Blocking success rate is too low.
From WFilter Documents and Tutorials
1 Reason
You will get this message when WFilter detects a low blocking success rate. This indicates a deployment issue.
2 Solution
- If you have multiple VLANs, please make sure the blocking adapter of WFilter belongs to the "management vlan", which is able to reach other VLANs.
- Do not use a same blocking adapter as the monitoring adapter, please check: When shall you use two network adapters in the WFilter server?
