blocks|key|4703064|text|AWS+Lambda基本上是一个在后端运行应用程序的容器。为了在两个Lambdas之间建立套接字连接，您必须尝试使用API+Gateway的Websockert。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|4703065|在两个Lambda容器之间建立TCP/IP连接是可能的，前提是您通过API+G/w+websocket连接调用这些函数。|4703066|希望这能有所帮助！|4703067|参考资料：|4703068|1)+https://docs.aws.amazon.com/apigateway/latest/developerguide/apigateway-websocket-api.html+2)+https://codeburst.io/how-to-build-a-react-chat-app-with-aws-api-gateway-websockets-and-cognito-custom-authorizer-6f84f2da47ec+3)+https://github.com/aws-samples/simple-websockets-chat-app/blob/master/template.yaml|offset|length|4703069|entityMap|0|LINK|mutability|MUTABLE|url|https://docs.aws.amazon.com/apigateway/latest/developerguide/apigateway-websocket-api.html|1|https://codeburst.io/how-to-build-a-react-chat-app-with-aws-api-gateway-websockets-and-cognito-custom-authorizer-6f84f2da47ec|2|https://github.com/aws-samples/simple-websockets-chat-app/blob/master/template.yaml^0|0|0|0|0|3|2I|0|2P|3H|1|6A|2B|2|0^^$0|@$1|2|3|4|5|6|7|X|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|Y|8|@]|9|@]|A|$]]|$1|D|3|E|5|6|7|Z|8|@]|9|@]|A|$]]|$1|F|3|G|5|6|7|10|8|@]|9|@]|A|$]]|$1|H|3|I|5|6|7|11|8|@]|9|@$J|12|K|13|1|14]|$J|15|K|16|1|17]|$J|18|K|19|1|1A]]|A|$]]|$1|L|3|-4|5|6|7|1B|8|@]|9|@]|A|$]]]|M|$N|$5|O|P|Q|A|$R|S]]|T|$5|O|P|Q|A|$R|U]]|V|$5|O|P|Q|A|$R|W]]]]

AWS Lambda is basically a container running your application in the backend. In order to establish a socket connection between two Lambdas, you will have to explore using API Gateway's Websockert APIs. 

It is possible to have a TCP/IP connection between two Lambda containers provided you are calling those functions via an API G/w websocket connection. 

Hope this helps! 

<h1>Reference:</h1>

1) <a href="https://docs.aws.amazon.com/apigateway/latest/developerguide/apigateway-websocket-api.html" rel="nofollow noreferrer">https://docs.aws.amazon.com/apigateway/latest/developerguide/apigateway-websocket-api.html</a>
2) <a href="https://codeburst.io/how-to-build-a-react-chat-app-with-aws-api-gateway-websockets-and-cognito-custom-authorizer-6f84f2da47ec" rel="nofollow noreferrer">https://codeburst.io/how-to-build-a-react-chat-app-with-aws-api-gateway-websockets-and-cognito-custom-authorizer-6f84f2da47ec</a>
3) <a href="https://github.com/aws-samples/simple-websockets-chat-app/blob/master/template.yaml" rel="nofollow noreferrer">https://github.com/aws-samples/simple-websockets-chat-app/blob/master/template.yaml</a>

blocks|key|2338761|text|使用Lambda作为客户端访问服务器非常简单，您可以轻松地从Lambda向外创建大多数类型的TCP连接。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|2338762|然而，向内操作要复杂得多，因为Lambda操作一个容器，而您在这个容器中是一个低权限用户。权限如此之低，以至于您无法绑定到端口并公开它。此外，默认情况下，lambda在AWS+VPC上运行，并且位于NAT之后。|2338763|有一些解决方案，值得注意的是：https://read.acloud.guru/https-medium-com-timawagner-serverless-networking-the-next-step-in-serverless-evolution-95bc8adaa904|offset|length|2338764|但简而言之，如果没有一些第三方工具和/或一些服务器，通过TCP实现两个lambda函数之间的相互通信是一件相当困难的事情。|2338765|我做了这个代码库，它允许将反向shell转换为lambda，您可能也会对此感兴趣：https://github.com/keithrozario/Lambshell|2338766|entityMap|0|LINK|mutability|MUTABLE|url|https://read.acloud.guru/https-medium-com-timawagner-serverless-networking-the-next-step-in-serverless-evolution-95bc8adaa904|1|https://github.com/keithrozario/Lambshell^0|0|0|F|3H|0|0|0|15|15|1|0^^$0|@$1|2|3|4|5|6|7|V|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|W|8|@]|9|@]|A|$]]|$1|D|3|E|5|6|7|X|8|@]|9|@$F|Y|G|Z|1|10]]|A|$]]|$1|H|3|I|5|6|7|11|8|@]|9|@]|A|$]]|$1|J|3|K|5|6|7|12|8|@]|9|@$F|13|G|14|1|15]]|A|$]]|$1|L|3|-4|5|6|7|16|8|@]|9|@]|A|$]]]|M|$N|$5|O|P|Q|A|$R|S]]|T|$5|O|P|Q|A|$R|U]]]]

Using Lambda as a client to access a server is trivial, you can easily create most types of TCP connections from a Lambda outwards.

However, inwards is far more tricky, as Lambda operates a container, and you are a low-privilege user in this container. So low privilege that you cannot bind to a port and expose that. Also, lambda by default operate on AWS VPC, and are behind a NAT. 

There are some solutions out there, notably this:
<a href="https://read.acloud.guru/https-medium-com-timawagner-serverless-networking-the-next-step-in-serverless-evolution-95bc8adaa904" rel="nofollow noreferrer">https://read.acloud.guru/https-medium-com-timawagner-serverless-networking-the-next-step-in-serverless-evolution-95bc8adaa904</a>

But in short, what inter-communication between two lambda functions via TCP is a pretty difficult thing to accomplish without some 3rd-party tools and/or some servers in-between.

I made this repo, that allows a reverse shell into a lambda, you might also be interested in it: <a href="https://github.com/keithrozario/Lambshell" rel="nofollow noreferrer">https://github.com/keithrozario/Lambshell</a>

I want to implement basic TCP/IP protocol using AWS Lambda functions.
If we consider client as one AWS lambda function and server as another AWS Lambda function(not sure whether we can assume client ans server as lambda functions) can we establish client-server communication between the two lambda functions using TCP/IP protocol.(This is different from calling one lambda function from another).Also i want to know whether the client or server side socket programming code written in java can be converted to aws lambda function in java?

TCP/IP Communication in AWS

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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我想使用AWS Lambda函数实现基本的TCP/IP协议。如果我们认为客户端是一个AWS lambda函数，服务器是另一个aws lambda函数(不确定我们是否可以假设客户端和服务器是lambda函数)，我们可以使用TCP/IP协议在这两个lambda函数之间建立客户端-服务器通信吗？(这与调用一个lambda函数...

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