Validate certificate chains without disabling hostname checks
A workaround accepts self-signed certificates by disabling all verification.
- Focused work estimate
- 3h + prerequisites
- Priority in the scenario
- High
- Engineering practice
- Certificate validation
Estimated field mix
- Security70%
- Networking30%
Field percentages are editorial estimates of the ticket's engineering focus. They total 100%; they are not measured time, proficiency scores, or ownership evidence.
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Project context
A fictional internal report exporter uses mutual TLS. Certificates are renewed manually, and operators cannot distinguish peer identity failures from network outages.
Setup prerequisites
- Generate disposable test-only certificate authorities and leaf certificates for loopback services; use no production keys.
Preceding work
Complete these dependencies, or supply their agreed outputs before taking this ticket.
Acceptance criteria
- Trust only the configured test CA set.
- Verify peer names and intended usage.
- Reject expired, incomplete, and unknown chains.
Implementation constraints
- No permissive verification bypass is allowed.
Verification to include
- Connect with the authorized test chain.
- Reject wrong-name and untrusted certificates.
Deliverables
- Strict TLS configuration.
Rollout and recovery
Fail closed and expose safe diagnostic categories.
Value of the work
For the engineer: Practice transport identity, trust-store changes, and certificate failure diagnosis.
For the team: Provide repeatable rotation and recovery behavior for authenticated service communication.
Evidence boundaries
Outcome Evidence: Tests, patches, and runbooks are requested deliverables. They become Outcome Evidence only through a qualified Mission and immutable Evidence IDs.
Ownership Evidence: Independent adaptation must be observed under a declared verification policy and cite immutable Evidence IDs. Completing a planning ticket establishes no Ownership Evidence.