[HELP]Protection for server

[zeimpekis1998]

Hello guys.
I want to protect my database and my client.
When my server was on, someone connected to my database and deleted all accounts of server.

Please help me.
I want to protect my database.

[.Colossus.]

Port 15000 was opened.
Install a ipfw and your problem is solved.

[zeimpekis1998]

Originally Posted by .Colossus.

Port 15000 was opened.
Install a ipfw and your problem is solved.

How i install ipfw?

[.Colossus.]

So difficult?

[zeimpekis1998]

Originally Posted by .Colossus.

So difficult?

I want a very good guide :P

[Antigene]

Pay me and i install this and other fixxes