Security is one of the most important issues that human beings have been involved with. So, they attempted to achieve this security by varieties of defensive instruments. Defense is the complex of actions that are done in order to guarantee independence, integrity protection, territorial and people preservation against enemy attacks. This defense has two genre- military and non military- But nowadays, these are called practicable defense and impracticable defense. Impracticable defense means that we don’t need the armor directly but it needs some of predicted actions for confronting the enemy that increases not only enemy expenses but also defensive power of local forces. There are some historical and ethical texts about impracticable defense in Iran and Islamic history. Impracticable defense has many branches. The most important one that attracted a lot of people in past periods were placement, solidity, raud, concealment. Among these mentioned cases, placement, solidity and fraud were more attractive. Placement was especially more attractive in making cities and placing armies in its suitable place. Solidity was important in making cities and trifurcation of elements Kohandedj, Sharestan, Rabz and defensive elements such as battlement, tower and gate. Fraud has also its own place and they tried to achieve dominance over the enemy by fraud and illusion. Discussing about the above mentioned cases are the topic of the following essay.
karimi A, alipoor silab J. A look at the historical concept of passive defense in Islamic era. مطالعات تاریخ اسلام 2013; 5 (18) :93-116 URL: http://journal.pte.ac.ir/article-1-282-en.html