title: Timeout error for AWS SNSClient Publish request
body: <p>Here is the piece of code :</p>
  
  <pre><code>                        //Publishing the topic
                          snsClient.Publish(new PublishRequest
                          {
                              Subject = Constants.SNSTopicMessage,
                              Message = snsMessageObj.ToString(),
                              TopicArn = Settings.TopicArn
                          });
  </code></pre>
  
  <p>I am getting the below error :</p>
  
  <blockquote>
    <p>The underlying connection was closed: A connection that was expected
    to be kept alive was closed by the server.</p>
  </blockquote>
  
  <p>And here is the screenshot of detailed error:
  <a href="https://i.stack.imgur.com/pKCq6.jpg" rel="noreferrer"><img src="https://i.stack.imgur.com/pKCq6.jpg" alt="enter image description here"></a></p>
  
  <p>But not able to get an idea how to solve this. Any hint or link will helpful.</p>