https://www.cisco.com/c/en/us/support/docs/security/asa-5500-x-series-next-generation-firewalls/100586-asa5500-portal-customization.html
ASA 8.0 SSLVPN (WebVPN): Advanced Portal Customization - Cisco
Cisco Adaptive Security Appliance (ASA) 5500 series software version 8.0 introduces advanced customization features which enable the development of attractive...
8 0portal customizationasasslvpnwebvpn