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Re: Document sniffing for type information

From: Nick Kew <nick@webthing.com>
Date: Tue, 3 Dec 2002 19:16:42 +0000 (GMT)
To: Charles McCathieNevile <charles@w3.org>
cc: Al Gilman <asgilman@iamdigex.net>, w3c-wai-ig@w3.org
Message-ID: <Pine.LNX.4.21.0212031912050.1578-100000@jarl.webthing.com>

On Tue, 3 Dec 2002, Charles McCathieNevile wrote:

> This means that sniffing the type of the document by looking inside it is
> bound to be unreliable in a system where one program can handle content in
> two or more ways.


It's not only unreliable, it's a security risk, described in detail in
MIME standards going back to 1992.  Many of the Windows email worms
(aka viruses) - from Melissa onward - are based on M$'s violation of the

Nick Kew
Received on Tuesday, 3 December 2002 14:16:45 UTC

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