Not everyone knows that IIS (Internet Information Services), the webserver included in Windows Server, offers the possibility to perform mutual authentication using SSL certificates. You probably saw that, within the site’s SSL configuration, you can require an SSL client certificate to the client that is connecting: in this case, IIS only verifies that the submitted certificate…
Today I faced a problem during the setup of a new application: if I opened a browser and entered the URL of the application, I got the following error message To be able to identify the root cause of the error, I found a new feature added in the latest versions of Microsoft IIS (Internet Information Services):…
On IIS you can define custom error pages for the different HTTP error codes (for example the code 404 stands for “page not found”). Today I needed to revert the custom error pages to the default ones for a subsite: You can remove the custom configuration forcing the inheritance. Open the Configuration Editor: Choose system.webServer/httpErrors as Section, right-click…