/TLS\u3067\u6697\u53f7\u5316\u3057\u305f\u74b0\u5883\u3067\u306f\u3001\u3053\u306eWindows\u8a8d\u8a3c\u304c\u6b63\u3057\u304f\u52d5\u4f5c\u3057\u306a\u3044\u30b1\u30fc\u30b9\u304c\u3042\u308a\u307e\u3059\u3002<span class=\"swl-marker mark_orange\">\u306a\u305c\u3067\u3057\u3087\u3046\u304b\uff1f<\/span><\/p>\n\n\n\n<div class=\"wp-block-columns\">\n<div class=\"wp-block-column\">\n<p class=\"is-style-icon_pen has-small-font-size wp-block-paragraph\">Windows \u8a8d\u8a3c\u306b\u6210\u529f\u3059\u308b\u3068\u30b7\u30fc\u30e0\u30ec\u30b9\u306b\u8a8d\u8a3c\u30b5\u30a4\u30c8\u3078\u30a2\u30af\u30bb\u30b9\u3059\u308b\u4ed5\u7d44\u307f\u3092\u5229\u7528\u3067\u304d\u308b\u304c\u3001\u5931\u6557\u3059\u308b\u3068\u30b5\u30a4\u30f3\u30a4\u30f3\u30c0\u30a4\u30e4\u30eb\u304c\u8868\u793a\u3055\u308c\u308b\u3002\u307e\u305f\u6b63\u3057\u304f\u8a8d\u8a3c\u3057\u306a\u3044\u5834\u5408\u306f\u3001HTTP Error 401.1 \u2013 Unauthorized \u3068\u306a\u308b\u3002<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column\">\n<figure class=\"wp-block-image size-large is-resized\"><img decoding=\"async\" src=\"https:\/\/chat-messenger.com\/wp-content\/uploads\/2025\/01\/image.png\" alt=\"\" width=\"459\" height=\"193\"\/><\/figure>\n<\/div>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u30dd\u30a4\u30f3\u30c8\u306f <strong>Windows\u8a8d\u8a3c\u306e\u4ed5\u7d44\u307f<\/strong> \u3068 <strong>\u30ed\u30fc\u30c9\u30d0\u30e9\u30f3\u30b5\u30fc\u306e\u52d5\u4f5c<\/strong> \u306b\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">NTLM\u306f\u5404\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3068\u30b5\u30fc\u30d0\u30fc\u9593\u3067\u5358\u4e00\u306eTCP\u63a5\u7d9a\u4e0a\u3067\u30c1\u30e3\u30ec\u30f3\u30b8\uff0f\u30ec\u30b9\u30dd\u30f3\u30b9\u3092\u884c\u3046\u8a8d\u8a3c\u65b9\u5f0f\u3067\u3059\u3002\u4e00\u65b9\u3001Kerberos\u306e\u5834\u5408\u3082\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306f\u30b5\u30fc\u30d3\u30b9\u8b58\u5225\u5b50 (SPN) \u306b\u57fa\u3065\u304d\u30c1\u30b1\u30c3\u30c8\u3092\u53d6\u5f97\u3057\u3001IIS\u306b\u9001\u4fe1\u3057\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u8a8d\u8a3c\u60c5\u5831\u306fHTTP\u30d8\u30c3\u30c0\u30fc\uff08<code>Authorization: Negotiate ...<\/code> \u7b49\uff09\u306b\u4e57\u305b\u3089\u308c\u3066\u3084\u308a\u53d6\u308a\u3055\u308c\u307e\u3059\u3002\u3057\u304b\u3057\u3001\u30ec\u30a4\u30e47\u306e\u30ed\u30fc\u30c9\u30d0\u30e9\u30f3\u30b5\u30fc\u306f\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u304b\u3089\u306eHTTPS\u63a5\u7d9a\u3092\u81ea\u88c5\u7f6e\u3067\u7d42\u7aef\u3057\u3066\u5185\u5bb9\u3092\u89e3\u6790\u3057\u3001\u65b0\u305f\u306a\u30ea\u30af\u30a8\u30b9\u30c8\u3068\u3057\u3066\u30d0\u30c3\u30af\u30a8\u30f3\u30c9\u306eIIS\u306b\u8ee2\u9001\u3057\u307e\u3059\u3002\u3053\u306e\u904e\u7a0b\u3067<span class=\"swl-marker mark_blue\">\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3068IIS\u9593\u306e\u30a8\u30f3\u30c9\u30c4\u30fc\u30a8\u30f3\u30c9\u306eTLS\u30bb\u30c3\u30b7\u30e7\u30f3\u304c\u5207\u65ad\u3055\u308c<\/span>\u3001\u3055\u3089\u306b NTLM\u306e\u3088\u3046\u306a\u63a5\u7d9a\u7dad\u6301\u578b\u306e\u8a8d\u8a3c\u60c5\u5831\u304c\u5f15\u304d\u7d99\u304c\u308c\u306a\u3044 \u305f\u3081\u3001\u8a8d\u8a3c\u51e6\u7406\u304c\u5931\u6557\u3057\u3066\u3057\u307e\u3046\u306e\u3067\u3059\u200b\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4ee5\u4e0a\u306e\u80cc\u666f\u3092\u8e0f\u307e\u3048\u3001\u672c\u8a18\u4e8b\u3067\u306f <strong>\u300c<strong>\u30ed\u30fc\u30c9\u30d0\u30e9\u30f3\u30b5\u30fc<\/strong><\/strong> <strong>+ SSL\u74b0\u5883\u3067\u3001IIS\u306e\u7d71\u5408Windows\u8a8d\u8a3c\u3092\u6210\u529f\u3055\u305b\u308b\u69cb\u6210\u300d<\/strong> \u3092\u691c\u8a0e\u3057\u307e\u3059\u3002\u5178\u578b\u7684\u306a\u69cb\u6210\u30d1\u30bf\u30fc\u30f3\u3092\uff13\u3064\u6319\u3052\u3001\u305d\u308c\u305e\u308c\u306b\u3064\u3044\u3066 Windows\u8a8d\u8a3c\u306e\u5bfe\u5fdc\u53ef\u5426\u3001\u305d\u306e\u6280\u8853\u7684\u7406\u7531\u3001\u3055\u3089\u306b\u69cb\u6210\u4e0a\u306e\u30e1\u30ea\u30c3\u30c8\u30fb\u30c7\u30e1\u30ea\u30c3\u30c8\u3092\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u5404\u69cb\u6210\u6848\u306e\u6280\u8853\u7684\u691c\u8a3c<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u2460\uff1aL7\u30ed\u30fc\u30c9\u30d0\u30e9\u30f3\u30b5\u30fcSSL\u7d42\u7aef+IIS(80 or 443)\u3078\u8ee2\u9001<\/h3>\n\n\n\n<p class=\"is-style-bg_stripe wp-block-paragraph\">\u30af\u30e9\u30a4\u30a2\u30f3\u30c8 \u2500\u2500HTTPS\u2500\u2500\u25b6 L7\u30ed\u30fc\u30c9\u30d0\u30e9\u30f3\u30b5\u30fc(SSL\u7d42\u7aef) \u2500\u2500HTTP(S)\u2500\u2500\u25b6 IIS(80 or 443)<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>\u5bfe\u5fdc\u53ef\u5426<\/strong><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Windows\u8a8d\u8a3c\u306f\u3053\u306e\u69cb\u6210\u3067\u306f<span class=\"swl-marker mark_orange\">\u5bfe\u5fdc\u4e0d\u53ef<\/span>\u3067\u3059\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>\u7406\u7531<\/strong><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3068IIS\u306e\u9593\u306eTLS\u30bb\u30c3\u30b7\u30e7\u30f3\u304c\u30ed\u30fc\u30c9\u30d0\u30e9\u30f3\u30b5\u30fc\u4e0a\u3067\u4e00\u5ea6\u7d42\u4e86\u3057\u3066\u3057\u307e\u3046\u305f\u3081\u3001<span class=\"swl-marker mark_blue\">\u30a8\u30f3\u30c9\u30c4\u30fc\u30a8\u30f3\u30c9\u306e\u8a8d\u8a3c\u60c5\u5831\u5f15\u7d99\u304e\u304c\u3067\u304d\u306a\u3044<\/span>\u304b\u3089\u3067\u3059\u3002L7\u30ed\u30fc\u30c9\u30d0\u30e9\u30f3\u30b5\u30fc\u306f\u53d7\u3051\u53d6\u3063\u305fHTTPS\u3092\u5fa9\u53f7\u3057\u3001\u81ea\u8eab\u304c\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306e\u4ee3\u308f\u308a\u306bIIS\u3078\u30a2\u30af\u30bb\u30b9\u3057\u307e\u3059\u3002\u3053\u306e\u3068\u304d\u672c\u6765\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u304b\u3089IIS\u306b\u9001\u3089\u308c\u308b\u306f\u305a\u306e <code>Authorization: Negotiate<\/code> \u30d8\u30c3\u30c0\u30fc\uff08Kerberos\u30c1\u30b1\u30c3\u30c8\u3084NTLM\u30c8\u30fc\u30af\u30f3\u3092\u542b\u3080\u8a8d\u8a3c\u30d8\u30c3\u30c0\u30fc\uff09\u304c\u6b63\u3057\u304fIIS\u307e\u3067\u5c4a\u304b\u306a\u304f\u306a\u308a\u307e\u3059\u3002\u7279\u306bNTLM\u3067\u306f\u3001\u521d\u56de\u306e\u8981\u6c42\u306b\u5bfe\u3057IIS\u304c\u9001\u308b\u8a8d\u8a3c\u30c1\u30e3\u30ec\u30f3\u30b8\u5fdc\u7b54 (<code>WWW-Authenticate<\/code>) \u3092\u8e0f\u307e\u3048\u3066\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u304c\u518d\u8981\u6c42\u3092\u9001\u308a\u307e\u3059\u304c\u3001LB\u7d4c\u7531\u3067\u306f<span class=\"swl-marker mark_blue\">\u540c\u4e00TCP\u30bb\u30c3\u30b7\u30e7\u30f3\u304c\u7dad\u6301\u3055\u308c\u306a\u3044<\/span>\u305f\u3081\u306bNTLM\u30cf\u30f3\u30c9\u30b7\u30a7\u30a4\u30af\u304c\u6210\u7acb\u3057\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5b9f\u969b\u3001AWS\u74b0\u5883\u3067\u3082Application Load Balancer (ALB) \u3084HTTP\u30ea\u30b9\u30ca\u30fc\u3067\u306fWindows\u8a8d\u8a3c\u304c\u52d5\u4f5c\u305b\u305a\u3001Network Load Balancer (NLB) \u306a\u3069TCP\u30ec\u30d9\u30eb\u306eLB\u304c\u5fc5\u8981\u306b\u306a\u308b\u3068\u3055\u308c\u3066\u3044\u307e\u3059\u200b[<a rel=\"noreferrer noopener\" href=\"https:\/\/docs.aws.amazon.com\/ja_jp\/whitepapers\/latest\/replatform-dotnet-apps-with-windows-containers\/using-a-load-balancer-with-windows-authentication.html\" target=\"_blank\">\u53c2\u8003<\/a>]\u3002\u307e\u305fAzure Application Gateway v2\u3067\u3082\u7d71\u5408\u8a8d\u8a3c\u3092\u542b\u3080HTTP\u30d8\u30c3\u30c0\u30fc\u3092\u30d0\u30c3\u30af\u30a8\u30f3\u30c9\u306b\u900f\u904e\u3055\u305b\u308b\u3053\u3068\u306f\u30b5\u30dd\u30fc\u30c8\u3055\u308c\u3066\u3044\u307e\u305b\u3093[<a rel=\"noreferrer noopener\" href=\"https:\/\/learn.microsoft.com\/ja-jp\/azure\/application-gateway\/application-gateway-faq#application-gateway-v1-sku-------------\" target=\"_blank\">\u53c2\u8003<\/a>]\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u3088\u3046\u306b\u5404\u30af\u30e9\u30a6\u30c9\u30d9\u30f3\u30c0\u30fc\u306e\u30de\u30cd\u30fc\u30b8\u30c9LB\u3067\u516c\u5f0f\u306b\u975e\u30b5\u30dd\u30fc\u30c8\u3068\u306a\u3063\u3066\u3044\u308b\u70b9\u304b\u3089\u3082\u3001L7\u30ec\u30d9\u30eb\u3067Windows\u8a8d\u8a3c\u3092\u7dad\u6301\u3059\u308b\u3053\u3068\u306e\u56f0\u96e3\u3055\u304c\u308f\u304b\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u2461\uff1aL4\u30ed\u30fc\u30c9\u30d0\u30e9\u30f3\u30b5\u30fc\uff08TLS\u30d1\u30b9\u30b9\u30eb\u30fc\uff09+IIS\u8ee2\u9001<\/h3>\n\n\n\n<p class=\"is-style-bg_stripe wp-block-paragraph\">\u30af\u30e9\u30a4\u30a2\u30f3\u30c8 \u2500\u2500HTTPS\u2500\u2500\u25b6 L4\u30ed\u30fc\u30c9\u30d0\u30e9\u30f3\u30b5\u30fc(TLS\u30d1\u30b9\u30b9\u30eb\u30fc) \u2500\u2500HTTPS\u2500\u2500\u25b6 IIS(443)<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>\u5bfe\u5fdc\u53ef\u5426<\/strong><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u69cb\u6210\u306fWindows\u8a8d\u8a3c\u306b<span class=\"swl-marker mark_orange\">\u5bfe\u5fdc\u53ef\u80fd<\/span>\u3067\u3059\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>\u7406\u7531<\/strong><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">L4\u30ed\u30fc\u30c9\u30d0\u30e9\u30f3\u30b5\u30fc\uff08OSI\u30ec\u30a4\u30e44\u3067\u52d5\u4f5c\u3059\u308bLB\uff09\u306f\u30d1\u30b1\u30c3\u30c8\u3092TCP\u30ec\u30d9\u30eb\u3067\u4e2d\u7d99\u3059\u308b\u305f\u3081\u3001<span class=\"swl-marker mark_blue\">\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\uff5eIIS\u9593\u306eTLS\u30bb\u30c3\u30b7\u30e7\u30f3\u304c\u30a8\u30f3\u30c9\u30c4\u30fc\u30a8\u30f3\u30c9\u3067\u7dad\u6301<\/span>\u3055\u308c\u307e\u3059\u3002\u30ed\u30fc\u30c9\u30d0\u30e9\u30f3\u30b5\u30fc\u306f\u6697\u53f7\u5316\u3092\u7d42\u7aef\u305b\u305a\u3001TCP\u30b3\u30cd\u30af\u30b7\u30e7\u30f3\u81ea\u4f53\u3092\u5404\u30b5\u30fc\u30d0\u30fc\u306b\u632f\u308a\u5206\u3051\u308b\u3060\u3051\u306a\u306e\u3067\u3001NTLM\u8a8d\u8a3c\u304c\u8981\u6c42\u3059\u308b\u300c\u540c\u4e00TCP\u63a5\u7d9a\u4e0a\u3067\u306e\u3084\u308a\u3068\u308a\u300d\u3082\u4fdd\u305f\u308c\u307e\u3059\u200b\u3002Kerberos\u306b\u3064\u3044\u3066\u3082\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u304b\u3089\u898b\u308c\u3070IIS\uff08\u30b5\u30fc\u30d3\u30b9\uff09\u306eFQDN\u306b\u76f4\u63a5\u63a5\u7d9a\u3057\u3066\u3044\u308b\u306e\u3068\u540c\u3058\u72b6\u614b\u3092\u518d\u73fe\u3067\u304d\u308b\u305f\u3081\u3001\u9069\u5207\u306bSPN\u8a2d\u5b9a\u3055\u3048\u3057\u3066\u304a\u3051\u3070\u30c1\u30b1\u30c3\u30c8\u30d9\u30fc\u30b9\u306e\u8a8d\u8a3c\u304c\u305d\u306e\u307e\u307e\u901a\u308a\u307e\u3059\u3002AWS NLB\u3084\u30af\u30e9\u30b7\u30c3\u30afLB\u306eTCP\u30ea\u30b9\u30ca\u30fc\u30e2\u30fc\u30c9\u3001Azure\u306e\u5185\u90e8\u30ed\u30fc\u30c9\u30d0\u30e9\u30f3\u30b5\u30fc\u3001F5\u306eL4\u30e2\u30fc\u30c9\u306a\u3069\u306f\u3053\u306e\u30ab\u30c6\u30b4\u30ea\u306b\u5c5e\u3057(\u4ed6\u306b HAProxy\u306eTCP\u30e2\u30fc\u30c9\u3001nginx stream\u306a\u3069\u304c\u8a72\u5f53)\u3001Windows\u7d71\u5408\u8a8d\u8a3c\u3092\u900f\u904e\u3067\u304d\u307e\u3059\u200b\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>\u30e1\u30ea\u30c3\u30c8<\/strong><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">TLS\u30bb\u30c3\u30b7\u30e7\u30f3\u304c\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u304b\u3089\u30b5\u30fc\u30d0\u30fc\u307e\u3067\u9014\u5207\u308c\u306a\u3044\u305f\u3081\u3001<span class=\"swl-marker mark_blue\">Windows\u8a8d\u8a3c\u30d7\u30ed\u30c8\u30b3\u30eb\u304c\u672c\u6765\u306e\u52d5\u4f5c\u3092\u7dad\u6301<\/span>\u3067\u304d\u307e\u3059\u3002NTLM\u306e3\u30a6\u30a7\u30a4\u30cf\u30f3\u30c9\u30b7\u30a7\u30a4\u30af\u3082\u5358\u4e00\u63a5\u7d9a\u5185\u3067\u5b8c\u7d50\u3057\u3001Kerberos\u30c1\u30b1\u30c3\u30c8\u3082\u30d0\u30c3\u30af\u30a8\u30f3\u30c9\u30b5\u30fc\u30d0\u30fc\u304c\u6b63\u3057\u304f\u53d7\u3051\u53d6\u308a\u307e\u3059\u3002\u52a0\u3048\u3066\u3001LB\u306fL4\u52d5\u4f5c\u306e\u305f\u3081\u30aa\u30fc\u30d0\u30fc\u30d8\u30c3\u30c9\u304c\u5c0f\u3055\u304f\u9ad8\u3044\u30b9\u30eb\u30fc\u30d7\u30c3\u30c8\u3092\u671f\u5f85\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>\u30c7\u30e1\u30ea\u30c3\u30c8<\/strong><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u30d1\u30b9\u30d9\u30fc\u30b9\u3084\u30db\u30b9\u30c8\u540d\u30d9\u30fc\u30b9\u306e\u7d30\u304b\u306a\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u304c\u3067\u304d\u306a\u3044\u70b9\u304c\u3001L4\u30ed\u30fc\u30c9\u30d0\u30e9\u30f3\u30b5\u30fc\u69cb\u6210\u306b\u304a\u3051\u308b\u6700\u5927\u306e\u8ab2\u984c\u3067\u3059\u3002\u305f\u3068\u3048\u3070\u3001URL\u30d1\u30b9\uff08\u4f8b\uff1a<code>\/api<\/code>\u3001<code>\/chat<\/code>\uff09\u3054\u3068\u306b\u7570\u306a\u308b\u30d0\u30c3\u30af\u30a8\u30f3\u30c9\u30b5\u30fc\u30d0\u30fc\u3078\u632f\u308a\u5206\u3051\u308b\u3068\u3044\u3063\u305f\u3053\u3068\u306f\u3001L7\uff08HTTP\uff09\u3067\u3057\u304b\u5b9f\u73fe\u3067\u304d\u306a\u3044\u6a5f\u80fd\u3067\u3042\u308a\u3001L4\uff08TCP\uff09\u3067\u306f\u4e0d\u53ef\u80fd\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u305d\u306e\u305f\u3081\u3001\u30b7\u30b9\u30c6\u30e0\u8981\u4ef6\u306b\u3088\u3063\u3066\u306f\u8907\u6570\u306eFQDN\u3092\u7528\u610f\u3057\u3001\u7528\u9014\u3054\u3068\u306b\u7570\u306a\u308b\u4eee\u60f3\u30b5\u30fc\u30d0\u30fc(Web\u30b5\u30fc\u30d0\u3001Windows\u8a8d\u8a3c\u7528\u30b5\u30fc\u30d0\u306a\u3069)\u3092\u30ed\u30fc\u30c9\u30d0\u30e9\u30f3\u30b5\u30fc\u5185\u306b\u5272\u308a\u5f53\u3066\u308b\u5fc5\u8981\u304c\u3042\u308a\u3001\u69cb\u6210\u306e\u96e3\u6613\u5ea6\u304c\u9ad8\u304f\u306a\u308b\u30c7\u30e1\u30ea\u30c3\u30c8\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u7279\u306b\u3001Windows\u8a8d\u8a3c\u30da\u30fc\u30b8\u3078FQDN(\u5b8c\u5168\u4fee\u98fe\u30c9\u30e1\u30a4\u30f3\u540d)\u3067\u30a2\u30af\u30bb\u30b9\u3059\u308b\u5834\u5408\u306e <a href=\"https:\/\/chat-messenger.com\/blog\/windowsauthentication-setspn\">SPN \u767b\u9332<\/a> \u306f\u975e\u5e38\u306b\u8907\u96d1\u3067\u3059\u306e\u3067\u4ee5\u4e0b\u3082\u3054\u78ba\u8a8d\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n<div class=\"swell-block-postLink\">\t\t\t<div class=\"p-blogCard -external\" data-type=\"type3\" data-onclick=\"clickLink\">\n\t\t\t\t<div class=\"p-blogCard__inner\">\n\t\t\t\t\t<span class=\"p-blogCard__caption\">Web\u4f1a\u8b70\u306e Chat&amp;Messenger<\/span>\n\t\t\t\t\t<div class=\"p-blogCard__thumb c-postThumb\"><figure class=\"c-postThumb__figure\"><img decoding=\"async\" src=\"https:\/\/chat-messenger.com\/wp-content\/uploads\/2025\/03\/iStock-1313570693-2.jpg\" alt=\"\" class=\"c-postThumb__img u-obf-cover\" width=\"320\" height=\"180\"><\/figure><\/div>\t\t\t\t\t<div class=\"p-blogCard__body\">\n\t\t\t\t\t\t<a class=\"p-blogCard__title\" href=\"https:\/\/chat-messenger.com\/blog\/windowsauthentication-setspn\" target=\"_blank\" rel=\"noopener noreferrer\">L4\u30ed\u30fc\u30c9\u30d0\u30e9\u30f3\u30b5\u30fc\u74b0\u5883\u3067\u3001IIS\u306e\u7d71\u5408Windows\u8a8d\u8a3c\u3092\u6210\u529f\u3055\u305b\u308b\u305f\u3081\u306eIIS\u8a2d\u5b9a | Web\u4f1a\u8b70\u306e Chat&amp;Messenger<\/a>\n\t\t\t\t\t\t<span class=\"p-blogCard__excerpt\">\u6982\u8981 \u4ee5\u4e0b\u306e\u8a18\u4e8b\u3067L4\u30ed\u30fc\u30c9\u30d0\u30e9\u30f3\u30b5\u30fc + SSL\u7d42\u7aef\u74b0\u5883\u3067\u3001IIS\u306b\u304a\u3051\u308b\u7d71\u5408Windows\u8a8d\u8a3c\uff08Integrated Windows Authentication, IWA\uff09\u3092\u69cb\u6210\u3059\u308b\u65b9\u6cd5\u3092\u89e3\u8aac\u3057\u307e\u3057\u305f\u3002 \u3053\u306e\u65b9\u6cd5&#8230;<\/span>\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/div>\n\n\n<p class=\"wp-block-paragraph\">\u307e\u305f\u3001Windows\u8a8d\u8a3c\u3067\u5fc5\u8981\u3068\u306a\u308b\u4ee5\u4e0b\u8a2d\u5b9a\u306f\u5168\u3066\u30ed\u30fc\u30c9\u30d0\u30e9\u30f3\u30b5\u30fc\u306eFQDN\u3092\u8a2d\u5b9a\u3059\u308b\u70b9\u3082\u6ce8\u610f\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Windows\u8a8d\u8a3c\u3067\u5fc5\u8981\u306b\u306a\u308b\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8 \u30aa\u30d7\u30b7\u30e7\u30f3\u300c\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u300d\u30bf\u30d6\u306e<a href=\"https:\/\/chat-messenger.com\/manual\/camserver\/iis-sso#internet-options-settings\" data-type=\"URL\" data-id=\"https:\/\/chat-messenger.com\/manual\/camserver\/iis-sso#internet-options-settings\">\u300c\u30ed\u30fc\u30ab\u30eb \u30a4\u30f3\u30c8\u30e9\u30cd\u30c3\u30c8\u300d\u306e\u300c\u30b5\u30a4\u30c8\u300d<\/a> \u8a2d\u5b9a<\/li><li>IIS \u30b5\u30a4\u30c8\u30d0\u30a4\u30f3\u30c9\u8a2d\u5b9a\u3068SSL\u8a3c\u660e\u66f8\uff08\u30ed\u30fc\u30c9\u30d0\u30e9\u30f3\u30b5\u30fc\u81ea\u4f53\u306b\u8a3c\u660e\u66f8\u8a2d\u7f6e\u306f\u4e0d\u8981\uff09<\/li><\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">Kerberos\u304c\u6210\u529f\u3059\u308b\u307e\u3067\u306e\u30d5\u30ed\u30fc<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u30ed\u30fc\u30c9\u30d0\u30e9\u30f3\u30b5\u30fc\u306eFQDN \u304c lb.example.com \u306e\u5834\u5408\u3001Kerberos\u304c\u6210\u529f\u3059\u308b\u307e\u3067\u306e\u30d5\u30ed\u30fc\u306f\u6b21\u306e\u901a\u308a\u3067\u3059\u3002<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-bash\" data-lang=\"Bash\"><code>[Client]\n  | 1. DNS\u89e3\u6c7a: lb.example.com \u2192 LB\n  |\n  | 2. Kerberos: SPN = HTTP\/lb.example.com\n  |             \u2192 \u30c9\u30e1\u30a4\u30f3\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u30fc\u306bTGS\u3092\u8981\u6c42\n  |\n  | 3. TLS\u30cf\u30f3\u30c9\u30b7\u30a7\u30a4\u30af: SNI = lb.example.com\n  |             \u2192 IIS\u3067\u4e00\u81f4\u3059\u308b\u8a3c\u660e\u66f8\u5fc5\u8981\n  |\n  | 4. \u30ea\u30af\u30a8\u30b9\u30c8\u9001\u4fe1: Host\u30d8\u30c3\u30c0 = lb.example.com\n[IIS]\n  \u2192 SPN\u53d7\u3051\u5165\u308cOK\u3001\u8a3c\u660e\u66f8OK\u3001\u8a8d\u8a3c\u6210\u529f<\/code><\/pre><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">\u2462\uff1aL7\u30ed\u30fc\u30c9\u30d0\u30e9\u30f3\u30b5\u30fcSSL\u7d42\u7aef+IIS\u3078\u30ea\u30c0\u30a4\u30ec\u30af\u30c8\u69cb\u6210<\/h3>\n\n\n\n<p class=\"is-style-bg_stripe wp-block-paragraph\">\u30af\u30e9\u30a4\u30a2\u30f3\u30c8 \u2500\u2500HTTPS\u2500\u2500\u25b6 L7\u30ed\u30fc\u30c9\u30d0\u30e9\u30f3\u30b5\u30fc\uff08SSL\u7d42\u7aef\uff09<br>\u3000\u3000\u3000LB \u2500\u2500HTTP 302 (\u30ea\u30c0\u30a4\u30ec\u30af\u30c8\u5fdc\u7b54)\u2192 \u30af\u30e9\u30a4\u30a2\u30f3\u30c8<br>\u3000\u3000\u3000\u3000\u3000\u30af\u30e9\u30a4\u30a2\u30f3\u30c8 \u2500\u2500HTTPS\u2500\u2500\u25b6 IIS\uff08443\u3078\u76f4\u63a5\u30a2\u30af\u30bb\u30b9\uff09<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>\u5bfe\u5fdc\u53ef\u5426<\/strong><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u69cb\u6210\u306fWindows\u8a8d\u8a3c\u306b<span class=\"swl-marker mark_orange\">\u5bfe\u5fdc\u53ef\u80fd<\/span>\u3067\u3059\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>\u7406\u7531<\/strong><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u30a2\u30a4\u30c7\u30a2\u3068\u3057\u3066\u306f\u300c\u30ed\u30fc\u30c9\u30d0\u30e9\u30f3\u30b5\u30fc\u3067\u306f\u5b9f\u969b\u306e\u901a\u4fe1\u3092\u4e2d\u7d99\u305b\u305a\u3001\u4e00\u5ea6\u30ea\u30c0\u30a4\u30ec\u30af\u30c8\uff08HTTP 302\u5fdc\u7b54\uff09\u3067\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3092\u30d0\u30c3\u30af\u30a8\u30f3\u30c9\u306eIIS\u76f4\u901a\u306b\u8a98\u5c0e\u3059\u308b\u300d\u65b9\u6cd5\u3067\u3059\u3002\u521d\u56de\u3001\u30e6\u30fc\u30b6\u30fc\u306fLB\u306eURL\u306b\u30a2\u30af\u30bb\u30b9\u3057\u307e\u3059\u304c\u3001L7\u30ed\u30fc\u30c9\u30d0\u30e9\u30f3\u30b5\u30fc\u306f\u305d\u3053\u3067SSL\u3092\u7d42\u7aef\u3057\u3064\u3064\u5185\u5bb9\u3092\u89e3\u6790\u3057\u3001\u9069\u5207\u306aIIS\u306e\u30a2\u30c9\u30ec\u30b9\uff08\u4f8b\uff1a\u5404IIS\u304c\u6301\u3064\u500b\u5225\u306e\u30db\u30b9\u30c8\u540d\u3084IP\u30a2\u30c9\u30ec\u30b9\uff09\u306bHTTPS\u3067\u63a5\u7d9a\u3059\u308b\u3088\u3046Location\u30d8\u30c3\u30c0\u30fc\u4ed8\u304d\u306e302\u5fdc\u7b54\u3092\u8fd4\u3057\u307e\u3059\u3002\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u30d6\u30e9\u30a6\u30b6\u306f\u3053\u306e\u30ea\u30c0\u30a4\u30ec\u30af\u30c8\u3092\u53d7\u3051\u53d6\u308a\u3001\u81ea\u52d5\u7684\u306b\u6307\u5b9a\u3055\u308c\u305fIIS\u306b\u5bfe\u3057\u3066\u76f4\u63a5HTTPS\u3067\u518d\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u9001\u4fe1\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u7d50\u679c\u3001<span class=\"swl-marker mark_blue\">2\u56de\u76ee\u306e\u8981\u6c42\u3067\u306f\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3068IIS\u304c\u76f4\u63a5TLS\u3067\u3064\u306a\u304c\u308b<\/span>\u305f\u3081\u3001Kerberos\/NTLM\u306e\u8a8d\u8a3c\u60c5\u5831\u3082\u305d\u306e\u307e\u307e\u30a8\u30f3\u30c9\u30c4\u30fc\u30a8\u30f3\u30c9\u3067\u3084\u308a\u53d6\u308a\u3055\u308c\u307e\u3059\u3002\u30ed\u30fc\u30c9\u30d0\u30e9\u30f3\u30b5\u30fc\u306f\u8a8d\u8a3c\u51e6\u7406\u306e\u9593\u306f\u4ecb\u5728\u3057\u306a\u3044\u305f\u3081\u3001\u69cb\u6210\u6848\u2460\u306e\u3088\u3046\u306a\u8a8d\u8a3c\u30d8\u30c3\u30c0\u30fc\u6d88\u5931\u554f\u984c\u3092\u56de\u907f\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>\u30e1\u30ea\u30c3\u30c8<\/strong><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\"><span class=\"swl-marker mark_blue\">TLS\u304c\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u304b\u3089IIS\u307e\u3067\u76f4\u7d50\u3059\u308b\u305f\u3081\u3001Windows\u8a8d\u8a3c\u304c\u7c21\u5358\u306b\u6210\u529f\u3067\u304d\u308b\u70b9\u304c\u5927\u304d\u306a\u5229\u70b9<\/span>\u3067\u3059\u3002<br>IIS\u5358\u4f53\u3067\u8a8d\u8a3c\u304c\u6210\u529f\u3057\u3066\u3044\u308c\u3070\u3001\u305d\u306e\u69cb\u6210\u3092\u305d\u306e\u307e\u307e\u6d3b\u304b\u305b\u308b\u305f\u3081\u3001\u30ed\u30fc\u30c9\u30d0\u30e9\u30f3\u30b5\u30fc\u3092\u4e2d\u7d99\u3057\u305f\u3068\u3057\u3066\u3082\u96e3\u6613\u5ea6\u304c\u4e0a\u304c\u308b\u4e8b\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u307e\u305f\u3001\u30ea\u30c0\u30a4\u30ec\u30af\u30c8\u3092\u6d3b\u7528\u3059\u308b\u3053\u3068\u3067\u30ed\u30fc\u30c9\u30d0\u30e9\u30f3\u30b5\u30fc\u5074\u3067\u3042\u308b\u7a0b\u5ea6\u67d4\u8edf\u306a\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u5236\u5fa1\u304c\u53ef\u80fd\u3067\u3059\u3002\u4f8b\u3048\u3070\u3001\u6700\u521d\u306e\u30a2\u30af\u30bb\u30b9URL\u30d1\u30b9\u3084\u30db\u30b9\u30c8\u540d\u306b\u5fdc\u3058\u3066\u7570\u306a\u308b\u30d0\u30c3\u30af\u30a8\u30f3\u30c9IIS\u306eURL\u3078\u30ea\u30c0\u30a4\u30ec\u30af\u30c8\u3055\u305b\u308b\u3053\u3068\u3067\u3001\u30d1\u30b9\u30d9\u30fc\u30b9\u632f\u308a\u5206\u3051\u306b\u8fd1\u3044\u3053\u3068\u3082\u5b9f\u73fe\u3067\u304d\u307e\u3059\u3002LB\u914d\u4e0b\u306b\u591a\u6570\u306e\u30b5\u30fc\u30d3\u30b9\u304c\u3042\u308b\u5834\u5408\u3001\u3072\u3068\u307e\u305a\u5171\u901a\u306e\u30a8\u30f3\u30c8\u30ea\u30dd\u30a4\u30f3\u30c8\u3068\u3057\u3066LB\u306b\u96c6\u7d04\u3057\u3001\u305d\u3053\u304b\u3089\u5404\u30b5\u30fc\u30d3\u30b9\u306e\u5b9fURL\u306b\u8a98\u5c0e\u3059\u308b\u3053\u3068\u3067\u8868\u9762\u7684\u306b\u306f\u4e00\u3064\u306b\u898b\u305b\u308b\u3001\u3068\u3044\u3063\u305f\u69cb\u6210\u3082\u53ef\u80fd\u3067\u3059\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>\u30c7\u30e1\u30ea\u30c3\u30c8<\/strong><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">LB\u306e\u80cc\u5f8c\u306bIIS\u3092\u914d\u5099\u3067\u304d\u305a\u3001\u516c\u958b\u30b5\u30fc\u30d0\u3068\u3057\u3066IIS\u7528\u306b\u5225\u30a8\u30f3\u30c9\u30dd\u30a4\u30f3\u30c8\u8a2d\u8a08\u3001\u53ca\u3073LB\u3068\u306f\u7570\u306a\u308b\u8a3c\u660e\u66f8\u306e\u914d\u7f6e\u304c\u5fc5\u8981\u306b\u306a\u308b\u70b9\u306f\u30c7\u30e1\u30ea\u30c3\u30c8\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u307e\u305f\u3001\u521d\u56de\u30a2\u30af\u30bb\u30b9\u6642\u306b\u30ea\u30c0\u30a4\u30ec\u30af\u30c8\u304c\u767a\u751f\u3059\u308b\u70b9\u3082\u30c7\u30e1\u30ea\u30c3\u30c8\u3067\u3059\u304c\u3001\u5b9f\u969b\u306b\u306fHTTP 302\u5fdc\u7b54\u3092\u4ecb\u3057\u305f\u5373\u6642\u518d\u63a5\u7d9a\u304c\u884c\u308f\u308c\u308b\u3060\u3051\u3067\u3042\u308a\u3001\u30e6\u30fc\u30b6\u30fc\u4f53\u611f\u7684\u306a\u5f71\u97ff\u306f\u307b\u307c\u7121\u8996\u3067\u304d\u308b\u30ec\u30d9\u30eb\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"is-style-big_icon_point wp-block-paragraph\">IIS\u3078\u30ea\u30c0\u30a4\u30ec\u30af\u30c8\u5f8c\u3001Windows\u8a8d\u8a3c\u3092\u7d4c\u3066\u5f0a\u793e\u30b5\u30fc\u30d3\u30b9\u3078\u30ed\u30b0\u30a4\u30f3\u3059\u308b\u307e\u3067\u306e\u901f\u5ea6\u306e\u53c2\u8003\u306f\u3001\u3053\u3061\u3089\u306e<a href=\"https:\/\/chat-messenger.com\/dl\/mp3\/cam-iissso-l7redirect.mp4\">\u52d5\u753b<\/a>\u3092\u53c2\u7167\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u5404\u69cb\u6210\u306e\u6bd4\u8f03\u8868<\/h2>\n\n\n\n<figure class=\"wp-block-table min_width10_\"><table style=\"--swl-cell1-width:70px;\"><thead style=\"--thead-color--bg:var(--color_gray);--thead-color--txt:var(--swl-text_color--black)\"><tr><th>\u69cb\u6210<\/th><th>\u6982\u8981<\/th><th><span class=\"swl-fz u-fz-s\">Windows\u8a8d\u8a3c<\/span><\/th><th>\u5099\u8003<\/th><\/tr><\/thead><tbody><tr><td>\u2460<\/td><td>L7 LB(SSL\u7d42\u7aef) \u2192 IIS<\/td><td>\u274c \u4e0d\u53ef\u3000\u3000\u3000\u3000<\/td><td>\u30fbTLS\u5206\u65ad\u3001NTLM\/Kerberos\u975e\u900f\u904e<\/td><\/tr><tr><td>\u2461<\/td><td>L4 LB(TLS\u30d1\u30b9\u30b9\u30eb\u30fc)\u2192 IIS<\/td><td>\u2705 \u53ef<\/td><td>\u30fb\u30d1\u30b9\u30d9\u30fc\u30b9\u306e\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u4e0d\u53ef\u3001\u8907\u6570FQDN\u3067\u4eee\u60f3\u30b5\u30fc\u30d0\u30fc\u3092LB\u306b\u8a2d\u5b9a\u3057\u3066\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0<br>\u30fbIIS\u5074\u306b\u8a3c\u660e\u66f8\u3092\u8a2d\u5b9a\uff08LB\u306b\u8a3c\u660e\u66f8\u4e0d\u8981\uff09<br>\u30fbIIS 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class=\"wp-block-heading\">\u307e\u3068\u3081<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Windows\u8a8d\u8a3c\uff08NTLM\/Kerberos\uff09\u3092\u6b63\u3057\u304f\u6a5f\u80fd\u3055\u305b\u308b\u306b\u306f\u3001TLS\u30bb\u30c3\u30b7\u30e7\u30f3\u304c\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u304b\u3089IIS\u307e\u3067\u4e00\u8cab\u3057\u3066\u7dad\u6301\u3055\u308c\u308b\u3053\u3068\u304c\u7d76\u5bfe\u6761\u4ef6\u3067\u3059\u3002<\/p>\n\n\n\n<p 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