Source note · Setting up certificates on Cisco Expressway
Expressway validates received certificates against the Subject Alternative Name attribute, not the common name.
Checked 2026-09-30
Expressway uses the SAN attribute to validate received certificates, not the CN.
- Vendor
- Cisco
- Product
- Cisco Expressway
- Subsystem
- tls
- Deployment
- on-premises
- Region
- not restricted
- Release range
- X15.2 to X15.4
- Checked
- 2026-09-30
Sources
- Mobile and Remote Access Through Cisco Expressway Deployment Guide (X15.2) - MRA Configuration — Cisco Systems · tier 2 current vendor documentation · MRA Configuration > Unified Communications traversal zone settings, TLS verify subject name
Cite this note
APA
WarmTransfer. (2026, September 30). Setting up certificates on Cisco Expressway: source note expressway-certificate-setup-san-not-cn. WarmTransfer. https://warmtransfer.net/knowledge/claims/expressway-certificate-setup-san-not-cn
BibTeX
@misc{warmtransfer-claim-expressway-certificate-setup-san-not-cn,
title = {Setting up certificates on Cisco Expressway: source note expressway-certificate-setup-san-not-cn},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/expressway-certificate-setup-san-not-cn},
note = {Source note expressway-certificate-setup-san-not-cn, checked 2026-09-30}
}