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Skyhigh Security

About Subscribed Lists

Lists for use in web security rules can be filled with content that is retrieved from suitable servers. These lists are known as subscribed lists.

When working with subscribed lists, you only have to configure general settings, such as the list name, yourself. For the list content, for example, IP addresses or URLs, you rely on a server, which can be the Skyhigh Security server that is provided for supplying subscribed lists or another server that you specify.

Subscribed lists that retrieve their content from the Skyhigh Security server are known as Skyhigh Security-supplied lists. Lists that retrieve their content from another server are known as customer-maintained lists.

After you have created a subscribed list, it appears on the Subscribed Lists branch of the lists tree on the user interface. You can work with a subscribed list in the same way as with other lists on the lists tree.

NOTE: There is a restriction in size for subscribed lists. A subscribed list must not be larger than 4 MB or contain more than 100,000 entries.

By configuring update schedules or performing updates manually, you ensure that the latest content is made available to the web security rules by a subscribed list.

Retrieving list content from the Skyhigh Security server

When the content of a subscribed list is retrieved from the Skyhigh Security server that is provided for this purpose, you select the type of content for this list from a catalog.

The content is maintained on the Skyhigh Security server. To ensure that Skyhigh Security-supplied lists hold the latest content, you perform manual updates on the user interface of your appliance.

Retrieving list content from another server

When the content of a subscribed list is retrieved from a server other than the Skyhigh Security server, you specify the URL for the file that holds this content on the server.

The content is maintained on this server. Updates for this kind of subscribed lists are performed according to a schedule that you set up when configuring the list settings.

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