Um...it's late and I need to make a couple of corrections for you.
In order for the first line to permit a port, you need an extended access list, so your number needs to be between 100 - 199 or a named acl. The access-group command actually applies the access-list to the interface, so the original answer that I gave you was incorrect. Use the following to truly do what you're wanting to do. (You have to use extended acls to specify the protocol.)
access-list 100 permit tcp any host 10.0.0.2 eq 80
I'm working on a project that includes basic router configurations. I configurated everything including: line console 0, line vty 0 15 and secret passwords. There are 3 routers in the network and every LAN is going t...