# Advanced Topics

Internal Behavior

- Internal Behavior
  - Behaviors of the library
  - Library callbacks
  - Use custom allocators for embedded usage
  - Storing custom information in the client

Authentication, Encryption & Hashing

- Authentication, Encryption & Hashing
  - Set encryption key
  - Generating hash values directly
  - SASL support

Servers and Server Lists

- Servers and Server Lists
  - Managing lists of servers
  - Managing the servers used by memcached_st

Affecting the memcached Daemon

- Affecting the memcached Daemon
  - Dumping data from a server
  - Wiping clean the contents of a server
  - Setting the verbosity of a server

Deriving Statistics from a Server

- Statistics
  - Analyzing servers
  - Working with statistical information from a server
  - Getting version information