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I want to enable Spring Security XSS protection in my application.
1) Read docs and blogs, and https://spring.io/blog/2013/08/23/spring-security-3-2-0-rc1-highlights-security-headers/ indicates XSS is there by default
2) And http://docs.spring.io/spring-security/site/docs/current/reference/html/headers.html indicates it is not there by default
3) If I use http.headers().xssProtection() in my configure method in an class extending WebSecurityConfigurerAdapter: does that disable all the other default headers?
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For adding a Spring Boot Security to your Spring Boot application, we need to add the Spring Boot Starter Security dependency in our build configuration file. Maven users can add the following dependency in the pom. xml file. Gradle users can add the following dependency in the build.
If a cross-site scripting attack is detected, the browser will sanitize the page (remove the unsafe parts). Enables XSS filtering. Rather than sanitizing the page, the browser will prevent rendering of the page if an attack is detected.
Introduction. Content security policy (CSP) is a computer security standard that adds a layer of protection against cross-site scripting (XSS), clickjacking, and other client-facing data injection attacks.
The defaults wouldn't be disabled until you specifically include the below code to disable the default.
http.headers().defaultsDisabled()
Reg point 1 and 2, my understanding is both blog and doc have the same information.
X-XSS-Protection: 1; mode=block
The filtering (filtering out XSS attacks) is typically enabled by default, so adding the header typically just ensures it is enabled and instructs the browser what to do when a XSS attack is detected.
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