The following appSettings entries can be defined in the .config file to override the default settings.

<!--Set the download block size. Default set to 16k bytes -->
<add key="bufferSize" value="16"/>
 
<!--Set the maximum retry value. If the maxRetry value is 0 the download operation will be tried only once. Default value is set to 3 -->
<add key="maxRetry" value="3"/>

<!-- Should the indexing for file names start at 0? Set to false for indexing that starts at 1. Default is to start at 0. -->
<add key ="zeroBasedIndexing" value="true"/>

The FuseIT.G4S.SalesforceConnector section provides additional control of how the application interacts with the Salesforce APIs

<FuseIT.G4S.SalesforceConnector>
  <!--
  timeOutMilliseconds:
   Indicates the time an XML Web service client waits for a synchronous XML Web service
   request to complete (in milliseconds).

 clientId:
   Partner application API token (Case sensitive). Required to work with Professional Edition orgs.

 uploadBatchSize:
  The maximum number of records that can be sent to Salesforce in an upload operation.
  This limit is defined by Salesforce.

 allowExistingSObjectsWithoutId:
  Can an existing sObject be created without the ID?
  -->

  <binding timeOutMilliseconds="120000" clientId="" uploadBatchSize="200" allowExistingSObjectsWithoutId="true"/>
    <!-- Config to explicitly set the System.Net.ServicePointManager.SecurityProtocol -->
    <securityProtocols>
      <!-- System.Net.SecurityProtocolType -->
      <securityProtocol securityProtocolType="Tls" />
      <securityProtocol securityProtocolType="Tls11" />
      <securityProtocol securityProtocolType="Tls12" />
    </securityProtocols>
    <!-- Speedup Keyprefix lookups for known values -->
    <keyPrefixes>
      <add key="Lead" value="00Q"/>
      <add key="Contact" value="003"/>
      <add key="User" value="005"/>
      <add key="Organization" value="00D"/>
    </keyPrefixes>
</FuseIT.G4S.SalesforceConnector>