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What is the antiforgery token could not be decrypted?
“The anti-forgery token could not be decrypted. If this application is hosted by a Web Farm or cluster, ensure that all machines are running the same version of ASP.NET Web Pages and that the configuration specifies explicit encryption and validation keys.
What is anti-forgery token?
To help prevent CSRF attacks, ASP.NET MVC uses anti-forgery tokens, also called request verification tokens. The client requests an HTML page that contains a form. One token is sent as a cookie. The other is placed in a hidden form field. The tokens are generated randomly so that an adversary cannot guess the values.
Do anti-forgery tokens expire?
2 Answers. The cookie token, that actually can expire is redundant and not necessary for the system except for the case where an anonymous authentication is tried.
Why we use HTML AntiForgeryToken ()?
This is to prevent Cross-site request forgery in your MVC application. This is part of the OWASP Top 10 and it is vital in terms of web security. Using the @Html. AntiforgeryToken() method will generate a token per every request so then no one can forge a form post.
What is request verification token?
What is AntiForgeryToken in Web API?
Adding an AntiForgeryToken generates a Cryptographically valid hash at the server end which is split and a part is added as a hidden field, whereas the rest goes into a cookie. When data is posted, the Cookie and the Hidden Field are both sent back and if they are missing or they don’t match, the POST is rejected.
Is the anti forgery token could not be decrypted?
The anti-forgery token could not be decrypted. If this application is hosted by a Web Farm or cluster, ensure that all machines are running the same version of ASP.NET Web Pages and that the configuration specifies explicit encryption and validation keys. AutoGenerate cannot be used in a cluster.
How to create anti forgery token in ASP.NET?
The Microsoft.AspNetCore.DataProtection.EntityFrameworkCore NuGet package must be added to the project file Add MyKeysConnection ConnectionString to your projects ConnectionStrings in appsettings.json > ConnectionStrings > MyKeysConnection. Add MyKeysContext class to your project.
Why is antiforgery not persisted in.net core?
I haven’t confirmed but its possible nature of the LXC hosting means .net core cannot persist the identity of the app. I’ve had this because I started using the application on a localhost port and then was trying to use it in docker with the same port.