IPSEC
IPSEC encryption related links.
Sample Cisco Config
!!# Phase One - isakmp #!!
crypto isakmp policy 10 hash sha authentication pre-share crypto isakmp key vpnkey address 10.0.0.2
!!# Phase Two - ipsec #!!
! crypto ipsec security-association lifetime seconds 28800 crypto ipsec transform-set vpnset esp-aes esp-sha-hmac exit crypto map vpnset 10 ipsec-isakmp set peer 10.0.0.2 set transform-set vpnset ! set pfs group2 match address 100
!!#Apply to outside int #!!
int ??
!ip address 10.0.0.1
crypto map vpnset
access-list 100 permit ip 10.10.10.0 0.0.0.255 10.20.0.0 0.0.0.255
ip route 0.0.0.0 0.0.0.0 192.168.16.1...