How Do You Prevent Sql-injection In A Php Application Accepting User Input Strings? | HackingTruths Blog

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29 May

How Do You Prevent Sql-injection In A Php Application Accepting User Input Strings?

Author: admin // Category: SQl Injection

There is only one key to prevent SQL-injection attacks - validate your user inputs.
Check to see if there are any characters that may exploit the SQL syntax e.g.
1. ‘ (single quote) - you should add another single quote so that it becomes an escape sequence
2. — (consequtive dashes, it indicates that the forthcoming characters are comment) - you should again use escape sequences.
For a detailed description on escape sequences, consult the documentation of the DBMS that you are using

Tags: Accepting, Application, Input, Prevent, Sqlinjection, Strings, User

2 Responses to “How Do You Prevent Sql-injection In A Php Application Accepting User Input Strings?”

Deobrat Says:
May 30th, 2009 at 1:32 am
You need to find yourself a copy of the ACM Queue magazine for December 2005. Volume 3, No.10. There is a solution and description on page 13/14.
ziggy_sh Says:
May 30th, 2009 at 2:02 am
Be sure u have “register_globals = OFF” in php.ini

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