From globally redundant datacenters to SMB server rooms, if it’s using PXE booting with IPv6 enabled, the admins probably have emergency patching to do. PixieFail Quarkslab published a blog post on PixeFail, a set of 9 vulnerabilities in a popular firmware component. Think “Windows is a popular user OS” levels of popular applied to firmware […]
Author: AdminRef
Break Glass Accounts – Uses & ConsiderationsBreak Glass Accounts – Uses & Considerations
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All administrators are required to use MFA (multifactor authentication) in order to access a service, but the system or service for authentication using MFA is suffering an outage. In a similar configuration, the authentication service is available, but no MFA devices are available (cell provider change impacted SMS, a device is lost/stolen/suddenly misconfigured by mistake, […]
Useful Links & RecommendationsUseful Links & Recommendations
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Last updated 2024-09-02 Nothing on this page is sponsored. All links to books will be to the Kindle versions where possible simply for speed of accessibility and my personal preference. Links Microsoft Azure Portal https://portal.azure.com/#home Intune Portal https://endpoint.microsoft.com/#home Microsoft 365 Admin Center https://admin.microsoft.com/Adminportal/Home#/homepage Email & DNS MX Toolbox https://mxtoolbox.com/EmailHeaders.aspx ICANN https://lookup.icann.org/en Email Checker – check […]
Windows Hello for Business with Microsoft Intune and CMMC/NISTWindows Hello for Business with Microsoft Intune and CMMC/NIST
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This post covers implementing Windows Hello for Business in an environment managed by Azure Active Directory and Microsoft Intune such that CMMC/NIST requirements are satisfied. According to Microsoft in a blog post from February 12, 2021, Windows Hello for Business (WHfB) with certain configurations has all the capabilities to satisfy the multifactor authentication requirement of […]
Configuring & Using a Temporary Access PassConfiguring & Using a Temporary Access Pass
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The user cannot use any of their existing MFA methods A new device needs to be configured for the user without interaction from the user but with MFA (especially a new user) Access to the user account is required as a last resort such that the user’s password is not changed Select the Configure tab […]
Fix RDP sessions freezing or black screen at logonFix RDP sessions freezing or black screen at logon
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Several causes for this issue exist, most famously the Windows 10 version 1809 & Windows 11 version 22H2 feature updates. Fix 1 This disables use of UDP on the client, forcing a TCP connection. In the client’s registry, go toHKEY_LOCAL_MACHINESOFTWAREPoliciesMicrosoftWindows NTTerminal ServicesClient Create a new DWORD value named fClientDisableUDP with data of 1 Reboot the […]
Change a network category in WindowsChange a network category in Windows
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A network category can be important for several things, but usually for Windows firewall rules. To get the current network and its category, run the following in PowerShell: Get-NetConnectionProfile To change the location category, run this in an elevated PowerShell session using the network name returned from Get-NetConnectionProfile: Set-NetConnectionProfile -Name <network name> -NetworkCategory [Public | […]
Export & import printers in Windows using printbrm.exeExport & import printers in Windows using printbrm.exe
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Printers and their associated ports and drivers can be imported and exported using the Windows native tool printbrm.exe. It’s not included in the PATH environment variable and therefore must be run with explicit reference to its path. While it’s typically used for print servers, it can also be used on workstations. Important Printbrm.exe does not […]
Quick TipsQuick Tips
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Find various short tips spanning several areas. Each tip is a bit short for its own post, but may be expanded or incorporated into one.
Hello world!Hello world!
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Welcome to WordPress. This is your first post. Edit or delete it, then start writing!