Cisco ASA Port Forwarding

Create and add your ports:
object-group service TEST tcp
port-object eq 443

Now create an access-list:
access-list outside_access_in extended permit tcp any interface outside object-group TEST

Create a static PAT mapping:
static (inside,outside) tcp interface 443 192.168.4.200 443 netmask 255.255.255.255

Create the access-group:
access-group outside_access_in in interface outside