[{"data":1,"prerenderedAt":292},["ShallowReactive",2],{"doku:en:richtlinien-anhang\u002Fhilfe-microsoft-policies-internetexplorer-iesf-policyexplorerprocesses-6":3},{"seite":4,"start":37,"leiste":38,"bereich":291,"zurueck":291,"weiter":291},{"sprache":5,"rel":6,"zu":7,"id":8,"titel":9,"titelHtml":9,"beschreibung":10,"kennzeile":11,"imMenue":12,"html":13,"ueberschriften":14},"en","richtlinien-anhang\u002Fhilfe-microsoft-policies-internetexplorer-iesf-policyexplorerprocesses-6","\u002Fen\u002Fdocumentation\u002Frichtlinien-anhang\u002Fhilfe-microsoft-policies-internetexplorer-iesf-policyexplorerprocesses-6","referenz-hilfe-microsoft-policies-internetexplorer-iesf-policyexplorerprocesses-6","Internet Explorer Processes","This ADMX-backed Group Policy setting controls the MIME Sniffing Safety Feature for the specified Explorer and Internet Explorer processes.","since 0.9.8.11",false,"\u003Ch2 id=\"purpose\">Purpose\u003C\u002Fh2>\n\u003Cdetails class=\"doku-klappbox\">\u003Csummary>Show registry keys (6)\u003C\u002Fsummary>\u003Cdiv class=\"doku-klappbox-inhalt\">\n\u003Cul>\n\u003Cli>\u003Ccode>HKLM\\Software\\Policies\\Microsoft\\Internet Explorer\\Main\\FeatureControl\\FEATURE_MIME_SNIFFING\\(Reserved)\u003C\u002Fcode>\u003C\u002Fli>\n\u003Cli>\u003Ccode>HKLM\\Software\\Policies\\Microsoft\\Internet Explorer\\Main\\FeatureControl\\FEATURE_MIME_SNIFFING\\explorer.exe\u003C\u002Fcode>\u003C\u002Fli>\n\u003Cli>\u003Ccode>HKLM\\Software\\Policies\\Microsoft\\Internet Explorer\\Main\\FeatureControl\\FEATURE_MIME_SNIFFING\\iexplore.exe\u003C\u002Fcode>\u003C\u002Fli>\n\u003Cli>\u003Ccode>HKCU\\Software\\Policies\\Microsoft\\Internet Explorer\\Main\\FeatureControl\\FEATURE_MIME_SNIFFING\\(Reserved)\u003C\u002Fcode>\u003C\u002Fli>\n\u003Cli>\u003Ccode>HKCU\\Software\\Policies\\Microsoft\\Internet Explorer\\Main\\FeatureControl\\FEATURE_MIME_SNIFFING\\explorer.exe\u003C\u002Fcode>\u003C\u002Fli>\n\u003Cli>\u003Ccode>HKCU\\Software\\Policies\\Microsoft\\Internet Explorer\\Main\\FeatureControl\\FEATURE_MIME_SNIFFING\\iexplore.exe\u003C\u002Fcode>\u003C\u002Fli>\n\u003C\u002Ful>\n\u003C\u002Fdiv>\u003C\u002Fdetails>\n\u003Cp>This ADMX-backed Group Policy setting controls the MIME Sniffing Safety Feature for the specified Explorer and Internet Explorer processes. MIME sniffing examines a file’s binary signature to determine its actual content type, which Internet Explorer can then use when deciding how to render or otherwise handle the file.\u003C\u002Fp>\n\u003Cp>When the policy is enabled, MIME sniffing cannot promote a file from an apparently safer type to a more dangerous file type. This is particularly relevant when a file’s actual structure does not match the MIME type supplied by the web server. When the policy is disabled, the affected processes may perform such a promotion. According to Microsoft, the unconfigured state also prevents promotion to a more dangerous type.\u003C\u002Fp>\n\u003Cp>The values under \u003Ccode>HKLM\u003C\u002Fcode> represent the device scope, while those under \u003Ccode>HKCU\u003C\u002Fcode> represent the user scope. The \u003Ccode>explorer.exe\u003C\u002Fcode> and \u003Ccode>iexplore.exe\u003C\u002Fcode> entries limit the feature control to the named processes.\u003C\u002Fp>\n\u003Ch2 id=\"notes\">Notes\u003C\u002Fh2>\n\u003Ch3 id=\"security\">Security\u003C\u002Fh3>\n\u003Cp>Preventing dangerous MIME promotions reduces the risk that deliberately mislabeled content will be handled as an active or executable file type. For example, a resource presented as plain text might contain executable or otherwise active content.\u003C\u002Fp>\n\u003Cp>Disabling the policy removes this protective layer. Detection of a more dangerous type does not by itself guarantee code execution: subsequent handling still depends on factors such as the security zone, the detected type, its registered handler, and other Internet Explorer security controls.\u003C\u002Fp>\n\u003Ch3 id=\"possible-side-effects\">Possible side effects\u003C\u002Fh3>\n\u003Cp>Incorrectly configured web applications or servers may send an inaccurate MIME type and rely on Internet Explorer to correct it after inspecting the content. If that correction would promote the resource to a more dangerous type, enabling the safety feature can cause the content to render differently, fail to open as intended, or be rejected.\u003C\u002Fp>\n\u003Ch3 id=\"notes-1\">Notes\u003C\u002Fh3>\n\u003Cp>This setting is not a system-wide MIME policy for every Windows application or browser. It is a process-specific Internet Explorer feature control for the listed executable files.\u003C\u002Fp>\n\u003Cp>Internet Explorer security-zone policies can additionally determine whether MIME sniffing is permitted for a particular URL. This setting is also related to, but does not replace, the Consistent MIME Handling policy. Consistent MIME Handling compares information such as the file-name extension, HTTP headers, and the type detected from the content.\u003C\u002Fp>\n\u003Cp>Microsoft does not document a separate functional behavior for the template value named \u003Ccode>(Reserved)\u003C\u002Fcode>; the documented behavior applies to the policy as a whole.\u003C\u002Fp>\n\u003Ch3 id=\"microsoft-documentation\">Microsoft documentation\u003C\u002Fh3>\n\u003Cp>\u003Ca href=\"https:\u002F\u002Flearn.microsoft.com\u002Fen-us\u002Fwindows\u002Fclient-management\u002Fmdm\u002Fpolicy-csp-internetexplorer#mimesniffingsafetyfeatureinternetexplorerprocesses\">Microsoft Learn: InternetExplorer Policy CSP – MimeSniffingSafetyFeatureInternetExplorerProcesses\u003C\u002Fa>\u003C\u002Fp>\n\u003Cp>\u003Ca href=\"https:\u002F\u002Flearn.microsoft.com\u002Fen-us\u002Fprevious-versions\u002Fwindows\u002Finternet-explorer\u002Fie-developer\u002Fplatform-apis\u002Fms537169(v=vs.85)\">Microsoft Learn: INTERNETFEATURELIST enumeration – FEATURE_MIME_SNIFFING\u003C\u002Fa>\u003C\u002Fp>\n\u003Ch2 id=\"see-also\">See also\u003C\u002Fh2>\n\u003Cul>\n\u003Cli>\u003Ca href=\"\u002Fen\u002Fdocumentation\u002Frichtlinien-anhang\u002Frichtlinien-edge-internet-explorer#e-07c37d1cd5\">Entry in the reference\u003C\u002Fa>\u003C\u002Fli>\n\u003C\u002Ful>\n",[15,19,22,26,29,31,34],{"ebene":16,"id":17,"text":18},2,"purpose","Purpose",{"ebene":16,"id":20,"text":21},"notes","Notes",{"ebene":23,"id":24,"text":25},3,"security","Security",{"ebene":23,"id":27,"text":28},"possible-side-effects","Possible side effects",{"ebene":23,"id":30,"text":21},"notes-1",{"ebene":23,"id":32,"text":33},"microsoft-documentation","Microsoft documentation",{"ebene":16,"id":35,"text":36},"see-also","See also","\u002Fen\u002Fdocumentation",[39,59,71,79,127,147,163,179,203,219,235],{"titel":40,"pfad":41,"seiten":42},"Getting started","erste-schritte",[43,47,51,55],{"rel":44,"titel":45,"zu":46},"erste-schritte\u002Fwas-ist-setup-foundry","Setup Foundry","\u002Fen\u002Fdocumentation\u002Ferste-schritte\u002Fwas-ist-setup-foundry",{"rel":48,"titel":49,"zu":50},"erste-schritte\u002Finstallation","Installing Setup Foundry","\u002Fen\u002Fdocumentation\u002Ferste-schritte\u002Finstallation",{"rel":52,"titel":53,"zu":54},"erste-schritte\u002Fschnellstart","Quick start","\u002Fen\u002Fdocumentation\u002Ferste-schritte\u002Fschnellstart",{"rel":56,"titel":57,"zu":58},"erste-schritte\u002Fablauf","How it works","\u002Fen\u002Fdocumentation\u002Ferste-schritte\u002Fablauf",{"titel":60,"pfad":61,"seiten":62},"Setup","wizard",[63,67],{"rel":64,"titel":65,"zu":66},"wizard\u002Fuebersicht","The setup wizard","\u002Fen\u002Fdocumentation\u002Fwizard\u002Fuebersicht",{"rel":68,"titel":69,"zu":70},"wizard\u002Fsystemanforderungen","System requirements","\u002Fen\u002Fdocumentation\u002Fwizard\u002Fsystemanforderungen",{"titel":72,"pfad":73,"seiten":74},"Setup in 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Windows","\u002Fen\u002Fdocumentation\u002Fkonfiguration\u002Fwindows-bereinigen",{"rel":104,"titel":105,"zu":106},"konfiguration\u002Fapps-entfernen","Removing apps","\u002Fen\u002Fdocumentation\u002Fkonfiguration\u002Fapps-entfernen",{"rel":108,"titel":109,"zu":110},"konfiguration\u002Fauswaehlen","Selecting applications","\u002Fen\u002Fdocumentation\u002Fkonfiguration\u002Fauswaehlen",{"rel":112,"titel":113,"zu":114},"konfiguration\u002Frichtlinien","Policies","\u002Fen\u002Fdocumentation\u002Fkonfiguration\u002Frichtlinien",{"rel":116,"titel":117,"zu":118},"konfiguration\u002Fpc-informationen","PC information","\u002Fen\u002Fdocumentation\u002Fkonfiguration\u002Fpc-informationen",{"rel":120,"titel":121,"zu":122},"konfiguration\u002Fnamensschema","Naming scheme","\u002Fen\u002Fdocumentation\u002Fkonfiguration\u002Fnamensschema",{"rel":124,"titel":125,"zu":126},"konfiguration\u002Finstall-assist-gestalten","Design the Install 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computer","\u002Fen\u002Fdocumentation\u002Finstallationsmedien\u002Finstall-assist",{"titel":148,"pfad":149,"seiten":150},"Machines","pruefmaschine",[151,155,159],{"rel":152,"titel":153,"zu":154},"pruefmaschine\u002Fhyper-v-berechtigungen","Hyper-V permissions","\u002Fen\u002Fdocumentation\u002Fpruefmaschine\u002Fhyper-v-berechtigungen",{"rel":156,"titel":157,"zu":158},"pruefmaschine\u002Fverwenden","Use the test machine","\u002Fen\u002Fdocumentation\u002Fpruefmaschine\u002Fverwenden",{"rel":160,"titel":161,"zu":162},"pruefmaschine\u002Ferstellen","Create a machine","\u002Fen\u002Fdocumentation\u002Fpruefmaschine\u002Ferstellen",{"titel":164,"pfad":165,"seiten":166},"Editions","editionen",[167,171,175],{"rel":168,"titel":169,"zu":170},"editionen\u002Fvergleich","Editions at a glance","\u002Fen\u002Fdocumentation\u002Feditionen\u002Fvergleich",{"rel":172,"titel":173,"zu":174},"editionen\u002Flizenz-aktivieren","Activate a license","\u002Fen\u002Fdocumentation\u002Feditionen\u002Flizenz-aktivieren",{"rel":176,"titel":177,"zu":178},"editionen\u002Faktivierungen-zuruecksetzen","Reset activations","\u002Fen\u002Fdocumentation\u002Feditionen\u002Faktivierungen-zuruecksetzen",{"titel":180,"pfad":181,"seiten":182},"Troubleshooting","fehler",[183,187,191,195,199],{"rel":184,"titel":185,"zu":186},"fehler\u002Fusb","USB drive problems","\u002Fen\u002Fdocumentation\u002Ffehler\u002Fusb",{"rel":188,"titel":189,"zu":190},"fehler\u002Fiso","ISO import problems","\u002Fen\u002Fdocumentation\u002Ffehler\u002Fiso",{"rel":192,"titel":193,"zu":194},"fehler\u002Fhyperv","Hyper-V problems","\u002Fen\u002Fdocumentation\u002Ffehler\u002Fhyperv",{"rel":196,"titel":197,"zu":198},"fehler\u002Finstall-assist","When Setup fails on the target computer","\u002Fen\u002Fdocumentation\u002Ffehler\u002Finstall-assist",{"rel":200,"titel":201,"zu":202},"fehler\u002Fantwortdatei","The answer file","\u002Fen\u002Fdocumentation\u002Ffehler\u002Fantwortdatei",{"titel":204,"pfad":205,"seiten":206},"Reference","referenz",[207,211,215],{"rel":208,"titel":209,"zu":210},"referenz\u002Fbekannte-probleme","Known issues","\u002Fen\u002Fdocumentation\u002Freferenz\u002Fbekannte-probleme",{"rel":212,"titel":213,"zu":214},"referenz\u002Fdiagnose-und-protokolle","Diagnostics and logs","\u002Fen\u002Fdocumentation\u002Freferenz\u002Fdiagnose-und-protokolle",{"rel":216,"titel":217,"zu":218},"referenz\u002Fglossar","Glossary","\u002Fen\u002Fdocumentation\u002Freferenz\u002Fglossar",{"titel":220,"pfad":221,"seiten":222},"Windows appendix","windows-anhang",[223,227,231],{"rel":224,"titel":225,"zu":226},"windows-anhang\u002Fdienste","Services","\u002Fen\u002Fdocumentation\u002Fwindows-anhang\u002Fdienste",{"rel":228,"titel":229,"zu":230},"windows-anhang\u002Faufgaben","Scheduled tasks","\u002Fen\u002Fdocumentation\u002Fwindows-anhang\u002Faufgaben",{"rel":232,"titel":233,"zu":234},"windows-anhang\u002Fapps","App packages","\u002Fen\u002Fdocumentation\u002Fwindows-anhang\u002Fapps",{"titel":236,"pfad":237,"seiten":238},"Policy appendix","richtlinien-anhang",[239,243,247,251,255,259,263,267,271,275,279,283,287],{"rel":240,"titel":241,"zu":242},"richtlinien-anhang\u002Frichtlinien","Policy reference","\u002Fen\u002Fdocumentation\u002Frichtlinien-anhang\u002Frichtlinien",{"rel":244,"titel":245,"zu":246},"richtlinien-anhang\u002Frichtlinien-office-haertung","Office hardening","\u002Fen\u002Fdocumentation\u002Frichtlinien-anhang\u002Frichtlinien-office-haertung",{"rel":248,"titel":249,"zu":250},"richtlinien-anhang\u002Frichtlinien-edge-internet-explorer","Edge and Internet Explorer","\u002Fen\u002Fdocumentation\u002Frichtlinien-anhang\u002Frichtlinien-edge-internet-explorer",{"rel":252,"titel":253,"zu":254},"richtlinien-anhang\u002Frichtlinien-virenschutz-angriffsflaechen","Virus protection and attack surface","\u002Fen\u002Fdocumentation\u002Frichtlinien-anhang\u002Frichtlinien-virenschutz-angriffsflaechen",{"rel":256,"titel":257,"zu":258},"richtlinien-anhang\u002Frichtlinien-netzwerk-freigaben","Network and file sharing","\u002Fen\u002Fdocumentation\u002Frichtlinien-anhang\u002Frichtlinien-netzwerk-freigaben",{"rel":260,"titel":261,"zu":262},"richtlinien-anhang\u002Frichtlinien-datenschutz-telemetrie","Privacy and telemetry","\u002Fen\u002Fdocumentation\u002Frichtlinien-anhang\u002Frichtlinien-datenschutz-telemetrie",{"rel":264,"titel":265,"zu":266},"richtlinien-anhang\u002Frichtlinien-protokollierung-ueberwachung","Logging and auditing","\u002Fen\u002Fdocumentation\u002Frichtlinien-anhang\u002Frichtlinien-protokollierung-ueberwachung",{"rel":268,"titel":269,"zu":270},"richtlinien-anhang\u002Frichtlinien-anmeldung-konten","Sign-in and accounts","\u002Fen\u002Fdocumentation\u002Frichtlinien-anhang\u002Frichtlinien-anmeldung-konten",{"rel":272,"titel":273,"zu":274},"richtlinien-anhang\u002Frichtlinien-geraete-wechselmedien","Devices and removable media","\u002Fen\u002Fdocumentation\u002Frichtlinien-anhang\u002Frichtlinien-geraete-wechselmedien",{"rel":276,"titel":277,"zu":278},"richtlinien-anhang\u002Frichtlinien-kernschutz","Kernel protection","\u002Fen\u002Fdocumentation\u002Frichtlinien-anhang\u002Frichtlinien-kernschutz",{"rel":280,"titel":281,"zu":282},"richtlinien-anhang\u002Frichtlinien-laufwerksverschluesselung","Drive encryption","\u002Fen\u002Fdocumentation\u002Frichtlinien-anhang\u002Frichtlinien-laufwerksverschluesselung",{"rel":284,"titel":285,"zu":286},"richtlinien-anhang\u002Frichtlinien-windows-update","Windows Update","\u002Fen\u002Fdocumentation\u002Frichtlinien-anhang\u002Frichtlinien-windows-update",{"rel":288,"titel":289,"zu":290},"richtlinien-anhang\u002Frichtlinien-grundeinstellungen","Defaults and privacy settings","\u002Fen\u002Fdocumentation\u002Frichtlinien-anhang\u002Frichtlinien-grundeinstellungen",null,1793199129192]