Vault SSH CA

8h certs, 9+ hosts configured

Category

INFRASTRUCTURE

Status

Complete

Premise

Eliminate SSH key sprawl with short-lived certificates

Goals

  • No permanent SSH keys on any host

  • Role-based access via Vault policies

  • Audit trail of all SSH certificate issuance

Current State

Production - All infrastructure hosts using SSH CA

Next Steps

  • Add OTP fallback for emergency access

  • Integrate with FreeIPA for user sync

Architecture Notes

Sign flow: User → Vault → Signed Cert → Host