If you want to cut off the incoming requests that take more than specified time from the server side, unfortunately no way to configure this in WebSphere. There is a property at the plug-in level that might be sufficient. Please see the ‘ServerIOTimeout’ property in the document at link:  http://www-01.ibm.com/support/docview.wss?uid=swg21318463

This would make it so that the plug-in cuts off the connection after 5 seconds. Please keep in mind that this request would still continue in WAS and eventually result in an IOException when it tries to write the response. This will not cause any problems, but it won’t reduce any performance impact if you’re expecting that when reducing the timeout.