Linux Firewalls, Third Edition

Using a GrSecurity Kernel

A logical order exists for implementing a kernel with Grsec. If you've compiled your own kernel before, some of these steps aren't necessary. Truthfully, some of the steps within this section aren't fully required either, but I'll go through them to lessen the chance of something going wrong during the process of getting up to speed with Grsec.

Downloading Grsec and a Fresh Kernel

Both GrSecurity and a fresh kernel need to be downloaded from their respective Internet sites. The kernel source can be downloaded in a few different archive formats with bzip2 being the smallest in download size. Download the kernel source from http://www.kernel.org/. The kernel.org site will contain a few versions of the kernel right on the ...