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DNS Forwarders Get Started with Virtual Appliances

Last updated: Aug 07, 2025

Get Started with Virtual Appliances

Cisco Secure Access Virtual Appliances (VAs) are lightweight virtual machines. Virtual Appliances function as conditional DNS forwarders on your network. VAs record the internal IP address information of DNS requests for usage in reports, security enforcement, and category filtering. VAs encrypt and authenticate DNS data for enhanced security.