{"id":25692,"date":"2019-09-03T01:31:22","date_gmt":"2019-09-02T23:31:22","guid":{"rendered":"https:\/\/kinsta.com\/?post_type=knowledgebase&#038;p=47665"},"modified":"2025-10-01T21:51:41","modified_gmt":"2025-10-01T19:51:41","slug":"sorry-this-file-type-is-not-permitted-for-security-reasons","status":"publish","type":"post","link":"https:\/\/kinsta.com\/nl\/blog\/sorry-this-file-type-is-not-permitted-for-security-reasons\/","title":{"rendered":"De foutmelding \u201cSorry, This File Type Is Not Permitted for Security Reasons\u201d oplossen"},"content":{"rendered":"<p>Probeer je\u00a0een bestand naar je WordPress-mediabibliotheek te uploaden\u00a0en krijg je de melding &#8220;Sorry, dit bestandstype is om veiligheidsredenen niet toegestaan&#8221; of &#8220;[bestandsnaam] upload mislukt&#8221;?<\/p>\n<p>Zoals het bericht al aangeeft, om veiligheidsredenen beperkt WordPress het type bestanden dat je naar je site kunt uploaden. Door een klein codefragment toe te voegen aan het <strong>wp-config.php<\/strong>-bestand van de site of door een gratis plugin te gebruiken, kun je de lijst met toegestane bestandstypen handmatig uitbreiden, zodat je elk type bestand kunt uploaden.<\/p>\n<p>In dit artikel gaan we in op het volgende:<\/p>\n<ul>\n<li><a href=\"#what\">Het bericht &#8216;Sorry, dit bestandstype is om veiligheidsredenen niet toegestaan&#8217;<\/a><\/li>\n<li><a href=\"#how\">Oplossen van WordPress-fout \u201cSorry, dit bestandstype is om veiligheidsredenen niet toegestaan\u201d<\/a><\/li>\n<\/ul>\n<h2 id=\"what\">Wat veroorzaakt het bericht &#8220;Sorry, dit bestandstype is om veiligheidsredenen niet toegestaan&#8221;?<\/h2>\n<figure style=\"width: 1563px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kinsta.com\/nl\/wp-content\/uploads\/sites\/7\/2019\/06\/file-type-not-permitted-security-reasons-foutmelding.png\" alt=\"Meer over het bericht 'Sorry, dit bestandstype is om veiligheidsredenen niet toegestaan'\" width=\"1563\" height=\"148\"><figcaption class=\"wp-caption-text\">Meer over het bericht &#8216;Sorry, dit bestandstype is om veiligheidsredenen niet toegestaan&#8217;<\/figcaption><\/figure>\n<p>Zoals we hierboven hebben uitgelegd, om veiligheidsredenen beperkt de standaardconfiguratie van WordPress het type bestanden dat je naar je site kunt uploaden.<\/p>\n\n<div  class=\"featured-snippet\" id=\"featuredSnippet\">\n    <div class=\"featured-snippet__content\">\n        <h2>Het foutbericht &#039;Sorry, dit bestandstype is om veiligheidsredenen niet toegestaan&#039; in WordPress:<\/h2>\n        <div><p>Je krijgt het foutbericht &#8216;Sorry, dit bestandstype is om veiligheidsredenen niet toegestaan&#8217; wanneer je probeert een bestandstype te uploaden dat standaard niet door WordPress wordt ondersteund.<\/p>\n<p>WordPress beperkt om veiligheidsredenen het bestandstype dat je kunt uploaden via de beheerder van je site \u2014 afbeeldingen, video&#8217;s, documenten, audio \u2014.<\/p>\n<\/div>\n    <\/div>\n    <div class=\"featured-snippet__footer\">\n        <div class=\"arrow-down\"><\/div>\n        <div class=\"featured-snippet__footer--content row nocol middle-xs between-xs reverse\">\n            <div style=\"margin-left: auto; position: relative; top: -1px\" class=\"row nocol middle-xs\">\n                <div class=\"color--mediumGray\" style=\"font-size: 14px; vertical-align: middle;\">\n                    <svg  class=\"icon icon--logo display--block\" aria-hidden=\"true\" focusable=\"false\"><use xlink:href=\"https:\/\/kinsta.com\/nl\/wp-content\/themes\/kinsta\/dist\/sprite.svg?v=e8af2143e3b8bceb5561b327e81ec085#logo\" \/><\/svg>                <\/div>\n                <div class=\"text--bold color--mediumGray\" style=\"padding-left: 3px;\">Support<\/div>\n            <\/div>\n        <\/div>\n    <\/div>\n<\/div>\n\n<p>Bestandstypen die je standaard kunt uploaden:<\/p>\n<p><strong>Afbeeldingen:<\/strong><\/p>\n<ul>\n<li>.jpg<\/li>\n<li>.jpeg<\/li>\n<li>.png<\/li>\n<li>.gif<\/li>\n<li>.ico<\/li>\n<\/ul>\n<p>(Voorgesteld lezen: <a href=\"https:\/\/kinsta.com\/nl\/blog\/jpg-vs-jpeg\/\" target=\"_blank\" rel=\"noopener noreferrer\">JPG vs JPEG: Understanding the Most Common Image File Format<\/a>)<br \/>\n<strong>Videos<\/strong>:<\/p>\n<ul>\n<li>.mp4<\/li>\n<li>.m4v<\/li>\n<li>.mov<\/li>\n<li>.wmv<\/li>\n<li>.avi<\/li>\n<li>.mpg<\/li>\n<li>.ogv<\/li>\n<li>.3gp<\/li>\n<li>.3g2<\/li>\n<\/ul>\n<p><strong>Documents<\/strong>:<\/p>\n<ul>\n<li>.pdf<\/li>\n<li>.doc<\/li>\n<li>.ppt, .pptx, .pps, .ppsx<\/li>\n<li>.odt<\/li>\n<li>.xls, .xlsx<\/li>\n<li>.psd<\/li>\n<\/ul>\n<p><strong>Audio<\/strong>:<\/p>\n<ul>\n<li>.mp3<\/li>\n<li>.m4a<\/li>\n<li>.ogg<\/li>\n<li>.wav<\/li>\n<\/ul>\n<p>Als je probeert een bestandstype te uploaden dat niet in bovenstaande lijst voorkomt, kom je waarschijnlijk de foutmelding &#8216;Sorry, dit bestandstype is om veiligheidsredenen niet toegestaan&#8217; tegen. Het zou eventueel ook deze melding kunnen geven: &#8220;[bestandsnaam] upload mislukt&#8221;.<\/p>\n\n<p>Als je bijvoorbeeld je eigen aangepaste lettertypen op de WordPress-site probeert te gebruiken, gaat het waarschijnlijk om <a href=\"https:\/\/kinsta.com\/blog\/local-fonts\/\" target=\"_blank\" rel=\"noopener noreferrer\">een aangepast lettertypebestand te uploaden naar WordPress<\/a> in de indelingen <strong>.tff <\/strong>en\/of <strong>.woff<\/strong> . Omdat deze indelingen standaard niet zijn toegestaan, kun je ze niet uploaden en in plaats daarvan wordt in WordPress de foutmelding &#8216;Sorry, dit bestandstype is om veiligheidsredenen niet toegestaan&#8217; weergegeven.<\/p>\n<p>Hier is een voorbeeld waarbij we probeerden een<strong> .woff<\/strong>\u2013bestand naar onze testsite te uploaden:<\/p>\n<figure style=\"width: 1881px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kinsta.com\/nl\/wp-content\/uploads\/sites\/7\/2019\/06\/uploaden-van-een-woff-bestand-activeert-het-bericht.png\" alt=\"Het uploaden van een .woff-bestand activeert het bericht\" width=\"1881\" height=\"858\"><figcaption class=\"wp-caption-text\">Het uploaden van een .woff-bestand activeert het bericht<\/figcaption><\/figure>\n<h2 id=\"how\">Oplossen van WordPress-fout \u201cSorry, dit bestandstype is om veiligheidsredenen niet toegestaan\u201d<\/h2>\n<p>Hieronder laten we je twee manieren zien van hoe je de fout &#8216;Sorry, dit bestandstype is om veiligheidsredenen niet toegestaan&#8217; in WordPress kunt oplossen:<\/p>\n<ol>\n<li>Door het <strong>wp-config.php<\/strong>-bestand van de site te bewerken<\/li>\n<li>Door een WordPress plugin gebruiken<\/li>\n<\/ol>\n<h3>1. Voeg nieuwe toegestane bestandstypen toe met behulp van wp-config.php<\/h3>\n<p>WordPress bevat een <strong>ALLOW_UNFILTERED_UPLOADS<\/strong>\u2013optie die je kunt inschakelen in <a href=\"https:\/\/kinsta.com\/nl\/blog\/wp-config-php\/\" target=\"_blank\" rel=\"noopener noreferrer\">het wp-config.php-bestand van de site<\/a>. Eenmaal ingeschakeld, kun je elk bestandstype uploaden naar je WordPress-mediabibliotheek.<\/p>\n<p>Voordat we je laten zien hoe je dit doet, raden we je eerst aan een back-up van de site te maken voordat je doorgaat. Je gaat namelijk het\u00a0\u00a0 <strong>wp-config.php<\/strong>-bestand bewerken.<\/p>\n<p>Maak eerst <a href=\"https:\/\/kinsta.com\/nl\/blog\/zo-gebruik-je-sftp\/\" target=\"_blank\" rel=\"noopener noreferrer\">verbinding met je WordPress-site via FTP\/SFTP<\/a>. Het <strong>wp-config.php<\/strong>-bestand van je site bevindt zich in de hoofdmap. In dit bestand bevinden zich ook de mappen <strong>wp-admin <\/strong>en <strong>wp-includes<\/strong>.<\/p>\n<p>Klik met de rechtermuisknop om het bestand te bewerken of download het naar je computer:<\/p>\n<figure style=\"width: 1640px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kinsta.com\/nl\/wp-content\/uploads\/sites\/7\/2019\/06\/wp-config-php-bestand-bewerken.png\" alt=\"wp-config.php-bestand bewerken\" width=\"1640\" height=\"806\"><figcaption class=\"wp-caption-text\">wp-config.php-bestand bewerken<\/figcaption><\/figure>\n<p>Voeg vervolgens tijdens het bewerken van het <strong>wp-config.php<\/strong>-bestand, net boven de zin<strong> \/ * <\/strong><strong>That\u2019s all, stop editing! Happy blogging<\/strong><strong>. * \/, <\/strong>de volgende regel in: <strong>\u00a0<\/strong><\/p>\n<p><code>define('ALLOW_UNFILTERED_UPLOADS', true);<\/code><\/p>\n<figure style=\"width: 1560px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kinsta.com\/nl\/wp-content\/uploads\/sites\/7\/2019\/06\/hier-voeg-je-de-code-aan-je-wp-config-php-bestand.png\" alt=\"Hier voeg je de code aan je wp-config.php-bestand\" width=\"1560\" height=\"909\"><figcaption class=\"wp-caption-text\">Hier voeg je de code aan je wp-config.php-bestand<\/figcaption><\/figure>\n<p>Zorg ervoor dat je de wijzigingen opslaat en het bestand, indien nodig opnieuw uploadt.<\/p>\n<p>Om het proces te voltooien, moet je naar je WordPress-dashboard gaan en bij je WordPress-account uitloggen. Vervolgens kun je meteen weer inloggen.<\/p>\n<p>Nadat je bent uitgelogd en weer ingelogd, zou je elk bestand moeten kunnen uploaden zonder het foutbericht te activeren:<\/p>\n<figure style=\"width: 1576px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kinsta.com\/nl\/wp-content\/uploads\/sites\/7\/2019\/06\/succesvol-uploaden-van-een-woff-bestand.png\" alt=\"Succesvol uploaden van een .woff-bestand\" width=\"1576\" height=\"796\"><figcaption class=\"wp-caption-text\">Succesvol uploaden van een .woff-bestand<\/figcaption><\/figure>\n<h3>2. Gebruik de gratis plugin WP Extra File Types<\/h3>\n<p>Als je de <strong>wp-config.php<\/strong>-bestand liever niet wilt bewerken of als je meer controle wilt over welke bestandstypen naar je site kunnen worden ge\u00fcpload, kun je <a href=\"https:\/\/wordpress.org\/plugins\/wp-extra-file-types\/\" target=\"_blank\" rel=\"noopener noreferrer\">de gratis plugin WP Extra File Types op WordPress.org<\/a> gebruiken.<\/p>\n<p>Nadat je de plugin hebt ge\u00efnstalleerd en geactiveerd, ga je naar <strong>Settings \u2192 Extra File Types<\/strong> in je WordPress-dashboard.<\/p>\n<p>Daar zie je een lange lijst met bestandstypen. Vink het vakje aan naast de bestandstypen die je wilt kunnen uploaden en klik vervolgens op <strong>Save Changes<\/strong> onderaan:<\/p>\n<figure style=\"width: 1763px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kinsta.com\/nl\/wp-content\/uploads\/sites\/7\/2019\/06\/bestandstypen-toestaan-in-de-instellingen-van-de-plug-in.png\" alt=\"Bestandstypen toestaan in de instellingen van de plugin\" width=\"1763\" height=\"1332\"><figcaption class=\"wp-caption-text\">Bestandstypen toestaan in de instellingen van de plugin<\/figcaption><\/figure>\n<p>Als je het bestandstype dat je wilt uploaden niet in de lijst ziet, kun je ook je eigen aangepaste bestandstypen toevoegen onderaan de instellingenlijst van de plugin:<\/p>\n<figure style=\"width: 1736px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kinsta.com\/nl\/wp-content\/uploads\/sites\/7\/2019\/06\/eigen-aangepaste-bestandstype-toevoegen.png\" alt=\"Je eigen aangepaste bestandstype toevoegen\" width=\"1736\" height=\"986\"><figcaption class=\"wp-caption-text\">Je eigen aangepaste bestandstype toevoegen<\/figcaption><\/figure>\n<h3>Alternatieve plugins<\/h3>\n<p>In sommige gevallen zijn er mogelijk betere alternatieve plugins om specifieke bestandstypen in te schakelen. In onze tutorial <a href=\"https:\/\/kinsta.com\/blog\/what-is-an-svg-file\/\" target=\"_blank\" rel=\"noopener noreferrer\">over het inschakelen van SVG&#8217;s in WordPress<\/a> raden we bijvoorbeeld de gratis Safe SVG plugin aan. Dit maakt niet alleen het SVG-bestandstype in de WordPress-mediabibliotheek mogelijk, maar schoont ze ook bij het uploaden op.<\/p>\n<h2>Samenvatting<\/h2>\n<p>Om veiligheidsredenen beperkt WordPress standaard de bestandstypen die je naar je site kunt uploaden. Als je probeert een bestandstype buiten deze lijst met standaardbestandstypen te uploaden, wordt het bericht &#8216;Sorry, dit bestandstype is om veiligheidsredenen niet toegestaan&#8217; weergegeven.<\/p>\n<p>Een manier om het probleem op te lossen, is door de <strong>wp-config.php<\/strong>-bestand te bewerken en het<strong> ALLOW_UNFILTERED_UPLOADS codefragment <\/strong>toe te voegen om ongefilterde uploads toe te staan. Je kunt ook de <a href=\"https:\/\/wordpress.org\/plugins\/wp-extra-file-types\/\" target=\"_blank\" rel=\"noopener noreferrer\">gratis plugin WP Extra File Types<\/a> gebruiken om toegestane bestandstypen te bedienen vanaf de WordPress-dashboard.<\/p>\n<p>Als je ten slotte, nadat je nieuwe bestandstypen hebt toegestaan, het bestand nog steeds niet kunt uploaden vanwege de grootte, kun je onze aanvullende handleidingen raadplegen over:<\/p>\n<ul>\n<li><a href=\"https:\/\/kinsta.com\/nl\/blog\/verhoog-maximale-uploadgrootte-wordpress\/\">De maximale bestandsgrootte-upload van WordPress vergroten<\/a><\/li>\n<li><a href=\"https:\/\/kinsta.com\/nl\/blog\/the-uploaded-file-exceeds-the-upload_max_filesize-directive-in-php-ini\/\">De fout \u201cthe uploaded file exceeds the upload_max_filesize directive in php.ini\u201c oplossen<\/a><\/li>\n<\/ul>\n<p>En vergeet niet dat je het bestand, indien nodig ook <a href=\"https:\/\/kinsta.com\/nl\/blog\/zo-gebruik-je-sftp\/\" target=\"_blank\" rel=\"noopener noreferrer\">via SFTP kunt uploaden<\/a> .<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Probeer je\u00a0een bestand naar je WordPress-mediabibliotheek te uploaden\u00a0en krijg je de melding &#8220;Sorry, dit bestandstype is om veiligheidsredenen niet toegestaan&#8221; of &#8220;[bestandsnaam] upload mislukt&#8221;? Zoals het &#8230;<\/p>\n","protected":false},"author":103,"featured_media":25701,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_kinsta_gated_content":false,"_kinsta_gated_content_redirect":"","footnotes":""},"tags":[29,28],"topic":[887,896],"class_list":["post-25692","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","tag-webdev","tag-wordpress","topic-website-fouten","topic-wordpress-problemen"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v24.6 (Yoast SEO v24.6) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Oplossen: \u201cSorry, This File Type Is Not Permitted for Security Reasons\u201d<\/title>\n<meta name=\"description\" content=\"Leer twee makkelijke manieren om de volgende WordPress foutmelding op te lossen: \u201cSorry, This File Type Is Not Permitted for Security Reasons\u201d.\" \/>\n<meta name=\"robots\" content=\"index, follow, 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