Linee guida per la configurazione di un ambiente operativo che ospiti un software legacy. Lo studio di un caso: ripristino di un sistema con SearchServer™

摘要

The installation of a System that have toudhost a legacy software and, at the same time,udguarantee a certain security and availabilityuddegree, is a task that must take careudof several aspects. Legacy software, inudfact, makes it harder to build a secure system.udThis is because one of the principaludsecurity issues concern the presenceudof bugs in software. Each software, in general,udhas some bugs, and the number ofudbugs increases as the software complexityuddoes. Such errors are discovered timeudby time during the software utilization, onceudthey are known, they can be correctedudby the software developers, who care ofudproducing and distributing software updates.udA not-updated software presents errorsudnot corrected, that may produce theudsystem crash. Often, since they may beudknown, can be exploited by attacker forudtaking control of the system.udThis document wants to propose someudguidelines for the installation and confi-udguration of a operating environment thatudhave to host a legacy software. It is usedudas a case study the configuration of a systemudfor hosting SearchServer™, whichudrelease had been distributed ten yearsudearlier.