How to post data to specific URL using WebClient in C#
I just found the solution and yea it was easier than I thought 🙂 so here is the solution: it works like charm 🙂
webclient
Getting “Handshake failed…unexpected packet format” when using WebClient.UploadFile() with “https” when the server has a valid SSL certificate
You have to make sure the port you are connecting to is port 443 instead of port 80. Example of explicitly setting the port to be used in the URL: