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Hotfix · Payments · Infrastructure · 2025
Ratunek podczas ataku DDoS (Przelewy24 cURL error 6)
Role: Incident Response · cURL/DNS · WooCommerce
During a DDoS attack, Przelewy24 payments failed with cURL error 6. A hotfix forcing IPv4 in cURL bypassed the hosting’s problematic DNS nodes and restored payments.
Ratunek podczas ataku DDoS (Przelewy24 cURL error 6)
01 — Scope
Scope of work
What was delivered, step by step.
- 01 A hotfix forcing IPv4 in cURL
- 02 Bypassing the hosting’s problematic DNS nodes
- 03 Restoring payments during the attack
- 04 Billing for real work done (not a subscription)
- 05 A monitoring plugin for the future
02 — Result
Outcome
Payments restored mid-attack — the store was taking orders again the same day.
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