[olug] [OT] PCI authorize without actual posting
Dave Weis
djweis at internetsolver.com
Sun Apr 5 12:08:57 UTC 2009
Take a look at this page for the sequencing
http://philip.greenspun.com/panda/ecommerce
Search for An Extra Layer of Transactions to get to the useful parts.
It's a chapter of an online book about various web publishing things.
Some of the technology is a bit dated but it's definitely worth reading.
I've got the dead tree version.
Rob Townley wrote:
> PCI for this convo isn't Peripheral Component Interconnect, but
> Payment Card Industry. There should be a few pros on the list
> considering this is Omaha.
>
> There are authorizations to withdraw money and a few days later, the
> actual withdrawal - termed a post. Pay a bill online Friday morning
> and it shows up Friday morning via your banks website immediately.
> Saturday, the transaction disappears from your online account. Monday
> you wonder if you actually paid the bill. Tuesday, it appears again
> and the money is actually withdrawn.
>
> Have any of you had low level experience with a merchant processing
> system platform? gnucash may be an example, maybe. My banker said
> that sometimes the authorization goes through, but the merchant system
> does not go back and do a successful post to actually take the money
> out. I find that a little hard to believe - i mean there are bugs and
> then there is giving money away. Capitalism makes that bug
> impossible. The battery backup could die, but the transaction
> processing would fix it later, boss.
>
> Consider some frat boys renting a hotel room. The hotel may require a
> credit card and request authorization to withdraw for a hefty room
> deposit. This creates some kind of authorization number that usually
> goes unused. The frat boys check out Sunday morning calmly thinking
> management won't notice the hole in the wall and the missing faucet.
> Sunday afternoon, the cleaning lady reports the damage. Management
> cashes in that deposit authorization number, effectively converting it
> to a sale.
>
> I can see that authorizations and capturing a previous authorization
> would be two different steps, but nobody ever forgets that second
> step, right? No website is that dumb, right?
>
> For more info, do a search for tran_type on the following page.
> http://secure.netbilling.com/public/docs/merchant/public/directmode/directmode3protocol.html
>
> i have been up far too many hours ... sorry for the rambling.
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--
Dave Weis
Internet Solver
Your Technology Partner
515-224-9229
www.internetsolver.com
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