Step of configuration Firewall. 1. Make Topology: 2.assign ip accordingly on ASA & ISP Firewall 3.Set Inside and Outside On ASA firewall 4 Configure DHCP Server and DNS IP On ASA 5 configure Default Route On ASA 6 Configure OSPF On ISP Router 7 Create Object Network & Enable NAT On ASA 8 Create ACL On ASA 9 Verify Enable Mode: ciscoasa>en Password: ciscoasa#config t ------Remove the by-default dhcp rage using below commend-------------- ciscoasa(config)#no dhcpd address 192.168.1.5-192.168.1.36 inside ----------------------------------------------------------------------- Set a ip address for Inside Firewall : ciscoasa(config)#int vlan 1 ciscoasa(config-if)#ip add 10.1.36.1 255.255.255.0 ciscoasa(config-if)#nameif inside ciscoasa(config-if)#security-level 100 [ Security Level (100-inside),(0-Outside), (1-99 DMZ using for server)] ciscoasa(config-if)#exit ciscoasa(config)#int e0/1 ciscoasa(config-if)#switchport access...