Understanding Citrix Web App Firewall platforms  

Citrix Web App Firewall is available in:
Included
Citrix ADC Premium Edition
Citrix ADC SDX Appliances
Citrix ADC VPX Premium Edition
Citrix ADC MPX Advanced Edition
Add-on option

Citrix Web App Firewall is also available as a standalone appliance, and is upgradable via license to a full Citrix ADC Premium Edition. 

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