This article or the following section is not adequately provided with supporting documents ( e.g. individual evidence ). Information without sufficient evidence could be removed soon. Please help Wikipedia by researching the information and including good evidence.
Ipfwadm is a userspace - program to configure the firewall system's in the Linux kernel 2.0. It was further developed on the basis of the old system, which existed from Kernel 1.0 and at that time originated from the BSD system ( Ipfw ).