Source note · Web proxies and TLS inspection that break UC clients
CISA recommends verifying that an HTTPS inspection product validates certificate chains and passes errors to clients, for example by testing with badssl.com, and weighing the risks before deploying HTTPS inspection.
Checked 2026-10-14
- 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 · Solution 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-badssl-test. WarmTransfer. https://warmtransfer.net/knowledge/claims/tls-inspection-uc-clients-cisa-badssl-test
BibTeX
@misc{warmtransfer-claim-tls-inspection-uc-clients-cisa-badssl-test,
title = {Web proxies and TLS inspection that break UC clients: source note tls-inspection-uc-clients-cisa-badssl-test},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/tls-inspection-uc-clients-cisa-badssl-test},
note = {Source note tls-inspection-uc-clients-cisa-badssl-test, checked 2026-10-14}
}