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From Rob Hartill <>
Subject Re: ETag?
Date Wed, 13 Nov 1996 16:09:51 GMT wrote:
>I noticed that spits out the following header:
>ETag: "cf30d-2144-328856ce"
>Anybody care to enlighten me as to what this is for?

it's your credit card number encoded.

"EntityTag" ?  some kind of unique identifier for a response based
on date/size/inode number  'n stuff.

I never followed the spec to see what it's for but the obvious use is to
determine if responses are for the same version of an object. Probably
useful for when requesting ranges - you don't want the range of a different
version of the response. guess.

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