Root-kits / non-modularized kernel? [was: ipchains/iptables stuff]

On Thu, 25 Apr 2002, Roman Drahtmueller wrote:

any memory, and the security standpoint doesn't suggest a non-modularized kernel any more.

Could you elaborate on that a little more? I thought, that the nastiest root-kits available exploit the module mechanisms? Not true? Regards, Michael