Each log has a filter area that allows you to set a criteria for which log
entries to display. The ability to filter logs is useful for focusing on events
on your firewall that possess particular properties or attributes. Filter logs
by artifacts that are associated with individual log entries.
For example, filtering by the rule UUID makes it easier to pinpoint the specific
rule you want to locate, even among many similarly-named rules. If your ruleset
is very large and contains many rules, using the rule’s UUID as a filter
spotlights the particular rule you need to find without having to navigate
through pages of results.