Computer users are not normally technically adept: to them their computer is just a thing they use to get work done or for entertainment, and they treat it like a radio, television, or coffee maker. This naivety makes businesses an easy target for sociopaths looking for fun and profit. These criminals exist because of other people’s laziness. Please don’t be the next business that rewards and encourages these sociopaths by providing them with more easy profit.
How to use rsync with ssh and non-standard port number