What I do is I create & manage a firewall using my host's website (rather than on the server itself). This way I can always log in to said host using my credentials+2FA and add/remove the IP address I want to allow SSH from anytime.
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What I do is I create & manage a firewall using my host's website (rather than on the server itself). This way I can always log in to said host using my credentials+2FA and add/remove the IP address I want to allow SSH from anytime.