Because Default Zone traffic under Do not check credentials is classified unauthenticated, setting Request must be authenticated to Yes on the Expressway-E rule toward the traversal zone should stop unauthenticated internet callers reaching the internal network through that rule.
inferred · Checked 2026-09-25
- Vendor
- Cisco
- Product
- Cisco Expressway
- Subsystem
- search rules
- Deployment
- on-premises
- Region
- not restricted
- Release range
- X15.0 onward
- Status
- inferred
- Checked
- 2026-09-25
Sources
- Cisco Expressway Administrator Guide (X15.4) - Dial Plan and Call Processing — Cisco Systems · tier 2 current vendor documentation · Dial Plan and Call Processing > Request must be authenticated; combined with Device Authentication > Do not check credentials
Cite this note
APA
WarmTransfer. (2026, September 25). Setting up business-to-business calling on Cisco Expressway: source note expressway-b2b-setup-deny-unauth-inference. WarmTransfer. https://warmtransfer.net/knowledge/claims/expressway-b2b-setup-deny-unauth-inference
BibTeX
@misc{warmtransfer-claim-expressway-b2b-setup-deny-unauth-inference,
title = {Setting up business-to-business calling on Cisco Expressway: source note expressway-b2b-setup-deny-unauth-inference},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/expressway-b2b-setup-deny-unauth-inference},
note = {Source note expressway-b2b-setup-deny-unauth-inference, checked 2026-09-25}
}