ACL system for user permissions in Redis - Cheat Sheet & Quick Revision

Recall & Review

beginner

What does ACL stand for in Redis?

ACL stands for Access Control List. It is a way to manage user permissions in Redis.

beginner

How do you create a new user with specific permissions in Redis ACL?

Use the command ACL SETUSER username on >password ~pattern +command to create a user, enable it, set a password, define key patterns, and allow commands.

intermediate

What does the ~pattern part do in Redis ACL user creation?

It defines which keys the user can access. For example, ~cache:* allows access only to keys starting with 'cache:'.

beginner

How can you check the permissions of a Redis user?

Use the command ACL GETUSER username to see the user's enabled status, passwords, key patterns, and allowed commands.

beginner

What is the purpose of the +command in Redis ACL user settings?

It allows the user to run specific commands. For example, +get lets the user run the GET command.

Which Redis command is used to create or modify a user in the ACL system?

A ACL CREATEUSER

B ACL SETUSER

C USER ADD

D PERMISSION SET

The correct command to create or modify a user is ACL SETUSER.

In Redis ACL, what does the on keyword do when setting a user?

A Enables the user

B Locks the user

C Deletes the user

D Disables the user

The on keyword enables the user so they can connect.

How do you restrict a Redis user to only access keys starting with 'app:'?

A -app:*

B +app:*

C app:*

D ~app:*

The ~app:* pattern restricts key access to keys starting with 'app:'.

Which symbol is used to allow a specific command for a Redis ACL user?

A +

B -

C ~

D #

The plus sign + is used to allow commands, e.g., +get.

What command shows the details of a Redis ACL user?

A USER INFO

B ACL LISTUSER

C ACL GETUSER

D ACL SHOWUSER

Use ACL GETUSER username to see user details.

Explain how to create a Redis ACL user with password, key access limited to 'cache:*', and permission to run GET and SET commands.

Think about the syntax: ACL SETUSER username on >password ~pattern +command

Describe how Redis ACL helps improve security in a multi-user environment.

Focus on restricting access and permissions.