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How to resolve the "Could not create SSL/TLS secured channel" error when running dashboard embedded application?
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An error "Could not create SSL/TLS secure channel" arises occasionally while executing the ASP.NET application when a client is unable to establish a secure connection with a server using the SSL or TLS protocol.
Steps to resolve the error "Could not create SSL/TLS secure channel":
1. In the embedded application, open the file HomeController.cs, navigate to the GetToken() method, and add the below setting.
System.Net.ServicePointManager.SecurityProtocol = System.Net.SecurityProtocolType.Tls | System.Net.SecurityProtocolType.Tls11 | System.Net.SecurityProtocolType.Tls12;
Here is the code snippet of GetToken method with the above line added.
public Token GetToken()
{
using (var client = new HttpClient())
{
System.Net.ServicePointManager.SecurityProtocol = System.Net.SecurityProtocolType.Tls | System.Net.SecurityProtocolType.Tls11 | System.Net.SecurityProtocolType.Tls12;
client.BaseAddress = new Uri(EmbedProperties.RootUrl);
client.DefaultRequestHeaders.Accept.Clear();
var content = new FormUrlEncodedContent(new[]
{
new KeyValuePair<string, string>("grant_type", "embed_secret"),
new KeyValuePair<string, string>("Username", EmbedProperties.UserEmail),
new KeyValuePair<string, string>("embed_secret", EmbedProperties.EmbedSecret)
});
var result = client.PostAsync(EmbedProperties.RootUrl + "/api/" + EmbedProperties.SiteIdentifier + "/token", content).Result;
string resultContent = result.Content.ReadAsStringAsync().Result;
var response = JsonConvert.DeserializeObject<Token>(resultContent);
return response;
}
} 2. Now, build and run the ASP.NET MVC embedded application to render the dashboard.
Related Links
- To know more about JavaScript embedding and to download and run the ASP.NET MVC sample.
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