Microsoft – DNS – “Windows DNS Server Remote Code Execution Vulnerability” – CVE-2020-1350 – Remediation – Application – Patch

Background Patching the DNS Vulnerability via application code. Lineage Microsoft – DNS – “Windows DNS Server Remote Code Execution Vulnerability” – CVE-2020-1350 – Remediation – Configuration – Registry Link Remediation Microsoft Advisory Documentation The advisory for the Security vulnerability is available @ Security Update Guide > Details CVE-2020-1350 | Windows DNS Server Remote Code Execution … Continue reading Microsoft – DNS – “Windows DNS Server Remote Code Execution Vulnerability” – CVE-2020-1350 – Remediation – Application – Patch

Microsoft – DNS – “Windows DNS Server Remote Code Execution Vulnerability” – CVE-2020-1350 – Remediation – Configuration – Registry

Background In the last week or so, Microsoft released an advisory relating to a security vulnerability within its DNS Server.   Security Vulnerability Remote Code Execution Vulnerability What is What is a "Remote Code Execution Vulnerability"? Most applications have an interface that accepts input ( command and data ) from the end-user. If the end-user … Continue reading Microsoft – DNS – “Windows DNS Server Remote Code Execution Vulnerability” – CVE-2020-1350 – Remediation – Configuration – Registry

Microsoft – DNS Server – Disabling Recursion

Background I will like to start a series of articles on how to harden a Microsoft DNS Server. Before we dig in too deep let us first start talking about the weeds out there. What prompts us Reviewing the MS Windows Event Viewer discovered entries that looks like this: Textual: Image: Data Since we are … Continue reading Microsoft – DNS Server – Disabling Recursion

Microsoft – DNS – Query Tool – NSLookup – Error Message – *** Can’t find server name for address w.x.y.z: Non-existent domain

Introduction This is an easy one. As I researched for another post, I was trying to use nslookup from the command line, but getting this error. Error Description So my query looks like this: Syntax: Sample:   Error: Problem Resolution Traced the problem back to a missing reverse IP Address for the referenced DNS Server. … Continue reading Microsoft – DNS – Query Tool – NSLookup – Error Message – *** Can’t find server name for address w.x.y.z: Non-existent domain

Microsoft – DNS Server – Promoting Secondary DNS Server

Introduction My Active Directory Server has being down for a couple of weeks or so.  My friend, who helps me repair computers, says that it is the same capacitor problem that besieges this particular Dell Model. It looks like it will take a while to get it back up. Problem Diagnosis I was hoping that … Continue reading Microsoft – DNS Server – Promoting Secondary DNS Server