Reupping my comment [1] from the last discussion: > Agreed: adding port-knocking and fail2ban in addition to passwordless should not be and are not silly ideas

Reupping my comment [1] from the last discussion: > Agreed: adding port-knocking and fail2ban in addition to passwordless should not be and are not silly ideas. [1] https://news.ycombinator.com/item?id=24446577 https://news.ycombinator.com/item?id=24446577