SQL injection is when you injeccerar sql code against such website or software through an input field.
This vulnerability often comes through that you do not check its input (rule nr1 in programming).
for example, you can use the address bar of a standard Web browser to “injecting” (injecera) malicious SQL code.
A attacktyp that they mainly look to the login boxes and pages.
You learn just one program inlogningssekvensen for its intended target and then lets the program enter your username and password until it comes in..
The easiest way to reduce the ability of such an attack is to never use the default login.
Case sensitivity – Some systems make no distinction between uppercase and lowercase letters, while others do. For example, in Windows is CristianHerrera same as cristianherrera, This does not apply to systems based on the POSIX standard, systems such as Linux and UNIX, This has meant difficulties in communication between systems.
A server is a computer that provides a particular service which is then a client can connect to. For example, this page is located on a server that your web browser (client) download from this page via a language called HTTP.
A program used to use a particular service which is managed by a server. Your browser and your e-mail programs are 2 example of this