Database Management
Redis
Subjective
Oct 05, 2025
How do you secure Redis in production environments?
Detailed Explanation
Redis security best practices:
• Authentication:**
# redis.conf
requirepass your_strong_password_here
# ACL (Redis 6+)
user default off
user app_user on >app_password ~app:* +@read +@write -@dangerous
user admin_user on >admin_password ~* +@all
• Network Security:**
# Bind to specific interfaces
bind 127.0.0.1 192.168.1.100
# Change default port
port 6380
# Disable dangerous commands
rename-command FLUSHDB ""
rename-command FLUSHALL ""
rename-command DEBUG ""
• TLS/SSL Encryption:**
# redis.conf
port 0
tls-port 6380
tls-cert-file /path/to/redis.crt
tls-key-file /path/to/redis.key
tls-ca-cert-file /path/to/ca.crt
• Client Connection:**
# Python with SSL
import redis
r = redis.Redis(
host='redis.example.com',
port=6380,
password='your_password',
ssl=True,
ssl_cert_reqs='required',
ssl_ca_certs='/path/to/ca.crt'
)
**Security Checklist:**
• Enable authentication
• Use ACLs for fine-grained access
• Enable TLS encryption
• Bind to specific interfaces
• Change default port
• Disable dangerous commands
• Set up proper firewall rules
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