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Allow Proxies: registry value NTLM and 1 moreUserHKCU\Software\Policies\Mozilla\Firefox\Authentication\AllowProxies

Policy ID
Authentication_AllowProxies
Scope
Computer Configuration, User Configuration
Supported on
Firefox 70 or later, Firefox 68.2 ESR or later
Source
Mozilla Firefox Policy Templates (version 8.3)
Category
Mozilla › Firefox › Authentication

Registry

NTLM

REG_DWORDUserComputer
…\Software\Policies\Mozilla\Firefox\Authentication\AllowProxiesHKCU\Software\Policies\Mozilla\Firefox\Authentication\AllowProxies Current key
HKLM\Software\Policies\Mozilla\Firefox\Authentication\AllowProxies
Checked
1
Unchecked
0
Element
Allow NTLM to automatically authenticate with proxy servers
Value type
REG_DWORD
Apply with .reg · CMD · PowerShell
UserPer-account setting
.reg
Windows Registry Editor Version 5.00

[HKEY_CURRENT_USER\Software\Policies\Mozilla\Firefox\Authentication\AllowProxies]

; Options (use only one)
; Checked
"NTLM"=dword:00000001
; Unchecked
"NTLM"=dword:00000000
CMD
:: Options (use only one)

:: Checked
reg add "HKCU\Software\Policies\Mozilla\Firefox\Authentication\AllowProxies" /v "NTLM" /t REG_DWORD /d 1 /f
:: Unchecked
reg add "HKCU\Software\Policies\Mozilla\Firefox\Authentication\AllowProxies" /v "NTLM" /t REG_DWORD /d 0 /f
PowerShell
# Common: create the key
New-Item -Path 'HKCU:\Software\Policies\Mozilla\Firefox\Authentication\AllowProxies' -Force | Out-Null

# Options (use only one)
# Checked
New-ItemProperty -Path 'HKCU:\Software\Policies\Mozilla\Firefox\Authentication\AllowProxies' -Name 'NTLM' -PropertyType DWord -Value 1 -Force | Out-Null
# Unchecked
New-ItemProperty -Path 'HKCU:\Software\Policies\Mozilla\Firefox\Authentication\AllowProxies' -Name 'NTLM' -PropertyType DWord -Value 0 -Force | Out-Null
ComputerMachine-wide setting
.reg
Windows Registry Editor Version 5.00

[HKEY_LOCAL_MACHINE\Software\Policies\Mozilla\Firefox\Authentication\AllowProxies]

; Options (use only one)
; Checked
"NTLM"=dword:00000001
; Unchecked
"NTLM"=dword:00000000
CMD
:: Options (use only one)

:: Checked
reg add "HKLM\Software\Policies\Mozilla\Firefox\Authentication\AllowProxies" /v "NTLM" /t REG_DWORD /d 1 /f
:: Unchecked
reg add "HKLM\Software\Policies\Mozilla\Firefox\Authentication\AllowProxies" /v "NTLM" /t REG_DWORD /d 0 /f
PowerShell
# Common: create the key
New-Item -Path 'HKLM:\Software\Policies\Mozilla\Firefox\Authentication\AllowProxies' -Force | Out-Null

# Options (use only one)
# Checked
New-ItemProperty -Path 'HKLM:\Software\Policies\Mozilla\Firefox\Authentication\AllowProxies' -Name 'NTLM' -PropertyType DWord -Value 1 -Force | Out-Null
# Unchecked
New-ItemProperty -Path 'HKLM:\Software\Policies\Mozilla\Firefox\Authentication\AllowProxies' -Name 'NTLM' -PropertyType DWord -Value 0 -Force | Out-Null

SPNEGO

REG_DWORDUserComputer
…\Software\Policies\Mozilla\Firefox\Authentication\AllowProxiesHKCU\Software\Policies\Mozilla\Firefox\Authentication\AllowProxies Current key
HKLM\Software\Policies\Mozilla\Firefox\Authentication\AllowProxies
Checked
1
Unchecked
0
Element
Allow SPNEGO to automatically authenticate with proxy servers
Value type
REG_DWORD
Apply with .reg · CMD · PowerShell
UserPer-account setting
.reg
Windows Registry Editor Version 5.00

[HKEY_CURRENT_USER\Software\Policies\Mozilla\Firefox\Authentication\AllowProxies]

; Options (use only one)
; Checked
"SPNEGO"=dword:00000001
; Unchecked
"SPNEGO"=dword:00000000
CMD
:: Options (use only one)

:: Checked
reg add "HKCU\Software\Policies\Mozilla\Firefox\Authentication\AllowProxies" /v "SPNEGO" /t REG_DWORD /d 1 /f
:: Unchecked
reg add "HKCU\Software\Policies\Mozilla\Firefox\Authentication\AllowProxies" /v "SPNEGO" /t REG_DWORD /d 0 /f
PowerShell
# Common: create the key
New-Item -Path 'HKCU:\Software\Policies\Mozilla\Firefox\Authentication\AllowProxies' -Force | Out-Null

# Options (use only one)
# Checked
New-ItemProperty -Path 'HKCU:\Software\Policies\Mozilla\Firefox\Authentication\AllowProxies' -Name 'SPNEGO' -PropertyType DWord -Value 1 -Force | Out-Null
# Unchecked
New-ItemProperty -Path 'HKCU:\Software\Policies\Mozilla\Firefox\Authentication\AllowProxies' -Name 'SPNEGO' -PropertyType DWord -Value 0 -Force | Out-Null
ComputerMachine-wide setting
.reg
Windows Registry Editor Version 5.00

[HKEY_LOCAL_MACHINE\Software\Policies\Mozilla\Firefox\Authentication\AllowProxies]

; Options (use only one)
; Checked
"SPNEGO"=dword:00000001
; Unchecked
"SPNEGO"=dword:00000000
CMD
:: Options (use only one)

:: Checked
reg add "HKLM\Software\Policies\Mozilla\Firefox\Authentication\AllowProxies" /v "SPNEGO" /t REG_DWORD /d 1 /f
:: Unchecked
reg add "HKLM\Software\Policies\Mozilla\Firefox\Authentication\AllowProxies" /v "SPNEGO" /t REG_DWORD /d 0 /f
PowerShell
# Common: create the key
New-Item -Path 'HKLM:\Software\Policies\Mozilla\Firefox\Authentication\AllowProxies' -Force | Out-Null

# Options (use only one)
# Checked
New-ItemProperty -Path 'HKLM:\Software\Policies\Mozilla\Firefox\Authentication\AllowProxies' -Name 'SPNEGO' -PropertyType DWord -Value 1 -Force | Out-Null
# Unchecked
New-ItemProperty -Path 'HKLM:\Software\Policies\Mozilla\Firefox\Authentication\AllowProxies' -Name 'SPNEGO' -PropertyType DWord -Value 0 -Force | Out-Null