I have a dotnet framework application which performs POST api requests to a remote server running Apache. It intermittently fails with the error: The underlying connection was closed: A connection ...

I am working on an ASP.NET Core 2.0 API and my API needs to make calls to another, 3rd party, REST API to upload and retrieve files and get file lists and status information. I will be hosting the ...

I'm rewriting some web handling code in WinForms and switching from HttpWebRequest to HttpClient. There's one last thing I require that I cannot seem to find out how to accomplish. In HttpWebReque...

We are using HttpClient to send requests to remote Web API in parallel: public async Task<HttpResponseMessage> PostAsync(HttpRequestInfo httpRequestInfo) { using (var httpClient = new HttpC...

I'm working on resolving this bug: https://github.com/openstacknetsdk/openstack.net/issues/333 The issue involves a ProtocolViolationException with the following message: Chunked encoding uploa...

Why System.Net.ServicePoint.ConnectionLimit uses '7FFFFFFF' (Int32.MaxValue/2147483647) when a client connects to a service on 'localhost', whereas it decide to use '2' as default if the service is...

I have an ASP.NET 3.5 server application written in C#. It makes outbound requests to a REST API using HttpWebRequest and HttpWebResponse. I have setup a test application to send these requests on...

I am working on a link checker, in general I can perform HEAD requests, however some sites seem to disable this verb, so on failure I need to also perform a GET request (to double check the link is...

When would you need to adjust these two settings (below)? And what do these two numbers mean for HttpWebRequest instances that I make? System.Net.ServicePointManager.DefaultConnectionLimit System...