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    SubjectRe: One for the Security Guru's
    On Thu, 2002-10-24 at 10:38, Henning P. Schmiedehausen wrote:
    > Gerhard Mack <> writes:
    > >Actually at the place that just went bankrupt on me I had a Security
    > >consultant complain that 2 of my servers were outside the firewall. He
    > >recommended that I get a firewall just for those 2 servers but backed off
    > >when I pointed out that I would need to open all of the same ports that
    > >are open on the server anyways so the vulnerability isn't any less with
    > >the firewall.
    > So you should've bought a more expensive firewall that offers protocol
    > based forwarding instead of being a simple packet filter.
    > packet filter != firewall. That's the main lie behind most of the
    > "Linux based" firewalls.
    > Get the real thing. Checkpoint. PIX. But that's a little
    > more expensive than "xxx firewall based on Linux".

    Thats not entirely accurate, or fair. A packet filter is a type of
    Firewall (or can be). A Firewall is a means to implement a security
    policy, usually specifically a network access policy. A Packet Filter,
    including a ""Linux based" firewall" is a perfectly acceptable means of
    achieving that goal, if it meets the policy requirements.

    Ref. (over 7 years
    old, but still highly relevant).

    Most commercial firewalls are very bad at protecting servers offering
    Internet services, they aren't designed to do it.


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