I work for a global enterprise that has around a dozen PA 7000 series FWs running between 2 & 6 vSystems each. We have many address groups with more than 500 members, and several "SuperGroups," containing two, or more, of those large groups.
|address-group||SuperGroup||contains||address-groups||1, 2, 3, 4, & 5|
Which is the best way to write a security policy for these groups:
i.e. Is combing, or nesting, groups in to super-groups OK? Is there an impact on performance, or anything else, doing this?
Is listing groups, rather than having a super-group, a better way to do it?
Is it better just to have separate rules for each group, like 3a through 3e?
The only difference in the above rules is how the source addresses are configured: in a super-group, a list of groups, or using multiple rules, one address-group per rule.
Looking forward to your replies.
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