WCF/WF - Connection actively refused - Asked By karur krishna madhu on 25-Feb-14 05:34 AM

I have developed a wcf functionality as a dll and to host it i used console with the config info in that and using the base address url i added the service reference in the client web app. the problem is the service works fine but all of a sudden comes with an error "connection actively refused." i even checked the port no if it is in listening mode or not. its perfect. but i don't understand why this intermittent error comes up with .

 <service name="WcfServiceLibrary.MathService">
        <endpoint address="" binding="basicHttpBinding" contract="WcfServiceLibrary.IMathService">
          <identity>
            <dns value="localhost" />
          </identity>
        </endpoint>
        <endpoint address="mex" binding="mexHttpBinding" contract="IMetadataExchange" />
        <host>
          <baseAddresses>
            <add baseAddress="http://localhost:8900/WcfServiceLibrary/LogisticsService/" />
          </baseAddresses>
        </host>
      </service>
    </services>
Robbe Morris replied to karur krishna madhu on 25-Feb-14 08:29 AM
That message typically means a firewall somewhere blocked the connection.