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copied!<p>It seems your libcurl is built to use it's own name resolver, instead of system name resolver. In this case it does not use hosts file at all.</p> <p>There are 3 possible solutions of this:</p> <ol> <li>update your php_curl.dll (current windows php binaries 5.5.4);</li> <li>install local DNS server and configure it to use hosts file and configure your networking to use 127.0.0.1 as a DNS server;</li> <li>Set CURLOPT_DNS_USE_GLOBAL_CACHE to true (turned on by default) and CURLOPT_DNS_CACHE_TIMEOUT to a larger value (2 mins by default);</li> </ol> <p><strong>In addition:</strong> php 5.5.4 windows binaries from php.net uses system resolver for curl. It uses internal cache (when enebled with <code>CURLOPT_DNS_USE_GLOBAL_CACHE</code>) and system DNS cache. I have checked it with some tests. A also checked the speed of name resolution by curl - it's identical to localhost (for any records written in hosts file). So, i'm absolutely shure it's not a PHP problem:</p> <ol> <li>there is a mistake in <code>https://127.0.01/methodCall</code> must be <code>https://127.0.0.1/methodCall</code>. curl always return total_time = 0 in such cases.</li> <li>first of all try to request static content like an empty file and use http instead of https.</li> <li>disable all firewalls and uninstall all antivirus software (stopping antivirus software is not enought in some cases).</li> <li>check web-server's virtual hosting configuration, and look at what you're requesting.</li> <li>check all fields of <code>curl_getinfo($curl)</code>, especially <code>"primary_ip"</code>.</li> </ol>

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