Re: [fw-wiz] firewalls and routers

On 11/15/06, phil connelly <fillconn@xxxxxxxxxxx> wrote:
I'm afraid I have some really basic questions (I'm trying to resolve a
potential security issue where I work).

1. if we are using a router, does that mean a computer that processes credit
cards does not need to have its firewall enabled?
2. can a router have a firewall and if so, how does one get to it to
configure it?

thx

pc


Generally you would want a 'real' firewall in between the router and
the credit card computer. By 'real' I would mean a stateful hardware
firewall at the minimum, something like a PIX. In any case a machine
that is specifically for security of the systems on your cc processor.

so

{internet} ------ [router] ------- [firewall] ----- [credit card processor]

A firewall on the computer is nice, but a general purpose operating
systems are prone to being successfully attacked. Packet filtering on
the router is also a good thing to turn on but neither is a
replacement for the real firewall.

sai
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