The following error is being generated while exporting images from NetSuite to Magento (hosted by Nexcess) through the Integration App:
"Failed to add/remove from Magento present in Magento Product Image interalIds (403)Forbidden"
This error is specific to customers who use Nexcess as their host for Magento. During debugging, it was found that requests that were less than 10kb were successful, but any other requests that exceeded 10KB were returning the error. The resolution is to adjust the ModSecurity settings within Nexcess. For further assistance, please contact your Nexcess technical support representative directly.