I need to log any external attack to the ASA. To do this i have issued the folowing commands:
logging buffer-size 100000
logging buffered warnings
access-list acl-out extended deny ip any any log warnings
The problem is that i get some lines in my buffer regarding some denyed external traffic from acl-out but if i perform an online port scaner or try to establish a TCP connection from an unauthorized address i get no lines regarding this.
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...