security.intro.html

来自「php的帮助文档,涉及到PHP的案例和基本语法,以及实际应用内容」· HTML 代码 · 共 56 行

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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html> <head>  <title>Introduction</title>  <meta http-equiv="content-type" content="text/html; charset=UTF-8"> </head> <body><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="security.html">Security</a></div> <div class="next" style="text-align: right; float: right;"><a href="security.general.html">General considerations</a></div> <div class="up"><a href="security.html">Security</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div><hr /><div>  <h1>Introduction</h1>  <p class="simpara">   PHP is a powerful language and the interpreter, whether included   in a web server as a module or executed as a separate   <acronym title="Common Gateway Interface">CGI</acronym> binary, is able to access files, execute   commands and open network connections on the server.  These   properties make anything run on a web server insecure by default.   PHP is designed specifically to be a more secure language for   writing CGI programs than Perl or C, and with correct selection of   compile-time and runtime configuration options, and proper coding   practices, it can give you exactly the combination of freedom and   security you need.  </p>  <p class="simpara">   As there are many different ways of utilizing PHP, there are many   configuration options controlling its behaviour.  A large   selection of options guarantees you can use PHP for a lot of   purposes, but it also means there are combinations of these   options and server configurations that result in an insecure   setup.  </p>  <p class="simpara">   The configuration flexibility of PHP is equally rivalled by the   code flexibility. PHP can be used to build complete server   applications, with all the power of a shell user, or it can be used   for simple server-side includes with little risk in a tightly   controlled environment. How you build that environment, and how   secure it is, is largely up to the PHP developer.  </p>  <p class="simpara">   This chapter starts with some general security advice, explains   the different configuration option combinations and the situations   they can be safely used, and describes different considerations in   coding for different levels of security.  </p> </div><hr /><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="security.html">Security</a></div> <div class="next" style="text-align: right; float: right;"><a href="security.general.html">General considerations</a></div> <div class="up"><a href="security.html">Security</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div></body></html>

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