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How to open port on AWS EC2 Linux server
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============================================================
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_Small tutorial with screenshots which shows how to open port on AWS EC2 Linux server. This will help you to manage port specific services on EC2 server._
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* * *
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AWS i.e. Amazon Web Services is no new term for IT world. Its a cloud services platform offered by Amazon. Under its Free tier account it offers you limited services free of cost for one year. This is one of best place to try out new technologies without spending much on financial front.
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AWS offers server computing as one of their services and they call them as EC (Elastic Computing). Under this we can build our Linux servers. We have already seen [how to setup Linux server on AWS free of cost][11].
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By default, all Linux servers build under EC2 has post 22 i.e. SSH service port (inbound from all IP) is open only. So, if you are hosting any port specific service then relative port needs to be open on AWS firewall for your server.
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Also it has port 1 to 65535 are open too (outbound for all traffic). If you want to change this you can use same below process for editing outbound rules too.
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Setting up firewall rule on AWS for your server is easy job. You will be able to open ports in seconds for your server. I will walk you through procedure with screenshots to open port for EC2 server.
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_Step 1 :_
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Login to AWS account and navigate to EC2 management console. Goto Security Groups under Network & Security menu as highlighted below :
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* * *
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_Step 2 :_
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On Security Groups screen select you r EC2 server and under Actions menu select Edit inbound rules
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_Step 3:_
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Now you will be presented with inbound rule window. You can add/edit/delete inbound rules here. There are several protocols like http, nfs etc listed in dropdown menu which auto-populate ports for you. If you have custom service and port you can define it too.
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For example if you want to open port 80 then you have to select :
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* Type : http
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* Protocol : TCP
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* Port range : 80
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* Source : Anywhere (Open port 80 for all incoming req from any IP (0.0.0.0/0), My IP : then it will auto populate your current public internet IP
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* * *
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_Step 4:_
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Thats it. Once you save these settings your server inbound port 80 is open! you can check by telneting to port 80 ofor your EC2 server public DNS (can be found it EC2 server details)
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You can also check it on websites like [ping.eu][12].
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--------------------------------------------------------------------------------
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via: http://kerneltalks.com/virtualization/how-to-open-port-on-aws-ec2-linux-server/
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作者：[Shrikant Lavhate ][a]
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译者：[译者ID](https://github.com/译者ID)
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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) 原创编译，[Linux中国](https://linux.cn/) 荣誉推出
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[a]:http://kerneltalks.com/virtualization/how-to-open-port-on-aws-ec2-linux-server/
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[1]:http://kerneltalks.com/virtualization/how-to-open-port-on-aws-ec2-linux-server/#
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[2]:http://kerneltalks.com/virtualization/how-to-open-port-on-aws-ec2-linux-server/#
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[3]:http://kerneltalks.com/virtualization/how-to-open-port-on-aws-ec2-linux-server/#
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[4]:http://kerneltalks.com/virtualization/how-to-open-port-on-aws-ec2-linux-server/#
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[5]:http://kerneltalks.com/virtualization/how-to-open-port-on-aws-ec2-linux-server/#
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[6]:http://kerneltalks.com/virtualization/how-to-open-port-on-aws-ec2-linux-server/#
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[7]:http://kerneltalks.com/virtualization/how-to-open-port-on-aws-ec2-linux-server/#
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[8]:http://kerneltalks.com/virtualization/how-to-open-port-on-aws-ec2-linux-server/#
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[9]:http://kerneltalks.com/virtualization/how-to-open-port-on-aws-ec2-linux-server/#
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[10]:http://kerneltalks.com/author/shrikant/
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[11]:http://kerneltalks.com/howto/install-ec2-linux-server-aws-with-screenshots/
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[12]:http://ping.eu/port-chk/
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如何在 AWS EC2 的 Linux 服务器上打开端口
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============================================================
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_这是一篇用屏幕截图解释如何在 AWS EC2 Linux 服务器上打开端口的教程。它能帮助你管理 EC2 服务器上特定端口的服务。_
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* * *
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AWS（即 Amazon Web Services）不是 IT 世界中的新术语。它是亚马逊提供的云服务平台。它的免费帐户能为你提供一年的有限免费服务。这是尝试新技术而不用花费金钱的最好的方式之一。
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AWS 提供服务器计算作为他们的服务之一，他们称之为EC（弹性计算）。因此我们可以构建我们的 Linux 服务器。我们已经看到了[如何在 AWS 上设置免费的 Linux 服务器][11]了。
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默认情况下，所有基于 EC2 的 Linux 服务器都有 22 端口，即 SSH 服务端口（所有 IP 的入站）只能打开。因此，如果你托管了任何特定端口的服务，则相应端口需要在你的服务器的 AWS 防火墙上打开。
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同样它的 1 到 65535 的端口是打开的（所有出站流量）。如果你想改变这个，你可以使用下面的方法编辑出站规则。
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在 AWS 上为你的服务器设置防火墙规则很容易。你能够在几秒钟内为你的服务器打开端口。我将用截图指导你如何打开 EC2 服务器的端口。
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_步骤1 ：_
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登录 AWS 帐户并进入 EC2 管理控制台。进入网络及安全菜单下的安全组，如下所示：
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* * *
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_步骤 2 :_
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在安全组中选择你的 EC2 服务器并在行动菜单下选择编辑入站规则。
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_步骤 3:_
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现在你会看到入站规则窗口。你可以在此处添加/编辑/删除入站规则。这有几个如 http、nfs 等列在下拉菜单中，它们可以为你自动填充端口。如果你有自定义服务和端口，你也可以定义它。
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比如，如果你想要打开 80 端口，你需要选择：
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* 类型：http
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* 协议：TCP
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* 端口范围：80
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* 源：任何来源（打开 80 端口接受来自任何IP（0.0.0.0/0）的请求），我的 IP：那么它会自动填充你当前的公共互联网 IP
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* * *
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_步骤 4:_
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就是这样了。保存完毕后，你的服务器入站 80 端口将会打开！你可以 telnet 到 EC2 公共 DNS 服务器的 80 端口了（可以在 EC2 服务器详细信息中找到）
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你也可以在 [ping.eu][12] 等网站上查看。
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--------------------------------------------------------------------------------
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via: http://kerneltalks.com/virtualization/how-to-open-port-on-aws-ec2-linux-server/
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作者：[Shrikant Lavhate ][a]
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译者：[geekpi](https://github.com/geekpi)
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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) 原创编译，[Linux中国](https://linux.cn/) 荣誉推出
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[a]:http://kerneltalks.com/virtualization/how-to-open-port-on-aws-ec2-linux-server/
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[1]:http://kerneltalks.com/virtualization/how-to-open-port-on-aws-ec2-linux-server/#
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[2]:http://kerneltalks.com/virtualization/how-to-open-port-on-aws-ec2-linux-server/#
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[3]:http://kerneltalks.com/virtualization/how-to-open-port-on-aws-ec2-linux-server/#
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[4]:http://kerneltalks.com/virtualization/how-to-open-port-on-aws-ec2-linux-server/#
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[5]:http://kerneltalks.com/virtualization/how-to-open-port-on-aws-ec2-linux-server/#
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[6]:http://kerneltalks.com/virtualization/how-to-open-port-on-aws-ec2-linux-server/#
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[7]:http://kerneltalks.com/virtualization/how-to-open-port-on-aws-ec2-linux-server/#
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[8]:http://kerneltalks.com/virtualization/how-to-open-port-on-aws-ec2-linux-server/#
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[9]:http://kerneltalks.com/virtualization/how-to-open-port-on-aws-ec2-linux-server/#
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[10]:http://kerneltalks.com/author/shrikant/
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[11]:http://kerneltalks.com/howto/install-ec2-linux-server-aws-with-screenshots/
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[12]:http://ping.eu/port-chk/
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