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TLS Certificate Lifetime RequirementPublish Date: May 10, 2018
This announcement has been archived and is hosted solely for historical reference. It is no longer being updated or maintained.
Recent changes to Chrome could affect your agency. Chrome now requires that TLS/SSL certificates issued on or after March 1, 2018, have a maximum lifetime of 825 days. Google is enforcing this change for Chrome as a result of the Certification Authority/Browser (CA/B) Forum’s Ballot 193 to promote increased web security.1
- What Will Be Impacted?
- What Other Browsers Enforce This Requirement?
- What Should I Do?
- Additional Resources
What Will Be Impacted?
A government user will receive an “untrusted site” error when browsing to an intranet website or application if all of the following are true:
- The intranet website’s TLS/SSL certificate was issued by a Federal PKI Certification Authority
- The TLS/SSL certificate was issued on or after March 1, 2018, with a lifetime greater than 825 days
- Using the Chrome browser
What Other Browsers Enforce This Requirement?
Chrome is the only browser currently enforcing this requirement for TLS/SSL certificates. If other browser vendors decide to enforce this requirement, we will post updates to this announcement. Please also check the FPKI-Guides’ Issues for in-progress discussions.
What Should I Do?
To prevent Chrome browsing errors:
- Request that your PKI team or Federal Shared Service Provider update the certificate profiles for TLS/SSL device certificates issued by Federal PKI Certification Authorities to require a certificate lifetime of less than 825 days.
- Re-issue and re-install new TLS/SSL certificates for the impacted intranet websites and applications.