Source note · Web proxies and TLS inspection that break UC clients
Zoom says custom header insertion on next-generation firewalls usually requires SSL decryption of TCP 443 traffic, and is supported only for Zoom apps enrolled in MDM with certificate pinning disabled.
Checked 2026-10-14
- Vendor
- Zoom
- Product
- Zoom Workplace
- Subsystem
- proxy and inspection
- Deployment
- multi-tenant
- Region
- not restricted
- Release range
- current as of 2026-10-14
- Checked
- 2026-10-14
Sources
- Configuring Network Components for Zoom — Zoom · tier 2 current vendor documentation · Firewall > Custom header insertions on next-generation firewalls (Note callout)
Cite this note
APA
WarmTransfer. (2026, October 14). Web proxies and TLS inspection that break UC clients: source note tls-inspection-uc-clients-zoom-header-insert-mdm. WarmTransfer. https://warmtransfer.net/knowledge/claims/tls-inspection-uc-clients-zoom-header-insert-mdm
BibTeX
@misc{warmtransfer-claim-tls-inspection-uc-clients-zoom-header-insert-mdm,
title = {Web proxies and TLS inspection that break UC clients: source note tls-inspection-uc-clients-zoom-header-insert-mdm},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/tls-inspection-uc-clients-zoom-header-insert-mdm},
note = {Source note tls-inspection-uc-clients-zoom-header-insert-mdm, checked 2026-10-14}
}