0x01 backgroundToday's web programs basically have a global filter for SQL injection, like PHP to open the GPC or on the global file common.php using the Addslashes () function to filter the received parameters, especially single quotes. In this
In those years, we will explore the global protection of SQL injection and the UrlDecode of Bypass.0x01 background
Currently, WEB programs basically have global filtering for SQL injection, such as enabling GPC in PHP or common in global files. use
[PHP code audit instance tutorial] SQL injection-2. global protection Bypass UrlDecode 0x01 background
Currently, WEB programs basically have global filtering for SQL injection, such as enabling GPC in PHP or common in global files. use the
0x01 backgroundToday's web programs basically have a global filter for SQL injection, like PHP to open the GPC or on the global file common.php using the Addslashes () function to filter the received parameters, especially single quotes. In this
Url transfer of Chinese characters, solutions for special dangerous characters (for reference only) urldecode, base64_encode. Url-based solutions for transmitting Chinese characters and special dangerous characters (for reference only): During the
Url transfer of Chinese characters, solutions for special dangerous characters (for reference only) urldecode, base64_encode
In the process of web development, when we need to pass Chinese characters or other special characters such as html in the
In the process of web development, when we need to pass in the URL of the Chinese character or other special characters such as HTML, it always seems to encounter a variety of small problems, because different browsers for their coding is not the
It is a coincidence and helpless move to use this thing. Accidentally inserted some data after httputility. urlencodeunicode in the database. Some fields in the database are structured like % uxxxx.
Search for the half-day T-SQL urldecode function,
In section 2005, we have more options. We can use the new syntax CTE (Public table expression). The paging stored procedures include the following:
1. Use Not in and select top
2. Use the value of id greater than or select top
3. Use the cursor in
I. Types of injection attacks
There may be many different types of attack motives, but at first glance there seems to be more types. This is very real-if a malicious user discovers a way to execute multiple queries. We'll discuss this in more detail
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