Source note · Web proxies and TLS inspection that break UC clients
CISA states that behind an HTTPS interception product, the client can only verify the connection between itself and the interception product, not the connection to the real server.
Checked 2026-10-14
The client can only verify the connection between itself and the HTTPS interception product.
- Vendor
- CISA
- Product
- not restricted
- Subsystem
- TLS interception risk
- Deployment
- any
- Region
- not restricted
- Release range
- advisory dated 2017-03-16
- Checked
- 2026-10-14
Sources
- HTTPS Interception Weakens TLS Security (TA17-075A) — CISA (US-CERT) · tier 1 standards and regulators · Description section
Cite this note
APA
WarmTransfer. (2026, October 14). Web proxies and TLS inspection that break UC clients: source note tls-inspection-uc-clients-cisa-client-sees-proxy-only. WarmTransfer. https://warmtransfer.net/knowledge/claims/tls-inspection-uc-clients-cisa-client-sees-proxy-only
BibTeX
@misc{warmtransfer-claim-tls-inspection-uc-clients-cisa-client-sees-proxy-only,
title = {Web proxies and TLS inspection that break UC clients: source note tls-inspection-uc-clients-cisa-client-sees-proxy-only},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/tls-inspection-uc-clients-cisa-client-sees-proxy-only},
note = {Source note tls-inspection-uc-clients-cisa-client-sees-proxy-only, checked 2026-10-14}
}