RPZ may refer to:
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Reduced pressure zone device, a type of backflow prevention device
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Response policy zone
A response policy zone (RPZ) is a mechanism to introduce a customized policy in Domain Name System servers, so that recursive resolvers return possibly modified results. By modifying a result, access to the corresponding host can be blocked.
U ...
, a mechanism for use by Domain Name System recursive resolvers
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Residents parking zone, practice of designating certain on-street car parking spaces for the exclusive use of nearby residents
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