You can add a new IP filter rule by defining the start IP and end IP (a range). If it's only a single IP address, let start and end have the same value. Valid IP addresses are from 0.0.0.0 - 255.255.255.255. The below image shows adding the new IP exclusion rule, 10.0.1.1 - 10.0.1.255.

But we want to pick up all traffic generated by the IP address 10.0.1.25:

These are the filter rules defined so far:

To delete a rule, simply click the red delete icon.