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-*- mode: outline; coding: utf-8 -*-
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* Web server in Cygwin.
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$ setup -p apache2,lighttpd,dhttp
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690
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* Encoding HTTP data.
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Starting with HTTP/1.1, web clients can indicate support for compression:
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Accept-Encoding: gzip, deflate
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Web server notifies the web client of this via the Content-Encoding header in the response:
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Content-Encoding: gzip
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* ETags.
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Server respond:
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HTTP/1.1 200 OK
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Last-Modified: Tue, 12 Dec 2006 03:03:59 GMT
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ETag: "10c24bc-4ab-457e1c1f"
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Content-Length: 12195
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Lately client send:
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GET /i/yahoo.gif HTTP/1.1
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Host: us.yimg.com
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If-Modified-Since: Tue, 12 Dec 2006 03:03:59 GMT
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If-None-Match: "10c24bc-4ab-457e1c1f"
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and get respond:
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HTTP/1.1 304 Not Modified
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