With full customization, you can provide HTML for your own login screen, and then insert Cisco HTML code that calls functions on the security appliance that create the Login form and the Language Selector drop-down list.Language Selector drop-down list is present under the tab customization editor.
for more information on language selector(refer figure 5):
Table of ContentsIntroductionVersion HistoryPossible Future
UpdatesDocuments PurposeNAT Operation in ASA 8.3+ SectionsRule Types
Network Object NATTwice NAT / Manual NATRule Types used per SectionNAT
Types used with Twice NAT / Manual NAT and Network Obje...
Table of Contents Introduction:This document describes details on how
NAT-T works. Background: ESP encrypts all critical information,
encapsulating the entire inner TCP/UDP datagram within an ESP header.
ESP is an IP protocol in the same sense that TCP an...