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Topics#IntegrationPregunta de Admin QBP01
Admin QBP01 ha preguntado en #Integration
24 nov 2015, 13:21

Could not create SSL/TLS secure channel on API login

I have a C⌗ class connecting to the API. This has worked for about a week, today I get an exception whenever I try login via C⌗. Even adding the wsdl now throws the exception. "Could not create SSL/TLS secure channel."

I cannot figure out what needs to be changed to allow successful logins again.

URL = https://login.salesforce.com/services/Soap/u/35.0

   var binding = new SforceService { Url = CRMDiscoveryUrl };

   var lr = binding.login(CRMUserName, CRMPassword);

 
1 respuesta
  1. Daniel Ballinger (Salesforce)
    25 nov 2015, 1:29
    This is most likely related to the changes Salesforce have been making around SSL 3.0 and TLS support. See Ensuring my application complies with SSL3.0 being disabled? (http://salesforce.stackexchange.com/a/54962/102)

    You can configure .NET to use a specific security profile when creating a secure connection to the Salesforce web services.

    Try something like:

    System.Net.ServicePointManager.SecurityProtocol = 
    SecurityProtocolType.Tls | SecurityProtocolType.Tls11 | SecurityProtocolType.Tls12;

    What version of .NET are you using?

    Failing that, check the the certificates look correct when you access Salesforce.

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