Source note · Web proxies and TLS inspection that break UC clients
For a TLS-inspecting proxy in front of Webex, the certificate the proxy presents must be signed by a CA whose root is in the Webex App's or Webex device's trust store; for the Webex App, that CA is installed in the device operating system.
Checked 2026-10-14
- Vendor
- Cisco
- Product
- Webex App
- Subsystem
- proxy and inspection
- Deployment
- multi-tenant
- Region
- not restricted
- Release range
- current as of 2026-10-14
- Checked
- 2026-10-14
Sources
- Network Requirements for Webex Services — Cisco Systems, Inc. (help.webex.com) · tier 2 current vendor documentation · Proxy Features > Proxy Inspection and Certificate Pinning, paragraphs 1-2
Cite this note
APA
WarmTransfer. (2026, October 14). Web proxies and TLS inspection that break UC clients: source note tls-inspection-uc-clients-webex-proxy-ca-trust-store. WarmTransfer. https://warmtransfer.net/knowledge/claims/tls-inspection-uc-clients-webex-proxy-ca-trust-store
BibTeX
@misc{warmtransfer-claim-tls-inspection-uc-clients-webex-proxy-ca-trust-store,
title = {Web proxies and TLS inspection that break UC clients: source note tls-inspection-uc-clients-webex-proxy-ca-trust-store},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/tls-inspection-uc-clients-webex-proxy-ca-trust-store},
note = {Source note tls-inspection-uc-clients-webex-proxy-ca-trust-store, checked 2026-10-14}
}