I have a MacBook Pro and DLink 655 router. When I attempt to go to 192.168.0.1, I get taken to a page that has tons of information about this address, but no site I have entered actually takes me to the place where I can actually change my security. Also some of the available help seems to be PC specific.

Are you typing in the Search bar or the Address Bar?

Ok try this.

Click Finder.
Then Macintosh HD
Now click on Applications.
Now click Utilities.
Find Network Utilities and click it.
Click the Ping tab and type in 192.168.0.1

Tell me how the test comes back.

Ping has started…

PING 192.168.0.1 (192.168.0.1): 56 data bytes
Request timeout for icmp_seq 0
Request timeout for icmp_seq 1
Request timeout for icmp_seq 2
Request timeout for icmp_seq 3
Request timeout for icmp_seq 4
Request timeout for icmp_seq 5
Request timeout for icmp_seq 6
Request timeout for icmp_seq 7
Request timeout for icmp_seq 8

--- 192.168.0.1 ping statistics ---
10 packets transmitted, 0 packets received, 100.0% packet loss