SSH certificates: the better SSH experience
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SSH certificates for better security, key for infrastructure security.
SSH's Trust on First Use (TOFU) and public key authentication require manual known_hosts management and falter when host keys change. SSH certificates, issued by a Certification Authority (CA), centralize trust for large-scale deployments, automating verification and eliminating per-host key distribution. This enhances security and reduces operational overhead in environments with numerous servers.
Implement an SSH CA to automate host verification and key distribution in your infrastructure.
For senior engineers managing cloud infrastructure or large-scale systems, SSH certificates mitigate risks from manual key handling and host key inconsistencies, directly improving security and scalability.