Question about ulimit (Shell bomb proteccion)

The Shell Fork Bomb/Memory Hog Protection Enabled it's a good tools, but with latest version of java get a problem

Code:

Error occurred during initialization of VM 
Could not reserve enough space for object heap

Well. I'm try to assign at one user a diferent value for ulimit command.

Natural code for ulimit it's /etc/profile or /etc/bashrc

In this files are located code added from Cpanel with this tools.

Well.

After several tries, we earse manually code on two files.

C lose shell and reconnect.

ulimit it's valid, and show limits imposed for Cpanel

Who work exactly Shell bomb proteccion?
There're more files afected for this utils?

Where it's the best way for modify values assigned for Shell bomb proteccion?