It is design query. I have a setup like described below:
I have two Internet connection (ISP-1 & ISP-2) is connected to Cisco 1841 Router and this Router is connected to Cisco ASA Firewall and Firewall is connected to LAN
Which is the industry best practice to configure NAT on security perspective. Whether it is recommended to configure NAT on CISCO ROUTER or ASA Firewall in this regard.
Hope i described the requirement precisely. Looking for your valuable advice