TLS certificates: maximum lifetime 47 days

Maximum validity 47 days; domain validation reuse 10 days on 15 Mar 2029, in 2 years.

15 Mar 2029 in 2 years Upcoming

TLS certificates: maximum lifetime 47 days

Maximum validity 47 days; domain validation reuse 10 days · Ballot SC-081v3 (Baseline Requirements) · CA/Browser Forum

MaritimeIndustryInfrastructure International Standard or protocol

The final step of the schedule: from 15 March 2029 public TLS certificates are valid for at most 47 days and a domain validation can be reused for only 10 days. Certificates become a monthly event handled by software.

CA/Browser Forum Date reported, not yet checked against the official text.

What to do 0 of 3 done

Treat certificate automation as production infrastructure with its own monitoring
Retire devices that cannot rotate certificates without a manual step
Plan DNS or HTTP validation that works for every host, including remote sites

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