This guide will walk you thru the steps to managing IP security inside the DaFeeder.
You can find IP Authorization Settings by navigating to SYSTEM >> AUTHORIZATION.
To lock down an IP in the DaFeeder click on 
To add an IP click on Add IPv4 Address and enter the IP address and a description if needed. To remove simple click Remove and before exiting click Save Changes to apply changes.
See the following as an example:
