Source note · TLS versions and cipher support across UC platforms
RFC 8996 (BCP 195) states TLS 1.1 MUST NOT be used and negotiation of TLS 1.1 from any version of TLS MUST NOT be permitted.
Checked 2026-10-02
- Vendor
- not restricted
- Product
- not restricted
- Subsystem
- TLS protocol versions
- Deployment
- standard
- Region
- not restricted
- Release range
- RFC 8996, March 2021
- Checked
- 2026-10-02
Sources
- RFC 8996: Deprecating TLS 1.0 and TLS 1.1 — IETF · tier 1 standards and regulators · Section 5
Cite this note
APA
WarmTransfer. (2026, October 2). TLS versions and cipher support across UC platforms: source note tls-version-support-uc-rfc8996-tls11-must-not. WarmTransfer. https://warmtransfer.net/knowledge/claims/tls-version-support-uc-rfc8996-tls11-must-not
BibTeX
@misc{warmtransfer-claim-tls-version-support-uc-rfc8996-tls11-must-not,
title = {TLS versions and cipher support across UC platforms: source note tls-version-support-uc-rfc8996-tls11-must-not},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/tls-version-support-uc-rfc8996-tls11-must-not},
note = {Source note tls-version-support-uc-rfc8996-tls11-must-not, checked 2026-10-02}
}