it is possible using EASY VPN.

ASA does not support the policy based routing.

access the firewall through the console and given the commandno terminal logging 0and the try the telnet

u r not able to telnet the outside interface of the firewall use the ssh for the command line access.use the following command for access the web from outsidehttp 10.5.213.22 255.255.255.255 outsidessh 10.5.213.22 255.255.255.255 outside

if u want to create the proxy server in inside then u must create a nat of the specific proxyip with the public ip. also create the access-list for 80 443 and apply it on internal.