SEC-2098: X-Frame-Options to defend against clickjacking

[spring-projects-issues]

Marten Deinum (Migrated from SEC-2098) said:

Although a clickjacking filter is simple to implement it would be nice if spring security provided one out of the box with an easy way of configuring.

<sec:clickjack mode="deny" />
or
<sec:clickjack mode="sameorigin" />

[spring-projects-issues]

Marten Deinum said:

Created a pull request -> #24