php security

$_server[' php_self '] is often used in development, commonly used to refer to the current page address, and it is the system automatically generated global variables, also have any problems? Let's look at the following code first: ">This code is

One, Web server security PHP is nothing but a Web server module function, so first of all to ensure the security of the Web server. Of course, the Web server to be secure and must first ensure that the system security, so it is far, endless. PHP can

1.register_globals=onif (Check_admin ()){ $is _admin=true;} if ($is _admin){ do_something ();} ?>This section of code does not initialize $is_admin to Flase, if Register_globals is on, then we submit http://www.sectop.com/ex1.php?is_admin=true

a similar problem with a session exposure is conversation injection . This type of attack is based on your Web server's write permissions in addition to the Read permission to the session store directory. Therefore, there is a possibility to write a

Do not trust external sources $_get $_post $_request $_cookie $argv Php://stdin Php://input File_get_contents () Remote Database Remote API Data from the client Htmlentities '; Echo htmlentities ($input,

#1: Managing Installation ScriptsIf a developer has installed a PHP script for a third-party application, the script is used to install the entire application's working component and provide an access point. Most third-party packages recommend that

Copy Code code as follows: ? function My_addslashes ($string, $force = 0) { !defined (' MAGIC_QUOTES_GPC ') && define (' MAGIC_QUOTES_GPC ', GET_MAGIC_QUOTES_GPC ()); if (! MAGIC_QUOTES_GPC | | $force) { if (Is_array ($string)) { foreach ($

Copy Code code as follows: Safe filter input [JB] function Check_str ($string, $isurl = False) { $string = preg_replace ('/[\\x00-\\x08\\x0b\\x0c\\x0e-\\x1f]/', ', ', $string); $string = Str_replace (Array ("", "%00", "\ R"), ",

Yahoo's approach to forging cross-site requests is to add a random string of called. Crumb to the form, and Facebook has a similar solution, and its table dropdowns often have post_form_id and FB_DTSG.A more common and inexpensive precaution is to

Safety One, Web server security PHP is nothing but a Web server module function, so first of all to ensure the security of the Web server. Of course, the Web server to be secure and must first ensure that the system security, so it is far, endless.

Modify the php.ini configuration file, by default in the C:\Windows directory Safe Mode PHP's Safe_mode function restricts or disables many functions, and can solve PHP's security problems to a large extent. Find in the Safe Mode section: Safe_

5, File Upload PHP's file upload mechanism is to save the user uploaded files in the php.ini Upload_tmp_dir defined temporary directory (default is the system's temporary directory, such as:/tmp) in a similar phpxxuoxg random temporary file, the

Principle: 1.2.1. Deep precautions The principle of deep precaution is a well-known principle of security professionals, which illustrates the value of redundant security measures, as evidenced by history. The principle of deep precaution can be

One, Web server security PHP is nothing but a Web server module function, so first of all to ensure the security of the Web server. Of course, the Web server to be secure and must first ensure that the system security, so it is far, endless. PHP

Ziadoz a list of PHP resources that are maintained on GitHub, including libraries, frameworks, templates, security, code Analysis, logs, third-party libraries, configuration tools, Web tools, books, ebooks, classic blogs, and more. Bó Lè has

Www.php100.comhtmldujia201501058267.htmlwww.php100.comhtmldujia201501068277.html benefits are coming, PHP fans! Foreign programmer ziadoz collects various PHP resources on Github, including libraries and tools for templates, frameworks, databases,

Learn the essence of PHP and write efficient PHP code for security. I. filtering input and avoiding output sometimes we filter input by phrase and avoid abbreviated output as FIEO, which has become a security mantra for PHP applications. 1. use

At present, the Web site development based on PHP has become the mainstream of the current website development, the author focuses on the PHP website attack and security precautions to explore, aimed at reducing the vulnerability of the website, I

PHP Safe Learning Notes PHP Security Guide http://hhacker.com/files/200709/1/index.html ? PHP Security [Original book Information]"SAMS Teach yourself PHP in Minutes"Author:chris NewmanPublisher:sams PublishingPub Date:march 29, 2005Isbn:0-672-3

Dependency ManagementDependency and Package Management Library Composer/packagist: A package and dependency manager Composer Installers: A multi-frame Composer Library Installer Pickle: a php extension installer Other