I'm having a small problem with my asa 5505. I have an inbound access list assigned to the inside interface allowing only ports 80, 443 and 53 out. I know in all other devices there's an implicit deny at the end of the access list, however on the 5505 (running version 8.03) it does not block ANYTHING unless I explicitly add a deny ip any any line to the end of the list. Any reason why that would happen??