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    <h1>The method</h1> <p>Connect to port 80 on the host and send it</p> <pre><code>HEAD / HTTP/1.0 </code></pre> <p>This needs to be followed by carriage-return + line-feed twice</p> <p>You'll get back something like this </p> <pre><code>HTTP/1.1 200 OK Date: Fri, 03 Oct 2008 12:39:43 GMT Server: Apache/2.2.9 (Ubuntu) DAV/2 SVN/1.5.0 PHP/5.2.6-1ubuntu4 with Suhosin-Patch mod_perl/2.0.4 Perl/v5.10.0 Last-Modified: Thu, 02 Aug 2007 20:50:09 GMT ETag: "438118-197-436bd96872240" Accept-Ranges: bytes Content-Length: 407 Connection: close Content-Type: text/html; charset=UTF-8 </code></pre> <p>You can then extract the apache version from the Server: header</p> <h1>Typical tools you can use</h1> <p>You could use the HEAD utility which comes with a full install of Perl's <a href="http://search.cpan.org/~gaas/libwww-perl-5.816/lib/LWP.pm" rel="noreferrer">LWP</a> library, e.g.</p> <pre><code>HEAD http://your.webserver.com/ </code></pre> <p>Or, use the <a href="http://curl.haxx.se/" rel="noreferrer">curl</a> utility, e.g.</p> <pre><code> curl --head http://your.webserver.com/ </code></pre> <p>You could also use a browser extension which lets you view server headers, such as <a href="https://addons.mozilla.org/en-US/firefox/addon/3829" rel="noreferrer">Live HTTP Headers</a> or <a href="https://addons.mozilla.org/en-US/firefox/addon/1843" rel="noreferrer">Firebug</a> for Firefox, or <a href="http://www.fiddlertool.com/fiddler/" rel="noreferrer">Fiddler</a> for IE</p> <h1>Stuck with Windows?</h1> <p>Finally. if you're on Windows, and have nothing else at your disposal, open a command prompt (Start Menu->Run, type "cmd" and press return), and then type this</p> <pre><code>telnet your.webserver.com 80 </code></pre> <p>Then type (carefully, your characters won't be echoed back)</p> <pre><code>HEAD / HTTP/1.0 </code></pre> <p>Press return twice and you'll see the server headers.</p> <h1>Other methods</h1> <p>As mentioned by cfeduke and Veynom, the server may be set to return limited information in the Server: header. Try and upload a PHP script to your host with this in it</p> <pre><code>&lt;?php phpinfo() ?&gt; </code></pre> <p>Request the page with a web browser and you should see the Apache version reported there.</p> <p>You could also try and use <a href="http://phpshell.sourceforge.net/" rel="noreferrer">PHPShell</a> to have a poke around, try a command like</p> <pre><code>/usr/sbin/apache2 -V </code></pre>
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    1. POHow do I find the version of Apache running without access to the command line?
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    1. USPaul Dixon
    1. USPaul Dixon
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    1. POHow do I find the version of Apache running without access to the command line?
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    1. COSo close. However the server just says "Apache" with no version details at all
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    2. COJust what I wrote as well. :) Only Apache in some cases.
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    3. COAdditionally, when using the command prompt on Windows 7, it's important to note that telnet needs to be enabled: Start > Control Panel > Programs And Features > Turn Windows features on or off > Ensure "Telnet Client" is checked > Hit OK
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