At the moment the universal forwarder client is listening locally for deployment on port 8089, but on all interfaces present on the server, how can I limit it to a specifc interface. I've checked all settings for the deploymentclient.conf but there seems to be no setting for this.
You can set it using SPLUNK_BINDIP:
http://docs.splunk.com/Documentation/Splunk/4.2.4/Admin/BindSplunktoanIP
You can set it using SPLUNK_BINDIP:
http://docs.splunk.com/Documentation/Splunk/4.2.4/Admin/BindSplunktoanIP