Source note · Web proxies and TLS inspection that break UC clients
Zoom states that UDP gives the best experience for Zoom media and that TCP is supported for proxy traversal only, with overhead that can hurt audio and video quality.
Checked 2026-10-14
TCP is supported for proxy traversal only
- Vendor
- Zoom
- Product
- Zoom Workplace
- Subsystem
- media
- 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 section, Caution callout on UDP and TCP
Cite this note
APA
WarmTransfer. (2026, October 14). Web proxies and TLS inspection that break UC clients: source note tls-inspection-uc-clients-zoom-tcp-proxy-only. WarmTransfer. https://warmtransfer.net/knowledge/claims/tls-inspection-uc-clients-zoom-tcp-proxy-only
BibTeX
@misc{warmtransfer-claim-tls-inspection-uc-clients-zoom-tcp-proxy-only,
title = {Web proxies and TLS inspection that break UC clients: source note tls-inspection-uc-clients-zoom-tcp-proxy-only},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/tls-inspection-uc-clients-zoom-tcp-proxy-only},
note = {Source note tls-inspection-uc-clients-zoom-tcp-proxy-only, checked 2026-10-14}
}