Disable-DoH-Browsers.reg

gistfile1.txt

Windows Registry Editor Version 5.00

; ============================================================
; Disable DNS-over-HTTPS (DoH) via Group Policy registry keys
; ============================================================

; --- Google Chrome ---
; DnsOverHttpsMode "off" disables DoH entirely and is locked as a managed policy
[HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Google\Chrome]
"DnsOverHttpsMode"="off"
"DnsOverHttpsTemplates"=""

; --- Microsoft Edge (Chromium) ---
; Same policy model as Chrome
[HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Edge]
"DnsOverHttpsMode"="off"
"DnsOverHttpsTemplates"=""

; --- Mozilla Firefox ---
; Enabled=0 turns DoH off; Locked=1 prevents users from re-enabling it in settings
[HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Mozilla\Firefox]

[HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Mozilla\Firefox\DNSOverHTTPS]
"Enabled"=dword:00000000
"Locked"=dword:00000001