Source note · Web proxies and TLS inspection that break UC clients
For all Required Microsoft 365 network endpoints, Microsoft recommends bypassing TLS decryption, traffic interception, deep packet inspection and network packet and content filtering.
Checked 2026-10-14
Bypass Microsoft 365 domains from TLS decryption, traffic interception, deep packet inspection, and network packet and content filtering.
- Vendor
- Microsoft
- Product
- Microsoft 365
- Subsystem
- network connectivity
- Deployment
- multi-tenant
- Region
- not restricted
- Release range
- current as of 2026-10-14
- Checked
- 2026-10-14
Sources
- Microsoft 365 network connectivity principles — Microsoft · tier 2 current vendor documentation · Optimizing connectivity to Microsoft 365 services > recommended network configurations for all Required endpoints (first sub-bullet)
Cite this note
APA
WarmTransfer. (2026, October 14). Web proxies and TLS inspection that break UC clients: source note tls-inspection-uc-clients-m365-bypass-tls-decryption. WarmTransfer. https://warmtransfer.net/knowledge/claims/tls-inspection-uc-clients-m365-bypass-tls-decryption
BibTeX
@misc{warmtransfer-claim-tls-inspection-uc-clients-m365-bypass-tls-decryption,
title = {Web proxies and TLS inspection that break UC clients: source note tls-inspection-uc-clients-m365-bypass-tls-decryption},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/tls-inspection-uc-clients-m365-bypass-tls-decryption},
note = {Source note tls-inspection-uc-clients-m365-bypass-tls-decryption, checked 2026-10-14}
}