Active Directory Kerberos KDC certificate selection

Discover the intricacies of Active Directory's Kerberos KDC certificate selection for PKINIT, including techniques for choosing a specific certificate, analysis using IDA Pro, and PowerShell cmdlets for managing certificates. This deep dive explores the challenges and solutions for ensuring the right KDC certificate is used, overcoming the unpredictability of certificate selection in Windows environments.

Marc-André Moreau published on
12 min, 2247 words

Active Directory LDAPS certificate selection deep dive

A deep dive into Active Directory LDAPS certificate selection, detailing the technical intricacies of ensuring secure communications through TLS. This guide covers the validation and selection process, including PowerShell scripts for certificate management, aiming to clarify and resolve common issues with LDAPS implementation.

Marc-André Moreau published on
9 min, 1768 words

RDP Smartcard Logon: User Name Does Not Exist

Navigate through the confusion of "the specified user name does not exist" error during RDP smartcard logon, offering insights into common misinterpretations and actionable solutions. This post breaks down error messages, suggests disabling strict KDC validation, and guides on certificate trust validation, ensuring successful authentication with practical steps and PowerShell commands.

Marc-André Moreau published on
7 min, 1359 words

PowerShell Remoting Trusted Hosts: What does it mean?

This guide demystifies the "TrustedHosts" setting in PowerShell remoting, explaining its significance and how to configure it to avoid common errors. It offers solutions for enabling remote connections, particularly when Kerberos or HTTPS isn't used, ensuring security and connectivity for non-domain-joined machines or across different domains.

Marc-André Moreau published on
8 min, 1494 words

Fix Kerberos Machine TGT Fetching on Startup

Resolve RDP NLA issues on domain-joined devices outside the corporate network by configuring a scheduled task to fetch the Kerberos machine TGT at startup. This practical solution ensures secure, remote desktop access without compromising network security, detailed with step-by-step instructions and troubleshooting tips.

Marc-André Moreau published on
2 min, 347 words

Disabling Web Proxy Auto Detect (WPAD) Correctly

Explore the correct method to disable Web Proxy Auto Detect (WPAD) in Windows to enhance security without breaking essential components. This guide clarifies common misconceptions and provides a safe approach using registry modifications, avoiding potential pitfalls associated with service deactivation.

Marc-André Moreau published on
2 min, 354 words