| 0 | Hits | 50 | 0 | VT_COUNTER | Hits | This meter reports the number of times traffic matched an entry on the domain, URL, or IP blacklist within the collection interval. |
| 1 | Blacklist connections | 0 | 0 | VT_COUNTER | Conns | This meter reports the number of connections involving a blacklisted domain, URL, or IP address within the collection interval. |
| 2 | Unused Cardinality counter | 20 | 20 | VT_GAUGE | Uniques | This is a reserved gauge slot intended for a unique value cardinality metric. It is not currently mapped to any field for this counter group, so it remains an inactive placeholder with no data populated. |
| 3 | Unused Cardinality counter | 20 | 20 | VT_GAUGE | Uniques | This is a second reserved cardinality gauge slot with the same status as meter 2. It is inactive and not instrumented for this group. |