I'm hosting a server for myself and a few friends and want to allow it to have access through the internet so they don't have to be on my network. The problem I'm having is, I'm starting a small public server (try the idea out at least) but I don't want anyone else accessing the other server if they happen to figure out the port number, no matter how random it might be. I'm still learning how to manager a server, but I have learned a lot in trial and error in the past month with just my friends. Any Suggestions or point outs that I may have overlooked? I wouldn't suppose there is a small plugin that kicks anyone that isn't in the ops.txt file?