2025-12-04: Blackbox probes failing for https://gitlab.com/gitlab-org/gitlab-foss/issues (availability below 70%)

Blackbox probes failing for https://gitlab.com/gitlab-org/gitlab-foss/issues (availability below 70%) (Severity 3)

Problem: Blackbox probes for https://gitlab.com/gitlab-org/gitlab-foss/issues failed due to network errors.

Impact: Availability of the blackbox probe for https://gitlab.com/gitlab-org/gitlab-foss/issues dropped below 70% for 10 minutes, causing monitoring gaps.

Causes: A rare network issue caused TLS handshake timeouts and connection reset errors, leading to probe failures.

Response strategy: The network issue has recovered and we are monitoring to ensure stability.


This ticket was created to track INC-6104, by incident.io 🔥