{"id":4238,"date":"2024-09-23T06:46:31","date_gmt":"2024-09-23T06:46:31","guid":{"rendered":"https:\/\/howtogeek.blog\/ja\/?p=4238"},"modified":"2024-09-23T06:46:31","modified_gmt":"2024-09-23T06:46:31","slug":"top-5-methods-to-restore-firewall-settings-in-windows-11","status":"publish","type":"post","link":"https:\/\/howtogeek.blog\/ja\/top-5-methods-to-restore-firewall-settings-in-windows-11\/","title":{"rendered":"Windows 11 \u3067\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u8a2d\u5b9a\u3092\u5fa9\u5143\u3059\u308b 5 \u3064\u306e\u65b9\u6cd5"},"content":{"rendered":"<p>Windows \u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u306e\u8a2d\u5b9a\u306f\u3001Microsoft Defender \u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u91cd\u8981\u306a\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u6a5f\u80fd\u3067\u3059\u3002\u53d7\u4fe1\u3068\u9001\u4fe1\u306e\u4e21\u65b9\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u63a5\u7d9a\u3092\u76e3\u8996\u3059\u308b\u4e0a\u3067\u91cd\u8981\u306a\u5f79\u5272\u3092\u679c\u305f\u3057\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u6a5f\u80fd\u306f\u3001\u30b9\u30d1\u30a4\u30a6\u30a7\u30a2\u3001\u30c8\u30ed\u30a4\u306e\u6728\u99ac\u3001\u30a6\u30a4\u30eb\u30b9\u3001\u304a\u3088\u3073\u3055\u307e\u3056\u307e\u306a\u7a2e\u985e\u306e\u60aa\u610f\u306e\u3042\u308b\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u304b\u3089\u30b7\u30b9\u30c6\u30e0\u3092\u4fdd\u8b77\u3057\u307e\u3059\u3002\u3055\u3089\u306b\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8 \u30a2\u30af\u30bb\u30b9\u3092\u898f\u5236\u304a\u3088\u3073\u5236\u9650\u3059\u308b\u306e\u306b\u3082\u5f79\u7acb\u3061\u307e\u3059\u3002\u305f\u3060\u3057\u3001\u69cb\u6210\u304c\u9593\u9055\u3063\u3066\u3044\u308b\u3068\u554f\u984c\u304c\u767a\u751f\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u8a2d\u5b9a\u304c\u4e0d\u9069\u5207\u306b\u69cb\u6210\u3055\u308c\u3066\u3044\u308b\u305f\u3081\u306b\u554f\u984c\u304c\u767a\u751f\u3057\u305f\u5834\u5408\u3001\u30c7\u30d5\u30a9\u30eb\u30c8\u72b6\u614b\u306b\u30ea\u30bb\u30c3\u30c8\u3059\u308b\u306e\u304c\u8ce2\u660e\u306a\u89e3\u6c7a\u7b56\u3067\u3059\u3002\u4ee5\u4e0b\u3067\u306f\u3001<strong>Windows 11 \u3067\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u8a2d\u5b9a\u3092\u30ea\u30bb\u30c3\u30c8\u3059\u308b\u6700\u9069\u306a\u65b9\u6cd5<\/strong>\u306b\u3064\u3044\u3066\u8aac\u660e\u3057\u307e\u3059\u3002<\/p>\n<h2><span id=\"How_to_Reset_Firewall_Settings_on_Windows_11\"><strong>Windows 11 \u3067\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u8a2d\u5b9a\u3092\u30ea\u30bb\u30c3\u30c8\u3059\u308b\u65b9\u6cd5<\/strong><\/span><\/h2>\n<p>Windows \u306f\u30e6\u30fc\u30b6\u30fc\u30d5\u30ec\u30f3\u30c9\u30ea\u30fc\u306a\u30aa\u30da\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0 \u30b7\u30b9\u30c6\u30e0\u3092\u63d0\u4f9b\u3057\u3001\u8abf\u6574\u304c\u7c21\u5358\u3067\u3059\u3002\u304a\u5ba2\u69d8\u306e\u4fbf\u5b9c\u3092\u56f3\u308b\u305f\u3081\u3001Windows 11 \u3067\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u8a2d\u5b9a\u3092\u30ea\u30bb\u30c3\u30c8\u3059\u308b\u7c21\u5358\u306a\u65b9\u6cd5\u3092\u3044\u304f\u3064\u304b\u3054\u7d39\u4ecb\u3057\u307e\u3059\u3002\u3055\u3063\u305d\u304f\u59cb\u3081\u307e\u3057\u3087\u3046\u3002<\/p>\n<h3><span id=\"1_Reset_Firewall_Settings_using_Windows_Security\"><strong>1. Windows\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u4f7f\u7528\u3057\u3066\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u8a2d\u5b9a\u3092\u30ea\u30bb\u30c3\u30c8\u3059\u308b<\/strong><\/span><\/h3>\n<p>\u3059\u3079\u3066\u306e\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u3068\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u95a2\u9023\u306e\u8a2d\u5b9a\u306f\u3001\u8a2d\u5b9a\u30a2\u30d7\u30ea\u306e Windows \u30bb\u30ad\u30e5\u30ea\u30c6\u30a3 \u30bb\u30af\u30b7\u30e7\u30f3\u306b\u7d71\u5408\u3055\u308c\u3066\u3044\u308b\u305f\u3081\u3001\u7c21\u5358\u306b\u8abf\u6574\u3067\u304d\u307e\u3059\u3002Windows \u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u4f7f\u7528\u3057\u3066\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u8a2d\u5b9a\u3092\u30ea\u30bb\u30c3\u30c8\u3059\u308b\u65b9\u6cd5\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n<ol>\n<li><strong>Windows &gt; \u8a2d\u5b9a &gt; \u30d7\u30e9\u30a4\u30d0\u30b7\u30fc\u3068\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3 \u3092<\/strong>\u62bc\u3057\u307e\u3059\u3002<\/li>\n<li>\u6b21\u306b\u3001<strong>\u300cWindows \u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u300d<\/strong>\u3092\u30af\u30ea\u30c3\u30af\u3057\u307e\u3059\u3002<img alt=\"\" class=\"wp-image\" decoding=\"async\" height=\"377\" loading=\"lazy\" src=\"https:\/\/cdn.howtogeek.blog\/wp-content\/uploads\/2024\/09\/windows-security-4.webp\" title=\"\" width=\"650\"\/><\/li>\n<li><strong>\u300c\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u3068\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u4fdd\u8b77\u300d<\/strong>\u3092\u898b\u3064\u3051\u3066\u30af\u30ea\u30c3\u30af\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001Windows \u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u8a2d\u5b9a\u30a6\u30a3\u30f3\u30c9\u30a6\u304c\u8868\u793a\u3055\u308c\u307e\u3059\u3002<img alt=\"\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u3068\u30cd\u30c3\u30c8\u30ef\u30fc\u30af.jpg\" class=\"wp-image\" decoding=\"async\" height=\"470\" loading=\"lazy\" src=\"https:\/\/cdn.howtogeek.blog\/wp-content\/uploads\/2024\/09\/firewall-and-network.webp\" title=\"\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u3068\u30cd\u30c3\u30c8\u30ef\u30fc\u30af.jpg\" width=\"644\"\/><\/li>\n<li><strong>\u6b21\u306b\u3001 [\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u3092\u30c7\u30d5\u30a9\u30eb\u30c8\u306b\u623b\u3059]<\/strong>\u3092\u30af\u30ea\u30c3\u30af\u3059\u308b\u3068\u3001\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb \u30d1\u30cd\u30eb\u304c\u8868\u793a\u3055\u308c\u307e\u3059\u3002<img alt=\"\" class=\"wp-image\" decoding=\"async\" height=\"410\" loading=\"lazy\" src=\"https:\/\/cdn.howtogeek.blog\/wp-content\/uploads\/2024\/09\/Restore-firewalls-to-default.webp\" title=\"\" width=\"493\"\/><\/li>\n<li>\u3082\u3046\u4e00\u5ea6<strong>\u300c\u30c7\u30d5\u30a9\u30eb\u30c8<\/strong>\u306b\u623b\u3059\u300d\u3092\u30af\u30ea\u30c3\u30af\u3057\u307e\u3059\u3002<img alt=\"\" class=\"wp-image\" decoding=\"async\" height=\"308\" loading=\"lazy\" src=\"https:\/\/cdn.howtogeek.blog\/wp-content\/uploads\/2024\/09\/Restore-defaults-button.webp\" title=\"\" width=\"541\"\/><\/li>\n<li>\u78ba\u8a8d\u30a6\u30a3\u30f3\u30c9\u30a6\u304c\u30dd\u30c3\u30d7\u30a2\u30c3\u30d7\u8868\u793a\u3055\u308c\u308b\u306e\u3067\u3001<strong>\u300c\u306f\u3044\u300d<\/strong>\u3092\u30af\u30ea\u30c3\u30af\u3057\u3066\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u8a2d\u5b9a\u306e\u30ea\u30bb\u30c3\u30c8\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002<img alt=\"\u30c7\u30d5\u30a9\u30eb\u30c8\u3092\u5fa9\u5143\u3059\u308b\u78ba\u8a8d\" class=\"wp-image\" decoding=\"async\" height=\"193\" loading=\"lazy\" src=\"https:\/\/cdn.howtogeek.blog\/wp-content\/uploads\/2024\/09\/restore-defualts-confirmation.webp\" title=\"\u30c7\u30d5\u30a9\u30eb\u30c8\u3092\u5fa9\u5143\u3059\u308b\u78ba\u8a8d\" width=\"400\"\/><\/li>\n<\/ol>\n<h3><span id=\"2_Windows_Defender_Firewall_Default_Settings_using_Control_Panel\"><strong>2. \u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u30d1\u30cd\u30eb\u3092\u4f7f\u7528\u3057\u305fWindows Defender\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u306e\u30c7\u30d5\u30a9\u30eb\u30c8\u8a2d\u5b9a<\/strong><\/span><\/h3>\n<p>\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb \u30d1\u30cd\u30eb\u306f\u3001\u30aa\u30da\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0 \u30b7\u30b9\u30c6\u30e0\u306e\u5909\u66f4\u3084\u3001\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u3068\u30cf\u200b\u200b\u30fc\u30c9\u30a6\u30a7\u30a2\u306e\u4e21\u65b9\u306e\u69cb\u6210\u306e\u7ba1\u7406\u306b\u4e0d\u53ef\u6b20\u3067\u3059\u3002\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb \u30d1\u30cd\u30eb\u3092\u4f7f\u7528\u3057\u3066\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u3092\u30c7\u30d5\u30a9\u30eb\u30c8\u8a2d\u5b9a\u306b\u30ea\u30bb\u30c3\u30c8\u3059\u308b\u3053\u3068\u306f\u3001\u4fe1\u983c\u6027\u306e\u9ad8\u3044\u65b9\u6cd5\u3067\u3059\u3002<\/p>\n<ol>\n<li><strong>Windows<\/strong>\u3092\u62bc\u3057\u3066\u3001\u300c\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb \u30d1\u30cd\u30eb\u300d\u3092\u691c\u7d22\u3057<strong>\u3001<\/strong><strong>\u300c\u958b\u304f\u300d<\/strong>\u3092\u30af\u30ea\u30c3\u30af\u3057\u307e\u3059\u3002<img alt=\"\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u30d1\u30cd\u30eb\" class=\"wp-image\" decoding=\"async\" height=\"450\" loading=\"lazy\" src=\"https:\/\/cdn.howtogeek.blog\/wp-content\/uploads\/2024\/09\/open-Control-Panel-1.webp\" title=\"\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u30d1\u30cd\u30eb\" width=\"600\"\/><\/li>\n<li>\u30a6\u30a3\u30f3\u30c9\u30a6\u3067\u3001<strong>Windows Defender \u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u3092<\/strong>\u898b\u3064\u3051\u3066\u30af\u30ea\u30c3\u30af\u3057\u307e\u3059\u3002<img alt=\"\u30a6\u30a3\u30f3\u30c9\u30a6\u30ba \u30c7\u30a3\u30d5\u30a7\u30f3\u30c0\u30fc \u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\" class=\"wp-image\" decoding=\"async\" height=\"342\" loading=\"lazy\" src=\"https:\/\/cdn.howtogeek.blog\/wp-content\/uploads\/2024\/09\/windows-defender-firewall.webp\" title=\"\u30a6\u30a3\u30f3\u30c9\u30a6\u30ba \u30c7\u30a3\u30d5\u30a7\u30f3\u30c0\u30fc \u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\" width=\"640\"\/><\/li>\n<li>\u6b21\u306b\u3001<strong>\u300c\u30c7\u30d5\u30a9\u30eb\u30c8\u306b\u623b\u3059\u300d<\/strong>\u3092\u30af\u30ea\u30c3\u30af\u3057\u307e\u3059\u3002<img alt=\"\u30c7\u30d5\u30a9\u30eb\u30c8\u306b\u623b\u3059\" class=\"wp-image\" decoding=\"async\" height=\"330\" loading=\"lazy\" src=\"https:\/\/cdn.howtogeek.blog\/wp-content\/uploads\/2024\/09\/restore-defaults.webp\" title=\"\u30c7\u30d5\u30a9\u30eb\u30c8\u306b\u623b\u3059\" width=\"600\"\/><\/li>\n<li>\u6b21\u306e\u624b\u9806\u3067\u3001<strong>\u300c\u30c7\u30d5\u30a9\u30eb\u30c8\u306b\u623b\u3059\u300d<\/strong>\u3092\u30af\u30ea\u30c3\u30af\u3057\u307e\u3059\u3002<img alt=\"\" class=\"wp-image\" decoding=\"async\" height=\"308\" loading=\"lazy\" src=\"https:\/\/cdn.howtogeek.blog\/wp-content\/uploads\/2024\/09\/Restore-defaults-button-1.webp\" title=\"\" width=\"541\"\/><\/li>\n<li>\u6700\u5f8c\u306b\u3001<strong>\u300c\u306f\u3044\u300d<\/strong>\u30dc\u30bf\u30f3\u3092\u30af\u30ea\u30c3\u30af\u3057\u3066\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u8a2d\u5b9a\u306e\u30ea\u30bb\u30c3\u30c8\u3092\u5b9f\u884c\u3057\u307e\u3059\u3002<img alt=\"\u30c7\u30d5\u30a9\u30eb\u30c8\u3092\u5fa9\u5143\u3059\u308b\u78ba\u8a8d\" class=\"wp-image\" decoding=\"async\" height=\"193\" loading=\"lazy\" src=\"https:\/\/cdn.howtogeek.blog\/wp-content\/uploads\/2024\/09\/restore-defualts-confirmation-1.webp\" title=\"\u30c7\u30d5\u30a9\u30eb\u30c8\u3092\u5fa9\u5143\u3059\u308b\u78ba\u8a8d\" width=\"400\"\/><\/li>\n<\/ol>\n<h3><span id=\"3_Reset_Windows_Firewall_Rules_to_Default_PowerShell\"><strong>3. PowerShell \u3092\u4f7f\u7528\u3057\u3066 Windows \u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u306e\u30eb\u30fc\u30eb\u3092\u30c7\u30d5\u30a9\u30eb\u30c8\u306b\u30ea\u30bb\u30c3\u30c8\u3059\u308b<\/strong><\/span><\/h3>\n<p>PowerShell \u306f\u3001\u3055\u307e\u3056\u307e\u306a\u30bf\u30b9\u30af\u3092\u7ba1\u7406\u3057\u3001\u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u3092\u81ea\u52d5\u5316\u3067\u304d\u308b\u69cb\u6210\u7ba1\u7406\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u3068\u3057\u3066\u6a5f\u80fd\u3057\u307e\u3059\u3002\u307e\u305f\u3001Windows \u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb \u30eb\u30fc\u30eb\u3092\u65e2\u5b9a\u306e\u8a2d\u5b9a\u306b\u30ea\u30bb\u30c3\u30c8\u3059\u308b\u305f\u3081\u306b\u3082\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002<\/p>\n<ol>\n<li><strong>Windows<\/strong>\u3092\u62bc\u3057\u3066\u3001 <strong>PowerShell<\/strong>\u3092\u691c\u7d22\u3057\u3001<strong>\u7ba1\u7406\u8005\u3068\u3057\u3066\u5b9f\u884c<\/strong>\u3092\u30af\u30ea\u30c3\u30af\u3057\u307e\u3059\u3002<img alt=\"Windows PowerShell\" class=\"wp-image\" decoding=\"async\" height=\"500\" loading=\"lazy\" src=\"https:\/\/cdn.howtogeek.blog\/wp-content\/uploads\/2024\/09\/Windows-PowerShell.webp\" title=\"Windows PowerShell\" width=\"759\"\/><\/li>\n<li><strong>\u300c\u306f\u3044\u300d<\/strong>\u3092\u30af\u30ea\u30c3\u30af\u3057\u3066\u7d9a\u884c\u3057\u307e\u3059\u3002<\/li>\n<li>\u6b21\u306e\u30b3\u30de\u30f3\u30c9<strong>\u3092\u30b3\u30d4\u30fc\u3057<\/strong>\u3066PowerShell \u306b<strong>\u8cbc\u308a\u4ed8\u3051\u307e\u3059\u3002<\/strong><br \/>\n<code><strong>(New-Object -ComObject HNetCfg.FwPolicy2).RestoreLocalFirewallDefaults()<\/strong><\/code>\n<\/li>\n<li><img alt=\"Windows \u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u306e\u30eb\u30fc\u30eb\u3092\u65e2\u5b9a\u306e PowerShell \u306b\u30ea\u30bb\u30c3\u30c8\u3059\u308b\" class=\"wp-image\" decoding=\"async\" height=\"293\" loading=\"lazy\" src=\"https:\/\/cdn.howtogeek.blog\/wp-content\/uploads\/2024\/09\/Reset-Windows-Firewall-Rules-to-Default-PowerShell.webp\" title=\"Windows \u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u306e\u30eb\u30fc\u30eb\u3092\u65e2\u5b9a\u306e PowerShell \u306b\u30ea\u30bb\u30c3\u30c8\u3059\u308b\" width=\"640\"\/>\u305d\u306e\u5f8c\u3001<strong>Enter<\/strong>\u30ad\u30fc\u3092\u62bc\u3057\u3066\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3057\u3001\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u306e\u8a2d\u5b9a\u3092\u30ea\u30bb\u30c3\u30c8\u3057\u307e\u3059\u3002<\/li>\n<\/ol>\n<h3><span id=\"4_Restore_Windows_Firewall_to_Default_using_Command_Prompt\"><strong>4. \u30b3\u30de\u30f3\u30c9\u30d7\u30ed\u30f3\u30d7\u30c8\u3092\u4f7f\u7528\u3057\u3066Windows\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u3092\u30c7\u30d5\u30a9\u30eb\u30c8\u306b\u623b\u3059<\/strong><\/span><\/h3>\n<p>\u30b3\u30de\u30f3\u30c9 \u30d7\u30ed\u30f3\u30d7\u30c8 (CMD) \u3068 PowerShell \u306f\u4f3c\u3066\u3044\u308b\u3088\u3046\u306b\u898b\u3048\u307e\u3059\u304c\u3001\u76ee\u7684\u306f\u7570\u306a\u308a\u307e\u3059\u3002\u30b7\u30b9\u30c6\u30e0\u8a2d\u5b9a\u3092\u5909\u66f4\u3059\u308b\u5834\u5408\u3001CMD \u306e\u65b9\u304c\u901f\u3044\u9078\u629e\u80a2\u3068\u306a\u308b\u3053\u3068\u304c\u3088\u304f\u3042\u308a\u307e\u3059\u3002<\/p>\n<ol>\n<li><strong>Windows<\/strong>\u3092\u62bc\u3057\u3066\u3001 <strong>\u300c\u30b3\u30de\u30f3\u30c9 \u30d7\u30ed\u30f3\u30d7\u30c8\u300d<\/strong>\u3092\u691c\u7d22\u3057\u3001<strong>\u300c\u7ba1\u7406\u8005\u3068\u3057\u3066\u5b9f\u884c\u300d<\/strong>\u3092\u30af\u30ea\u30c3\u30af\u3057\u307e\u3059\u3002<img alt=\"\" class=\"wp-image\" decoding=\"async\" height=\"473\" loading=\"lazy\" src=\"https:\/\/cdn.howtogeek.blog\/wp-content\/uploads\/2024\/09\/cmd-1.webp\" title=\"\" width=\"656\"\/><\/li>\n<li><strong>\u300c\u306f\u3044\u300d<\/strong>\u3092\u30af\u30ea\u30c3\u30af\u3057\u3066CMD \u3092\u958b\u304d\u307e\u3059\u3002<\/li>\n<li>\u6b21\u306b\u3001CMD \u306b\u6b21\u306e\u30b3\u30de\u30f3\u30c9\u3092\u5165\u529b\u3057\u307e\u3059\u3002<br \/>\n<code><strong>netsh advfirewall reset<\/strong><\/code>\n<\/li>\n<li><img alt=\"\u30b3\u30de\u30f3\u30c9\u30d7\u30ed\u30f3\u30d7\u30c8\u3092\u4f7f\u7528\u3057\u3066 Windows \u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u3092\u30c7\u30d5\u30a9\u30eb\u30c8\u306b\u5fa9\u5143\u3059\u308b\" class=\"wp-image\" decoding=\"async\" height=\"269\" loading=\"lazy\" src=\"https:\/\/cdn.howtogeek.blog\/wp-content\/uploads\/2024\/09\/Restore-Windows-Firewall-to-Default-using-Command-Prompt.webp\" title=\"\u30b3\u30de\u30f3\u30c9\u30d7\u30ed\u30f3\u30d7\u30c8\u3092\u4f7f\u7528\u3057\u3066 Windows \u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u3092\u30c7\u30d5\u30a9\u30eb\u30c8\u306b\u5fa9\u5143\u3059\u308b\" width=\"600\"\/><strong>\u3053\u3053\u3067Enter<\/strong>\u30ad\u30fc\u3092\u62bc\u3059\u3068\u3001\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u306e\u8a2d\u5b9a\u304c\u3059\u3050\u306b\u30ea\u30bb\u30c3\u30c8\u3055\u308c\u307e\u3059\u3002<\/li>\n<\/ol>\n<h3><span id=\"5_Reset_Firewall_Settings_through_Advanced_Security\"><strong>5. \u9ad8\u5ea6\u306a\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3067\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u8a2d\u5b9a\u3092\u30ea\u30bb\u30c3\u30c8\u3059\u308b<\/strong><\/span><\/h3>\n<p>\u9ad8\u5ea6\u306a\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306f\u3001Windows \u30bb\u30ad\u30e5\u30ea\u30c6\u30a3 \u30a8\u30b3\u30b7\u30b9\u30c6\u30e0\u306e\u91cd\u8981\u306a\u5074\u9762\u3067\u3042\u308a\u3001\u30b7\u30b9\u30c6\u30e0\u306e\u4fdd\u8b77\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002\u3053\u306e\u6a5f\u80fd\u3092\u4f7f\u7528\u3057\u3066\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u8a2d\u5b9a\u3092\u30ea\u30bb\u30c3\u30c8\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002\u6b21\u306e\u624b\u9806\u306b\u5f93\u3044\u307e\u3059\u3002<\/p>\n<ol>\n<li><strong>Windows<\/strong>\u3092\u62bc\u3057\u3066\u3001 \u300c\u5b9f\u884c\u300d\u30c4\u30fc\u30eb\u3092\u691c\u7d22\u3057<strong>\u3001\u958b\u304d\u307e\u3059<\/strong>\u3002(\u307e\u305f\u306f\u3001<strong>Windows + R<\/strong>\u3092\u62bc\u3057\u3066\u5b9f\u884c\u30c4\u30fc\u30eb\u3092\u8d77\u52d5\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059)\u3002<\/li>\n<li><strong>[\u5b9f\u884c] \u30c0\u30a4\u30a2\u30ed\u30b0\u306bwf.msc<\/strong>\u3068\u5165\u529b\u3057\u3001<strong>Enter \u30ad\u30fc\u3092\u62bc\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a<\/strong><strong>\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u304c\u5f37\u5316\u3055\u308c\u305f Windows Defender \u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb<\/strong>\u304c\u958b\u304d\u307e\u3059\u3002<img alt=\"\u7ffb\u8a33:\" class=\"wp-image\" decoding=\"async\" height=\"228\" loading=\"lazy\" src=\"https:\/\/cdn.howtogeek.blog\/wp-content\/uploads\/2024\/09\/wf.msc_.webp\" title=\"\u7ffb\u8a33:\" width=\"400\"\/><\/li>\n<li><strong>\u30ed\u30fc\u30ab\u30eb \u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u30fc\u4e0a\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u304c\u5f37\u5316\u3055\u308c\u305f Windows Defender \u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb<\/strong>\u3092\u53f3\u30af\u30ea\u30c3\u30af\u3057\u3001<strong>[\u65e2\u5b9a\u306e\u30dd\u30ea\u30b7\u30fc\u306e\u5fa9\u5143]<\/strong>\u3092\u9078\u629e\u3057\u307e\u3059\u3002<img alt=\"\" class=\"wp-image\" decoding=\"async\" height=\"435\" loading=\"lazy\" src=\"https:\/\/cdn.howtogeek.blog\/wp-content\/uploads\/2024\/09\/restore-default-policy-1.webp\" title=\"\" width=\"640\"\/><\/li>\n<li>\u30a2\u30af\u30b7\u30e7\u30f3\u3092\u78ba\u8a8d\u3059\u308b\u306b\u306f\u3001<strong>[\u306f\u3044]<\/strong>\u30dc\u30bf\u30f3\u3092\u30af\u30ea\u30c3\u30af\u3057\u307e\u3059\u3002<\/li>\n<\/ol>\n<h4><span id=\"Final_Words\"><strong>\u6700\u5f8c\u306b<\/strong><\/span><\/h4>\n<p>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3084\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u306e\u5c02\u9580\u5bb6\u3067\u306a\u3044\u5834\u5408\u306f\u3001\u5fc5\u8981\u306a\u5834\u5408\u3092\u9664\u3044\u3066\u8a2d\u5b9a\u3092\u5909\u66f4\u3057\u306a\u3044\u3053\u3068\u3092\u304a\u52e7\u3081\u3057\u307e\u3059\u3002\u901a\u5e38\u3001\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u306f\u3001\u7279\u5b9a\u306e\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8 \u30a2\u30af\u30bb\u30b9\u3092\u5236\u9650\u3059\u308b\u5fc5\u8981\u304c\u306a\u3044\u9650\u308a\u3001\u6700\u9069\u306b\u6a5f\u80fd\u3057\u307e\u3059\u3002\u8aa4\u3063\u3066\u5909\u66f4\u3057\u3066\u3057\u307e\u3063\u305f\u5834\u5408\u3067\u3082\u3001Windows 11 \u3067\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u8a2d\u5b9a\u3092\u7c21\u5358\u306b\u30ea\u30bb\u30c3\u30c8\u3067\u304d\u307e\u3059\u3002<\/p>\n<p><a class=\"xiaomi\" href=\"https:\/\/techdator.net\/reset-firewall-settings-on-windows-11\/\" rel=\"noopener noreferrer nofollow\" target=\"_blank\">\u30bd\u30fc\u30b9<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Windows \u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u306e\u8a2d\u5b9a\u306f\u3001Microsoft Defender \u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u91cd\u8981\u306a\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u6a5f\u80fd\u3067\u3059\u3002\u53d7\u4fe1\u3068\u9001\u4fe1\u306e\u4e21\u65b9\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u63a5\u7d9a\u3092\u76e3\u8996\u3059\u308b\u4e0a\u3067\u91cd\u8981\u306a\u5f79\u5272\u3092\u679c\u305f\u3057\u307e\u3059\u3002 \u3053\u306e\u6a5f\u80fd\u306f\u3001\u30b9\u30d1\u30a4\u30a6\u30a7\u30a2\u3001\u30c8\u30ed\u30a4\u306e\u6728\u99ac\u3001\u30a6\u30a4\u30eb\u30b9\u3001\u304a\u3088\u3073\u3055\u307e\u3056\u307e\u306a\u7a2e\u985e\u306e\u60aa\u610f\u306e\u3042\u308b\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u304b\u3089\u30b7\u30b9\u30c6\u30e0\u3092\u4fdd\u8b77\u3057\u307e\u3059\u3002\u3055\u3089\u306b\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8 \u30a2\u30af\u30bb\u30b9\u3092\u898f\u5236\u304a\u3088\u3073\u5236\u9650\u3059\u308b\u306e\u306b\u3082\u5f79\u7acb\u3061\u307e\u3059\u3002\u305f\u3060\u3057\u3001\u69cb\u6210\u304c\u9593\u9055\u3063\u3066\u3044\u308b\u3068\u554f\u984c\u304c\u767a\u751f\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002 \u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u8a2d\u5b9a\u304c\u4e0d\u9069\u5207\u306b\u69cb\u6210\u3055\u308c\u3066\u3044\u308b\u305f\u3081\u306b\u554f\u984c\u304c\u767a\u751f\u3057\u305f\u5834\u5408\u3001\u30c7\u30d5\u30a9\u30eb\u30c8\u72b6\u614b\u306b\u30ea\u30bb\u30c3\u30c8\u3059\u308b\u306e\u304c\u8ce2\u660e\u306a\u89e3\u6c7a\u7b56\u3067\u3059\u3002\u4ee5\u4e0b\u3067\u306f\u3001Windows 11 \u3067\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u8a2d\u5b9a\u3092\u30ea\u30bb\u30c3\u30c8\u3059\u308b\u6700\u9069\u306a\u65b9\u6cd5\u306b\u3064\u3044\u3066\u8aac\u660e\u3057\u307e\u3059\u3002 Windows 11 \u3067\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u8a2d\u5b9a\u3092\u30ea\u30bb\u30c3\u30c8\u3059\u308b\u65b9\u6cd5 Windows \u306f\u30e6\u30fc\u30b6\u30fc\u30d5\u30ec\u30f3\u30c9\u30ea\u30fc\u306a\u30aa\u30da\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0 \u30b7\u30b9\u30c6\u30e0\u3092\u63d0\u4f9b\u3057\u3001\u8abf\u6574\u304c\u7c21\u5358\u3067\u3059\u3002\u304a\u5ba2\u69d8\u306e\u4fbf\u5b9c\u3092\u56f3\u308b\u305f\u3081\u3001Windows 11 \u3067\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u8a2d\u5b9a\u3092\u30ea\u30bb\u30c3\u30c8\u3059\u308b\u7c21\u5358\u306a\u65b9\u6cd5\u3092\u3044\u304f\u3064\u304b\u3054\u7d39\u4ecb\u3057\u307e\u3059\u3002\u3055\u3063\u305d\u304f\u59cb\u3081\u307e\u3057\u3087\u3046\u3002 1. Windows\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u4f7f\u7528\u3057\u3066\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u8a2d\u5b9a\u3092\u30ea\u30bb\u30c3\u30c8\u3059\u308b \u3059\u3079\u3066\u306e\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u3068\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u95a2\u9023\u306e\u8a2d\u5b9a\u306f\u3001\u8a2d\u5b9a\u30a2\u30d7\u30ea\u306e Windows \u30bb\u30ad\u30e5\u30ea\u30c6\u30a3 \u30bb\u30af\u30b7\u30e7\u30f3\u306b\u7d71\u5408\u3055\u308c\u3066\u3044\u308b\u305f\u3081\u3001\u7c21\u5358\u306b\u8abf\u6574\u3067\u304d\u307e\u3059\u3002Windows \u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u4f7f\u7528\u3057\u3066\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u8a2d\u5b9a\u3092\u30ea\u30bb\u30c3\u30c8\u3059\u308b\u65b9\u6cd5\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002 Windows &gt; \u8a2d\u5b9a &gt; \u30d7\u30e9\u30a4\u30d0\u30b7\u30fc\u3068\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3 \u3092\u62bc\u3057\u307e\u3059\u3002 \u6b21\u306b\u3001\u300cWindows \u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u300d\u3092\u30af\u30ea\u30c3\u30af\u3057\u307e\u3059\u3002 \u300c\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u3068\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u4fdd\u8b77\u300d\u3092\u898b\u3064\u3051\u3066\u30af\u30ea\u30c3\u30af\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001Windows \u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u8a2d\u5b9a\u30a6\u30a3\u30f3\u30c9\u30a6\u304c\u8868\u793a\u3055\u308c\u307e\u3059\u3002 \u6b21\u306b\u3001 [\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u3092\u30c7\u30d5\u30a9\u30eb\u30c8\u306b\u623b\u3059]\u3092\u30af\u30ea\u30c3\u30af\u3059\u308b\u3068\u3001\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb \u30d1\u30cd\u30eb\u304c\u8868\u793a\u3055\u308c\u307e\u3059\u3002 \u3082\u3046\u4e00\u5ea6\u300c\u30c7\u30d5\u30a9\u30eb\u30c8\u306b\u623b\u3059\u300d\u3092\u30af\u30ea\u30c3\u30af\u3057\u307e\u3059\u3002 \u78ba\u8a8d\u30a6\u30a3\u30f3\u30c9\u30a6\u304c\u30dd\u30c3\u30d7\u30a2\u30c3\u30d7\u8868\u793a\u3055\u308c\u308b\u306e\u3067\u3001\u300c\u306f\u3044\u300d\u3092\u30af\u30ea\u30c3\u30af\u3057\u3066\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u8a2d\u5b9a\u306e\u30ea\u30bb\u30c3\u30c8\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002 2. \u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u30d1\u30cd\u30eb\u3092\u4f7f\u7528\u3057\u305fWindows Defender\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u306e\u30c7\u30d5\u30a9\u30eb\u30c8\u8a2d\u5b9a \u30b3\u30f3\u30c8\u30ed\u30fc\u30eb \u30d1\u30cd\u30eb\u306f\u3001\u30aa\u30da\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0 \u30b7\u30b9\u30c6\u30e0\u306e\u5909\u66f4\u3084\u3001\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u3068\u30cf\u200b\u200b\u30fc\u30c9\u30a6\u30a7\u30a2\u306e\u4e21\u65b9\u306e\u69cb\u6210\u306e\u7ba1\u7406\u306b\u4e0d\u53ef\u6b20\u3067\u3059\u3002\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb \u30d1\u30cd\u30eb\u3092\u4f7f\u7528\u3057\u3066\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u3092\u30c7\u30d5\u30a9\u30eb\u30c8\u8a2d\u5b9a\u306b\u30ea\u30bb\u30c3\u30c8\u3059\u308b\u3053\u3068\u306f\u3001\u4fe1\u983c\u6027\u306e\u9ad8\u3044\u65b9\u6cd5\u3067\u3059\u3002 Windows\u3092\u62bc\u3057\u3066\u3001\u300c\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb \u30d1\u30cd\u30eb\u300d\u3092\u691c\u7d22\u3057\u3001\u300c\u958b\u304f\u300d\u3092\u30af\u30ea\u30c3\u30af\u3057\u307e\u3059\u3002 \u30a6\u30a3\u30f3\u30c9\u30a6\u3067\u3001Windows Defender \u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u3092\u898b\u3064\u3051\u3066\u30af\u30ea\u30c3\u30af\u3057\u307e\u3059\u3002 \u6b21\u306b\u3001\u300c\u30c7\u30d5\u30a9\u30eb\u30c8\u306b\u623b\u3059\u300d\u3092\u30af\u30ea\u30c3\u30af\u3057\u307e\u3059\u3002 \u6b21\u306e\u624b\u9806\u3067\u3001\u300c\u30c7\u30d5\u30a9\u30eb\u30c8\u306b\u623b\u3059\u300d\u3092\u30af\u30ea\u30c3\u30af\u3057\u307e\u3059\u3002 \u6700\u5f8c\u306b\u3001\u300c\u306f\u3044\u300d\u30dc\u30bf\u30f3\u3092\u30af\u30ea\u30c3\u30af\u3057\u3066\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u8a2d\u5b9a\u306e\u30ea\u30bb\u30c3\u30c8\u3092\u5b9f\u884c\u3057\u307e\u3059\u3002 3. [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[19],"class_list":["post-4238","post","type-post","status-publish","format-standard","hentry","category-how-to","tag-windows"],"acf":[],"_links":{"self":[{"href":"https:\/\/howtogeek.blog\/ja\/wp-json\/wp\/v2\/posts\/4238","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/howtogeek.blog\/ja\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/howtogeek.blog\/ja\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/howtogeek.blog\/ja\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/howtogeek.blog\/ja\/wp-json\/wp\/v2\/comments?post=4238"}],"version-history":[{"count":1,"href":"https:\/\/howtogeek.blog\/ja\/wp-json\/wp\/v2\/posts\/4238\/revisions"}],"predecessor-version":[{"id":4239,"href":"https:\/\/howtogeek.blog\/ja\/wp-json\/wp\/v2\/posts\/4238\/revisions\/4239"}],"wp:attachment":[{"href":"https:\/\/howtogeek.blog\/ja\/wp-json\/wp\/v2\/media?parent=4238"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/howtogeek.blog\/ja\/wp-json\/wp\/v2\/categories?post=4238"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/howtogeek.blog\/ja\/wp-json\/wp\/v2\/tags?post=4238"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}