There are limits to the number of Protection rules and values you can include in certain rules:
- 200 advertisers/brands per protection
- 700 buyers per protection
- 200 general categories per protection
- 25,000 advertiser URLs per protection
- 300 protections per network
Protection rules are additive. Protection rules that satisfy the targeting of an ad request apply to that ad request, and more than one rule may apply to the same ad request.
When targeting multiple protection rules to the same inventory as a way of exceeding the limits for advertisers, brands, or buyers in a rule, you might occasionally see unintended results.
- Example 1 (intended outcome when choosing "Block the following"): One ad content protection blocks buyers A, B, and C. Another ad content protection blocks buyers D, E, and F. On inventory where both protections apply, the buyers A, B, and C are blocked by the first rule. The buyers D, E, and F are blocked by the second rule. As a result, buyers A, B, C, D, E, and F are blocked by the two rules, while all other buyers are not affected.
- Example 2 (unintended outcome when choosing "Block all …, with the following exceptions"): One ad content protection blocks all buyers with the exception of A, B, and C. Another ad content protection blocks all buyers with the exception of D, E, and F. On inventory where both protections apply, any buyer except A, B, and C will be blocked by the first rule, including buyers D, E, and F. For the second rule, any buyer except D, E, and F will be blocked, including buyers A, B, and C. The combination of the two rules results in all buyers, including those listed as an exception, being blocked.
