You could go a step further, depending on the complexity of your project, and completely separate scripting components between server and client.
This would basically mean putting all relevant files that are meant for the server only into an addon, which only the server loads in on startup.
The mission file (i.e. the missionName.Altis) folder would then only contain scripts that are running on the client.
If you want to go down that path, just let me know. I'll guide you through the setup if you wish