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try to update according to the wiki
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Open Source SDN Project OpenDaylight Adds New Members
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================================================================================
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The [Linux Foundation][1]'s [OpenDaylight][2] project for promoting open source [software-defined networking][3] (SDN) continues to grow. [Extreme Networks][4] (EXTR), [Flextronics][5] and [Oracle][6] (ORCL) are now among the initiative's members.
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The three companies, which officially joined OpenDaylight June 5, bring the total number of OpenDaylight project members to 39. The project also enjoys the support of 195 developers collaborating to help build an open source SDN platform.
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The new members bring additional expertise in data center and cloud computing design and infrastructure to OpenDaylight's portfolio. Extreme Networks specializes in high-performance networking solutions for enterprises, while Flextronics provides systems design, manufacturing and logistics. Oracle's broad operations, meanwhile, focus on a variety of areas in the cloud and the data center.
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OpenDaylight leaders are celebrating the project's membership growth as a further step toward creating an SDN ecosystem that is centered on open standards and free from domination by particular organizations. "More voices at the table means stronger debate and better code," said Jacques Neela, executive director, OpenDaylight. "We are thrilled to see such a diversity of new members joining who represent an even broader range of perspectives on SDN and NFV."
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The first software release from OpenDaylight, which was itself formed in April 2013, [appeared in February][7] under the name Hydrogen.
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--------------------------------------------------------------------------------
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via: http://thevarguy.com/open-source-application-software-companies/open-source-sdn-project-opendaylight-adds-new-members
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译者：[译者ID](https://github.com/译者ID) 校对：[校对者ID](https://github.com/校对者ID)
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本文由 [LCTT](https://github.com/LCTT/TranslateProject) 原创翻译，[Linux中国](http://linux.cn/) 荣誉推出
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[1]:http://linuxfoundation.org/
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[2]:http://www.opendaylight.org/
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[3]:http://thevarguy.com/sdn
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[4]:http://www.extremenetworks.com/
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[5]:http://www.flextronics.com/
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[6]:http://oracle.com/
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[7]:http://thevarguy.com/open-source-application-software-companies/020514/embargo-until-feb-4-1130-am-est-opendaylight-releases-fir
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Ubuntu Desktop Next 14.10 Images Available to Download
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================================================================================
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Unity 8′s tablet face
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**Desktop builds of Ubuntu 14.10 using Unity 8 and Mir by default have [been made available][1] to download — not that most users will want to.**
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Plans for a separate Unity 8 desktop flavour were [discussed last month][2]. The aim of the images is to provide developers and testers with a means to identify and document the types of changes needed to tailor both fledgling technologies to traditional desktop usage.
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What these images are not is any sort of stable consumer release ready for production testing. These builds are, and will continue to be, highly unstable, buggy and in a state of feature flux from now up until October — and possibly beyond. Anyone expecting a polished, useable or ‘converged’ desktop will be sorely disappointed as the Unity 8 desktop ISO currently uses the Tablet UI.
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### Work Getting Underway ###
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Work on building competent window management features into Mir and Unity 8 is only just getting underway. Similarly, since desktop-grade graphics chips are yet to add Mir compatible GPU drivers the experience will vary wildly between hardware and users. Virtual machine support is also not a given.
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As Unity 8 on the desktop starts to come together users won’t be presented with a UI too dissimilar to what they’re used to, hinted Ubuntu’s founder Mark Shuttleworth in a recent video Q&A.
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This is good news. Microsoft tried to foist a tablet, touch-orientated UI on desktop users with Windows 8. Reception was mixed and the critical mauling severe. It has had to continually issue “refinements” — ‘concessions’ if you want to be cynical — to counter the complaints.
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### Download Unity 8 Desktop Builds ###
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Regular Ubuntu 14.10, due for release on October 23, will continue to be based on X.Org, Compiz and Unity 7. Unity 8 running on Mir is expected to be made default desktop before the next LTS, due in April 2016.
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Largely unusable at this point, the images linked to below are designed primarily to assist developers test and improve, not help Joe User spin TARDIS-style to Ubuntu’s future.
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- [Download Ubuntu Desktop Next 14.10 (.iso)][3]
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--------------------------------------------------------------------------------
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via:http://www.omgubuntu.co.uk/2014/06/unity-8-daily-build-images-go-live
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译者：[译者ID](https://github.com/译者ID) 校对：[校对者ID](https://github.com/校对者ID)
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本文由 [LCTT](https://github.com/LCTT/TranslateProject) 原创翻译，[Linux中国](http://linux.cn/) 荣誉推出
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[1]:https://blueprints.launchpad.net/ubuntu/+spec/client-1410-unity8-desktop-iso
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[2]:http://www.omgubuntu.co.uk/2014/05/ubuntu-unity-8-desktop-flavour-discussed
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[3]:http://cdimage.ubuntu.com/ubuntu-desktop-next/daily-live/current/
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9 Good Ways To Protect Your Linux System
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================================================================================
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Securing your Linux-based system is very important nowadays. But you have to know how to do this. A simple anti-malware software is usually not good enough and you need to take some other steps. Try these,
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### 1. Use SELinux ###
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[SELinux][1] is a security enhancement to Linux, which allows users and administrators more control over access control. SELinux adds finer granularity to access controls. Instead of only being able to specify who can read, write or execute a file, for example, SELinux lets you specify who can unlink, append only, move a file and so on.
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### 2. Subscribe to a Vulnerability Alert Service ###
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Your operating system may not necessarily be the one that is vulnerable. In fact, vulnerabilities are most often found in the applications that one installs. In order to avoid this, you must keep your applications updated to the newest version. In addition, subscribe to alert services like [SecurityFocus][2].
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### 3. Disable Unused Services and Applications ###
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In general, users do not use half of the services and applications on their system for most of the time. These services and applications though are kept running, which could make for an invitation to attackers. It is best to keep unused services stopped.
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### 4. Check System Logs ###
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Your system logs tell you what activity has happened on the system, including whether an attacker has been successful in or tried to access the system. Being careful is your first line of defense and your system logs should be regularly monitored for this.
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### 5. Consider Port Knocking ###
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Setting up port knocking is a good way to establish a secure connection with a server. What basically happens is that a special package is sent to the server, which triggers a response/connection from the server. Port knocking is a good defensive manuever for those who have open ports on their systems.
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### 6. Use Iptables ###
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What is Iptables? This is an application framework, which allows the user to write their own powerful firewall for the system. So, learn how to write a good firewall and use the Iptables framework in order to do well.
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### 7. Deny All by Default ###
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Firewalls follow two philosophies: one is to allow every bit of traffic and the other is to deny access to everything, prompting you for permission. The second option is the better of the two. You should only allow the traffic that is important to come in.
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### 8. Use an Intrusion Detection System ###
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An Intrusion Detection System or IDS allows you to manage the traffic and attacks on your system better. [Snort][3]
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Encrypted data is harder and sometimes impossible to steal, which is why you should keep your entire drive encrypted. This way if someone does get access to your system, they will still have a very hard time getting by the encryption. According to some reports, most data loss is through stolen machines.
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--------------------------------------------------------------------------------
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via: http://www.efytimes.com/e1/fullnews.asp?edid=141368
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译者：[译者ID](https://github.com/译者ID) 校对：[校对者ID](https://github.com/校对者ID)
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本文由 [LCTT](https://github.com/LCTT/TranslateProject) 原创翻译，[Linux中国](http://linux.cn/) 荣誉推出
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[1]:http://selinuxproject.org/page/Main_Page
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[2]:http://www.securityfocus.com/rss/vulnerabilities.xml
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[3]:http://www.snort.org/
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开源SDN项目OpenDaylight添加新成员
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================================================================================
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[Linux基金会][1]的[OpenDaylight][2] 项目促进开源。[软件定义网络][3] (SDN) 继续增长。 [Extreme Networks][4] (EXTR), [Flextronics][5]和[Oracle][6] (ORCL) 现在也是该项目成员了。
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三个公司6月5日正式加入OpenDaylight，成员数达到到39。该项目还有195位合作开发人员，以建立一个开放源码的SDN平台。
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新成员带来在数据中心和云计算的设计和基础设施的知识。Extreme Networks是专业提供高性能网络解决方案的企业，而Flextronics提供系统设计、制作和组织工作。Oracle有广泛的业务，同时专注于各种领域的云计算和数据中心。
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OpenDaylight 领导人正在庆祝项目的会员增长并进一步走向创造一个以开放标准为中心和避免垄断的SDN生态系统。OpenDaylight执行主任Jacques Neela说："更多的声音意味着更强的辩论和更好的代码，我们很高兴看到这种多样性的新成员加入来加宽探讨SDN和NFV的领域"。
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OpenDaylight的第一款正式软件就是在2013年4月发布的OpenDaylight，该软件首次以Hydrogen的名字在二月出现
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--------------------------------------------------------------------------------
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via: http://thevarguy.com/open-source-application-software-companies/open-source-sdn-project-opendaylight-adds-new-members
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译者：[2q1w2007](https://github.com/2q1w2007) 校对：[校对者ID](https://github.com/校对者ID)
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本文由 [LCTT](https://github.com/LCTT/TranslateProject) 原创翻译，[Linux中国](http://linux.cn/) 荣誉推出
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[1]:http://linuxfoundation.org/
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[2]:http://www.opendaylight.org/
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[3]:http://thevarguy.com/sdn
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[4]:http://www.extremenetworks.com/
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[5]:http://www.flextronics.com/
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[6]:http://oracle.com/
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[7]:http://thevarguy.com/open-source-application-software-companies/020514/embargo-until-feb-4-1130-am-est-opendaylight-releases-fir
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下一代Ubuntu14.10镜像已开放下载
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================================================================================
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Ubuntu 运行在8寸平板上
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**不像大多数用户想得那样，Ubuntu 14.10 的桌面版默认使用Unity 8和Mir([现已可下载][1])**
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根据[上个月的讨论][2]Ubuntu 14.10镜像计划提供单独的Unity 8桌面。 提供此镜像目的是给开发者和测试人员提供一个识别并记录从传统界面到使用两种新技术的界面的变化的手段。
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此镜像并不为为任何稳定的消费者进行生产测试。这个版本会并将会是极不稳定而充满bug的，在十月之前还会不断有变动。所有想要一个完美的、可用的或统一的的桌面的人都会失望，因为Unity 8桌面版镜像用的是平板的UI。
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### 工作进行中 ###
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为Mir和Unity 8建立足够的窗口管理特性的工作正在进行中。同样的，在桌面显卡完全兼容Mir之前，硬件和用户之间发生的经历将会不同，而且不会支持虚拟机。
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桌面Unity 8界面将开始融合平板UI，用户会提出界面与原来相差太大的问题，详见Ubuntu的创始人Mark Shuttleworth最近的视频的问答模块。
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这是个好消息，微软在桌面Windows8上强加了平板界面和为触摸屏设计的UI。结果被骂的不轻，不得不不断地发出"改进"——在你吐槽后让步，来对付投诉。
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### 下载Unity 8桌面版本 ###
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按计划Ubuntu 14.10预定在10月23日发行稳定版，继续基于 X.Org，Compiz和Unity 7。运行在Mir的Unity8预计将在2016年4月作出下一个 LTS之前成为新的的默认桌面。
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此版本还不具有可用性，下方链接的镜像只是为了协助开发人员测试和完善，不是为了用户适应新的TARDIS样式。
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- [下载下一代Ubuntu14.10 (.iso)][3]
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--------------------------------------------------------------------------------
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via:http://www.omgubuntu.co.uk/2014/06/unity-8-daily-build-images-go-live
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译者：[2q1w2007](https://github.com/2q1w2007) 校对：[校对者ID](https://github.com/校对者ID)
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本文由 [LCTT](https://github.com/LCTT/TranslateProject) 原创翻译，[Linux中国](http://linux.cn/) 荣誉推出
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[1]:https://blueprints.launchpad.net/ubuntu/+spec/client-1410-unity8-desktop-iso
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[2]:http://www.omgubuntu.co.uk/2014/05/ubuntu-unity-8-desktop-flavour-discussed
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[3]:http://cdimage.ubuntu.com/ubuntu-desktop-next/daily-live/current/
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保护你的Linux系统的9种好方法
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================================================================================
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在现在这个世道中，保障基于Linux的系统的安全是十分重要的。但是，你得知道怎么干。一个简单反恶意程序软件这是远远不够的，你需要采取其它措施来协同工作。那么试试下面这些手段吧。
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### 1. 使用SELinux ###
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[SELinux][1]是用来对Linux进行安全加固的，有了它，用户和管理们就可以对访问控制进行更多控制。SELinux为访问控制添加了更细的颗粒度控制。与仅可以指定谁可以读、写或执行一个文件的权限不同的是，SELinux可以让你指定谁可以解链接，仅追加，移动一个文件之类。
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### 2. 订阅漏洞警报服务 ###
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你的操作系统可能不一定受伤害的那一台。事实上，漏洞多见于安装的应用程序之中。为了避免这个问题的发生，你必须保持你的应用程序更新到最新版本。此外，订阅漏洞警报服务，如[SecurityFocus][2]。
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### 3. 禁用不用的服务和应用 ###
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通常来讲，用户大多数时候都用不到他们系统上的服务和应用的一半。然而，这些服务和应用还是会运行，这会招来攻击者。因而，最好是把这些不用的服务停掉。
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### 4. 检查系统日志 ###
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你的系统日志告诉你在系统上发生了什么活动，包括攻击者是否成功进入或试着访问系统。时刻保持警惕，是你第一条防线，而经常性地监控系统日志就是为了守好这道防线。
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### 5. 考虑使用端口敲门 ###
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设置端口敲门是建立服务器安全连接的好方法。而基本上会发生的问题是，别有用心的人会发送一个特别的包给服务器，这个包会开启来自服务器的回应/连接。端口敲门对于那些有开放端口的系统上是一个很好的防护措施。
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### 6. 使用Iptables ###
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Iptables是什么？这是一个应用程序框架，它允许用户自己为系统写一个强大的防火墙。因此，要做得好，就要学习怎样一个好的防火墙以及怎样使用Iptables框架。
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### 7. 默认拒绝所有 ###
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防火墙允许两个宗旨：一个是允许每一点通信，另一个是拒绝所有访问，提示你是否许可。第二个选项是两者中更好的一个。你应该只允许那些重要的通信进入。
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### 8. 使用入侵检测系统 ###
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入侵检测系统，或者叫IDS，允许你更好地管理系统上的通信和受到的攻击。[Snort][3]
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加密的数据更难窃取，有时候根本不可能被窃取，这就是你应该对整个驱动器加密的原因。采用这种方式后，如果有某个人进入到你的系统，那么他看到这些加密的数据后，就有得头痛了。根据一些报告，大多数数据丢失源于机器被盗。
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--------------------------------------------------------------------------------
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||||
via: http://www.efytimes.com/e1/fullnews.asp?edid=141368
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||||
译者：[GOLinux](https://github.com/GOLinux) 校对：[校对者ID](https://github.com/校对者ID)
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|
||||
本文由 [LCTT](https://github.com/LCTT/TranslateProject) 原创翻译，[Linux中国](http://linux.cn/) 荣誉推出
|
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|
||||
[1]:http://selinuxproject.org/page/Main_Page
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[2]:http://www.securityfocus.com/rss/vulnerabilities.xml
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[3]:http://www.snort.org/
|
||||
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