About two weeks back we released Jersey 1.9. See Jakub’s blog for more info on what’s new. One thing Jakub didn’t mention is that Jersey 1.9 also includes a new server side filter for Cross Site Request Forgery prevention. I won’t go into the details on what CSRF is – please refer to the OWASP CSRF page for that. Unfortunately, the generally recommended prevention is to generate per-request or per