Redis Essentials

Networking security

Redis is meant to run in a trusted network, but that is not always the case. Currently, many Redis servers are deployed on public clouds, meaning security is a concern.

There are many ways to make Redis secure, such as the following:

• Use firewall rules to block access from unknown clients
• Run Redis on the loopback interface, rather than a publicly accessible network interface
• Run Redis in a virtual private cloud instead of the public Internet
• Encrypt client-to-server communication

Protecting Redis with firewall rules

Firewall rules are a safe alternative to protect a Redis server, but it is required to have a list of all the trusted Classless Inter-Domain Routing (CIDR) blocks of the possible clients. In a Unix-like server, the