{"id":9191,"date":"2026-02-04T10:17:57","date_gmt":"2026-02-04T08:17:57","guid":{"rendered":"https:\/\/www.cytomic.ai\/tendencias\/bsod-on-vpn-servers-caused-by-endpoint-protection-network-interception-drivers\/"},"modified":"2026-04-07T08:39:43","modified_gmt":"2026-04-07T06:39:43","slug":"wgua-6379","status":"publish","type":"post","link":"https:\/\/www.cytomic.ai\/es\/soporte\/wgua-6379\/","title":{"rendered":"Pantallazo azul (BSOD) en servidores VPN causado por los controladores de interceptaci\u00f3n de red de la protecci\u00f3n de endpoints"},"content":{"rendered":"[vc_row type=&#8221;full_width_content&#8221; full_screen_row_position=&#8221;middle&#8221; column_margin=&#8221;default&#8221; equal_height=&#8221;yes&#8221; content_placement=&#8221;top&#8221; column_direction=&#8221;default&#8221; column_direction_tablet=&#8221;default&#8221; column_direction_phone=&#8221;default&#8221; scene_position=&#8221;center&#8221; text_color=&#8221;dark&#8221; text_align=&#8221;left&#8221; row_border_radius=&#8221;none&#8221; row_border_radius_applies=&#8221;bg&#8221; overlay_strength=&#8221;0.3&#8243; gradient_direction=&#8221;left_to_right&#8221; shape_divider_position=&#8221;bottom&#8221; bg_image_animation=&#8221;none&#8221; shape_type=&#8221;&#8221;][vc_column column_padding=&#8221;padding-5-percent&#8221; column_padding_tablet=&#8221;inherit&#8221; column_padding_phone=&#8221;inherit&#8221; column_padding_position=&#8221;all&#8221; background_color=&#8221;#f3f3f3&#8243; background_color_opacity=&#8221;1&#8243; background_hover_color_opacity=&#8221;1&#8243; column_shadow=&#8221;none&#8221; column_border_radius=&#8221;none&#8221; column_link_target=&#8221;_self&#8221; gradient_direction=&#8221;left_to_right&#8221; overlay_strength=&#8221;0.3&#8243; width=&#8221;1\/3&#8243; tablet_width_inherit=&#8221;default&#8221; tablet_text_alignment=&#8221;default&#8221; phone_text_alignment=&#8221;default&#8221; column_border_width=&#8221;none&#8221; column_border_style=&#8221;solid&#8221; bg_image_animation=&#8221;none&#8221;][split_line_heading animation_type=&#8221;default&#8221;]<a href=\"#title1\">Productos Relacionados<\/a><\/p>\n<p><a href=\"#title2\">Estado<\/a><\/p>\n<p><a href=\"#title3\">S\u00edntomas<\/a><\/p>\n<p><a href=\"#title4\">Soluci\u00f3n<\/a>[\/split_line_heading][\/vc_column][vc_column column_padding=&#8221;padding-5-percent&#8221; column_padding_tablet=&#8221;inherit&#8221; column_padding_phone=&#8221;inherit&#8221; column_padding_position=&#8221;all&#8221; background_color_opacity=&#8221;1&#8243; background_hover_color_opacity=&#8221;1&#8243; column_shadow=&#8221;none&#8221; column_border_radius=&#8221;none&#8221; column_link_target=&#8221;_self&#8221; gradient_direction=&#8221;left_to_right&#8221; overlay_strength=&#8221;0.3&#8243; width=&#8221;2\/3&#8243; tablet_width_inherit=&#8221;default&#8221; tablet_text_alignment=&#8221;default&#8221; phone_text_alignment=&#8221;default&#8221; column_border_width=&#8221;none&#8221; column_border_style=&#8221;solid&#8221; bg_image_animation=&#8221;none&#8221;][vc_column_text]\n<h3>Pantallazo azul (BSOD) en servidores VPN causado por los controladores de interceptaci\u00f3n de red de la protecci\u00f3n de endpoints<\/h3>\n[\/vc_column_text][vc_column_text css=&#8221;.vc_custom_1704355393715{padding-top: 40px !important;padding-bottom: 20px !important;}&#8221;]\n<h6 id=\"title1\">Productos Relacionados_<\/h6>\n[\/vc_column_text][vc_column_text]\n<ul>\n<li>Advanced EPDR<\/li>\n<li>Advanced EDR<\/li>\n<\/ul>\n[\/vc_column_text][vc_column_text css=&#8221;.vc_custom_1704355407126{padding-top: 40px !important;padding-bottom: 20px !important;}&#8221;]\n<h6 id=\"title2\">Estado de la incidencia_<\/h6>\n[\/vc_column_text][vc_column_text]Resuelto en la versi\u00f3n de protecci\u00f3n 8.00.26.0001. Para versiones anteriores, aplica el hotfix disponible.[\/vc_column_text][vc_column_text css=&#8221;.vc_custom_1704356071204{padding-top: 40px !important;padding-bottom: 20px !important;}&#8221;]\n<h6 id=\"title3\">S\u00edntomas_<\/h6>\n[\/vc_column_text][vc_column_text]\n<div class=\"outputRichText\">\n<p>La gesti\u00f3n incorrecta de solicitudes FQDN que superan los 253 caracteres por parte de los controladores de interceptaci\u00f3n de la protecci\u00f3n de endpoints, como NNSSTRM.sys y NNSDNS.SYS, puede provocar pantallazos azules (BSOD) en servidores VPN.<\/p>\n<p>Versiones de protecci\u00f3n afectadas:<\/p>\n<ul>\n<li>v8.00.24.0000<\/li>\n<li>v8.00.24.0001<\/li>\n<li>v8.00.25.0001<\/li>\n<li>v8.00.25.0002<\/li>\n<\/ul>\n<p>Para saber la versi\u00f3n de tu producto, lee <a href=\"https:\/\/www.cytomic.ai\/es\/support\/id-700086\/\" target=\"_self\">este art\u00edculo<\/a>.<\/p>\n<p>&nbsp;<\/p>\n<\/div>\n[\/vc_column_text][vc_column_text css=&#8221;.vc_custom_1704356077858{padding-top: 40px !important;padding-bottom: 20px !important;}&#8221;]\n<h6 id=\"title4\">Soluci\u00f3n_<\/h6>\n[\/vc_column_text][vc_column_text]Hay disponible un hotfix para resolver este problema.<br \/>\nPara aplicar el hotfix en el endpoint afectado:<\/p>\n<ol>\n<li>Descarga y guarda este archivo de hotfix en el endpoint: <a href=\"https:\/\/www.pandasecurity.com\/resources\/sop\/pad\/hf-wgua6379-nnsdns-fqdnmax.exe\" target=\"_self\">hf-wgua6379-nnsdns-fqdnmax.exe<\/a><\/li>\n<li>Haz doble clic en el archivo descargado. El hotfix no requiere reiniciar el endpoint.<\/li>\n<\/ol>\n<p><strong>Nota<\/strong>: Para instalar la versi\u00f3n desatendida o silenciosa del hotfix, haz clic <a href=\"https:\/\/www.pandasecurity.com\/resources\/sop\/pad\/hfs-wgua6379-nnsdns-fqdnmax.exe\" target=\"_blank\" rel=\"noopener\">aqu\u00ed<\/a>. El hotfix se aplica tras el pr\u00f3ximo reinicio del sistema.<\/p>\n<p>El hotfix actualiza estos archivos:<\/p>\n<p>&nbsp;<\/p>\n<p><strong>Detalles del archivo\u00a0<\/strong><\/p>\n<p>El hotfix actualiza los siguientes archivos:<\/p>\n<table border=\"1\">\n<thead>\n<tr>\n<th colspan=\"1\" rowspan=\"1\">Nombre del archivo<\/th>\n<th colspan=\"1\" rowspan=\"1\">Ubicaci\u00f3n<\/th>\n<th colspan=\"1\" rowspan=\"1\">Versi\u00f3n del archivo<\/th>\n<th colspan=\"1\" rowspan=\"1\">Fecha de modificaci\u00f3n<\/th>\n<th colspan=\"1\" rowspan=\"1\">\u00bfEl hotfix se incluir\u00e1 en versiones futuras?<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">NNSDNS.sys<br \/>\n(v8.00.24.X)<\/td>\n<td colspan=\"1\" rowspan=\"1\">C:\\Windows\\System32\\Drivers\\NNSDNS.sys<\/td>\n<td colspan=\"1\" rowspan=\"1\">7.0.0.150<\/td>\n<td colspan=\"1\" rowspan=\"1\">23 de octubre de 2025<\/td>\n<td colspan=\"1\" rowspan=\"1\">S\u00ed<\/td>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">NNSDNS.sys<br \/>\n(v8.00.25.X)<\/td>\n<td colspan=\"1\" rowspan=\"1\">C:\\Windows\\System32\\Drivers\\NNSDNS.sys<\/td>\n<td colspan=\"1\" rowspan=\"1\">7.0.0.155<\/td>\n<td colspan=\"1\" rowspan=\"1\">23 de octubre de 2025<\/td>\n<td colspan=\"1\" rowspan=\"1\">S\u00ed<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Para verificar que el hotfix se ha aplicado correctamente, comprueba la versi\u00f3n del archivo en la secci\u00f3n Detalles del archivo o verifica estos valores en el Registro de Windows:<\/p>\n<table border=\"1\">\n<thead>\n<tr>\n<th colspan=\"2\" rowspan=\"1\">Arquitectura de 32 bits<\/th>\n<th colspan=\"2\" rowspan=\"1\">Arquitectura de 64 bits<\/th>\n<\/tr>\n<tr>\n<th colspan=\"1\" rowspan=\"1\">Clave del registro<\/th>\n<th colspan=\"1\" rowspan=\"1\">Valor<\/th>\n<th colspan=\"1\" rowspan=\"1\">Clave del registro<\/th>\n<th colspan=\"1\" rowspan=\"1\">Valor<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">HKEY_LOCAL_MACHINE\\SOFTWARE\\<br \/>\nPanda Software\\Setup\\Hotfix<br \/>\nhistory\\HF_NNSDNS_FQDNMax<\/td>\n<td colspan=\"1\" rowspan=\"1\">Revision<br \/>\n[REG_DWORD]\n1<\/td>\n<td colspan=\"1\" rowspan=\"1\">HKEY_LOCAL_MACHINE\\SOFTWARE\\<br \/>\nWOW6432Node\\Panda<br \/>\nSoftware\\Setup\\Hotfix<br \/>\nhistory\\HF_NNSDNS_FQDNMax<\/td>\n<td colspan=\"1\" rowspan=\"1\">Revision<br \/>\n[REG_DWORD]\n1<\/td>\n<\/tr>\n<tr>\n<td colspan=\"1\" rowspan=\"1\">HKEY_LOCAL_MACHINE\\SOFTWARE\\<br \/>\nPanda Software\\Setup\\Hotfix<br \/>\nhistory\\HF_NNSDNS_FQDNMax<\/td>\n<td colspan=\"1\" rowspan=\"1\">Result<br \/>\n[REG_DWORD]\n0 = Success<br \/>\n1 = Not Applied<br \/>\n2 = Error<\/td>\n<td colspan=\"1\" rowspan=\"1\">HKEY_LOCAL_MACHINE\\SOFTWARE\\<br \/>\nWOW6432Node\\Panda<br \/>\nSoftware\\Setup\\Hotfix<br \/>\nhistory\\HF_NNSDNS_FQDNMax<\/td>\n<td colspan=\"1\" rowspan=\"1\">Result<br \/>\n[REG_DWORD]\n0 = Success<br \/>\n1 = Not Applied<br \/>\n2 = Error<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n[\/vc_column_text][\/vc_column][\/vc_row]\n","protected":false},"excerpt":{"rendered":"<p>[vc_row type=&#8221;full_width_content&#8221; 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