Just changing the SSH port is probably enough for small VPS.
Port 22 is getting perma-DDOSed on public IPv4 addresses so use it at your own peril but at least for now most bots don't bother port scanning everyone.
Port 22 is getting perma-DDOSed on public IPv4 addresses so use it at your own peril but at least for now most bots don't bother port scanning everyone.
CriminialIP, PaloAlto, Shodan, Stretchoid, Techties, Censy, Onyphe, VisionHeight, Internet-measurement, Infrawatch, BinaryEdge, and a bunch of Alibaba Cloud/Digital Ocean/VPN/Tor exit IPs all know which port your SSH server is on.