The author discusses how to prevent illegal user from entering the system with the help of integrality rules.
此外，笔者还探讨了利用系统完整性约束来防止非法用户对数据的不合理操作。
Authentication is an important part in the network security. It can prevent illegal user from accessing network.
身份认证是网络安全技术的一个重要组成部分，它限制非法用户访问网络资源。
However, since DHCP itself hasn't the ability to control access, illegal user can easily fabricate the IP address.
然而，DHCP由于本身不具有访问控制能力，极易造成IP地址盗用。
After loss of devices with important data, the way to protect sensitive data against aggression from illegal user is gaining more and more concern in modern storage technology field.
一旦存有重要数据的存储设备丢失、被盗窃，如何最大程度的阻止试图读取这些设备的非法用户获取核心保密数据是现代存储技术所最为注重的课题之一。
So it is necessary to adopt one encrypt intensity high algorithm encrypt some important data, in order to prevent that legal users operate over authority, illegal user attack viciously.
因此，有必要采用一种加密强度比较高的加密算法来加密一些重要数据，以防止合法用户的越权操作和非法用户的恶意攻击。
In the network stage, all kinds of resources in the library computer manage system will be damaged easily by illegal user. Using a separated network system can buildup security of the network.
图书馆计算机管理进入网络化阶段后，计算机系统的各类资源容易受到非法用户的破坏，而采取分网运行机制管理网络，能增强网络的安全性。
Any user designated as an administrator can update and manage any page (for example, to remove offensive or illegal content).
指派为管理员的任何用户都能更新和管理任何页面(例如，删除攻击性或非法内容)。
If a malicious user can overwrite the buffer, then the value of the flag can be changed, thus providing the attacker with illegal access to private files.
如果有不怀好意的使用者覆写缓冲区，则会变更标志的值，从而指出攻击者是非法存取专用文件。
The invention provides a trade system, a trade method and a trade server, which enables the legal user of the account to prevent the illegal attack to the account.
本发明提供一种交易系统、交易方法以及交易服务器，可催促账户的合法用户采取防止针对账户的非法攻击的对策。
Where there is any dispute due to illegal use, the user should be responsible for all consequences therefrom.
如因非法使用而致引起纠纷，一切后果均由使用者承担。
The supplier of sites or facilities, on discovering any user involved in illegal acts, shall report to the relevant authorities. Any connivance or shielding is forbidden.
场地、设施的提供者发现使用者有违法行为的，应当向有关部门举报，不得纵容、庇护。
The supplier of sites or facilities, on discovering any user involved in illegal acts, shall report to the relevant authorities. Any connivance or shielding is forbidden.
场地、设施的提供者发现使用者有违法行为的，应当向有关部门举报，不得纵容、庇护。
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