The resource you are looking for has been removed, had its name changed, or is temporarily unavailable. 404.63.0

Azure App Service Environment
Azure App Service Environment

I was troubleshooting this issue on an Azure App Service (ASE) and found the 404 was actually a 404.63.0 which translates into “Site not found: Hostname lookup failed, we are probably under attack”.  The interesting thing was that it was only reproducible randomly and after I sat an hit the F5 or refreshed the page…

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TLS on Azure App Services

SSL TLS Certificate Benjamin Perkins
SSL TLS Certificate Benjamin Perkins

I wrote this article some time ago “How to disable TLS 1.0 on an Azure App Service Web App” that explains some of the reasons TLS was not configurable on the Azure App Service platform.  There were many customers who wanted to disable TLS 1.0 so they could remain or become PCI compliant and at…

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What Root Certificates exist on an Azure App Service, CA Root

SSL TLS Certificate Benjamin Perkins
SSL TLS Certificate Benjamin Perkins

As you may already know SSL/TLS is offloaded on the Front Ends (*) and this is where certificate root chains are validated (AFAIK).  There is no way for you to access those machines to dump out what CAs are there.  The next, or closest thing I can think of is to dump them out via…

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Why is my Azure App Service down?

Azure App Service Benjamin Perkins
Azure App Service Benjamin Perkins

Why is my Azure App Service Slow?  Why does my Azure App Service consume so much CPU?  Why does my Azure App Service consume so much memory?  Why does my Azure App Service restart?  Why does my Azure App Service open so many TCP connections? If you have ever asked any of those questions, look…

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Installing Procdump for Linux

Linux Benjamin Perkins
Linux Benjamin Perkins

Since I support Azure App Services and there is a influx of customers who want to use the Azure App on Linux stack, I felt it prudent to get my feet wet with Ubuntu.  Learning some #Bash too while I’m at it.  #Linux The instructions on how to do this already exist here, so I…

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How to disable preloadEnabled on an Azure App Service

ASP.NET Benjamin Perkins
ASP.NET Benjamin Perkins

I wrote this article here that describes the requirements for creating an XDT file which will allow the configuration of attributes that must happen in the applicationHost.config file.  As you know, you cannot simply / directly make a change to that file (applicationHost.config) on the Azure App Service, you have to extend it via this…

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Quick way to deploy an Azure App Service from Visual Studio

Visual Studio
Visual Studio

This article has most to do with #AzureGermany #GermanCloud however the approach can be used in all Azure platforms. The point here is that there are numerous steps one must take in order to configure Visual Studio to connect to non-Public Azure instance.  I mentioned some of those requirements here and here. There is also…

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