---
title: Reference
slug: ps/help/en_us/vwaf/ag/reference
docTags: 
createdAt: 2026-08-02T10:05:40.593Z
---

In the reference section of this manual you can look up details on particular attributes and functions. You don’t need to read all of these topics from beginning to end, however we recommend that you get at least an overview of the provided Wizards, Handlers and Preconditions before you start your work.

- Wizards
  Offers a detailed reference of all provided Wizards (Assistants).
- Handlers
  Offers a detailed reference of all provided Handlers.
- Preconditions (Selectors)
  Offers a detailed reference of all provided Preconditions.
- Event Destinations
  Offers a detailed reference of all provided Event Destinations.
- Event Sources
  Offers a detailed reference of all provided Event Sources.
- Log File Entries
  Lists and explains all entries that can be found in the different types of log files.
- REST Interface
  Provides a reference and examples on using the REST-based API, which you can use to automate administration or to link your own user interfaces to vWAF.
- SNMP Interface
  Introduces the SNMP interface, which you can use to retrieve various administrative information.
- Regular Expressions
  Provides an overview on the syntax of the most important regular expressions that can be used in vWAF.
- Specifying IP Addresses
  Explains the syntax used to specify both IPv4 and IPv6 addresses, as well as ranges of IPv4 and IPv6 addresses.
- HTTP Error Codes
  Provides an overview of the HTTP Error Codes that vWAF generates and that you can define in many places.
- Accessible Python Modules and Functions
  Provides a summary of all Python commands that can be called by the Script Handler.
- External Authentication Framework
  Provides a reference and code snippets for using an external authentication service.
- [Wizards](docId:-qQssxi_OgAUUDYxAHBTn)
- [Handlers](docId\:XeQnKiGViEhlar6KhoTVF)
- [Preconditions (Selectors)](docId:4K-Q6R52t9m_t5LuXamCA)
- [Event Destinations](docId\:R_EjblMIUzLFdhcmh7Yy6)
- [Event Sources](docId\:dPTXYlLgkyjZ3YFbCspEM)
- [Log File Entries](docId\:u_iPO15PRlxomK203pzvT)
- [REST Interface](docId\:DLd8uNzGi2V6IEd2H5fD8)
- [SNMP Interface](docId\:v1TI0s79h47GSJfQ1LpTQ)
- [Regular Expressions](docId\:lIxeIxmAC-18te7JGz_Uz)
- [Specifying IP Addresses](docId\:rUMDSCo5lBgjtOsOUsY1-)
- [HTTP Error Codes](docId\:ma3_VqdDLcGCGQ4VSN4MV)
- [Accessible Python Modules and Functions](docId\:mzCKj9tgGfYRAe-pkcSRz)
- [External Authentication Framework](docId\:DwQFfCb94WbYIZMdVipbH)
- [Supported Encodings](docId:_sOs-Pp0M2zHr6Po7Gu5y)