环境中有许多其他因素会影响性能，包括网络使用率、服务器上的其他程序、拒绝服务攻击以及电源线被绊断。
Many other factors in the environment can affect performance, including network utilization, other programs on the server, denial of service attacks, and tripping over the power cord.
利用分布式拒绝服务（DDoS）攻击，激进黑客使用僵尸网络和用服务器请求淹没目标网站的方式，让网站无法访问。
Using a Distributed Denial of Service (DDoS) attack, hacktivists make websites inaccessible using botnets, and overwhelming the target site with server requests.
僵尸网络通常被用于进行分布式拒绝服务(Distributed Denial of service,DDoS)攻击，其可以通过使其流量过载的方式使网络服务器瘫痪；但这种新的攻击与之不同。
Botnets are often used to perform distributed denial-of-service (DDoS) attacks, which bring web servers down by overloading them with traffic, but this new line of attack is different.
现在有一些第三方产品可以防止DominoWeb服务器上的拒绝服务型攻击。
There are third-party products that are available to prevent Denial of Service type of attacks on a Domino Web server.
如果服务器CPU和内存的运用率极高，那么应该检查DominoWeb日志是否存在拒绝服务型攻击。
If the server CPU and memory seem to be running excessively high, the Domino Web logs should be checked for a Denial of Service type of attack.
配置不安全的邮件服务器，可能会受到从拒绝服务、入侵到邮件中继、垃圾邮件之类的攻击。
Building insecure E-mail server will be probably attacked by DOS, intrusion, E-mail relay freely, spam and so on.
对分布式拒绝服务攻击的防护，传统的方法是采用路由访问控制列表过滤的防护方法，无法识别虚假地址和针对应用层的攻击，而且容易造成服务器无法向外部提供正常的服务。
The traditional detect method of adopting acl for DOS can not identify the attack aiming at the fake address and application layer, and easily made the server cannot apply the normal service for user.
注意：这使得通过一个脚本向远程服务器打开大量的连接的方式进行“拒绝服务攻击”更困难。
NOTE: This makes it harder for a script to perform a denial-of - service attack by just opening a large number of WebSocket connections to a remote host.
注意：这使得通过一个脚本向远程服务器打开大量的连接的方式进行“拒绝服务攻击”更困难。
NOTE: This makes it harder for a script to perform a denial-of - service attack by just opening a large number of WebSocket connections to a remote host.
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