<div style="margin: 12px 0px; font-family: arial; color: #333333; background: #ffffff; border: solid 4px #e5e5e5; width: 100%; clear: left;"><div class="CM_CTB_Content_Wrap" style="margin: 0px; padding: 0px;background-color: #ffffff;"><div style="border-bottom: solid 1px #dcdcdc; white-space: nowrap; margin-bottom: 8px; background-color: #eeeeee ;background-image: url(http://clipmarks.com/images/source-bg.gif); background-repeat: repeat-x; height: 24px; line-height: 24px; vertical-align: middle; padding-bottom: 4px; color: #666666; font-size: 10px;" ><a href="http://clipmarks.com/clip-to-blog/" title="see clips that are hot right now"><img src="http://content.clipmarks.com/blog_embed/902b8712-f947-4224-a01e-d33c681e66c4/C3205500-01D7-456E-BE07-C78FA7A5EEC3/" alt="" width="19" height="19" border="0" style="vertical-align: middle; margin: 0px 4px; display: inline; border: none; float:none;" /></a>clipped from <a title="http://en.wikipedia.org/w/index.php?title=Internet_censorship_in_mainland_China&oldid=39726145" href="http://en.wikipedia.org/w/index.php?title=Internet_censorship_in_mainland_China&oldid=39726145" style="font-size: 11px;">en.wikipedia.org</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://en.wikipedia.org/w/index.php?title=Internet_censorship_in_mainland_China&oldid=39726145">The firewall part of the system is known outside mainland China as the <b>Great Firewall of China</b> (in reference both to its role as a network <a href="http://en.wikipedia.org/wiki/Firewall_%28networking%29" title="Firewall (networking)">firewall</a> and to the ancient <a href="http://en.wikipedia.org/wiki/Great_Wall_of_China" title="Great Wall of China">Great Wall of China</a>). The system blocks content by preventing <a href="http://en.wikipedia.org/wiki/IP_address" title="IP address">IP addresses</a> from being routed through and consists of standard firewall and <a href="http://en.wikipedia.org/wiki/Proxy_server" title="Proxy server">proxy servers</a> at the <a href="http://en.wikipedia.org/wiki/Internet" title="Internet">Internet</a> <a href="http://en.wikipedia.org/wiki/Gateway" title="Gateway">gateways</a>. The system also selectively engages in <a href="http://en.wikipedia.org/wiki/DNS_poisoning" title="DNS poisoning">DNS poisoning</a> when particular sites are requested. The government does not appear to be systematically examining Internet content, as this appears to be technically impractical.</blockquote></div><div style="margin: 0px 6px 6px 4px;"><table style="font-size: 11px;border-spacing: 0px;padding: 0px;" cellpadding="0" cellspacing="0" width="100%"><tr><td style="background:transparent;border-width:0px;padding:0px;">&nbsp;</td><td align="right" style="background:transparent;border-width:0px;padding:0px;width:107px" width="107"><a href="http://clipmarks.com/share/C3205500-01D7-456E-BE07-C78FA7A5EEC3/blog/" title="blog or email this clip"><img src="http://content6.clipmarks.com/images/c2b-foot.png" border="0" alt="blog it" width="107" height="17" style="border-width:0px;padding:0px;margin:0px;" /></a></td></tr></table></div></div>

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