Purple Hearts atwork di Alberto Turelli - soluzioni software & web
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atwork di Alberto Turelli - soluzioni software & web.

  • Certificazioni GNU/Linux LPIC-1 e LPIC-2
  • Certificazioni MySQL 5.0 Developer e DBA

  • Consulenza relativa a GNU/Linux (Debian in particolare) e al software libero
  • Migrazione di server, workstation e reti da Windows a GNU/Linux
  • Installazione, configurazione e manutenzione dei seguenti servizi su piattaforma GNU/Linux:
    • Server web (Apache, Tomcat)
    • Server database (MySQL)
    • Server email (Postfix, Qmail, Courier) con filtri antispam (Spamassassin) e antivirus (ClamAV)
  • Configurazione ed amministrazione di reti GNU/Linux e di reti miste (Windows, GNU/Linux, BSD, Unix, Mac OS X)
  • Progettazione e realizzazione di database e applicativi web-based (HTML/CSS/Javascript, PHP, JSP e MySQL)
  • Sviluppo software in Java
  • Installazione, configurazione e manutenzione portali con Joomla! e Mambo
  • Corsi GNU/Linux: introduzione, amministrazione del sistema, server, desktop, sicurezza
  • Corsi per certificazioni: GNU/Linux (LPIC-1 e LPIC-2) e MySQL (Core, Professional, 5.0 Developer e 5.0 DBA)

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O'Reilly Linuxdevcenter.com :: How Shellcodes Work PDF Print E-mail
Written by bibe   
Tuesday, 23 May 2006
It's not an easy task to find a vulnerable service and find an exploit for it. It's also not easy to defend against users who might want to exploit your system, if you are a system administrator. However, writing an exploit by yourself, to convert a news line from bug tracker into a working lockpick, is much more difficult. This article is not a guide on writing exploits, nor an overview of popular vulnerabilities. This is a step-by-step guide on developing a shellcode, a crucial point of any exploit software. Hopefully, learning how they work will help conscientious and respectable developers and system administrators to understand how malefactors think and to defend their systems against them.
Read more on O'Reilly Linuxdevcenter.com
 
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