Each time I open the VC:MP server and play on it, several other players join my server...  How do they know my server?  So it means my server get announced to master server? How do I disable this (in config.cfg? wat to put )...

I dont want to put password on my server but just want to make sure it does not announce to master server list.

But I have one more doubt.. My router has NAT features and I DID NOT port forward the ports.. then how was the outside players able to join in my server when I did not port forward at all???