{"id":1580,"date":"2025-12-28T22:30:00","date_gmt":"2025-12-28T22:30:00","guid":{"rendered":"https:\/\/black.host\/hc\/?p=1580"},"modified":"2025-12-28T22:39:17","modified_gmt":"2025-12-28T22:39:17","slug":"cant-connect-to-download-configserver-com","status":"publish","type":"post","link":"https:\/\/black.host\/hc\/security\/csf\/cant-connect-to-download-configserver-com\/","title":{"rendered":"Can&#8217;t connect to download.configserver.com\u00a0"},"content":{"rendered":"\n<p>In August 2025, Way to the Web Ltd. the company behind Config Server Security &amp; Firewall (CSF) <a href=\"https:\/\/web.archive.org\/web\/20250829171557\/https:\/\/configserver.com\/announcement\/\" target=\"_blank\" rel=\"noreferrer noopener\">announced<\/a> that it will close permanently. So at the beginning of September their whole infrastructure was taken down permanently, causing errors like this to pop up once a day when CSF is trying to perform automatic update:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code class=\"\">Cron \/usr\/sbin\/csf -u\nOops: Unable to download: Can't connect to download2.configserver.com:443 (Name or service not known)<a href=\"https:\/\/black.host\/bh_staff\/supportticketsprint.php?id=392619\" target=\"_blank\" rel=\"noreferrer noopener\"><\/a><\/code><\/pre>\n\n\n\n<p>An annoying error per se, but the real danger is not in its annoyance but in operating an outdated firewall software, exposing you and your clients to the dangers of the open internet.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-how-to-fix-it\">How to fix it? <\/h2>\n\n\n\n<p>For the time being many web panel and hosting providers are finding a solution in disabling the automatic updates, which removes the annoyance however does not solve the real problem. Luckily before shutting down CSF source code was released under the GPL-3.0 license allowing us and many developers to continue their legacy. And we did, by creating a community driven fork of <a href=\"https:\/\/github.com\/Black-HOST\/csf\">CSF<\/a>.<\/p>\n\n\n\n<p>So all that needs to be done is to switch to this new CSF fork, and this can be done by running the following one-liner on your server: <\/p>\n\n\n\n<pre class=\"wp-block-code\"><code lang=\"bash\" class=\"language-bash\">echo \"download.black.host\" > \/etc\/csf\/downloadservers<\/code><\/pre>\n\n\n\n<p>This will modify CSF&#8217;s configuration to use the <a href=\"https:\/\/github.com\/Black-HOST\/csf\/releases\">latest release<\/a> published in the open sourced fork of CSF maintained by us, and on the next cron run CSF will update itself (provided <strong>AUTO_UPDATES = 1<\/strong> is set) but if you&#8217;re in a hurry and wish to get this thing resolved once and for all you can start the upgrade process manually by running: <code>csf -u<\/code> and this will complete the whole process.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In August 2025, Way to the Web Ltd. the company behind Config Server Security &amp; Firewall (CSF) announced that it will close permanently. So at the beginning of September their whole infrastructure was taken down permanently, causing errors like this to pop up once a day when CSF is trying to perform automatic update: An [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":1630,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"categories":[159,294],"tags":[],"class_list":["post-1580","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cpanel-whm","category-csf"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.2 (Yoast SEO v27.2) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>CSF: Can&#039;t connect to download.configserver.com<\/title>\n<meta name=\"description\" content=\"Learn how you can fix this annoying message by switching to well maintained and binary compatible fork of CSF.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/black.host\/hc\/security\/csf\/cant-connect-to-download-configserver-com\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Can&#039;t connect to download.configserver.com\u00a0\" \/>\n<meta property=\"og:description\" content=\"Learn how you can fix this annoying message by switching to well maintained and binary compatible fork of CSF.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/black.host\/hc\/security\/csf\/cant-connect-to-download-configserver-com\/\" \/>\n<meta property=\"og:site_name\" content=\"Knowledge Base | BlackHOST\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/BlackH0ST\/\" \/>\n<meta property=\"article:published_time\" content=\"2025-12-28T22:30:00+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-12-28T22:39:17+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/black.host\/hc\/wp-content\/uploads\/sites\/3\/2025\/12\/1580.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1200\" \/>\n\t<meta property=\"og:image:height\" content=\"675\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Thomas Nuchatel\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@_blackhost\" \/>\n<meta name=\"twitter:site\" content=\"@_blackhost\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Thomas Nuchatel\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/black.host\/hc\/security\/csf\/cant-connect-to-download-configserver-com\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/black.host\/hc\/security\/csf\/cant-connect-to-download-configserver-com\/\"},\"author\":{\"name\":\"Thomas Nuchatel\",\"@id\":\"https:\/\/black.host\/hc\/#\/schema\/person\/a9f685da3ffad63071d6e4173555e1a0\"},\"headline\":\"Can&#8217;t connect to download.configserver.com\u00a0\",\"datePublished\":\"2025-12-28T22:30:00+00:00\",\"dateModified\":\"2025-12-28T22:39:17+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/black.host\/hc\/security\/csf\/cant-connect-to-download-configserver-com\/\"},\"wordCount\":259,\"publisher\":{\"@id\":\"https:\/\/black.host\/hc\/#organization\"},\"image\":{\"@id\":\"https:\/\/black.host\/hc\/security\/csf\/cant-connect-to-download-configserver-com\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/black.host\/hc\/wp-content\/uploads\/sites\/3\/2025\/12\/1580.jpg\",\"articleSection\":[\"cPanel\/WHM\",\"csf\"],\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/black.host\/hc\/security\/csf\/cant-connect-to-download-configserver-com\/\",\"url\":\"https:\/\/black.host\/hc\/security\/csf\/cant-connect-to-download-configserver-com\/\",\"name\":\"CSF: Can't connect to download.configserver.com\",\"isPartOf\":{\"@id\":\"https:\/\/black.host\/hc\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/black.host\/hc\/security\/csf\/cant-connect-to-download-configserver-com\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/black.host\/hc\/security\/csf\/cant-connect-to-download-configserver-com\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/black.host\/hc\/wp-content\/uploads\/sites\/3\/2025\/12\/1580.jpg\",\"datePublished\":\"2025-12-28T22:30:00+00:00\",\"dateModified\":\"2025-12-28T22:39:17+00:00\",\"description\":\"Learn how you can fix this annoying message by switching to well maintained and binary compatible fork of CSF.\",\"breadcrumb\":{\"@id\":\"https:\/\/black.host\/hc\/security\/csf\/cant-connect-to-download-configserver-com\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/black.host\/hc\/security\/csf\/cant-connect-to-download-configserver-com\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/black.host\/hc\/security\/csf\/cant-connect-to-download-configserver-com\/#primaryimage\",\"url\":\"https:\/\/black.host\/hc\/wp-content\/uploads\/sites\/3\/2025\/12\/1580.jpg\",\"contentUrl\":\"https:\/\/black.host\/hc\/wp-content\/uploads\/sites\/3\/2025\/12\/1580.jpg\",\"width\":1200,\"height\":675},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/black.host\/hc\/security\/csf\/cant-connect-to-download-configserver-com\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/black.host\/hc\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Can&#8217;t connect to download.configserver.com\u00a0\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/black.host\/hc\/#website\",\"url\":\"https:\/\/black.host\/hc\/\",\"name\":\"Knowledge Base | BlackHOST\",\"description\":\"Knowledge Base\",\"publisher\":{\"@id\":\"https:\/\/black.host\/hc\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/black.host\/hc\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/black.host\/hc\/#organization\",\"name\":\"BlackHOST\",\"url\":\"https:\/\/black.host\/hc\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/black.host\/hc\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/black.host\/hc\/wp-content\/uploads\/sites\/3\/2020\/05\/text.png\",\"contentUrl\":\"https:\/\/black.host\/hc\/wp-content\/uploads\/sites\/3\/2020\/05\/text.png\",\"width\":1200,\"height\":143,\"caption\":\"BlackHOST\"},\"image\":{\"@id\":\"https:\/\/black.host\/hc\/#\/schema\/logo\/image\/\"},\"sameAs\":[\"https:\/\/www.facebook.com\/BlackH0ST\/\",\"https:\/\/x.com\/_blackhost\",\"https:\/\/www.youtube.com\/c\/BlackHOST\",\"https:\/\/www.linkedin.com\/company\/blackhost\",\"https:\/\/www.instagram.com\/_blackhost\/\",\"https:\/\/ch.pinterest.com\/BlackH0ST\/\",\"https:\/\/mastodon.social\/@blackhost\",\"https:\/\/primal.net\/BlackHOST\"]},{\"@type\":\"Person\",\"@id\":\"https:\/\/black.host\/hc\/#\/schema\/person\/a9f685da3ffad63071d6e4173555e1a0\",\"name\":\"Thomas Nuchatel\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/secure.gravatar.com\/avatar\/56ccd114c4d0553e66448d4423073e3c9b336a6cbedce70e926d3404837f3255?s=96&r=g\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/56ccd114c4d0553e66448d4423073e3c9b336a6cbedce70e926d3404837f3255?s=96&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/56ccd114c4d0553e66448d4423073e3c9b336a6cbedce70e926d3404837f3255?s=96&r=g\",\"caption\":\"Thomas Nuchatel\"},\"sameAs\":[\"https:\/\/black.host\"]}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"CSF: Can't connect to download.configserver.com","description":"Learn how you can fix this annoying message by switching to well maintained and binary compatible fork of CSF.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/black.host\/hc\/security\/csf\/cant-connect-to-download-configserver-com\/","og_locale":"en_US","og_type":"article","og_title":"Can't connect to download.configserver.com\u00a0","og_description":"Learn how you can fix this annoying message by switching to well maintained and binary compatible fork of CSF.","og_url":"https:\/\/black.host\/hc\/security\/csf\/cant-connect-to-download-configserver-com\/","og_site_name":"Knowledge Base | BlackHOST","article_publisher":"https:\/\/www.facebook.com\/BlackH0ST\/","article_published_time":"2025-12-28T22:30:00+00:00","article_modified_time":"2025-12-28T22:39:17+00:00","og_image":[{"width":1200,"height":675,"url":"https:\/\/black.host\/hc\/wp-content\/uploads\/sites\/3\/2025\/12\/1580.jpg","type":"image\/jpeg"}],"author":"Thomas Nuchatel","twitter_card":"summary_large_image","twitter_creator":"@_blackhost","twitter_site":"@_blackhost","twitter_misc":{"Written by":"Thomas Nuchatel","Est. reading time":"2 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/black.host\/hc\/security\/csf\/cant-connect-to-download-configserver-com\/#article","isPartOf":{"@id":"https:\/\/black.host\/hc\/security\/csf\/cant-connect-to-download-configserver-com\/"},"author":{"name":"Thomas Nuchatel","@id":"https:\/\/black.host\/hc\/#\/schema\/person\/a9f685da3ffad63071d6e4173555e1a0"},"headline":"Can&#8217;t connect to download.configserver.com\u00a0","datePublished":"2025-12-28T22:30:00+00:00","dateModified":"2025-12-28T22:39:17+00:00","mainEntityOfPage":{"@id":"https:\/\/black.host\/hc\/security\/csf\/cant-connect-to-download-configserver-com\/"},"wordCount":259,"publisher":{"@id":"https:\/\/black.host\/hc\/#organization"},"image":{"@id":"https:\/\/black.host\/hc\/security\/csf\/cant-connect-to-download-configserver-com\/#primaryimage"},"thumbnailUrl":"https:\/\/black.host\/hc\/wp-content\/uploads\/sites\/3\/2025\/12\/1580.jpg","articleSection":["cPanel\/WHM","csf"],"inLanguage":"en-US"},{"@type":"WebPage","@id":"https:\/\/black.host\/hc\/security\/csf\/cant-connect-to-download-configserver-com\/","url":"https:\/\/black.host\/hc\/security\/csf\/cant-connect-to-download-configserver-com\/","name":"CSF: Can't connect to download.configserver.com","isPartOf":{"@id":"https:\/\/black.host\/hc\/#website"},"primaryImageOfPage":{"@id":"https:\/\/black.host\/hc\/security\/csf\/cant-connect-to-download-configserver-com\/#primaryimage"},"image":{"@id":"https:\/\/black.host\/hc\/security\/csf\/cant-connect-to-download-configserver-com\/#primaryimage"},"thumbnailUrl":"https:\/\/black.host\/hc\/wp-content\/uploads\/sites\/3\/2025\/12\/1580.jpg","datePublished":"2025-12-28T22:30:00+00:00","dateModified":"2025-12-28T22:39:17+00:00","description":"Learn how you can fix this annoying message by switching to well maintained and binary compatible fork of CSF.","breadcrumb":{"@id":"https:\/\/black.host\/hc\/security\/csf\/cant-connect-to-download-configserver-com\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/black.host\/hc\/security\/csf\/cant-connect-to-download-configserver-com\/"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/black.host\/hc\/security\/csf\/cant-connect-to-download-configserver-com\/#primaryimage","url":"https:\/\/black.host\/hc\/wp-content\/uploads\/sites\/3\/2025\/12\/1580.jpg","contentUrl":"https:\/\/black.host\/hc\/wp-content\/uploads\/sites\/3\/2025\/12\/1580.jpg","width":1200,"height":675},{"@type":"BreadcrumbList","@id":"https:\/\/black.host\/hc\/security\/csf\/cant-connect-to-download-configserver-com\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/black.host\/hc\/"},{"@type":"ListItem","position":2,"name":"Can&#8217;t connect to download.configserver.com\u00a0"}]},{"@type":"WebSite","@id":"https:\/\/black.host\/hc\/#website","url":"https:\/\/black.host\/hc\/","name":"Knowledge Base | BlackHOST","description":"Knowledge Base","publisher":{"@id":"https:\/\/black.host\/hc\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/black.host\/hc\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"},{"@type":"Organization","@id":"https:\/\/black.host\/hc\/#organization","name":"BlackHOST","url":"https:\/\/black.host\/hc\/","logo":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/black.host\/hc\/#\/schema\/logo\/image\/","url":"https:\/\/black.host\/hc\/wp-content\/uploads\/sites\/3\/2020\/05\/text.png","contentUrl":"https:\/\/black.host\/hc\/wp-content\/uploads\/sites\/3\/2020\/05\/text.png","width":1200,"height":143,"caption":"BlackHOST"},"image":{"@id":"https:\/\/black.host\/hc\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/www.facebook.com\/BlackH0ST\/","https:\/\/x.com\/_blackhost","https:\/\/www.youtube.com\/c\/BlackHOST","https:\/\/www.linkedin.com\/company\/blackhost","https:\/\/www.instagram.com\/_blackhost\/","https:\/\/ch.pinterest.com\/BlackH0ST\/","https:\/\/mastodon.social\/@blackhost","https:\/\/primal.net\/BlackHOST"]},{"@type":"Person","@id":"https:\/\/black.host\/hc\/#\/schema\/person\/a9f685da3ffad63071d6e4173555e1a0","name":"Thomas Nuchatel","image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/secure.gravatar.com\/avatar\/56ccd114c4d0553e66448d4423073e3c9b336a6cbedce70e926d3404837f3255?s=96&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/56ccd114c4d0553e66448d4423073e3c9b336a6cbedce70e926d3404837f3255?s=96&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/56ccd114c4d0553e66448d4423073e3c9b336a6cbedce70e926d3404837f3255?s=96&r=g","caption":"Thomas Nuchatel"},"sameAs":["https:\/\/black.host"]}]}},"acf":[],"lang":"en","translations":{"en":1580},"amp_enabled":true,"pll_sync_post":[],"_links":{"self":[{"href":"https:\/\/black.host\/hc\/wp-json\/wp\/v2\/posts\/1580","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/black.host\/hc\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/black.host\/hc\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/black.host\/hc\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/black.host\/hc\/wp-json\/wp\/v2\/comments?post=1580"}],"version-history":[{"count":5,"href":"https:\/\/black.host\/hc\/wp-json\/wp\/v2\/posts\/1580\/revisions"}],"predecessor-version":[{"id":1629,"href":"https:\/\/black.host\/hc\/wp-json\/wp\/v2\/posts\/1580\/revisions\/1629"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/black.host\/hc\/wp-json\/wp\/v2\/media\/1630"}],"wp:attachment":[{"href":"https:\/\/black.host\/hc\/wp-json\/wp\/v2\/media?parent=1580"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/black.host\/hc\/wp-json\/wp\/v2\/categories?post=1580"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/black.host\/hc\/wp-json\/wp\/v2\/tags?post=1580"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}