Secure Access Zero Trust Client-Based Proxy Services
Required by Cisco Secure Client deployments with the Zero Trust module.
The Cisco Secure Client Zero Trust module uses HTTPS to communicate with the client-based Secure Access Zero Trust proxy services. We recommend that you allow all traffic on ports 443 for the defined protocols on the Secure Access Zero Trust domains.
| Domain | Ports/Protocol |
|---|---|
| *.ztna.sse.cisco.com | 443/TCP |
| *.zpc.sse.cisco.com | 443/TCP and UDP |
| *.tia.sse.cisco.com | 443/TCP and UDP |