You can pull most of the data off using FTP. Just connect to the box using your favorite FTP client, login using your administrative user....
The data that the reports are generated off of are the various log files, you'll probably want the stuff in the accesslogs directory. If you have reports you created/generated and they are archived (Reporting>Archived Reports), those are in the periodic_reports directory...
That is what I originally thought too but we have only 10 files in each of the FTP log subscriptions that go back 10 days but we have report data that goes back more than 6 months when I run a report. So I thought they must be stored separately from the log files. The reporting database is mentioned separately from logs in the manuals several times too.
The periodic_reports directory seems to have reports run on a schedule but not the entire reports database.
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...