[FlyingMongoose]

Steambans and Sharedbans are for large worldwide bans of cheaters, anyone banned on those networks (which is what they are) are banned on all servers within that network.

This particular plugin allows for 2 or more of your OWN servers to hold it's own private ban database (basically someone broke your rules now they're banned from all your servers)

There's no reason to run this on an individual server.