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< details >
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< summary > < strong > 从零开始学习AWS黑客技术, 成为专家< / strong > < a href = "https://training.hacktricks.xyz/courses/arte" > < strong > htARTE( HackTricks AWS红队专家) < / strong > < / a > < strong > ! < / strong > < / summary >
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支持HackTricks的其他方式:
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* 如果您想看到您的**公司在HackTricks中做广告**或**下载PDF格式的HackTricks**,请查看[**订阅计划**](https://github.com/sponsors/carlospolop)!
* 获取[**官方PEASS & HackTricks周边产品**](https://peass.creator-spring.com)
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* 探索[**PEASS家族**](https://opensea.io/collection/the-peass-family),我们独家[**NFTs**](https://opensea.io/collection/the-peass-family)收藏品
* **加入** 💬 [**Discord群组** ](https://discord.gg/hRep4RUj7f ) 或 [**电报群组** ](https://t.me/peass ) 或 **关注**我们的**Twitter** 🐦 [**@carlospolopm** ](https://twitter.com/hacktricks_live )**。**
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* 通过向[**HackTricks**](https://github.com/carlospolop/hacktricks)和[**HackTricks Cloud**](https://github.com/carlospolop/hacktricks-cloud) github仓库提交PR来分享您的黑客技巧。
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< / details >
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**Try Hard Security Group**
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< figure > < img src = "/.gitbook/assets/telegram-cloud-document-1-5159108904864449420.jpg" alt = "" > < figcaption > < / figcaption > < / figure >
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{% embed url="https://discord.gg/tryhardsecurity" %}
***
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# 基本信息
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此主机上正在运行一个回显服务。回显服务旨在用于测试和测量目的, 可能同时在TCP和UDP协议上监听。服务器会原样发送接收到的任何数据。\
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**通过将回显服务连接到同一台或另一台机器上的回显服务,可能会导致拒绝服务**。由于产生的数据包数量过多,受影响的机器可能会被有效地停止服务。\
信息来源:[https://www.acunetix.com/vulnerabilities/web/echo-service-running/](https://www.acunetix.com/vulnerabilities/web/echo-service-running/)
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**默认端口:** 7/tcp/udp
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```
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PORT STATE SERVICE
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7/udp open echo
7/tcp open echo
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```
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## 联系回显服务( UDP)
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```bash
nc -uvn < IP > 7
Hello echo #This is wat you send
Hello echo #This is the response
```
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## Shodan
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* `port:7 echo`
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## 参考资料
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[Wikipedia echo ](http://en.wikipedia.org/wiki/ECHO\_protocol )
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[CA-1996-01 UDP Port Denial-of-Service Attack ](http://www.cert.org/advisories/CA-1996-01.html )
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**Try Hard Security Group**
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< figure > < img src = "/.gitbook/assets/telegram-cloud-document-1-5159108904864449420.jpg" alt = "" > < figcaption > < / figcaption > < / figure >
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{% embed url="https://discord.gg/tryhardsecurity" %}
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< details >
2024-03-24 12:24:51 +00:00
< summary > < strong > 从零开始学习AWS黑客技术< / strong > < a href = "https://training.hacktricks.xyz/courses/arte" > < strong > htARTE (HackTricks AWS Red Team Expert)< / strong > < / a > < strong > !< / strong > < / summary >
2022-04-28 16:01:33 +00:00
2024-03-24 12:24:51 +00:00
支持HackTricks的其他方式:
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* 如果您想在HackTricks中看到您的**公司广告**或**下载PDF格式的HackTricks**,请查看[**订阅计划**](https://github.com/sponsors/carlospolop)!
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* 获取[**官方PEASS & HackTricks周边产品**](https://peass.creator-spring.com)
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* 发现我们的独家[**NFTs**](https://opensea.io/collection/the-peass-family)收藏品[**The PEASS Family**](https://opensea.io/collection/the-peass-family)
* **加入** 💬 [**Discord群** ](https://discord.gg/hRep4RUj7f ) 或 [**telegram群** ](https://t.me/peass ) 或在**Twitter** 🐦 [**@carlospolopm** ](https://twitter.com/hacktricks_live )**上关注**我们。
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* 通过向[**HackTricks**](https://github.com/carlospolop/hacktricks)和[**HackTricks Cloud**](https://github.com/carlospolop/hacktricks-cloud) github仓库提交PR来分享您的黑客技巧。
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< / details >