Couldnt create ssl/tls secure channel

Net Class Library is based on 4. After the website is updated and will not support old browsers which are not TLS v1. Getting the error .

This post may contain affiliate links. If you make a purchase through links on our site, we may earn a commission. This can arise from a variety of issues, such as an outdated security certificate on the server. In this post, you will learn about the causes and solutions to this error. Read on to find out. This often arises from various issues, such as an outdated security certificate on the server.

Couldnt create ssl/tls secure channel

So i'm creating an api to sign documents and then connect them to Globalsign. I can do the request perfectly on my windows 10pc. However when i try it on the windows server it gives the error that's in the title. If anyone has a clue what i should do i'd appreciate it. The general cause of this error is that the client your code and server GlobalSign cannot agree on an SSL protocol and algorithm. You're using TLS 1. NET Framework or Core. But you need to look at the algorithms being used as well. Your code mostly lines up with code we are using on a Server to talk to GlobalSign. So remove the protocol version and see if that helps. I'm assuming here your certificate is actually valid as well. If this is a web app note that the app pool would need to be granted permissions to read the certificate which would need to be installed on the machine, not user store. You should verify that you're correctly retrieving the certificate when making the call. Also note that your call is recreating an HttpClient each time and that is bad.

If anyone has a clue what i should do i'd appreciate it. Net Class Library is based on 4. Did you update the code to eliminate the continual creation of the HttpClient to avoid resource leaks that will cause the calls to start failing?

These are the steps I have done to install the certificate and configure it in the Service Center:. Imported the pfx certificate into mmc; 2. Exported the. Configured the Integration certificate to this new file in Service Center. It seems that the certificate information you gave is about your client certificate given that you have a private key. I don't think the error has to do at all with configuring your client certificate, I would've expected a "Remote host closed connection" or the like if that was the problem. In Service Studio configure the service "Authentication" property to Basic Authenticationand specify user credentials username and password.

NET 4. Recently, a legacy ASP. The exception, or at least an inner exception within it, was:. In fact, that was true. One solution to this is to recompile your website either specifying a default or targeting. According to the Microsoft. To make the change, I simply had to run the two commands below in an elevated PowerShell prompt on the server.

Couldnt create ssl/tls secure channel

Net application developed in. Net Framework 4. The other application was developed in JAVA so the. Net application was trying to access the java application securely.

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NET software framework. It allows it to be reused in subsequent connections. This speeds up the connection process and reduces the risk of this error occurring. Cheong00 3, Reputation points. Create the client early in your app's startup, set the base URL, retrieve the cert and attach it to the client. Thanks for sharing the command that got you successful results. Sort by: Most helpful Most helpful Newest Oldest. A security certificate has an expiration date, and when that date passes, the certificate is no longer considered valid. Thank you again for your answer. Getting the error -. Thank you for reaching out. Mailing Address. I can do the request perfectly on my windows 10pc. Configured the Integration certificate to this new file in Service Center.

Net Class Library is based on 4. After the website is updated and will not support old browsers which are not TLS v1. Getting the error -.

GetBytes requestBodyString ; request. Also, you should ensure that the certificate is not revoked. If you want to learn more, here are a couple of related articles that others also usually find to be interesting:. Thank you,. Other possible causes of the error include network issues or firewall restrictions. Thank you again for your answer. One of the things I recently changed was the SSL Cipher Suite Order, I haven't figured out if this has affected it or not just yet but this is my next point to look at if it helps. Still unable to use HtmlAgilityPack. Go to solution. Identify the root cause of the error by checking the client and server configurations and analyzing the error message and any other relevant log data.