192: Specifies the TLS 1.0 security protocol.NET Framework 4.5's version of the SecurityProtocolType enum: The 'magic' values 3072 and 768 are taken from. TLS 1.1 is deprecated along with 1.0, but if you want to enable it as well, you can use this line instead (not recommended): ServicePointManager.SecurityProtocol = (SecurityProtocolType)3072 | (SecurityProtocolType)768 Without the above line, the TLS test page says that I'm using TLS 1.0, which is. NET Framework 3.5 that fetches this HTML page: NET Framework 3.5: ServicePointManager.SecurityProtocol = (SecurityProtocolType)3072 I have just verified that this is all you need in your code to enable support for TLS 1.2 in. I applied this solution and it worked for me. Add code to your project as specified in the link - Developer Guidance section.'SystemDefaultTlsVersions'=dword:00000001ĭouble click on the file and click Yes on the window to allow changes Open with text editor and add following text to each key (this is for 64-bit operating system) and save changes (for 32-bit operating system look at the info in the link).Make copy of the saved files and rename them.reg extension (keep them as your backup in case you need to restore them) Right click on the registry key and click Export.

Install Support update for TLS in Framework 3.5 from here:.

So we have to force PowerShell to use TLS 1.You can make TLS 1.2 work with Framework 3.5.

This is why it cannot establish a secure session with as that site doesn’t ’talk’ TLS 1.0 only TLS 1.2. - will accept TLS 1.0 through to TLS 1.2 īy default PowerShell will use TLS 1.0 when using Invoke-WebRequest.Each site has different SSL / TLS protocols that it will accept: We are obviously dealing with two different websites here and not pages on a single website. I decided to look at the SSL / TLS protocols for the pages using SSL Labs SSL online test and found the following: This caught me by surprise as I was retrieving other Yubico website pages, such as, without issue. Going through each package I came across an issue with Yubico Authenticator while retrieving the downloads page using Invoke-WebRequest Recently I’ve begun to move the Chocolatey packages I maintain from manual to automatic updating.

Test tls 1.2 in .net framework