in this video we will set inbound NAT, change port in the NAT, and touch a couple security tips.
BEST is to always use VPN to access resources from the outside.
SSL-VPN on the firewall:
https://youtu.be/sLBv8OXcqJ8
Dedicated client VPN appliance from SonicWall: https://www.youtube.com/playlist?list=PLC3E67UpzeYV_Wo2E5ivzBesTTqgeOIzd
NAT loopback (if you prefer to not fix DNS issue)
https://www.sonicwall.com/support/knowledge-base/access-a-server-behind-the-sonicwall-from-internal-networks-using-public-ips-loopback-nat/170505780814635/