Matt Hartley has written an article on Intranet Journal about (in his opinion) the 5 best Linux/BSD Firewall tools:
- Linux LiveCD Router
Over the course of recent years, some people have found the quality of most out-of-the-store firewall appliances either lacking functionality or worse, set at a price that has made them generally out of reach.
Because of this issue, I thought it would be beneficial to write an article to better highlight what works and what does not with regard to turning an older PC into a standalone router/firewall appliance.
Regardless of a fantastic effort by IPCop, there is just something to be said about rocking solid BSD solutions. The first that comes to mind is that from m0n0wall. It’s small, 12 MBs small! That is the single biggest distinguishing thing to note about m0n0wall. Its size and portability, that is. Designed to be a replacement for those expensive firewall appliances used today, m0n0wall works on embedded machines, in addition to being quite useful on older x86 PCs as well.
Definitely a little more advanced from a usability standpoint than other solutions out there, but do not let this fool you, because m0n0wall is VERY powerful in all of its BSD goodness. This being said, it should be noted that even though m0n0wall is workable on a older PC, it shines best on embedded systems being used by more advanced administrators. Therefore, this is not a really good solution for new Windows converts looking to convert their old PC into something cool.
From what I have been told, the pfSense project was started by the same people as m0n0wall. Those looking to revamp an older PC might be better off going with pfSense. Plenty of features to speak of. Most notable among them include:
- Redundancy — By creating a fallover group, the network will remain secure even in the event of interfaces that go offline for some reason.
- Load Balancing — Provides both inbound and outbound balancing between WAN connections or multiple servers, depending on which way the traffic happens to be going.
- Captive Portal — Force the user to authenticate or simply find themselves redirected to wherever you wish.
Source (IntranetJournal – 16/12/2008)