A comprehensive guide to installing Redis on Ubuntu and hardening it for production use. Covers APT installation, systemd configuration, Access Control Lists (ACLs) for user management, TLS encryption with self-signed certificates and mutual TLS, UFW firewall rules, memory limits with maxmemory directives, Unix sockets, AppArmor profiles, slow log monitoring, and RDB/AOF persistence. Also explains why legacy practices like command renaming are obsolete in favor of ACLs.
Table of contents
IntroductionKey TakeawaysPrerequisitesStep 1 — Installing and Configuring RedisStep 2 — Testing RedisStep 3 — Binding to localhostStep 4 — Securing Redis with Access Control Lists (ACLs)Step 5 — Encrypting Redis Communications with TLSStep 6 — Configuring Firewall Rules and Secure Remote AccessStep 7 — Applying Additional Hardening TechniquesStep 8 — Monitoring Redis Activity and LogsStep 9 — Configuring Redis Persistence and BackupsFAQsConclusionSort: