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MD5 is the most common cryptographic algorithm used in Web applications. Since the MD5 is irreversible, the ciphertext after MD5 calculation can not get the original text through the reverse algorithm. The intention of using MD5 encrypted text passwords in Web applications is to prevent the passwords stored in the database from being compromised and then being directly acquired. However, the attackers not only have a large number of password dictionaries, but also set up a lot of MD5 original/ciphertext control database, can quickly find common password MD5 ciphertext, is the efficient way to decipher MD5 ciphertext. However, the number of MD5 ciphertext ...
The .htaccess file allows us to modify some server settings for a particular directory and its subdirectories. Although this type of configuration is best handled in the section of the server's own configuration file, sometimes we do not have permission to access this configuration file at all, especially when We are on a shared hosting host, and most shared hosting providers only allow us to change server behavior in .htaccess. .htaccess file is a simple text file, note the "." before the file name is very important, we can use your favorite text editor ...
Recent learning URL jump when new into three PHP encryption and decryption function is very good, looks like the discuz ... Use these encryption to decrypt the reason is because sometimes their own URL address was acquired after you want to break inside the value of the content you must know your key, no key, he should be broken for a while to know the content of your URL. Pack them into a file called fun.php bar <?php function Passport_encrypt ...
HTML Invoke PHP Tutorial validator <!doctype HTML Public "-//W3C//DTD XHTML 1.0 transitional//en" "http://www.jzread.com/tr/xhtml1/ Dtd/xhtml1-transitional.dtd "> <html lang=" En-us&q ...
Recently the site is often attacked, and later thought of a way to use php tutorial to prevent the site from being attacked. Here is my code, the code is not the best, according to their needs to do, here's my code. / * * Anti-ip attack code website website (anti-ip attack code website) 2010-11-20, ver2.0 * mydalle.com anti-refresh mechanism * design by www.jzread.com ...
php tutorial generic anti-injection is mainly to filter some sql command and php post get pass over reference / we want to filter some illegal characters, so that you can prevent the basic injection, and that off the apache server installation settings method is also necessary. Administrator user name and password are taken md5 encryption, so that we can effectively prevent the injection of php. There are servers and mysql tutorials should also strengthen some security precautions. For linux server security settings: encrypted password, use "/ usr / sbin / authconf ...
AddSlashes: String added to the slash. bin2hex: binary into hexadecimal. Chop: Remove continuous blanks. Chr: returns the ordinal value of the character. chunk_split: The string is divided into small pieces. convert_cyr_string: Converts the ancient Slavonic string into another string. crypt: Encrypt the string with DES encoding. echo: output string. explode: cut the string. flush: clear the output buffer. ...
The intermediary transaction SEO diagnoses Taobao guest Cloud host Technology Hall website completes, the maintenance and the management becomes the work which needs to carry on continuously. In this chapter, the site will be optimized for internal links, efficient maintenance, PR upgrade way to introduce. First, optimize the internal links of the site two, the site efficient maintenance of three common sense three, improve the site PageRank have a coup four, site exchange links to beware of counterfeit five, against the vulgar ban on the site's illegal content six, simple configuration let Web server impregnable ...
Intermediary transaction http://www.aliyun.com/zixun/aggregation/6858.html ">seo diagnose Taobao guest cloud host Technology Hall Autumn October, is the harvest season, but some do garbage station stationmaster Harvest is not rank and PR, But ruthless by K, from this Baidu algorithm adjustment can be seen, Baidu for the standard is more inclined to Google, that is, the content of the original test more stringent, some collected even false original articles, ...
phpMyFAQ is a multilingual FAQ system that is similar to Baidu's knowledge and supports multiple databases. phpMyFAQ has content management capabilities, image management, support for multiple users, user groups, news systems, user tracking, language modules, support Microsoft active directry Active Directory. Operating environment: Requires a PHP environment (5.2, or higher). Features: phpMyFAQ specifically has the following characteristics: supporting a variety of database MySQL, Postgre ...
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