Target multiple ASP.NET versions with AppCmd.exe
Did you know you can target both x86 and x64 versions of ASP.NET with AppCmd.exe?
Fix "Could not establish trust relationship for the SSL/TLS secure channel" error
Here is how to resolve the ASP.NET exception "System.Net.WebException: The underlying connection was closed: Could not establish trust relationship for the SSL/TLS secure channel."
ASP.NET performance: what to keep in mind
A lot of information is available on this subject. In this post I'll share some valuable posts, and I continue to update this post when I find something new. Posts about ASP.NET performance I frequently pass on to customers so they can improve their ASP.NET web applications.
How to send authenticated SMTP over a TLS encrypted connection, in PHP, ASP and ASP.NET?
Learn how to send email securely from your website using TLS with ASP.NET, PHP, WordPress and Classic ASP!
MySQL Connector/NET and Entity Framework
How to let MySQL Connector/NET and [Entity Framework](https://learn.microsoft.com/en-us/aspnet/entity-framework) play nicely. This blog post is a quicky and an oldy… Since we still receive a reasonable amount of questions about this topic at the customer service of my employer I'm posting this here, with some commonly made mistakes and points of attention.
Multiple IIS 6.0/7.5 Vulnerabilities
Multiple vulnerabilities found in IIS 6.0 and 7.5 web servers and reported to the Full-Disclosure mailinglist by Kingcope. I took some time to test the various vulnerablities.
"System.Web.HttpException (0x80004005): The URL-encoded form data is not valid." error after MS11-100
After applying MS11-100, an out-of-band security update for ASP.NET to mitigate an ASP.NET Denial of Service vulnerability, you may experience the errors comming from .NET web applications
WCF Service error: "This collection already contains an address with scheme http."
\"This collection already contains an address with scheme http. There can be at most one address per scheme in this collection.\" is a Windows Communication Foundation (WCF) error message indicating you are trying to add an already existing binding. By default the web service listens to all in IIS configured host headers. A host header is the website address, for example example.com and 'www.example.com'. If this is not correctly added to the `web.config` file, the following error is thrown...
Umbraco CMS admin password reset
Did you forget your Umbraco admin password? Use the following SQL query to reset your Umbraco admin password in SQL Server Management Studio (SSMS) or MySQL
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