Aikesheng Open Source Community
Feb 18, 2020 · Information Security
How Securing MySQL with TCP Wrappers Can Cause an Outage
This article examines a MySQL outage triggered by TCP wrappers, detailing how high thread counts, DNS latency, TIME_WAIT socket exhaustion, and frequent reads of /etc/hosts.allow and /etc/hosts.deny can block connections, and provides troubleshooting steps and mitigation recommendations.
DNSMySQLTCP wrappers
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