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ArticlesRecent activity by wombatch
"517 Upstream Certificate Revoked" error
Overview When the Umbrella Secure Web Gateway (SWG) web proxy is configured to perform HTTPS Inspection (decryption -> inspection -> re-encryption) a user may receive a 517 Upstream Certificate Re...
Certificate expiration error when accessing s-platform.api.opendns.com or fireeye.vendor.api.opendns.com
Overview Umbrella integrations which use some third-party clients may fail with an error verifying the digital certificate of the server for the Umbrella APIs at s-platform.api.opendns.com and f...
End of Support for Windows 7, 8, and 8.1
On January 10th, 2023 Cisco ended support for the Umbrella Enterprise Roaming Client (standalone), and Umbrella Roaming Security Module for AnyConnect running on Windows 7, 8, and 8.1. This date co...
Cisco Umbrella Root CA certificate RSA key size and expiration date
Overview Certain security auditing tools used to scan Umbrella infrastructure may report that the Cisco Umbrella Root CA digital certificate has a 2048-bit RSA key and an expiration after 2030...