In this tutorial, I will explain how to sign your scripts. Before going into the subject, we will see why signing the scripts, the main reason is security. If your environment (computers + servers) is configured to run only signed scripts and a PowerShell script is launched in a malicious file, it will be neutralized …
In this tutorial, I will explain how to delete a DFS namespace on Windows Server. In the vast majority of cases, you won’t normally need this tutorial 😉 Although this operation is relatively simple to perform using the graphical interface, it sometimes happens that it does not go as planned, especially if you have planned …
In this “How To” tutorial, I will explain how to delete a DNS record on Windows Server with the DNS Manager console. Delete a DNS record Open the DNS Manager console On a server where the DNS Manager console is installed, open it and go to the zone where you want to delete the record. …
In this tutorial, I will explain how to change the password of the KrbTgt account. Before explaining how to change the password of this account, I will give you some explanations. Who is krbtgt? The krbtgt account is a disabled service account in the Active Directory, which is used for the distribution of Kerberos Tickets, …
In this tutorial, we will address a security point on an Active Directory environment, which is the domain joining of computers. What you need to know (some administrators don’t know this), all domain users can join a computer to a domain, they can even join up to 10 computers. Domain administrators have no limit as …
In this tutorial, I will explain how to force DNS registration of computers by Group Policy (GPO) in an Active Directory environment. Maintaining a clean, up-to-date DNS (Active Directory) zone is not easy, especially with dynamic computer registration. The first step is the activation of automatic cleaning, but it happens that once this is activated, …
In this tutorial, I will explain how by Group Policy (GPO) in an Active Directory environment, block the launch of programs and prevent the installation of certain software with the software restriction policy. By default, if the users are not administrator (local) of the computer, it is not normally possible to install programs, on the …
In this tutorial dedicated to Active Directory and security, I will give you some tips to harden the level of security in order to be less vulnerable to attacks. The different configuration points, which will be discussed, simply allow attacks to be made more difficult and longer internally, in no way will they guarantee that …
In this “troubleshooting”, I will explain how to remove the Remote Installation Services settings that are configured on the Default Domain Policy. On Active Directory domains, which were created with an older version of Windows Server (2003), User settings are configured (Policies / Windows Settings / Remote Installation Services / Client Installation Wizard Options). Custom …
For companies that use firefox as a browser, it was difficult to control due to the lack of admx file and the implementation of policies required scripts to copy the settings file. Since May 2018, firefox has officially offered ADMX files in order to be able to set up group policies (GPO) to configure Firefox …