Linux Weekly News gives mostly a thumbs down to Linux Firewalls as well as Building Linux and OpenBSD Firewalls. Read their review to learn of some good points, as well as the bad. "Here we review two Linux firewalling . . . Linux Weekly News gives mostly a thumbs down to Linux Firewalls as well as Building Linux and OpenBSD Firewalls. Read their review to learn of some good points, as well as the bad. "Here we review two Linux firewalling offerings, neither of which is as good as it really could be, but one of which is not bad."