Blog sobre MySQL, una de las bases de datos más extendidas en el mundo de la web. Aprende el correcto uso de las bases de datos, sus ventajas y peligros.
El CNTG es el Centro de Nuevas Tecnologías de Galicia. Uno de sus objetivos es contribuir a la formación del colectivo profesional introduciendo el uso de las nuevas tecnologías. Este organismo ha organizado una ponencia sobre seguridad web, en particular sobre las inyecciones en consultas a mysql. Un tema que a todo programador web debería […]
Hoy vamos a explicar en un sencillo tutorial como instalar Apache2, PHP5, MySQL y phpmyadmin en nuestro servidor bajo Ubuntu 11.10. Lo primero que haremos es abrir el terminal del sistema operativo. Podemos escribir en el buscador de Ubuntu «terminal» o presionar CTRL+ALT+T Por supuesto necesitamos permisos de root para realizar todas estas instalaciones. Vamos […]
¿Que es un ataque SQL injection? Los ataques mediante SQL injection se aprovechan de errores en la filtración de los datos que introduce el usuario de la web y permite al atacante hacerse el control de la aplicación. Ejemplo práctico Veamos una consulta básica, la identificación de un usuario en una web $u=$_POST[’usuario’]; $p=$_POST[’password’]; SELECT […]
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