How do you take advantage of serving AVIF image from IIS server? For simplicity sake, since the setup is very similar to serving WebP format, I'm going to use the same screenshot illustrations from that post. The problem with using IIS Server is by default IIS does not recognize AVIF as an image type so it cannot correctly render it on the page even if the browser can support it. Using a … [Read more...]
How to Force HTTPS in IIS
This is a short tutorial on how to force an HTTPS connection to your website in IIS. The way we do it is by adding a URL Rewrite rule that will redirect any unsecured incoming traffic to HTTPS. Steps The first step you need to check is if you have URL Rewrite module installed. If you don't have it installed, you can download it from the link at the bottom of this post. You can either use … [Read more...]
How to Solve Intermittent 403 Error in IIS
Symptoms You can load the page just fine, but after going through the pages quickly or by opening several tabs at once, you see a 403 error: 403 - Forbidden: Access is denied. You do not have permission to view this directory or page using the credentials that you supplied. This is a bit misleading since you might right away think that the you do not have permission to access … [Read more...]
How to Get Application Pool Identity Password With AppCmd
Typically, web application is run using ApplicationPoolIdentity on IIS. However, for various reasons, it's very common to find large corporations use service accounts to run the application pools. Sometimes the challenge comes when you need to move the website to a different server and you're not given the proper credential to set it up on the new environment. What's worse, it's also not … [Read more...]
How to Migrate IIS Websites to a Different Server
Setting up a website on IIS is very easy to do. However, it can get very tedious when we have to migrate multiple IIS websites to a new server. For a really brand new server, the easiest to migrate all those settings of course is to clone the server and then we can reconfigure the IP addresses for each web instance from IIS on the new server. But what if that option is not possible? In this … [Read more...]
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