Private Service Edge (PSE) – Intermittent Traffic Blocking for Explicit Proxy Traffic - zscaler.net, zscalertwo.net, zscloud.net, zscalerthree.net
Incident Lifecycle
Incident Timeline
Investigating
Zscaler is aware of and actively investigating an issue impacting a subset of customers using Private Service Edge (PSE). Some customers are experiencing intermittent traffic blocking when accessing websites through PSE. Affected requests may return the error: "Web Application Blocked by Firewall Rule."We will continue to provide updates here as the investigation progresses. For detailed updates, please check the Service Status section in your Zscaler customer support portal (CSP). Status cha...
Apr 4, 2026 at 5:10 PM UTC
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