Source note · Web proxies and TLS inspection that break UC clients
The Webex App does not support proxy decryption and inspection of TLS sessions for Webex Meetings media services; customers who inspect webex.com traffic must exempt *mcs*.webex.com, *cb*.webex.com and *mcc*.webex.com from TLS inspection.
Checked 2026-10-14
The Webex app does not support Proxy server decryption and inspection of TLS sessions for Webex Meetings media services.
- 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 > Note below the TLS inspection support table
Cite this note
APA
WarmTransfer. (2026, October 14). Web proxies and TLS inspection that break UC clients: source note tls-inspection-uc-clients-webex-meetings-media-exempt. WarmTransfer. https://warmtransfer.net/knowledge/claims/tls-inspection-uc-clients-webex-meetings-media-exempt
BibTeX
@misc{warmtransfer-claim-tls-inspection-uc-clients-webex-meetings-media-exempt,
title = {Web proxies and TLS inspection that break UC clients: source note tls-inspection-uc-clients-webex-meetings-media-exempt},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/tls-inspection-uc-clients-webex-meetings-media-exempt},
note = {Source note tls-inspection-uc-clients-webex-meetings-media-exempt, checked 2026-10-14}
}