My application (.net 3.5 sp1) uses the HttpWebRequest to communicate with different endpoints, sometimes its over HTTPS where each hosting server may have a different securi
Set all of this. In my application it is work for different security protocols.
System.Net.ServicePointManager.SecurityProtocol = System.Net.SecurityProtocolType.Ssl3 | System.Net.SecurityProtocolType.Tls12 | SecurityProtocolType.Tls11 | SecurityProtocolType.Tls;