Im noob, Needing some help.

Hey guys.

I'm quite old to modding Q3 engine games, but Modern Warfare 2 has caught me off guard. I'm currently looking to host some private match lobbies with modded gametypes (server side) for PC.

I was playing a private server yesterday with the Quarrantine Chaos Zombie Mod v2, and thought to myself, I want to do that. So I have a couple of questions, if you would be so kind to answer.

Can you get banned for hosting a MW2 Private modded lobby?
How do you make a modded lobby? (Use modloader? Can you link?)
How do you setup an admin access? (To kick people and stuff)
Will you need a SQL server to set up the kicking system?

And getting a little bit more advanced here...

How do you actually make a mod? (Like Quarrantine Chaos Zombies)
What programs do you need? (I've got Modio)
Does Modio allow you to mod a private match? (Not spec-ops or campaign)

Just as some info, I'm absolutely not interested in any aimbots, wallhacks or any other way of cheating in a public lobby. I don't want an advantage over other players when I just want to play in a normal lobby. I know Visual Basic, Some C++ and some Java, in my "Programming Languages." And if there are any videos, I'd love to watch them...

Thanks guys, and hope to hear back from you soon.