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Wildcards and Destination Lists

Every domain in a block or allow destination list has an implied left-side and right-side wildcard.
Note: Asterisks (*) are not supported.

Destination List EntryImplied Wildcard
domain.com*.domain.com/*
com*.com/*
www.domain.com*.www.domain.com/*

It is not possible to use an asterisk to wildcard a different part of the domain. The following will not work:

  • *.domain.com
  • subdomain.*.com
  • sub*.com
  • domain.*

Adding domain.com to a destination list results in requests to domain.com or its subdomains, such as www.domain.com or www.domain.com/path.

Wildcards also support top-level domains (TLDs), to allow broad allows and blocks. Use caution as adding a TLD to an allow list may open your network to malware threats, and adding a TLD to a block list may block more than expected due to CNAMEs and CDNs.

Note: Regular expressions in URL paths are not supported.


Control Access to Custom URLs < Wildcards and Destination Lists > Add Top-Level Domains To Destination Lists