HttpFirewall (spring-security-docs-manual 5.5.3 API)

All Known Implementing Classes:

DefaultHttpFirewall, StrictHttpFirewall
```
public interface HttpFirewall
```
Interface which can be used to reject potentially dangerous requests and/or wrap them to control their behaviour.
The implementation is injected into the FilterChainProxy and will be invoked before sending any request through the filter chain. It can also provide a response wrapper if the response behaviour should also be restricted.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`FirewalledRequest`	`getFirewalledRequest(javax.servlet.http.HttpServletRequest request)`	Provides the request object which will be passed through the filter chain.
`javax.servlet.http.HttpServletResponse`	`getFirewalledResponse(javax.servlet.http.HttpServletResponse response)`	Provides the response which will be passed through the filter chain.

- Method Detail
  - getFirewalledRequest
```
FirewalledRequest getFirewalledRequest(javax.servlet.http.HttpServletRequest request)
                                throws RequestRejectedException
```
    Provides the request object which will be passed through the filter chain.
    
    Throws:
    
    RequestRejectedException - if the request should be rejected immediately
  - getFirewalledResponse
```
javax.servlet.http.HttpServletResponse getFirewalledResponse(javax.servlet.http.HttpServletResponse response)
```
    Provides the response which will be passed through the filter chain.
    
    Parameters:
    
    response - the original response
    
    Returns:
    
    either the original response or a replacement/wrapper.