Many configuration guides for SSH server suggest eliminating the login with a username/password and replace it with a key. More and more I use this solution in my small home environment. A day on Twitter I have seen this tweet and I have made some tests with mutual TLS (or mTLS).
🇫🇷 Community Contribution 👉 Sécuriser #Traefik avec du mTLS by Romain Boulanger https://t.co/TofOPAYVYC
— Traefik Labs (@traefik) March 26, 2021 I find mTLS really helpful when you cannot use a VPN, for example on an enterprise pc or due to some firewall restriction.