blocks|key|930001|text|type|unstyled|depth|inlineStyleRanges|entityRanges|data|930002|是否有任何AWS服务/设置可将EC2实例连接到固定IP|blockquote|930003|930004|930005|您可以将Elastic+IP+address与您的实例关联：|offset|length|930006|弹性IP地址是可从internet访问的公共IPv4地址。如果您的实例没有公有IPv4地址，您可以将弹性IP地址与您的实例关联，以实现与internet的通信。例如，这允许您从本地计算机连接到实例。|style|BOLD|930007|930008|此外，EIP+is+free只要：|930009|弹性IP地址与正在运行的与弹性IP地址关联的instance.|930010|The实例相关联。|unordered-list-item|930011|
|930012|该实例只连接了一个弹性IP地址。|930013|930014|有了弹性公网EIP，您可以通过A记录将其与域名关联。|CODE|930015|entityMap|0|LINK|mutability|MUTABLE|url|https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/elastic-ip-addresses-eip.html|1|https://aws.amazon.com/premiumsupport/knowledge-center/elastic-ip-charges/^0|0|0|0|0|4|I|0|0|K|8|0|0|3|B|1|0|0|0|0|0|0|F|1|0^^$0|@$1|2|3|-4|4|5|6|1D|7|@]|8|@]|9|$]]|$1|A|3|B|4|C|6|1E|7|@]|8|@]|9|$]]|$1|D|3|-4|4|5|6|1F|7|@]|8|@]|9|$]]|$1|E|3|-4|4|5|6|1G|7|@]|8|@]|9|$]]|$1|F|3|G|4|5|6|1H|7|@]|8|@$H|1I|I|1J|1|1K]]|9|$]]|$1|J|3|K|4|5|6|1L|7|@$H|1M|I|1N|L|M]]|8|@]|9|$]]|$1|N|3|-4|4|5|6|1O|7|@]|8|@]|9|$]]|$1|O|3|P|4|5|6|1P|7|@]|8|@$H|1Q|I|1R|1|1S]]|9|$]]|$1|Q|3|R|4|5|6|1T|7|@]|8|@]|9|$]]|$1|S|3|T|4|U|6|1U|7|@]|8|@]|9|$]]|$1|V|3|W|4|5|6|1V|7|@]|8|@]|9|$]]|$1|X|3|Y|4|U|6|1W|7|@]|8|@]|9|$]]|$1|Z|3|-4|4|5|6|1X|7|@]|8|@]|9|$]]|$1|10|3|11|4|5|6|1Y|7|@$H|1Z|I|20|L|12]]|8|@]|9|$]]|$1|13|3|-4|4|5|6|21|7|@]|8|@]|9|$]]]|14|$15|$4|16|17|18|9|$19|1A]]|1B|$4|16|17|18|9|$19|1C]]]]

<blockquote>
Is there any AWS service/setup to have the EC2 instance connect to a fixed IP
</blockquote>
You can associate <a href="https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/elastic-ip-addresses-eip.html" rel="nofollow noreferrer">Elastic IP address</a> with your instance:
<blockquote>
An Elastic IP address is a public IPv4 address, which is reachable from the internet. If your instance does not have a public IPv4 address, you can associate an Elastic IP address with your instance to enable communication with the internet. For example, this allows you to connect to your instance from your local computer.
</blockquote>
What's more, <a href="https://aws.amazon.com/premiumsupport/knowledge-center/elastic-ip-charges/" rel="nofollow noreferrer">EIP is free</a> as long as:
<ul>
<li>The Elastic IP address is associated with an EC2 instance.</li>
<li>The instance associated with the Elastic IP address is running.</li>
<li>The instance has only one Elastic IP address attached to it.</li>
</ul>
Having the EIP you can associate it with a domain through an <code>A</code> record.

blocks|key|4141615|text|可以，您可以使用弹性ip为ec2实例分配固定IP地址，分配弹性IP并将弹性IP与Ec2实例关联，具体步骤如下：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|4141616|转到ec2仪表板，单击网络和安全下的弹性IPS，然后单击分配弹性IP地址并单击分配|4141617|一旦分配了IP，您需要将其与EC2实例相关联单击ip地址并转到Actions并选择associate+Elastic+IP+address。在资源类型中，选择Instance和，然后从instance字段的下拉列表中选择实例，然后单击Associate。|4141618|entityMap^0|0|0|0^^$0|@$1|2|3|4|5|6|7|H|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|I|8|@]|9|@]|A|$]]|$1|D|3|E|5|6|7|J|8|@]|9|@]|A|$]]|$1|F|3|-4|5|6|7|K|8|@]|9|@]|A|$]]]|G|$]]

Yes you can assign a fix ip address to ec2 instance using &quot;Elastic ip&quot;
To allocate an Elastic IP and associate it with an Ec2 instance follow below steps:
Go to ec2 dashboard click on elastic IPS under Network &amp; security then click on Allocate Elastic IP address and click Allocate
Once an IP is allocated you need to associate it with the EC2 Instance
Click ip address and go to Actions and choose Associate Elastic IP address.
In the Resource type choose Instance and and choose the instance from the dropdown on the Instance field and click Associate.

I need to create a security group that allows traffic between an EC2 instance and a certain domain.
Problem is, the IP associated to a domain can change (or there can be multiple IPs), so I can't create a security group.
Is there any AWS service/setup to have the EC2 instance connect to a fixed IP, that then connects to the given domain?

Is there any AWS setup that can associate a fixed IP to a domain?

翻译质量差，导致语言生硬或混乱。

没有提供实际的解决方法或示例。

解答不清晰，无法理解或解决问题。

页面排版不美观，阅读体验差。

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我需要创建一个安全组，允许EC2实例和某个域名之间的流量。问题是，一个域名关联的IP可能会发生变化(也可能有多个IP)，所以我不能创建安全组。是否有任何亚马逊网络服务服务/设置，使EC2实例连接到固定IP，然后连接到给定域？

问是否有可将固定IP关联到域的AWS设置？
EN

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问是否有可将固定IP关联到域的AWS设置？EN