SquidGuard: blacklist categories, whats diff. between whitelist and allow?

[jedblack]

under the black list categories for SquidGuard in the drop down menu you see….

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Allow
Deny
Whitelist

anyone know what the difference is between whitelist and allow?

[dvserg]

Allow - pass, if not deny in other categories.
Whitelist - pass always.
Whitelist can be use for allow some categories, blocked in blacklist.

You can't edit blaacklist, but can use whitelist.