Ah...seems that was the problem. I recall checking their security out after discovering myself getting traced every time I connected to them, and seeing their security down.

I actually ended up starting a new game and advancing farther than I had before; still, thanks for the help the both of you!

Alright, whenever I try to access said server, as soon as I get on there, I'm kicked off by the admin. To elaborate, I click on said server in the list of available servers; I'm treated to the standard log-in screen. Below is my username and password for the server, and below that is the admin's use...