【摘要】 移动Agent技术是分布式人工智能与Internet相结合的产物，具有很好的应用前景，但是移动Agent系统的安全性是一个不容忽视的问题， 而在移动Agent系统所涉及到的安全问题中，尤以保护移动Agent不受恶意主机攻击最为复杂和重要。该文总结了到目前为止的各种保护措施,并比较了各自的优点及局限性。更多还原

【Abstract】 The mobile agent technology is the combination of the distributed intelligence and Internet. It has brilliant future but the obstacle is the issue of security, especially protecting mobile agent from malicious hosts. The paper concludes most of the common countermeasures. Furthermore it makes a comparison, points out their advantages and limitations.更多还原