Category: Security

SQL Server / Windows OS losing connection to Domain Controllers

SSPI handshake failed with error code 0x80090311, state 14 while establishing a connection with integrated security; the connection has been closed. Reason: AcceptSecurityContext failed. The Windows error code indicates the cause of failure. No authority could be contacted for authentication.

Posted in Active Directory, Security, SQL Server, Windows

Active Directory and PHP on Apache on Bash on Ubuntu on Windows

Recently, I wrote about Joining Ubuntu to an Active Directory Domain. That was for an actual Ubuntu box and the plan was that the next post would be about adding Apache to the mix. But then I got distracted by

Posted in Active Directory, Apache, Linux, Security, Windows

Joining Ubuntu to an Active Directory Domain

Back in 2009, I did a whole lot of messing around with Linux and Active Directory integration, primarily for Apache. Now that Linux is coming to Windows, I figured I’d brush up on my Linux and Windows Integrated Authentication skills

Posted in Active Directory, Linux, Security

Reset-SqlSaPassword: Easily regain sa/sysadmin access to your SQL Servers

It’s obvious that I love PowerShell and SQL Server. Together, they allow SQL Server DBA’s to solve just about any problem. Most of my projects have come from questions posted in Reddit’s SQL Server subreddit, including my most recent project,

Posted in PowerShell, Security, SQL Server

Securely Administer Your Remote Windows Network using RDP over SSL

Back in 2013, I wrote a blog post about setting up RD Gateway in Windows 2012 using an AD domain certificate. This post is directed to Windows 2012 R2. There isn’t much difference, but in this tutorial, I’ll demonstrate how

Posted in Security, Windows

Setup an SSTP SSL VPN in Windows Server 2012 R2

So here’s what’s awesome about Secure Socket Tunneling Protocol SSL VPNs: they give your connecting client an IP and make it a full-on part of the network. And this is all done over port 443, a commonly used port which

Posted in Security, Windows

Super Cheap SSL Certs for Your Home Lab or Small Business

I <3 They (and probably others) sell globally recognized $5.99 annual certs. Now, all of my lab stuff (Lync/RD Gateway/NetScaler/SSL VPN) is encrypted, and I no longer have to manually install my Domain CA’s root cert on my phones/other

Posted in Security

NetScaler VPX Kinda Quick Start

Using a NetScaler within home lab is beneficial, mostly because you can use the same IP over and over for different services. Imagine providing VPN, Lync Autodiscover, Exchange Autodiscover, and SharePoint all over port 443. That’s what a NetScaler VPX

Posted in Security