[{"data":1,"prerenderedAt":295},["ShallowReactive",2],{"doku:en:richtlinien-anhang\u002Fhilfe-c8a6e42e9f3d-rpcauthnlevelprivacyenabled":3},{"seite":4,"start":40,"leiste":41,"bereich":294,"zurueck":294,"weiter":294},{"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-c8a6e42e9f3d-rpcauthnlevelprivacyenabled","\u002Fen\u002Fdocumentation\u002Frichtlinien-anhang\u002Fhilfe-c8a6e42e9f3d-rpcauthnlevelprivacyenabled","referenz-hilfe-c8a6e42e9f3d-rpcauthnlevelprivacyenabled","Configure RPC packet level privacy setting for incoming connections","The `RpcAuthnLevelPrivacyEnabled` registry value controls server-side RPC protection for incoming connections to the print service's `IRemoteWinspool` interface.","since 0.9.8.11",false,"\u003Ch2 id=\"purpose\">Purpose\u003C\u002Fh2>\n\u003Cdetails class=\"doku-klappbox\">\u003Csummary>Show registry keys (1)\u003C\u002Fsummary>\u003Cdiv class=\"doku-klappbox-inhalt\">\n\u003Cul>\n\u003Cli>\u003Ccode>HKLM\\SYSTEM\\CurrentControlSet\\Control\\Print\\RpcAuthnLevelPrivacyEnabled\u003C\u002Fcode>\u003C\u002Fli>\n\u003C\u002Ful>\n\u003C\u002Fdiv>\u003C\u002Fdetails>\n\u003Cp>The \u003Ccode>RpcAuthnLevelPrivacyEnabled\u003C\u002Fcode> registry value controls server-side RPC protection for incoming connections to the print service's \u003Ccode>IRemoteWinspool\u003C\u002Fcode> interface. Its type is \u003Ccode>REG_DWORD\u003C\u002Fcode>. A value of \u003Ccode>1\u003C\u002Fcode> enables Enforcement mode: the print service accepts clients on this interface only when they use the increased RPC authentication level with packet-level privacy.\u003C\u002Fp>\n\u003Cp>The resulting \u003Ccode>RPC_C_AUTHN_LEVEL_PKT_PRIVACY\u003C\u002Fcode> protection authenticates the communication and protects the transferred RPC data against undetected modification and disclosure. For remote connections, the arguments of each remote procedure call are encrypted.\u003C\u002Fp>\n\u003Cp>This setting applies to the relevant print-service RPC interface. It does not provide general encryption for every printing protocol, print data in transit through other interfaces, or stored print jobs.\u003C\u002Fp>\n\u003Ch2 id=\"notes\">Notes\u003C\u002Fh2>\n\u003Ch3 id=\"additional-effects\">Additional effects\u003C\u002Fh3>\n\u003Cp>Connections that do not negotiate the required RPC protection level are rejected by the print server. A client therefore cannot use the protected \u003Ccode>IRemoteWinspool\u003C\u002Fcode> interface with a weaker RPC authentication level.\u003C\u002Fp>\n\u003Ch3 id=\"security\">Security\u003C\u002Fh3>\n\u003Cp>Enforcement mode is part of the mitigation for CVE-2021-1678, a spoofing and security-bypass vulnerability involving authentication of printer RPC bindings. Requiring the higher protection level makes interception or modification of RPC communication more difficult and prevents connections that use an insufficient RPC authentication level.\u003C\u002Fp>\n\u003Cp>The value does not grant additional user rights or change file-system permissions or administrative group membership.\u003C\u002Fp>\n\u003Ch3 id=\"possible-side-effects\">Possible side effects\u003C\u002Fh3>\n\u003Cp>Clients without the January 12, 2021 Windows security update or a later update might not support the required behavior. Connections from those clients through \u003Ccode>IRemoteWinspool\u003C\u002Fcode> can fail, preventing them from using shared printers.\u003C\u002Fp>\n\u003Ch3 id=\"notes-1\">Notes\u003C\u002Fh3>\n\u003Cp>For Windows updates released on or after September 14, 2021, an absent registry value defaults to the behavior represented by \u003Ccode>1\u003C\u002Fcode>. On an appropriately updated system, explicitly setting the value to \u003Ccode>1\u003C\u002Fcode> therefore confirms the Enforcement mode that already applies by default.\u003C\u002Fp>\n\u003Cp>Microsoft exposes the corresponding ADMX-backed computer policy in Windows 11, version 24H2 and later. The underlying protection and registry value were introduced earlier through the security updates for CVE-2021-1678 on previous Windows and Windows Server versions.\u003C\u002Fp>\n\u003Cp>A change to the effective value takes effect after either the device or the Print Spooler service is restarted.\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-printers#configurerpcauthnlevelprivacyenabled\">Microsoft Learn: Policy CSP – Printers\u003C\u002Fa>\u003C\u002Fp>\n\u003Cp>\u003Ca href=\"https:\u002F\u002Fsupport.microsoft.com\u002Fen-us\u002Fservicing\u002Fos\u002Fwindows-server\u002F2020\u002F12\u002Fmanaging-deployment-of-printer-rpc-binding-changes-for-cve-2021-1678-kb4599464\">Microsoft Support: Managing deployment of Printer RPC binding changes for CVE-2021-1678 (KB4599464)\u003C\u002Fa>\u003C\u002Fp>\n\u003Cp>\u003Ca href=\"https:\u002F\u002Flearn.microsoft.com\u002Fen-us\u002Fwindows\u002Fwin32\u002Frpc\u002Fauthentication-level-constants\">Microsoft Learn: Authentication-Level Constants\u003C\u002Fa>\u003C\u002Fp>\n\u003Ch2 id=\"see-also\">See also\u003C\u002Fh2>\n\u003Cul>\n\u003Cli>\u003Ca href=\"\u002Fen\u002Fdocumentation\u002Frichtlinien-anhang\u002Frichtlinien-netzwerk-freigaben#e-c8a6e42e9f\">Entry in the reference\u003C\u002Fa>\u003C\u002Fli>\n\u003C\u002Ful>\n",[15,19,22,26,29,32,34,37],{"ebene":16,"id":17,"text":18},2,"purpose","Purpose",{"ebene":16,"id":20,"text":21},"notes","Notes",{"ebene":23,"id":24,"text":25},3,"additional-effects","Additional effects",{"ebene":23,"id":27,"text":28},"security","Security",{"ebene":23,"id":30,"text":31},"possible-side-effects","Possible side effects",{"ebene":23,"id":33,"text":21},"notes-1",{"ebene":23,"id":35,"text":36},"microsoft-documentation","Microsoft 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users","\u002Fen\u002Fdocumentation\u002Fkonfiguration\u002Fbenutzer",{"rel":99,"titel":100,"zu":101},"konfiguration\u002Fbilder","Background picture and logo","\u002Fen\u002Fdocumentation\u002Fkonfiguration\u002Fbilder",{"rel":103,"titel":104,"zu":105},"konfiguration\u002Fwindows-bereinigen","Cleaning up Windows","\u002Fen\u002Fdocumentation\u002Fkonfiguration\u002Fwindows-bereinigen",{"rel":107,"titel":108,"zu":109},"konfiguration\u002Fapps-entfernen","Removing apps","\u002Fen\u002Fdocumentation\u002Fkonfiguration\u002Fapps-entfernen",{"rel":111,"titel":112,"zu":113},"konfiguration\u002Fauswaehlen","Selecting applications","\u002Fen\u002Fdocumentation\u002Fkonfiguration\u002Fauswaehlen",{"rel":115,"titel":116,"zu":117},"konfiguration\u002Frichtlinien","Policies","\u002Fen\u002Fdocumentation\u002Fkonfiguration\u002Frichtlinien",{"rel":119,"titel":120,"zu":121},"konfiguration\u002Fpc-informationen","PC 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computer","\u002Fen\u002Fdocumentation\u002Ffehler\u002Finstall-assist",{"rel":203,"titel":204,"zu":205},"fehler\u002Fantwortdatei","The answer file","\u002Fen\u002Fdocumentation\u002Ffehler\u002Fantwortdatei",{"titel":207,"pfad":208,"seiten":209},"Reference","referenz",[210,214,218],{"rel":211,"titel":212,"zu":213},"referenz\u002Fbekannte-probleme","Known issues","\u002Fen\u002Fdocumentation\u002Freferenz\u002Fbekannte-probleme",{"rel":215,"titel":216,"zu":217},"referenz\u002Fdiagnose-und-protokolle","Diagnostics and logs","\u002Fen\u002Fdocumentation\u002Freferenz\u002Fdiagnose-und-protokolle",{"rel":219,"titel":220,"zu":221},"referenz\u002Fglossar","Glossary","\u002Fen\u002Fdocumentation\u002Freferenz\u002Fglossar",{"titel":223,"pfad":224,"seiten":225},"Windows appendix","windows-anhang",[226,230,234],{"rel":227,"titel":228,"zu":229},"windows-anhang\u002Fdienste","Services","\u002Fen\u002Fdocumentation\u002Fwindows-anhang\u002Fdienste",{"rel":231,"titel":232,"zu":233},"windows-anhang\u002Faufgaben","Scheduled tasks","\u002Fen\u002Fdocumentation\u002Fwindows-anhang\u002Faufgaben",{"rel":235,"titel":236,"zu":237},"windows-anhang\u002Fapps","App packages","\u002Fen\u002Fdocumentation\u002Fwindows-anhang\u002Fapps",{"titel":239,"pfad":240,"seiten":241},"Policy appendix","richtlinien-anhang",[242,246,250,254,258,262,266,270,274,278,282,286,290],{"rel":243,"titel":244,"zu":245},"richtlinien-anhang\u002Frichtlinien","Policy reference","\u002Fen\u002Fdocumentation\u002Frichtlinien-anhang\u002Frichtlinien",{"rel":247,"titel":248,"zu":249},"richtlinien-anhang\u002Frichtlinien-office-haertung","Office hardening","\u002Fen\u002Fdocumentation\u002Frichtlinien-anhang\u002Frichtlinien-office-haertung",{"rel":251,"titel":252,"zu":253},"richtlinien-anhang\u002Frichtlinien-edge-internet-explorer","Edge and Internet Explorer","\u002Fen\u002Fdocumentation\u002Frichtlinien-anhang\u002Frichtlinien-edge-internet-explorer",{"rel":255,"titel":256,"zu":257},"richtlinien-anhang\u002Frichtlinien-virenschutz-angriffsflaechen","Virus protection and attack surface","\u002Fen\u002Fdocumentation\u002Frichtlinien-anhang\u002Frichtlinien-virenschutz-angriffsflaechen",{"rel":259,"titel":260,"zu":261},"richtlinien-anhang\u002Frichtlinien-netzwerk-freigaben","Network and file sharing","\u002Fen\u002Fdocumentation\u002Frichtlinien-anhang\u002Frichtlinien-netzwerk-freigaben",{"rel":263,"titel":264,"zu":265},"richtlinien-anhang\u002Frichtlinien-datenschutz-telemetrie","Privacy and 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protection","\u002Fen\u002Fdocumentation\u002Frichtlinien-anhang\u002Frichtlinien-kernschutz",{"rel":283,"titel":284,"zu":285},"richtlinien-anhang\u002Frichtlinien-laufwerksverschluesselung","Drive encryption","\u002Fen\u002Fdocumentation\u002Frichtlinien-anhang\u002Frichtlinien-laufwerksverschluesselung",{"rel":287,"titel":288,"zu":289},"richtlinien-anhang\u002Frichtlinien-windows-update","Windows Update","\u002Fen\u002Fdocumentation\u002Frichtlinien-anhang\u002Frichtlinien-windows-update",{"rel":291,"titel":292,"zu":293},"richtlinien-anhang\u002Frichtlinien-grundeinstellungen","Defaults and privacy settings","\u002Fen\u002Fdocumentation\u002Frichtlinien-anhang\u002Frichtlinien-grundeinstellungen",null,1793199126834]