Error 404--Not Found
From RFC 2068 Hypertext Transfer Protocol -- HTTP/1.1:
10.4.5 404 Not Found
The server has not found anything matching the Request-URI. No indication is given of whether the condition is temporary or permanent.
If the server does not wish to make this information available to the client, the status code 403 (Forbidden) can be used instead. The 410 (Gone) status code SHOULD be used if the server knows, through some internally configurable mechanism, that an old resource is permanently unavailable and has no forwarding address.
While much has been made of Microsoft's adoption of public-key-infrastructure (PKI) smart cards following a hacker break-in a number of years back, Microsoft has found that the chip-based cards are good for more than just an identity check. In the Microsoft cafeteria, you can use them to pay for lunch.
"I can put money on my card in the cashless cafeteria at Microsoft," said Candy Stark, Microsoft's security group manager when recently discussing how Microsoft makes use of its multi-purpose identity badge.
The cafeteria at Microsoft is wired so that the cashier can then scan the card to subtract the money to pay for food if the employee chooses to do that instead of paying in cash or other means.
The cards are 32K Windows-based smart cards manufactured by Indala. Microsoft is also slowly migrating over to the Axalto 128K chip.
The smart cards have an antenna inside them so they can be read in a "contactless" manner without having to directly pull them through a reader. Microsoft distributes its identity smart cards to employees for building entry and computer access. That's in addition to letting them use them to pay for lunch.
The biggest pain associated with PKI-based smart cards, says Stark, is the annual revocation of old digital certificates and issuing of new ones. And the biggest problem with PKI is that there's not a standard way yet to clear old certificates off the card. Whether it's Entrust or VeriSign or GTE, it's not automatic, Stark points out.
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