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PASSEDsecurity / tls_misconfiguration
TLS 1.0/1.1 Enabled After Config Rollback
A configuration rollback re-enabled TLS 1.0 and 1.1 on the production load balancer. PCI DSS compliance violated. Vulnerability scanners firing alerts.
Pattern
LOAD_BALANCER_EVENT
Expected: TLS_MISCONFIGURATION
Severity
HIGH
Confidence
68%
Remediation
Auto-Heal
Test Results
| Metric | Expected | Actual | Result |
|---|---|---|---|
| Pattern Recognition | TLS_MISCONFIGURATION | LOAD_BALANCER_EVENT | |
| Severity Assessment | HIGH | HIGH | |
| Incident Correlation | N/A | None | |
| Cascade Escalation | N/A | No | |
| Remediation | — | Auto-Heal — Corax resolves autonomously |
Scenario Conditions
HAProxy 2.8. Config rollback to version from 6 months ago. TLS 1.0 and 1.1 re-enabled. PCI DSS requirement 4.1 violated. Qualys SSL Labs grade dropped to C.
Injected Error Messages (1)
TLS misconfiguration — TLS 1.0 and 1.1 enabled on production load balancer after config rollback, PCI DSS 4.1 violation, Qualys SSL grade: C, weak cipher suites accepted
Neural Engine Root Cause Analysis
Load balancer event detected — one or more backend servers have failed health checks, a pool member is marked down, or upstream connections are timing out. When backends are unhealthy, the load balancer will stop sending traffic to them, potentially overloading remaining healthy servers or causing a complete service outage if all backends are down.
Remediation Plan
1. Check the load balancer dashboard for backend health status and identify which servers are failing health checks.
2. Verify the health check endpoint is responding correctly on the backend servers (check port, path, and expected response).
3. For upstream timeouts, check backend server resource utilization (CPU, memory, connections) and application logs.
4. If all backends are down, investigate the common dependency (database, shared storage, network) rather than individual servers.
5. Temporarily adjust health check thresholds or intervals if backends are flapping due to brief slowdowns.
Improvements Applied
- Pattern classified as LOAD_BALANCER_EVENT (expected TLS_MISCONFIGURATION)
Tested: 2026-04-02Monitors: 1 | Incidents: 1Test ID: cmnhnoo5z0010lig770kzl7w5