{"id":5898,"date":"2024-11-28T12:40:35","date_gmt":"2024-11-28T12:40:35","guid":{"rendered":"https:\/\/howtogeek.blog\/ja\/?p=5898"},"modified":"2024-11-28T12:40:35","modified_gmt":"2024-11-28T12:40:35","slug":"troubleshooting-guide-l2tpipsec-vpn-connection-issues-on-windows-10","status":"publish","type":"post","link":"https:\/\/howtogeek.blog\/ja\/troubleshooting-guide-l2tpipsec-vpn-connection-issues-on-windows-10\/","title":{"rendered":"\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0 \u30ac\u30a4\u30c9: Windows 10 \u3067\u306e L2TP\/IPsec VPN \u63a5\u7d9a\u306e\u554f\u984c"},"content":{"rendered":"<p>Windows 10 \u3067 VPN \u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u5834\u5408\u3001L2TP\/IPsec \u63a5\u7d9a\u3092\u78ba\u7acb\u3059\u308b\u969b\u306b\u554f\u984c\u304c\u767a\u751f\u3059\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u554f\u984c\u306f\u3001\u30e6\u30fc\u30b6\u30fc\u540d\u3084\u30d1\u30b9\u30ef\u30fc\u30c9\u304c\u6b63\u3057\u304f\u306a\u3044\u3001\u30b5\u30fc\u30d0\u30fc\u540d\u304c\u7121\u52b9\u3001\u30b5\u30fc\u30d0\u30fc\u95a2\u9023\u306e\u554f\u984c\u306a\u3069\u3001\u3055\u307e\u3056\u307e\u306a\u8981\u56e0\u304b\u3089\u767a\u751f\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u6839\u672c\u7684\u306a\u539f\u56e0\u306b\u95a2\u4fc2\u306a\u304f\u3001\u3053\u306e\u63a5\u7d9a\u30a8\u30e9\u30fc\u306b\u5bfe\u51e6\u3059\u308b\u305f\u3081\u306e\u52b9\u679c\u7684\u306a\u89e3\u6c7a\u7b56\u304c\u3044\u304f\u3064\u304b\u3042\u308a\u307e\u3059\u3002\u8cc7\u683c\u60c5\u5831\u3068\u30b5\u30fc\u30d0\u30fc\u60c5\u5831\u3092\u78ba\u8a8d\u3059\u308b\u3053\u3068\u304c\u3001\u591a\u304f\u306e\u5834\u5408\u3001\u554f\u984c\u3092\u89e3\u6c7a\u3059\u308b\u305f\u3081\u306e\u6700\u521d\u306e\u30b9\u30c6\u30c3\u30d7\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n<h2 class=\"wp-block-heading\"><strong>Windows 10 \u3067\u306e L2TP\/IPsec VPN \u63a5\u7d9a\u306e\u554f\u984c\u306e\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0<\/strong><\/h2>\n<h3 class=\"wp-block-heading\"><strong>1. \u30b3\u30de\u30f3\u30c9\u30d7\u30ed\u30f3\u30d7\u30c8\u3092\u6d3b\u7528\u3059\u308b<\/strong><\/h3>\n<p>\u30b3\u30de\u30f3\u30c9 \u30d7\u30ed\u30f3\u30d7\u30c8\u3092\u4f7f\u7528\u3057\u3066\u30a8\u30e9\u30fc\u3092\u89e3\u6c7a\u3059\u308b\u306e\u306f\u52b9\u679c\u7684\u306a\u65b9\u6cd5\u3067\u3059\u3002\u624b\u9806\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n<ol class=\"wp-block-list\">\n<li>\u30b9\u30bf\u30fc\u30c8 \u30e1\u30cb\u30e5\u30fc\u3092\u958b\u304d\u3001<strong>\u30b3\u30de\u30f3\u30c9 \u30d7\u30ed\u30f3\u30d7\u30c8<\/strong>\u3092\u691c\u7d22\u3057\u307e\u3059\u3002<\/li>\n<li>\u30b3\u30de\u30f3\u30c9\u30d7\u30ed\u30f3\u30d7\u30c8\u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u53f3\u30af\u30ea\u30c3\u30af\u3057\u3001<strong>\u300c\u7ba1\u7406\u8005\u3068\u3057\u3066\u5b9f\u884c\u300d<\/strong>\u3092\u9078\u629e\u3057\u307e\u3059\u3002<\/li>\n<li><strong>\u7ba1\u7406\u8005\u30e2\u30fc\u30c9<\/strong>\u3067\u30b3\u30de\u30f3\u30c9\u30d7\u30ed\u30f3\u30d7\u30c8\u3092\u8d77\u52d5\u3057\u307e\u3059\u3002<\/li>\n<li>\u4ee5\u4e0b\u306e\u53c2\u7167\u753b\u50cf\u306b\u793a\u3059\u30b3\u30de\u30f3\u30c9\u3092\u5165\u529b\u3057\u3001Enter \u30ad\u30fc\u3092\u62bc\u3057\u307e\u3059\u3002<\/li>\n<\/ol>\n<figure class=\"wp-block-image\"><img alt=\"\u30b3\u30de\u30f3\u30c9\u30d7\u30ed\u30f3\u30d7\u30c8\u7ba1\u7406\u8005\" decoding=\"async\" src=\"https:\/\/cdn.howtogeek.blog\/wp-content\/uploads\/2024\/11\/Command-Prompt-Admin-Run-command-Enter.webp\" title=\"\u30b3\u30de\u30f3\u30c9\u30d7\u30ed\u30f3\u30d7\u30c8\u7ba1\u7406\u8005\"\/><\/figure>\n<p>\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3057\u305f\u5f8c\u3001\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u30fc\u3092\u518d\u8d77\u52d5\u3057\u3066\u3001L2TP\/IPsec VPN \u63a5\u7d9a\u304c\u5fa9\u5143\u3055\u308c\u308b\u304b\u3069\u3046\u304b\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002<\/p>\n<h3 class=\"wp-block-heading\"><strong>2. \u30ec\u30b8\u30b9\u30c8\u30ea\u30a8\u30c7\u30a3\u30bf\u30fc\u306e\u8a2d\u5b9a\u3092\u5909\u66f4\u3059\u308b<\/strong><\/h3>\n<p>\u30ec\u30b8\u30b9\u30c8\u30ea \u30a8\u30c7\u30a3\u30bf\u30fc\u3067\u7279\u5b9a\u306e\u8a2d\u5b9a\u3092\u8abf\u6574\u3059\u308b\u3053\u3068\u3067\u3082\u3001\u63a5\u7d9a\u306e\u554f\u984c\u3092\u89e3\u6c7a\u3067\u304d\u307e\u3059\u3002\u6b21\u306e\u624b\u9806\u306b\u5f93\u3044\u307e\u3059\u3002<\/p>\n<ol class=\"wp-block-list\">\n<li><strong>+ \u3092<\/strong>\u540c\u6642\u306b\u62bc\u3057\u3066<strong>\u5b9f\u884c\u30b3\u30de\u30f3\u30c9<\/strong>\u3092\u958b\u304d\u307e\u3059\u3002<strong><kbd>Windows<\/kbd><kbd>R<\/kbd><\/strong><\/li>\n<li><strong>\u691c\u7d22\u30dc\u30c3\u30af\u30b9\u306b\u300cregedit\u300d<\/strong>\u3068\u5165\u529b\u3057\u3001\u300cOK\u300d\u3092\u30af\u30ea\u30c3\u30af\u3057\u3066\u30ec\u30b8\u30b9\u30c8\u30ea \u30a8\u30c7\u30a3\u30bf\u30fc\u3092\u958b\u304d\u307e\u3059\u3002<\/li>\n<li>\u6b21\u306e\u30d1\u30b9\u306b\u79fb\u52d5\u3057\u307e\u3059\u3002\n<p> <code>HKEY_LOCAL_MACHINE\\SYSTEM\\CurrentControlSet\\Services\\PolicyAgent<\/code><\/li>\n<li>\u53f3\u5074\u306e\u30da\u30a4\u30f3\u3092\u53f3\u30af\u30ea\u30c3\u30af\u3057\u3066\u9078\u629e\u3057\u307e\u3059\u3002<kbd><strong>New<\/strong> &gt; <strong>DWORD (32-bit) Value<\/strong><\/kbd><\/li>\n<li>\u540d\u524d\u3092 \u306b\u5909\u66f4\u3057\u307e\u3059<code>AssumeUDPEncapsulationContextOnSendRule<\/code>\u3002<\/li>\n<li>\u65b0\u3057\u304f\u4f5c\u6210\u3055\u308c\u305f\u30a8\u30f3\u30c8\u30ea\u3092\u30c0\u30d6\u30eb\u30af\u30ea\u30c3\u30af\u3057\u3066\u30d7\u30ed\u30d1\u30c6\u30a3\u3092\u958b\u304d\u3001<strong><kbd>Value data<\/kbd><\/strong>\u306b\u8a2d\u5b9a\u3057\u307e\u3059<strong><kbd>2<\/kbd><\/strong>\u3002<\/li>\n<li>\u6b21\u306b\u3001\u3053\u306e\u30d1\u30b9\u306b\u79fb\u52d5\u3057\u307e\u3059\u3002\n<p> <code>HKEY_LOCAL_MACHINE\\SYSTEM\\CurrentControlSet\\Services\\RasMan<\/code><\/li>\n<li><strong><kbd>DWORD (32-bit) Value<\/kbd><\/strong>\u3068\u3044\u3046\u540d\u524d\u306e\u5225\u306e \u3092\u4f5c\u6210\u3057<strong><kbd>ProhibitIpSec<\/kbd><\/strong>\u3001<strong><kbd>Value data<\/kbd><\/strong>\u306b\u8a2d\u5b9a\u3057\u307e\u3059<strong><kbd>0<\/kbd><\/strong>\u3002<\/li>\n<li>\u3053\u308c\u3089\u306e\u5909\u66f4\u3092\u884c\u3063\u305f\u5f8c\u3001\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u30fc\u3092\u518d\u8d77\u52d5\u3057\u3066 VPN \u63a5\u7d9a\u3092\u6709\u52b9\u306b\u3057\u307e\u3059\u3002<\/li>\n<\/ol>\n<h3 class=\"wp-block-heading\"><strong>3. IPsec\u30b5\u30fc\u30d3\u30b9\u3092\u518d\u8d77\u52d5\u3059\u308b<\/strong><\/h3>\n<p>IPsec \u30b5\u30fc\u30d3\u30b9\u3092\u518d\u8d77\u52d5\u3059\u308b\u3068\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u69cb\u6210\u304c\u66f4\u65b0\u3055\u308c\u307e\u3059\u3002<\/p>\n<ol class=\"wp-block-list\">\n<li>\u30b9\u30bf\u30fc\u30c8 \u30e1\u30cb\u30e5\u30fc\u3092\u30af\u30ea\u30c3\u30af\u3057\u3001<strong>\u300c\u30b5\u30fc\u30d3\u30b9\u300d<\/strong>\u3068\u5165\u529b\u3057\u307e\u3059\u3002<\/li>\n<li><strong>\u30b5\u30fc\u30d3\u30b9<\/strong>\u30a6\u30a3\u30f3\u30c9\u30a6\u3092\u958b\u304d\u307e\u3059\u3002<\/li>\n<li><strong>IPsec \u30dd\u30ea\u30b7\u30fc \u30a8\u30fc\u30b8\u30a7\u30f3\u30c8\u3092<\/strong>\u898b\u3064\u3051\u307e\u3059\u3002<\/li>\n<li>\u305d\u308c\u3092\u53f3\u30af\u30ea\u30c3\u30af\u3057\u3066<strong>\u300c\u518d\u8d77\u52d5\u300d<\/strong>\u3092\u9078\u629e\u3057\u307e\u3059\u3002<\/li>\n<\/ol>\n<p>\u3053\u306e\u64cd\u4f5c\u306b\u3088\u308a\u30b5\u30fc\u30d3\u30b9\u304c\u518d\u8d77\u52d5\u3057\u3001VPN \u63a5\u7d9a\u306e\u554f\u984c\u304c\u89e3\u6c7a\u3055\u308c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<h3 class=\"wp-block-heading\"><strong>4. Xbox Live\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30b5\u30fc\u30d3\u30b9\u3092\u7121\u52b9\u306b\u3059\u308b<\/strong><\/h3>\n<ol class=\"wp-block-list\">\n<li>\u691c\u7d22\u30dc\u30c3\u30af\u30b9\u3092\u958b\u304d\u3001<strong>\u300c\u30b5\u30fc\u30d3\u30b9\u300d<\/strong>\u3068\u5165\u529b\u3057\u307e\u3059\u3002<\/li>\n<li><strong>Xbox Live \u30cd\u30c3\u30c8\u30ef\u30fc\u30af \u30b5\u30fc\u30d3\u30b9<\/strong>\u3092\u898b\u3064\u3051\u307e\u3059\u3002<\/li>\n<li>\u305d\u308c\u3092\u30c0\u30d6\u30eb\u30af\u30ea\u30c3\u30af\u3057\u3001<strong>[\u5168\u822c]\u30bf\u30d6<\/strong>\u306b\u79fb\u52d5\u3057\u3066\u3001<strong>[\u30b9\u30bf\u30fc\u30c8\u30a2\u30c3\u30d7\u306e\u7a2e\u985e]\u3092<\/strong><strong>[\u7121\u52b9]<\/strong>\u306b\u8a2d\u5b9a\u3057\u307e\u3059\u3002<\/li>\n<li><strong>\u300c\u9069\u7528\u300d\u3092<\/strong>\u30af\u30ea\u30c3\u30af\u3057\u3001<strong>\u300cOK\u300d\u3092<\/strong>\u30af\u30ea\u30c3\u30af\u3057\u3066\u5909\u66f4\u3092\u4fdd\u5b58\u3057\u307e\u3059\u3002<\/li>\n<\/ol>\n<p>\u30b5\u30fc\u30d3\u30b9\u3092\u7121\u52b9\u306b\u3057\u305f\u5f8c\u3001PC \u3092\u518d\u8d77\u52d5\u3057\u3066\u3001VPN \u304c\u6b63\u5e38\u306b\u63a5\u7d9a\u3055\u308c\u308b\u304b\u3069\u3046\u304b\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002<\/p>\n<h3 class=\"wp-block-heading\"><strong>5. \u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30c9\u30e9\u30a4\u30d0\u30fc\u3092\u66f4\u65b0\u3059\u308b<\/strong><\/h3>\n<p>\u5b89\u5b9a\u3057\u305f\u63a5\u7d9a\u306b\u306f\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af \u30c9\u30e9\u30a4\u30d0\u30fc\u3092\u6700\u65b0\u306e\u72b6\u614b\u306b\u4fdd\u3064\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002<\/p>\n<ol class=\"wp-block-list\">\n<li>[\u30b9\u30bf\u30fc\u30c8] \u30e1\u30cb\u30e5\u30fc\u3092\u53f3\u30af\u30ea\u30c3\u30af\u3057\u3001<strong>[\u30c7\u30d0\u30a4\u30b9 \u30de\u30cd\u30fc\u30b8\u30e3\u30fc] \u3092<\/strong>\u9078\u629e\u3057\u307e\u3059\u3002<\/li>\n<li><strong>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af \u30a2\u30c0\u30d7\u30bf\u30fc<\/strong>\u3092\u5c55\u958b\u3057\u307e\u3059\u3002<\/li>\n<li><strong>TAP-Windows Adapter V9<\/strong>\u3092\u53f3\u30af\u30ea\u30c3\u30af\u3057\u3001<strong>\u30c9\u30e9\u30a4\u30d0\u30fc\u306e\u66f4\u65b0\u3092<\/strong>\u9078\u629e\u3057\u307e\u3059\u3002<\/li>\n<li><strong>\u300c\u66f4\u65b0\u3055\u308c\u305f\u30c9\u30e9\u30a4\u30d0\u30fc \u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u3092\u81ea\u52d5\u7684\u306b\u691c\u7d22\u3059\u308b\u300d<\/strong>\u3092\u9078\u629e\u3057\u3001\u6307\u793a\u306b\u5f93\u3044\u307e\u3059\u3002<\/li>\n<li><strong>WAN \u30df\u30cb\u30dd\u30fc\u30c8 (L2TP)<\/strong>\u3068<strong>WAN \u30df\u30cb\u30dd\u30fc\u30c8 (\u30cd\u30c3\u30c8\u30ef\u30fc\u30af \u30e2\u30cb\u30bf\u30fc)<\/strong>\u306b\u5bfe\u3057\u3066\u3053\u306e\u30d7\u30ed\u30bb\u30b9\u3092\u7e70\u308a\u8fd4\u3057\u307e\u3059\u3002<\/li>\n<\/ol>\n<p>\u5909\u66f4\u3092\u6709\u52b9\u306b\u3059\u308b\u306b\u306f\u3001\u305d\u306e\u5f8c\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u30fc\u3092\u518d\u8d77\u52d5\u3057\u307e\u3059\u3002<\/p>\n<h3 class=\"wp-block-heading\"><strong>6. \u8a8d\u8a3c\u8a2d\u5b9a\u3092\u78ba\u8a8d\u3059\u308b<\/strong><\/h3>\n<p>\u8a8d\u8a3c\u8a2d\u5b9a\u304c\u6b63\u3057\u304f\u69cb\u6210\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002<\/p>\n<ol class=\"wp-block-list\">\n<li><strong><kbd>Win<\/kbd>+<kbd>R<\/kbd><\/strong>\u3067\u5b9f\u884c\u30b3\u30de\u30f3\u30c9\u3092\u958b\u304d\u3001<strong>ncpa.cpl<\/strong>\u3068\u5165\u529b\u3057\u3066\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u63a5\u7d9a\u30a6\u30a3\u30f3\u30c9\u30a6\u306b\u30a2\u30af\u30bb\u30b9\u3057\u307e\u3059\u3002<\/li>\n<li>VPN \u63a5\u7d9a\u3092\u53f3\u30af\u30ea\u30c3\u30af\u3057\u3001<strong>[\u30d7\u30ed\u30d1\u30c6\u30a3]<\/strong>\u3092\u9078\u629e\u3057\u307e\u3059\u3002<\/li>\n<li><strong>[\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3]<\/strong>\u30bf\u30d6\u3067\u3001<strong>VPN \u306e\u7a2e\u985e\u304c<\/strong><strong>[IPsec \u3092\u4f7f\u7528\u3057\u305f\u30ec\u30a4\u30e4\u30fc 2 \u30c8\u30f3\u30cd\u30ea\u30f3\u30b0 \u30d7\u30ed\u30c8\u30b3\u30eb (L2TP\/IPsec)]<\/strong>\u306b\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002<\/li>\n<li><strong>[\u3053\u308c\u3089\u306e\u30d7\u30ed\u30c8\u30b3\u30eb\u3092\u8a31\u53ef\u3059\u308b]<\/strong>\u304c\u9078\u629e\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u3001\u304a\u3088\u3073<strong>[\u30c1\u30e3\u30ec\u30f3\u30b8 \u30cf\u30f3\u30c9\u30b7\u30a7\u30a4\u30af\u8a8d\u8a3c\u30d7\u30ed\u30c8\u30b3\u30eb (CHAP)]<\/strong>\u3068<strong>[Microsoft CHAP \u30d0\u30fc\u30b8\u30e7\u30f3 2 (MS-CHAP v2)]<\/strong>\u306e\u4e21\u65b9\u304c\u30c1\u30a7\u30c3\u30af\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002<\/li>\n<li><strong>[OK]<\/strong>\u3092\u30af\u30ea\u30c3\u30af\u3057\u3066\u5909\u66f4\u3092\u4fdd\u5b58\u3057\u307e\u3059\u3002<\/li>\n<\/ol>\n<h3 class=\"wp-block-heading\"><strong>7. VPN\u30d7\u30ed\u30ad\u30b7\u8a2d\u5b9a\u3092\u78ba\u8a8d\u3059\u308b<\/strong><\/h3>\n<ol class=\"wp-block-list\">\n<li>\u691c\u7d22\u30d0\u30fc\u306b<strong>\u300cVPN \u8a2d\u5b9a\u300d<\/strong>\u3068\u5165\u529b\u3057\u3001\u5bfe\u5fdc\u3059\u308b\u30a6\u30a3\u30f3\u30c9\u30a6\u3092\u958b\u304d\u307e\u3059\u3002<\/li>\n<li>VPN \u63a5\u7d9a\u3092\u9078\u629e\u3057\u3001<strong>\u300c\u8a73\u7d30\u30aa\u30d7\u30b7\u30e7\u30f3\u300d<\/strong>\u3092\u30af\u30ea\u30c3\u30af\u3057\u307e\u3059\u3002<\/li>\n<li><strong>VPN \u30d7\u30ed\u30ad\u30b7\u8a2d\u5b9a<\/strong>\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002\u5fc5\u8981\u306b\u5fdc\u3058\u3066\u8abf\u6574\u3059\u308b\u304b\u3001<strong>[\u306a\u3057]<\/strong>\u3092\u9078\u629e\u3057\u3066\u30d7\u30ed\u30ad\u30b7\u8a2d\u5b9a\u3092\u524a\u9664\u3057\u307e\u3059\u3002<\/li>\n<li>\u5909\u66f4\u3092\u78ba\u8a8d\u3059\u308b\u306b\u306f\u3001<strong>\u300c\u9069\u7528\u300d<\/strong>\u3092\u30af\u30ea\u30c3\u30af\u3057\u307e\u3059\u3002<\/li>\n<\/ol>\n<h3 class=\"wp-block-heading\"><strong>8. \u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u3067L2TP\u30dd\u30fc\u30c8\u3092\u958b\u304f<\/strong><\/h3>\n<ol class=\"wp-block-list\">\n<li>Windows \u691c\u7d22\u30d0\u30fc\u3067<strong>\u300c\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u300d<\/strong>\u3092\u691c\u7d22\u3057\u3001 <strong>\u300c\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u3068\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u4fdd\u8b77\u300d<\/strong>\u3092\u958b\u304d\u307e\u3059\u3002<\/li>\n<li><strong>\u9ad8\u5ea6\u306a\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u5099\u3048\u305f Windows Defender \u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb<\/strong>\u306b\u30a2\u30af\u30bb\u30b9\u3057\u307e\u3059\u3002<\/li>\n<li><strong>\u300c\u53d7\u4fe1\u898f\u5247\u300d<\/strong>\u30bb\u30af\u30b7\u30e7\u30f3\u306b\u79fb\u52d5\u3057\u307e\u3059\u3002<\/li>\n<li><strong>[\u30a2\u30af\u30b7\u30e7\u30f3]<\/strong>\u3092\u9078\u629e\u3057\u3001<strong>[\u65b0\u3057\u3044\u30eb\u30fc\u30eb] \u3092<\/strong>\u9078\u629e\u3057\u307e\u3059\u3002<\/li>\n<li><strong>\u30dd\u30fc\u30c8\u3092<\/strong>\u9078\u629e\u3057\u3001<strong>\u300c\u6b21\u3078\u300d<\/strong>\u3092\u30af\u30ea\u30c3\u30af\u3057\u307e\u3059\u3002<\/li>\n<li><strong>UDP<\/strong>\u3092\u9078\u629e\u3057\u3001<strong>\u7279\u5b9a\u306e\u30ed\u30fc\u30ab\u30eb \u30dd\u30fc\u30c8<\/strong>\u30d5\u30a3\u30fc\u30eb\u30c9\u306b<strong>1701\u3001500\u30014500 \u3092<\/strong>\u5165\u529b\u3057\u307e\u3059\u3002<strong><\/strong><\/li>\n<li><strong>\u5b89\u5168\u306a\u5834\u5408\u306f\u63a5\u7d9a\u3092\u8a31\u53ef\u3059\u308b<\/strong>\u3053\u3068\u3092\u9078\u629e\u3057\u307e\u3059\u3002<\/li>\n<li>\u30eb\u30fc\u30eb\u306e\u540d\u524d\u3092\u4f5c\u6210\u3059\u308b\u307e\u3067<strong>\u300c\u6b21\u3078\u300d<\/strong>\u3092\u30af\u30ea\u30c3\u30af\u3057\u3001 <strong>\u300c\u5b8c\u4e86\u300d<\/strong>\u3092\u30af\u30ea\u30c3\u30af\u3057\u307e\u3059\u3002<\/li>\n<\/ol>\n<p><strong>\u9001\u4fe1\u898f\u5247<\/strong>\u306b\u3064\u3044\u3066\u3082\u3053\u306e\u30d7\u30ed\u30bb\u30b9\u3092\u7e70\u308a\u8fd4\u3057\u307e\u3059\u3002\u3053\u308c\u3092\u5b8c\u4e86\u3059\u308b\u3068\u3001 <a href=\"https:\/\/www.cyberghostvpn.com\/offer\/ClickThis_nu7ik4t\">VPN \u306b<\/a>\u6b63\u5e38\u306b\u63a5\u7d9a\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Windows 10 \u3067 VPN \u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u5834\u5408\u3001L2TP\/IPsec \u63a5\u7d9a\u3092\u78ba\u7acb\u3059\u308b\u969b\u306b\u554f\u984c\u304c\u767a\u751f\u3059\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u554f\u984c\u306f\u3001\u30e6\u30fc\u30b6\u30fc\u540d\u3084\u30d1\u30b9\u30ef\u30fc\u30c9\u304c\u6b63\u3057\u304f\u306a\u3044\u3001\u30b5\u30fc\u30d0\u30fc\u540d\u304c\u7121\u52b9\u3001\u30b5\u30fc\u30d0\u30fc\u95a2\u9023\u306e\u554f\u984c\u306a\u3069\u3001\u3055\u307e\u3056\u307e\u306a\u8981\u56e0\u304b\u3089\u767a\u751f\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002 \u6839\u672c\u7684\u306a\u539f\u56e0\u306b\u95a2\u4fc2\u306a\u304f\u3001\u3053\u306e\u63a5\u7d9a\u30a8\u30e9\u30fc\u306b\u5bfe\u51e6\u3059\u308b\u305f\u3081\u306e\u52b9\u679c\u7684\u306a\u89e3\u6c7a\u7b56\u304c\u3044\u304f\u3064\u304b\u3042\u308a\u307e\u3059\u3002\u8cc7\u683c\u60c5\u5831\u3068\u30b5\u30fc\u30d0\u30fc\u60c5\u5831\u3092\u78ba\u8a8d\u3059\u308b\u3053\u3068\u304c\u3001\u591a\u304f\u306e\u5834\u5408\u3001\u554f\u984c\u3092\u89e3\u6c7a\u3059\u308b\u305f\u3081\u306e\u6700\u521d\u306e\u30b9\u30c6\u30c3\u30d7\u3068\u306a\u308a\u307e\u3059\u3002 Windows 10 \u3067\u306e L2TP\/IPsec VPN \u63a5\u7d9a\u306e\u554f\u984c\u306e\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0 1. \u30b3\u30de\u30f3\u30c9\u30d7\u30ed\u30f3\u30d7\u30c8\u3092\u6d3b\u7528\u3059\u308b \u30b3\u30de\u30f3\u30c9 \u30d7\u30ed\u30f3\u30d7\u30c8\u3092\u4f7f\u7528\u3057\u3066\u30a8\u30e9\u30fc\u3092\u89e3\u6c7a\u3059\u308b\u306e\u306f\u52b9\u679c\u7684\u306a\u65b9\u6cd5\u3067\u3059\u3002\u624b\u9806\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002 \u30b9\u30bf\u30fc\u30c8 \u30e1\u30cb\u30e5\u30fc\u3092\u958b\u304d\u3001\u30b3\u30de\u30f3\u30c9 \u30d7\u30ed\u30f3\u30d7\u30c8\u3092\u691c\u7d22\u3057\u307e\u3059\u3002 \u30b3\u30de\u30f3\u30c9\u30d7\u30ed\u30f3\u30d7\u30c8\u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u53f3\u30af\u30ea\u30c3\u30af\u3057\u3001\u300c\u7ba1\u7406\u8005\u3068\u3057\u3066\u5b9f\u884c\u300d\u3092\u9078\u629e\u3057\u307e\u3059\u3002 \u7ba1\u7406\u8005\u30e2\u30fc\u30c9\u3067\u30b3\u30de\u30f3\u30c9\u30d7\u30ed\u30f3\u30d7\u30c8\u3092\u8d77\u52d5\u3057\u307e\u3059\u3002 \u4ee5\u4e0b\u306e\u53c2\u7167\u753b\u50cf\u306b\u793a\u3059\u30b3\u30de\u30f3\u30c9\u3092\u5165\u529b\u3057\u3001Enter \u30ad\u30fc\u3092\u62bc\u3057\u307e\u3059\u3002 \u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3057\u305f\u5f8c\u3001\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u30fc\u3092\u518d\u8d77\u52d5\u3057\u3066\u3001L2TP\/IPsec VPN \u63a5\u7d9a\u304c\u5fa9\u5143\u3055\u308c\u308b\u304b\u3069\u3046\u304b\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002 2. \u30ec\u30b8\u30b9\u30c8\u30ea\u30a8\u30c7\u30a3\u30bf\u30fc\u306e\u8a2d\u5b9a\u3092\u5909\u66f4\u3059\u308b \u30ec\u30b8\u30b9\u30c8\u30ea \u30a8\u30c7\u30a3\u30bf\u30fc\u3067\u7279\u5b9a\u306e\u8a2d\u5b9a\u3092\u8abf\u6574\u3059\u308b\u3053\u3068\u3067\u3082\u3001\u63a5\u7d9a\u306e\u554f\u984c\u3092\u89e3\u6c7a\u3067\u304d\u307e\u3059\u3002\u6b21\u306e\u624b\u9806\u306b\u5f93\u3044\u307e\u3059\u3002 + \u3092\u540c\u6642\u306b\u62bc\u3057\u3066\u5b9f\u884c\u30b3\u30de\u30f3\u30c9\u3092\u958b\u304d\u307e\u3059\u3002WindowsR \u691c\u7d22\u30dc\u30c3\u30af\u30b9\u306b\u300cregedit\u300d\u3068\u5165\u529b\u3057\u3001\u300cOK\u300d\u3092\u30af\u30ea\u30c3\u30af\u3057\u3066\u30ec\u30b8\u30b9\u30c8\u30ea \u30a8\u30c7\u30a3\u30bf\u30fc\u3092\u958b\u304d\u307e\u3059\u3002 \u6b21\u306e\u30d1\u30b9\u306b\u79fb\u52d5\u3057\u307e\u3059\u3002 HKEY_LOCAL_MACHINE\\SYSTEM\\CurrentControlSet\\Services\\PolicyAgent \u53f3\u5074\u306e\u30da\u30a4\u30f3\u3092\u53f3\u30af\u30ea\u30c3\u30af\u3057\u3066\u9078\u629e\u3057\u307e\u3059\u3002New &gt; DWORD (32-bit) Value \u540d\u524d\u3092 \u306b\u5909\u66f4\u3057\u307e\u3059AssumeUDPEncapsulationContextOnSendRule\u3002 \u65b0\u3057\u304f\u4f5c\u6210\u3055\u308c\u305f\u30a8\u30f3\u30c8\u30ea\u3092\u30c0\u30d6\u30eb\u30af\u30ea\u30c3\u30af\u3057\u3066\u30d7\u30ed\u30d1\u30c6\u30a3\u3092\u958b\u304d\u3001Value data\u306b\u8a2d\u5b9a\u3057\u307e\u30592\u3002 \u6b21\u306b\u3001\u3053\u306e\u30d1\u30b9\u306b\u79fb\u52d5\u3057\u307e\u3059\u3002 HKEY_LOCAL_MACHINE\\SYSTEM\\CurrentControlSet\\Services\\RasMan DWORD (32-bit) Value\u3068\u3044\u3046\u540d\u524d\u306e\u5225\u306e \u3092\u4f5c\u6210\u3057ProhibitIpSec\u3001Value data\u306b\u8a2d\u5b9a\u3057\u307e\u30590\u3002 \u3053\u308c\u3089\u306e\u5909\u66f4\u3092\u884c\u3063\u305f\u5f8c\u3001\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u30fc\u3092\u518d\u8d77\u52d5\u3057\u3066 VPN 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