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The request was aborted: Could not create SSL/TLS secure channel.
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We use Proget for rubygems and yesterday it stoped to work. When I try to search gems in "Feeds" of Proget UI, there is an error "The request was aborted: Could not create SSL/TLS secure channel." If I try to install gems bypass of Proget, all works ok. So it can't be our network issues I guess.
Product: ProGet
Version: 5.0.13
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Take a look at https://inedo.com/support/questions/8876
Related to TLS v1.2 I think
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The error is generic and there are many reasons why the SSL/TLS negotiation may fail. ServicePointManager.SecurityProtocol property selects the version of the Secure Sockets Layer (SSL) or Transport Layer Security (TLS) protocol to use for new connections; existing c# connections aren't changed. Make sure the ServicePointManager settings are made before the HttpWebRequest is created, else it will not work. Also, you have to enable other security protocol versions to resolve this issue:
ServicePointManager.Expect100Continue = true;
ServicePointManager.SecurityProtocol = SecurityProtocolType.Tls12
SecurityProtocolType.Tls
SecurityProtocolType.Tls11
SecurityProtocolType.Ssl3;//createing HttpWebRequest after ServicePointManager settings
HttpWebRequest request = (HttpWebRequest)WebRequest.Create("https://google.com/api/")If you create HttpWebRequest before the ServicePointManager settings it will fail and shows the error message.