Block a DSP

By default, all DSPs are placed in the Allowed list but you can prevent specific DSPs from accessing your inventory by adding them to the blocked list.

  1. Enter your email address and password to log in to the Index UI at If you don’t have login credentials, see Log in to the Index UI.

  2. If you have more than one account, select the account that you want to access.

  3. Go to Blocks & CampaignsBlocking Controls.

  4. In the Site ID drop-down list, select the site that you want to apply the blocks to.
  5. In the Campaign Blocking Options section, expand Demand Source.
  6. In the (Allowed) list, select the DSP that you want to block.
  7. Click the arrow button at the top of the (Allowed) list to move the selected DSP to the (Blocked) list.
  8. Click Save Changes.