Preferred Architecture for Cisco Collaboration 14 Enterprise On-Premises Deployments, CVD - Security

Publisher

Cisco Systems

URL

https://www.cisco.com/c/en/us/td/docs/solutions/CVD/Collaboration/enterprise/14/collbcvd/security.html

Published

2021-05-21

Updated

unknown

Accessed

2026-09-25

HTTP status

200

License

Cisco website terms of use; all rights reserved; no-redistribution; short excerpts and locators only

Source notes citing this source

• Cisco's Preferred Architecture recommends Expressway-E automated detection, which blocks an offending source IP in the internal firewall for a configurable period after a configurable number of rejections. in context
• Cisco's Collaboration 14 Preferred Architecture recommends CPL rules to allow or reject calls from the Default Zone in B2B deployments, for example rejecting inbound B2B calls to 9-prefixed destinations to block unauthorised PSTN calls. in context
• Cisco's Preferred Architecture also cites a SIP rate-limiting capability, configured with a maximum connections per second and a maximum burst size, as a toll-fraud mitigation. in context

Cite this source record

APA

WarmTransfer. (2021, May 21). Preferred Architecture for Cisco Collaboration 14 Enterprise On-Premises Deployments, CVD - Security. WarmTransfer. https://warmtransfer.net/knowledge/sources/cisco-cvd-collab-14-security

BibTeX

@misc{warmtransfer-cisco-cvd-collab-14-security,
  title  = {Preferred Architecture for Cisco Collaboration 14 Enterprise On-Premises Deployments, CVD - Security},
  author = {{WarmTransfer}},
  year   = {2021},
  url    = {https://warmtransfer.net/knowledge/sources/cisco-cvd-collab-14-security},
  note   = {Cisco Systems, accessed 2026-09-25}
}