With the default Lawful Intercept configuration, when a filter entry is used as a Lawful Intercept (LI) mirror source criteria/entry, all subsequent attempts to modify the filter are then blocked to avoid having the LI session impacted by a non-LI user.
A configurable LI parameter allows an LI user to control the behavior of filters when they are used for LI.
Configuration of the li-filter-lock-state allows an operator to control whether modifications to filters that are being used for LI are allowed by no users, all users or li users only.