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SPDY: do not reject headers with empty value (ticket #396). A quote from SPDY draft 2 specification: "The length of each name and value must be greater than zero. A receiver of a zero-length name or value must send a RST_STREAM with code PROTOCOL error." But it appears that Chrome browser allows sending requests over SPDY/2 connection using JavaScript that contain headers with empty values. For better compatibility across SPDY clients and to be compliant with HTTP, such headers are no longer rejected. Also, it is worth noting that in SPDY draft 3 the statement has been changed so that it permits empty values for headers.
author Valentin Bartenev <vbart@nginx.com>
date Thu, 15 Aug 2013 19:16:09 +0400
parents b5ba6f22a0fc
children 1cd63ae46243
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1 <!DOCTYPE html>
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2 <html>
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3 <head>
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4 <title>Error</title>
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5 <style>
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6 body {
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7 width: 35em;
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8 margin: 0 auto;
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9 font-family: Tahoma, Verdana, Arial, sans-serif;
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10 }
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11 </style>
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12 </head>
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13 <body>
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14 <h1>An error occurred.</h1>
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15 <p>Sorry, the page you are looking for is currently unavailable.<br/>
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16 Please try again later.</p>
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17 <p>If you are the system administrator of this resource then you should check
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18 the <a href="http://nginx.org/r/error_log">error log</a> for details.</p>
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19 <p><em>Faithfully yours, nginx.</em></p>
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20 </body>
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21 </html>