Suppose I am using VPN software client OR PIX Firewall VPN client to establish VPN tunnel with Easy VPN server:-
1. In Message 1 the VPN client(software VPN client or PIX VPN client) will initiate Phase-1 prposals(like Encryption algorithm,hash algorithm),the VPN server will reply to this with the configured parameters in VPN server.
2.Then VPN server will ask for username and Password to the VPN client and once VPN client provides username and password ,the Phase-1 is over--Am I right?
3.Then Phase-2 will start and once Phase-2 is over ,The policies will get pushed to the VPN client(which includes IP address for VPN client and the access-lists related to the access for VPN client).
4.Now the data will start flowing on the VPN tunnel.
But My question is that from where we get the keys used for encryption of data after Phase-2 is over.And are we using any Pre shared keys in case of Easy VPN setup.
Because while setting up Client to site VPNs in checkpoint I have never used any Pre shared keys.
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...