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Allow List-only refers to the concept of blocking all possible domains by default, except those specified by an Allow list. This is also referred to as a “default deny” policy, rather than a “default allow” policy.
The dashboard doesn’t have a single switch to enable Allow List-only mode, but this can be achieved by blocking all possible categories in the dashboard.
This process is not recommended
Setting up an Allow List-only Filtering Policy doesn't mean adding a single domain will result in a fully functional website. In almost all cases, websites use multiple domains and services to load content associated with the website.
DNSFilter Support will not assist in researching all domains required to load a specific website or service if the policy is set up to be Allow List-only. However, we have written a helpful article that will help you to research Pages Not Loading
Set up an Allow-only Policy
Follow these steps to create an Allow-only Filtering Policy.
- From the DNSFilter dashboard, navigate to Policies and select Filtering
- Select Add to create the policy
- Name the policy and select Create
- Tab through the filtering menu and block all options
- Block all Content Categories
- Block all Threats Categories
- From Advanced, tab to Extra Settings and select all options. For those with Moderate or Strict options, toggle to Strict
- Add desired domains to the Allow List
- Import this list of domains to the policy Block List
- Add the domains to a .csv file to import them to the Block List
These settings should create an Allow-only policy. Contact our Support team if you find unwanted domains that filter through this policy. They will update the Block List import with the domains.
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