Amazon Elastic Compute Cloud 终端节点和配额
以下是此服务的服务终端节点和服务配额。要通过编程方式连接到 AWS 服务，您需要使用终端节点。有关更多信息，请参阅 AWS 服务终端节点。服务配额（也称为限制）是您的 AWS 账户的最大服务资源或操作数量。有关更多信息，请参阅 AWS 服务配额。
服务终端节点
| 区域名称 | 区域 | 终端节点 | 协议 |
|---|---|---|---|
| 美国东部 (俄亥俄) | us-east-2 |
ec2.us-east-2.amazonaws.com ec2-fips.us-east-2.amazonaws.com |
HTTP and HTTPS HTTPS |
| 美国东部 (弗吉尼亚北部) | us-east-1 |
ec2.us-east-1.amazonaws.com ec2-fips.us-east-1.amazonaws.com |
HTTP and HTTPS HTTPS |
| 美国西部 (加利福尼亚北部) | us-west-1 |
ec2.us-west-1.amazonaws.com ec2-fips.us-west-1.amazonaws.com |
HTTP and HTTPS HTTPS |
| 美国西部 (俄勒冈) | us-west-2 |
ec2.us-west-2.amazonaws.com ec2-fips.us-west-2.amazonaws.com |
HTTP and HTTPS HTTPS |
| 非洲（开普敦） | af-south-1 | ec2.af-south-1.amazonaws.com | HTTP and HTTPS |
| 亚太区域 (香港) | ap-east-1 | ec2.ap-east-1.amazonaws.com | HTTP and HTTPS |
| 亚太区域 (孟买) | ap-south-1 | ec2.ap-south-1.amazonaws.com | HTTP and HTTPS |
| 亚太区域(大阪本地) | ap-northeast-3 | ec2.ap-northeast-3.amazonaws.com | HTTP and HTTPS |
| 亚太区域 (首尔) | ap-northeast-2 | ec2.ap-northeast-2.amazonaws.com | HTTP and HTTPS |
| 亚太地区 (新加坡) | ap-southeast-1 | ec2.ap-southeast-1.amazonaws.com | HTTP and HTTPS |
| 亚太地区 (悉尼) | ap-southeast-2 | ec2.ap-southeast-2.amazonaws.com | HTTP and HTTPS |
| 亚太地区 (东京) | ap-northeast-1 | ec2.ap-northeast-1.amazonaws.com | HTTP and HTTPS |
| 加拿大（中部) | ca-central-1 |
ec2.ca-central-1.amazonaws.com ec2-fips.ca-central-1.amazonaws.com |
HTTP and HTTPS HTTPS |
| 中国 (北京) | cn-north-1 | ec2.cn-north-1.amazonaws.com.cn | HTTP and HTTPS |
| 中国（宁夏） | cn-northwest-1 | ec2.cn-northwest-1.amazonaws.com.cn | HTTP and HTTPS |
| 歐洲 (法蘭克福) | eu-central-1 | ec2.eu-central-1.amazonaws.com | HTTP and HTTPS |
| 歐洲 (愛爾蘭) | eu-west-1 | ec2.eu-west-1.amazonaws.com | HTTP and HTTPS |
| 歐洲 (倫敦) | eu-west-2 | ec2.eu-west-2.amazonaws.com | HTTP and HTTPS |
| 「歐洲」(米蘭) | eu-south-1 | ec2.eu-south-1.amazonaws.com | HTTP and HTTPS |
| 歐洲 (巴黎) | eu-west-3 | ec2.eu-west-3.amazonaws.com | HTTP and HTTPS |
| 歐洲 (斯德哥爾摩) | eu-north-1 | ec2.eu-north-1.amazonaws.com | HTTP and HTTPS |
| 中东 (巴林) | me-south-1 | ec2.me-south-1.amazonaws.com | HTTP and HTTPS |
| 南美洲 (圣保罗) | sa-east-1 | ec2.sa-east-1.amazonaws.com | HTTP and HTTPS |
| AWS GovCloud (美国) 东部 | us-gov-east-1 |
ec2.us-gov-east-1.amazonaws.com ec2.us-gov-east-1.amazonaws.com |
HTTP and HTTPS HTTPS |
| AWS GovCloud（美国） | us-gov-west-1 |
ec2.us-gov-west-1.amazonaws.com ec2.us-gov-west-1.amazonaws.com |
HTTP and HTTPS HTTPS |
Service Quotas
| 资源 | 默认值 |
|---|---|
| 按需实例 | 配额因实例类型而异。有关更多信息，请参阅按需实例配额。 |
| Spot 实例 | 每区域 20 个。有关更多信息，请参阅 Spot 实例配额。 |
| 预留实例 | 每个可用区每月 20 个区域和 20 个区。有关更多信息，请参阅预留实例配额。 |
| EC2-Classic 的弹性 IP 地址数 | 5 |
| 每个实例的 EC2-Classic 安全组数 | 500 |
| 每个 EC2-Classic 安全组的规则数 | 100 |
| 每个 EC2-Classic 实例的安全组规则数 | 800（计算方式为：每个安全组的规则数乘以每个实例的安全组数）。如果您在规则中引用了其他安全组，建议使用不超过 22 个字符的安全组名称。 |
| 密钥对 | 5,000 |
| 启动模板 | 每个区域最多 5,000 个启动模板，每个启动模板 10,000 个版本。 |
| 专用主机 | 每个区域每个实例系列最多两个专用主机。 |
| 置放群组 | 500 |
| 并发 AMI 副本 | 目标区域最多可拥有 50 个并发 AMI 副本。 |
| 针对可从 Amazon EC2 账户发送的电子邮件的限制 | 已应用的限制 |