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You can also check if you have ipv6. I have tried both, but prefer directly connecting home.

I don't know enough about networking and that level of configuration to do it confidently and safely yet. I'd rather rely on using credentials where the only real access is some limited command line executables or file transfer, rather than exposing more of the hardware directly to the network for a direct connection. I do have interest in learning this much, but I find that my current FTP/SFTP approach has more guard rails than a direct connection. Do you agree with this or am I just not understanding enough about ipv6 and direct connections home?

You get the equivalent setup in ipv6 by having your home modem or router deny inbound connections.

I think port forwarding configuration is a pain that does not offer value over just poking a hole in your firewall to do an authenticated connection over ssh.

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