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Botframework Web Application Azure IDX20803: Unable to obtain configuration from: '[PII is hidden]

We have a issues with our bot
It was working fine during the last 4 months without any errors.
But today we receive the relevant error :
2018-12-17T17:50:25 PID[5736] Error
Error refreshing OpenId configuration: System.InvalidOperationException:
IDX20803: Unable to obtain configuration from: '[PII is hidden]'.
---> System.IO.IOException: IDX20804: Unable to retrieve document from: '[PII is hidden]'.
---> System.Net.Http.HttpRequestException: An error occurred while sending the request.
---> System.Net.WebException: The underlying connection was closed: An unexpected error occurred on a send.
---> System.IO.IOException: Unable to read data from the transport connection: An existing connection was forcibly closed by the remote host.
---> System.Net.Sockets.SocketException: An existing connection was forcibly closed by the remote host
The complete log file was shown at this link : https://pastebin.com/ZLx9G9W7
I think it's a exception due too IIS configuration but we have not changed anything on that.
Thanks you in advance.

Okay I have had a phone call with an engineer from Microsoft. They told me BotFramework doesn't support TLS 1.0 anymore and we have to migrate to version 1.2. They have anounced this in a blog post: https://blog.botframework.com/2018/11/06/announcement-azure-bot-service-enforcing-transport-layer-security-tls-1-2/
My bot was fixed by adding this line in the startup code (in my case it was Application_Start in Global.asax.cs):
System.Net.ServicePointManager.SecurityProtocol = System.Net.SecurityProtocolType.Tls12;

I know this post is quite old, but I just ran into this exact error message yesterday with an Azure App Service (Bot Framework v4.15):
Exception: System.InvalidOperationException: IDX20803: Unable to obtain configuration from: 'https://login.botframework.com/v1/.well-known/openidconfiguration'.
The issue was that the App Service had lost the ability to resolve DNS. This was confirmed by opening the Kudu Debug Console and running:
nameresolver.exe login.botframework.com (and any other hostname)
Unfortunately, this was a temporary outage of some sort on Microsoft's end (currently being investigated with MS support). I had to deploy a separate plan and App Service in order to restore service. Frustratingly, the broken App Service started magically working again the next morning.

What would cause AmqpException in azure wcf relay?

I am logging the connection status events with the wcf relay, and I'm seeing something like this in the logs.
1/26 06:47:12 ERROR Service Bus ConnectionStatus: 'Reconnecting' Event. [(null)][42]
LastError: System.ServiceModel.CommunicationException: Exception of type 'System.ServiceModel.CommunicationException' was thrown. ---> Microsoft.ServiceBus.Messaging.Amqp.AmqpException: An AMQP error occurred (condition='amqp:unauthorized-access').
--- End of inner exception stack trace ---
This exception doesn't show up in the list on this microsoft page, and the only other post I can find anywhere related to this error message is here. However, that post does not have any recent comments or a resolution or workaround for the issue. Also, the exception doesn't have any stacktrace, so how am I supposed to troubleshoot this error?
I guess as a follow-up, I would ask whether this is anything to actually worry about if the wcf connection is never faulting.

Apparently, the token that the relay keeps refreshing to stay active requires the time on the server to match the azure service that it is connecting with, and if not, this type of error will show up. We were able to fix it by correcting the server time.

Connecting QuickBooks using C#

when i am trying to connect to quick books using the provided API, i am getting the following error on stack trace
"Fault Exception of type: AUTHENTICATION has been generated."}
I am using the API's provided by quick books. I have done a dummy set-up on trial site although it does't gives any error while connecting. But while retrieving the data it gives authentication error.

enabling ssl for WCF

I'm trying to enable ssl for my WCF, I'm doing exact steps from this tutorial:
https://github.com/geersch/WcfEnableSsl
I even tried to run example application (https://github.com/geersch/WcfEnableSsl)
but in my app and in the example app i get
fault exception was unhandled
The server was unable to process the request due to an internal error. For more information about the error, either turn on IncludeExceptionDetailInFaults (either from ServiceBehaviorAttribute or from the <serviceDebug> configuration behavior) on the server in order to send the exception information back to the client, or turn on tracing as per the Microsoft .NET Framework SDK documentation and inspect the server trace logs.
at this line
var customers = proxy.GetCustomers();
can anyone help with this?
EDIT
I added a printscreen of an error with details

ASP.NET C# Silly error when reaching for RSS XML File on the web

I'm making a webform that will go to a site, grab the rss feeds in xml format and read them into a XmlTextReader to be formated and displayed in my site.
I have this line which takes care of the reaching the other site
XmlTextReader reader = new XmlTextReader(#"http://www.wired.com/threatlevel/feed/");
When I run this from my localHost it runs fine. But once it gets publish on a 1and1 server it fails with the following error.
A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond 72.246.94.16:80
Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.
Exception Details: System.Net.Sockets.SocketException: A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond 72.246.94.16:80
Source Error:
An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below.
Any ideas what can it be?
Many Thanks!

You're probably being blocked by an outbound firewall at 1&1.
Contact 1&1 and ask them to disable it, or switch to a better host. (you get what you pay for)