> For the complete documentation index, see [llms.txt](https://docs.dataimpulse.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.dataimpulse.com/dataimpulse-documentation-zh-cn/dai-li/lian-jie-lei-xing.md).
# 连接类型
### 轮换
每次新请求时，IP 地址会自动更换。
您应使用：
用于 HTTP/HTTPS
823 端口
用于 SOCKS5
824 端口
***
### **粘性**
粘性代理基于端口。IP 地址在一段时间内绑定到特定端口。
粘性代理的轮换间隔可以从 1 到 120 分钟不等，平均持续时间为 30 分钟。
对于粘性连接，您可以使用从 **10000** 到 **20000**.
HTTP 粘性代理示例：
```
curl -x "http://login:password@gw.dataimpulse.com:10000" https://api.ipify.org/
```
SOCKS5 粘性代理示例：
```
curl -x "socks5://login:password@gw.dataimpulse.com:10000" https://api.ipify.org/
```
{% hint style="info" %}
如果未为粘性连接指定轮换间隔或将其设置为 "0"，默认间隔为 30 分钟。
{% endhint %}
***
关于选择最佳代理类型的博客文章：
[轮换代理还是粘性代理：如何选择合适的选项](https://dataimpulse.com/blog/rotating-or-sticky-proxies-how-to-make-the-right-choice/)
---
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```
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```
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