问题
Attempting to gather dependencies information for package 'Unity.3.5.1404' with respect to project 'Web', targeting '.NETFramework,Version=v4.5.2' Attempting to resolve dependencies for package 'Unity.3.5.1404' with DependencyBehavior 'Lowest' Resolving actions to install package 'Unity.3.5.1404' Resolved actions to install package 'Unity.3.5.1404' System.Net.Http.HttpRequestException: An error occurred while sending the request. ---> System.Net.WebException: The request was aborted: Could not create SSL/TLS secure channel.
Attempting to gather dependencies information for package 'Unity.Mvc.3.5.1404' with respect to project Web', targeting '.NETFramework,Version=v4.5.2' An error occurred while retrieving package metadata for 'Unity.Mvc.3.5.1404' from source 'nuget.org'.
回答1:
Finally that is company's Lan Net ban the connect.
来源：https://stackoverflow.com/questions/31935161/vs2015-nuget-install-error-with-ssl-tls