https://learn.microsoft.com/de-de/dotnet/api/system.net.httpwebrequest.servercertificatevalidationcallback?view=netframework-4.8.1&viewFallbackFrom=net-10.0
HttpWebRequest.ServerCertificateValidationCallback Property (System.Net) | Microsoft Learn
Gets or sets a callback function to validate the server certificate.
property systemnet microsoftlearn