redis-security
Redis security guidance covering authentication (requirepass and ACL users), TLS, ACL-based least-privilege access control, restricting network exposure via bind and protected-mode, firewall rules, and disabling dangerous commands. Use when deploying Redis to production, defining ACL users for an application, configuring TLS connections, locking down a Redis instance behind a firewall, or auditing a Redis deployment for security hardening.
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Install
Works with every agent the skills CLI supports.
npx skills add https://github.com/redis/agent-skills --skill redis-security- 01
Install
Run the command in your project. The CLI asks which agents to install for.
- 02
Describe the task
Ask your agent for something this skill covers. It loads redis-security automatically when relevant.
- 03
Review the result
The agent follows the SKILL.md steps, scripts and references bundled with the skill.
SKILL.md
The instructions your agent reads when the skill is triggered.
Redis Security
Production hardening for Redis: authentication, ACL-based access control, and network exposure. Cover all three together — any one of them on its own leaves an exploitable gap.
When to apply
- Deploying or reviewing a Redis instance destined for production.
- Setting up application credentials beyond a shared password.
- Auditing a Redis deployment against a security checklist.
- Receiving "Redis exposed to the internet" findings from a scanner.
1. Always authenticate (and use TLS)
Never run a production Redis without a password. Pair authentication with TLS so credentials and data aren't sent in clear text.
# redis.conf
requirepass your-strong-password
tls-port 6380
tls-cert-file /path/to/redis.crt
tls-key-file /path/to/redis.key
r = redis.Redis(
host="localhost",
port=6380,
password="your-strong-password",
ssl=True,
ssl_cert_reqs="required",
)
If you can use ACL users (next section) instead of the single requirepass, do — requirepass is effectively the legacy "default user" shortcut.
See references/auth.md.
2. ACLs for least-privilege access
The default user with a shared password is fine for development. For production, give each application a dedicated ACL user with only the commands and key patterns it actually needs.
# Cache-only reader
ACL SETUSER app_readonly on >password ~cache:* +get +mget +scan
# Writer that can't run dangerous ops
ACL SETUSER app_writer on >password ~* +@all -@dangerous
# Admin (use sparingly, never for application traffic)
ACL SETUSER admin on >strong-password ~* +@all
Useful command categories:
| Category | What it covers |
|---|---|
@read | Read commands (GET, MGET, HGET, ...) |
@write | Write commands (SET, DEL, XADD, ...) |
@dangerous | FLUSHALL, DEBUG, KEYS, etc. |
@admin | Administrative commands |
If app credentials leak, a tight ACL bounds the blast radius — the attacker can't FLUSHALL your DB just because they grabbed a cache reader's password.
See references/acls.md.
3. Restrict network access
The most common Redis breach is a public-internet Redis with no auth. Avoid that with three layers:
# redis.conf — bind to specific interfaces, keep protected-mode on
bind 127.0.0.1 192.168.1.100
protected-mode yes
# Firewall — allow only application subnets
iptables -A INPUT -p tcp --dport 6379 -s 192.168.1.0/24 -j ACCEPT
iptables -A INPUT -p tcp --dport 6379 -j DROP
Anti-pattern: bind 0.0.0.0 + protected-mode no — exposes Redis to the whole network without protection.
Optional but recommended: rename or disable destructive commands so a compromised client can't trash the DB:
rename-command FLUSHALL ""
rename-command DEBUG ""
rename-command CONFIG ""
See references/network.md.
References
FAQ
What does the redis-security skill do?
Redis security guidance covering authentication (requirepass and ACL users), TLS, ACL-based least-privilege access control, restricting network exposure via bind and protected-mode, firewall rules, and disabling dangerous commands. Use when deploying Redis to production, defining ACL users for an application, configuring TLS connections, locking down a Redis instance behind a firewall, or auditing a Redis deployment for security hardening.
How do I install redis-security?
Run npx skills add https://github.com/redis/agent-skills --skill redis-security in your project. The skills CLI detects the agents you use and copies the skill into the right folder. For Claude Code you can also place the skill folder at ~/.claude/skills/redis-security/ (personal) or .claude/skills/redis-security/ (project).
Which AI agents can use redis-security?
Any agent that supports the open Agent Skills format (a folder with a SKILL.md file), including Claude Code, Codex, Cursor, GitHub Copilot, Gemini CLI, Windsurf, Cline, OpenCode and more.
Is redis-security safe to install?
No partner security audit is available yet. Skills can run commands and scripts, so read the SKILL.md and any bundled files before installing.
Who maintains redis-security?
It is published by redis in redis/agent-skills, and it is an official skill from the maker of the technology it covers. It has 2,438 recorded installs.
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