RE: [fw-wiz] secure infrastructure question

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From: "Ahmed, Balal" <balal.ahmed@cgey.com>
To: "'m p'" <sumirati@yahoo.de>, "Alan R. Young" <aryoung@veros.com>, firewall-wizards@honor.icsalabs.com
Date: Wed, 23 Apr 2003 12:46:51 +0100

rather than go through the pains of writting your own web application /
Database, encrypting the CC data, penetration testing the application,
insuring against fraud and data loss, configuring DMZ's / layered
architecture........etc etc etc.

Why not hyperlink of to one of the many CC clearing buerau services that
provide this functionality at a fraction of the cost and effort it will take
you to set this up? I have seen large B2B and B2C platforms do this to
transfer responsibility, and to a certain extent, risk on to a specialist
third party.

-----Original Message-----
From: m p [mailto:sumirati@yahoo.de]
Sent: 23 April 2003 01:05
To: Alan R. Young; firewall-wizards@honor.icsalabs.com
Subject: Re: [fw-wiz] secure infrastructure question

 --- "Alan R. Young" <aryoung@veros.com> schrieb: >
Hello All
>
> I am looking for ideas and references.
>
> I want to set up a membership-based web site, where
> the members can
> leave their credit card on file with us, and after
> they use up their
> account balance, they can renew their membership
> using the credit card
> that we have on file.
>
> So how do you build a secure web infrastructure that
> would maximize the
> safety of the customers' credit cards accounts? What
> type of
> firewalls/etc would I need?
>

Firewalls? What for? You are asking for a complete
setup. That is not a question for "what firewall
vendor do you advise".

Ok, so I will do a part of your work:

You have your application running on the outside.
There you send a message to a system in a private DMZ
which has the accounting database _without_ the credit
card numbers. Only the amount of time/money is stored
there. And perhaps the last/first 5 digits of the CCN
plus the issuer and the experation date.

If the customer wants to renew his membership you will
only display him those digits and perhaps the issuer
and ask him if he wants to reuse that card.

The CCNs will _only_ be stored in your heavy secured
internal network and while in transit on the outside
systems after the customer has entered it and before
the inside system has polled them.

That is a design and not a firewall question.

Marc

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• Previous message: Eric Tan Keng Siang (FS): "[fw-wiz] vpn with fw4.1 and ngfp3"
• Maybe in reply to: Alan R. Young: "[fw-wiz] secure infrastructure question"
• Next in thread: Carl Friedberg: "RE: [fw-wiz] secure infrastructure question"
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