Source note · Setting up certificates on Cisco Expressway
Cisco's EKU technote gives 2026-03-15 as the date public TLS certificate validity dropped to 200 days.
Checked 2026-09-30
- Vendor
- CA Browser Forum
- Product
- Public TLS certificates
- Subsystem
- certificate-validity
- Deployment
- public-pki
- Region
- not restricted
- Release range
- from 2026-03-15
- Checked
- 2026-09-30
Sources
- Prepare Expressway for Client Authentication EKU Sunset in Public CA Certificates — Cisco Systems · tier 2 current vendor documentation · Background > timeline, March 15, 2026 entry
Cite this note
APA
WarmTransfer. (2026, September 30). Setting up certificates on Cisco Expressway: source note expressway-certificate-setup-public-validity-200-days. WarmTransfer. https://warmtransfer.net/knowledge/claims/expressway-certificate-setup-public-validity-200-days
BibTeX
@misc{warmtransfer-claim-expressway-certificate-setup-public-validity-200-days,
title = {Setting up certificates on Cisco Expressway: source note expressway-certificate-setup-public-validity-200-days},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/expressway-certificate-setup-public-validity-200-days},
note = {Source note expressway-certificate-setup-public-validity-200-days, checked 2026-09-30}
}