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Customer Care Specialist bei cyon. Die Nachricht wirkt bedrohlich: Da steht die eigene Domain, eine bekannte E-Mail-Adresse, vielleicht sogar ein Ablaufdatum. Alles klingt echt. Entsprechend gross ist die Unsicherheit. In solchen Situationen weisst du vielleicht nicht, wie du die […]\u003C\u002Fp>\n",{"node":368},{"sourceUrl":369},"https:\u002F\u002Fblog.cyon.ch\u002Fwp-content\u002Fuploads\u002F2026\u002F03\u002Fphishing-angriffe.png",{"opengraphImage":371},{"mediaItemUrl":372},"https:\u002F\u002Fblog.cyon.ch\u002Fwp-content\u002Fuploads\u002F2026\u002F03\u002Fphishing-angriffe-fb-li.jpg",{"node":374},{"id":375,"name":376,"email":377,"avatar":378},"dXNlcjozNw==","Svetlana Marchenko","sma@cyon.ch",{"url":379,"height":380,"width":380},"https:\u002F\u002Fsecure.gravatar.com\u002Favatar\u002Fa996559fe3a54e54474180cf9fd6292eb26e2bc18f22d8a3039785e3cdd14b53?s=96&d=mm&r=g",96,"2026-03-19T14:00:14","cG9zdDoyMjU0OQ==",{"title":384,"commentCount":385,"categories":386,"slug":392,"excerpt":393,"featuredImage":394,"seo":397,"author":400,"date":407,"id":408},"Welche Domains bei cyon am häufigsten registriert werden?",2,{"nodes":387},[388,389],{"id":362,"name":327},{"id":390,"name":391},"dGVybTo2NzAy","Neuigkeiten","cyon-domain-rangliste","\u003Cp>Die Wahl der passenden Domain-Endung ist ein zentraler Schritt für jede Website. Sie prägt, wie dein Projekt wahrgenommen wird, welche Zielgruppe du erreichst und wie klar dein Auftritt positioniert ist. 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Damit lässt sich nämlich Code von externen Webservern in Ihr Webhosting \u003Ca href=\"https:\u002F\u002Fwebsec.wordpress.com\u002F2010\u002F02\u002F22\u002Fexploiting-php-file-inclusion-overview\u002F\">einschleusen\u003C\u002Fa>.\u003C\u002Fp>\n\u003Ch2>Mein CMS verlangt aber allow_url_fopen\u003C\u002Fh2>\n\u003Cp>Leider tummeln sich noch immer Content-Management-Systeme in der freien Wildbahn, die darauf angewiesen sind, dass \u003Cstrong>allow_url_fopen\u003C\u002Fstrong> aktiviert ist.\u003C\u002Fp>\n\u003Cp>Wir raten generell von der Verwendung solcher Software ab. Da allow_url_fopen an sich ein unsicheres Konzept aus \u003Cstrong>alten Tagen\u003C\u002Fstrong> ist, liegt der Verdacht nahe, dass auch der Rest der entsprechenden Software auf alten Methoden basiert.\u003C\u002Fp>\n\u003Ch2>Die Alternativen\u003C\u002Fh2>\n\u003Cp>Das heutige Standardwerkzeug für Verbindungen zu anderen Servern nennt sich \u003Ca href=\"https:\u002F\u002Fwww.php.net\u002Fmanual\u002Fde\u002Fbook.curl.php\">cURL\u003C\u002Fa> und ist selbstverständlich auch auf unseren Systemen installiert. Falls Sie auf der Suche nach guten HTTP-Clients sind, beispielsweise für den Einsatz in einer eigene Applikation, empfehlen wir den Einsatz von \u003Ca href=\"https:\u002F\u002Fdocs.guzzlephp.org\u002Fen\u002Fstable\u002F\">Guzzle\u003C\u002Fa> oder \u003Ca href=\"https:\u002F\u002Fgithub.com\u002Fkriswallsmith\u002FBuzz\">Buzz\u003C\u002Fa>.\u003C\u002Fp>\n\u003Ch2>Wenn alle Stricke reissen\u003C\u002Fh2>\n\u003Cp>Natürlich ist uns klar, dass sich ein im Betrieb befindliches System nicht einfach so auswechseln lässt. Deshalb können Sie in Ihrem my.cyon die Option allow_url_fopen für Ihre eigene php.ini aktivieren, damit die eingesetzte Software im Notfall trotzdem funktioniert.\u003Cbr \u002F>\n\u003Cimg loading=\"lazy\" decoding=\"async\" src=\"https:\u002F\u002Fblog.cyon.ch\u002Fwp-content\u002Fuploads\u002F2013\u002F02\u002Fallow_url_fopen.png\" alt=\"Option allow_url_fopen im my.cyon\" width=\"576\" height=\"395\" class=\"alignnone size-full wp-image-2027 border\" \u002F>\u003Cbr \u002F>\nFalls die Funktion nicht ständig vorausgesetzt wird, empfehlen wir, die Option nur bei effektivem Gebrauch zu aktivieren (z.B. bei einem Update der Software). Dank der \u003Cstrong>komfortablen\u003C\u002Fstrong> Verwaltung in Ihrem my.cyon ist das eine Sache von nur wenigen Mausklicks.\u003C\u002Fp>\n","2013-02-28T15:49:30","2025-09-11T17:42:50",5,"publish",{"nodes":420},[421],{"id":422,"name":423},"dGVybTo2NzA1","Entwicklung & Performance",{"fullHead":425,"metaDesc":17,"metaRobotsNofollow":426,"metaRobotsNoindex":427,"title":413,"opengraphModifiedTime":428,"opengraphImage":429},"\u003C!-- This site is optimized with the Yoast SEO Premium plugin  - https:\u002F\u002Fyoast.com\u002Fproduct\u002Fyoast-seo-premium-wordpress\u002F -->\n\u003C!-- Nur für Administratoren: diese Seite zeigt keine Meta-Beschreibung, da bisher keine vorhanden ist. Verfasse entweder eine speziell für diese Seite oder gehe in das [Yoast SEO - Einstellungen]-Menü und richte eine Vorlage ein. -->\n\u003Cmeta property=\"og:locale\" content=\"de_DE\" \u002F>\n\u003Cmeta property=\"og:type\" content=\"article\" \u002F>\n\u003Cmeta property=\"og:title\" content=\"Allow_url_fopen gehört deaktiviert\" \u002F>\n\u003Cmeta property=\"og:description\" content=\"Die PHP-Funktion allow_url_fopen ist gefährlich. Damit lässt sich nämlich Code von externen Webservern in Ihr Webhosting einschleusen. Mein CMS verlangt aber allow_url_fopen Leider tummeln sich noch immer Content-Management-Systeme in der freien Wildbahn, die darauf angewiesen sind, dass allow_url_fopen aktiviert ist. Wir raten generell von der Verwendung solcher Software ab. 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Nachhaltig. Schnell. Sicher. Ästhetisch. Unser Blog - Deine Plattform für inspirierende Hosting-News.\",\"publisher\":{\"@id\":\"https:\\\u002F\\\u002Fwww.cyon.ch\\\u002Fblog\\\u002F#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\u002F\\\u002Fwww.cyon.ch\\\u002Fblog\\\u002F?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"de-CH\"},{\"@type\":\"Organization\",\"@id\":\"https:\\\u002F\\\u002Fwww.cyon.ch\\\u002Fblog\\\u002F#organization\",\"name\":\"cyon\",\"url\":\"https:\\\u002F\\\u002Fwww.cyon.ch\\\u002Fblog\\\u002F\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"de-CH\",\"@id\":\"https:\\\u002F\\\u002Fwww.cyon.ch\\\u002Fblog\\\u002F#\\\u002Fschema\\\u002Flogo\\\u002Fimage\\\u002F\",\"url\":\"https:\\\u002F\\\u002Fblog.cyon.ch\\\u002Fwp-content\\\u002Fuploads\\\u002F2025\\\u002F06\\\u002Fo_RGB_ColorfulOnWhite-01.png\",\"contentUrl\":\"https:\\\u002F\\\u002Fblog.cyon.ch\\\u002Fwp-content\\\u002Fuploads\\\u002F2025\\\u002F06\\\u002Fo_RGB_ColorfulOnWhite-01.png\",\"width\":939,\"height\":938,\"caption\":\"cyon\"},\"image\":{\"@id\":\"https:\\\u002F\\\u002Fwww.cyon.ch\\\u002Fblog\\\u002F#\\\u002Fschema\\\u002Flogo\\\u002Fimage\\\u002F\"},\"sameAs\":[\"https:\\\u002F\\\u002Fwww.facebook.com\\\u002Fcyonhosting\",\"https:\\\u002F\\\u002Fx.com\\\u002Fcyon\",\"https:\\\u002F\\\u002Fswiss.social\\\u002F@cyon\",\"https:\\\u002F\\\u002Finstagram.com\\\u002Fcyon.ch\\\u002F\",\"https:\\\u002F\\\u002Fwww.linkedin.com\\\u002Fcompany\\\u002F1876493\\\u002F\"]},{\"@type\":\"Person\",\"@id\":\"https:\\\u002F\\\u002Fwww.cyon.ch\\\u002Fblog\\\u002F#\\\u002Fschema\\\u002Fperson\\\u002F2aaa25a0a1557c97fc7c5d07f9d0e651\",\"name\":\"Philipp Zeder\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"de-CH\",\"@id\":\"https:\\\u002F\\\u002Fblog.cyon.ch\\\u002Fwp-content\\\u002Fuploads\\\u002F2025\\\u002F03\\\u002Fcropped-pz-avatar-96x96.jpeg\",\"url\":\"https:\\\u002F\\\u002Fblog.cyon.ch\\\u002Fwp-content\\\u002Fuploads\\\u002F2025\\\u002F03\\\u002Fcropped-pz-avatar-96x96.jpeg\",\"contentUrl\":\"https:\\\u002F\\\u002Fblog.cyon.ch\\\u002Fwp-content\\\u002Fuploads\\\u002F2025\\\u002F03\\\u002Fcropped-pz-avatar-96x96.jpeg\",\"caption\":\"Philipp Zeder\"},\"sameAs\":[\"https:\\\u002F\\\u002Fx.com\\\u002Fzedpelin\"]}]}\u003C\u002Fscript>\n\u003C!-- \u002F Yoast SEO Premium plugin. -->","follow","noindex","2025-09-11T15:42:50+00:00",{"mediaItemUrl":430},"https:\u002F\u002Fblog.cyon.ch\u002Fwp-content\u002Fuploads\u002F2013\u002F02\u002Fallow_url_fopen.png",{"node":432},{"id":433,"email":434,"name":435,"avatar":436},"dXNlcjox","pz@cyon.ch","Philipp Zeder",{"url":437,"height":380,"width":380},"https:\u002F\u002Fblog.cyon.ch\u002Fwp-content\u002Fuploads\u002F2025\u002F03\u002Fcropped-pz-avatar-96x96.jpeg",{"nodes":439},[440,479],{"author":441,"content":449,"date":450,"dateGmt":451,"parentId":12,"databaseId":452,"replies":453},{"node":442},{"id":443,"email":444,"name":445,"avatar":446,"__typename":448},"Y29tbWVudF9hdXRob3I6MTE5MTQ=","besoflotho@gmail.com","Bea",{"url":447,"height":380,"width":380},"https:\u002F\u002Fsecure.gravatar.com\u002Favatar\u002F8508386f55552ff20847bc9e38a81dba03a50d5c8d4243a14be0cf6032c4bce2?s=96&d=mm&r=g","CommentAuthor","\u003Cp>Und bei welchen CMS ist das so?\u003C\u002Fp>\n","2013-02-28 22:28:57","2013-02-28 21:28:57",11914,{"nodes":454},[455],{"author":456,"content":460,"date":461,"dateGmt":462,"parentId":463,"databaseId":464,"replies":465},{"node":457},{"id":433,"email":434,"name":435,"avatar":458,"__typename":459},{"url":437},"User","\u003Cp>Hallo Bea\u003Cbr \u002F>\nBeispielsweise Joomla 2.5 benötigt allow_url_fopen für die automatische Updatefunktion. In diesem Fall kann man, wie beschrieben, die Funktion einfach temporär aktivieren um auf Nummer sicher zu gehen.\u003C\u002Fp>\n","2013-03-05 11:01:16","2013-03-05 10:01:16","Y29tbWVudDoxMTkxNA==",12388,{"nodes":466},[467],{"author":468,"content":472,"date":473,"dateGmt":474,"parentId":475,"databaseId":476,"replies":477},{"node":469},{"id":470,"email":444,"name":445,"avatar":471,"__typename":448},"Y29tbWVudF9hdXRob3I6MTI1NDQ=",{"url":447,"height":380,"width":380},"\u003Cp>Ui danke, das Betrifft genau mich. Werde das grad bei meine Joomlas abstellen. Danke. Frau lernt nie aus :-D\u003C\u002Fp>\n","2013-03-06 09:01:30","2013-03-06 08:01:30","Y29tbWVudDoxMjM4OA==",12544,{"nodes":478},[],{"author":480,"content":487,"date":488,"dateGmt":489,"parentId":12,"databaseId":490,"replies":491},{"node":481},{"id":482,"email":483,"name":484,"avatar":485,"__typename":448},"Y29tbWVudF9hdXRob3I6MTE4OTM=","me@christianklauenboesch.ch","Christian",{"url":486,"height":380,"width":380},"https:\u002F\u002Fsecure.gravatar.com\u002Favatar\u002F2807181a93f655d7129b7b3a8be141ce20103e23707b919e0b0234584949e920?s=96&d=mm&r=g","\u003Cp>Das ist ja schön und gut, jedoch wird eine Tatsache vergessen: Alle Beispiele auf der genannten Webseite basieren darauf, dass KEINE Überprüfung der Benutzereingabe erfolgt. Das ist jedoch Grundlage Nummer 1 (Nie Userdaten vertrauen).\u003C\u002Fp>\n\u003Cp>Bei einer genügenden Überprüfung der Benutzereingabe (e.g. auf zwei Punkte am Stück, Slashs, …) oder einer Whitelist lässt sich das ganze Problem lösen.\u003C\u002Fp>\n","2013-02-28 19:06:16","2013-02-28 18:06:16",11893,{"nodes":492},[493],{"author":494,"content":497,"date":498,"dateGmt":499,"parentId":500,"databaseId":501,"replies":502},{"node":495},{"id":433,"email":434,"name":435,"avatar":496,"__typename":459},{"url":437},"\u003Cp>Christian, merci für Deinen Kommentar.\u003Cbr \u002F>\nDie Überprüfung der Benutzereingaben sollte natürlich Standard sein. Wir haben leider die Erfahrung gemacht, dass dieser Punkt oft vergessen geht. Wie gesagt, lässt sich dann aber relativ schnell auf die Qualität des restlichen Codes schliessen.\u003C\u002Fp>\n","2013-03-05 10:43:37","2013-03-05 09:43:37","Y29tbWVudDoxMTg5Mw==",12385,{"nodes":503},[]]