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<p>request, the cached response will be invalidated.Many CDNs and manufacturers of network equipment have replaced this standard HTTP cache control with dynamic caching.</p>

<p><big>Legality</big></p>
<p>In 1998, the <a href="page.php?w=Digital_Millennium_Copyright_Act">Digital Millennium Copyright Act</a> added rules to the United States Code (17 U.S.C. §: 512) that exempts system operators from copyright liability for the purposes of caching.</p>

<p><big>Server-side software</big></p>
<p>This is a list of server-side web caching software.</p>

<p><big> See also </big></p><p>
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