Clients do not access the web server directly

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The concept of a springboard server is to restrict connections to the web server so that it can only be accessed from a springboard, and this is a commonly known security measure. Still, I still have the idea, "Is it okay to use a stepping stone?" Even if there is a stepping stone, the port is still open, so there is a possibility that it will be attacked in some way. Therefore, SSM fulfills the selfish wish of ``I want to close the port but still have access to the server.'' What is SMM? Wada: In SSM, information goes through something called a session manager. It's like a stepping stone becoming a session manager.  they access the session manager.

When the client side goes to connect to SSM, a session is established. Once the session is connected, the agent polls each time, and the agent performs SSH. Since it is not being accessed directly, port 22 can be closed. Wada: The biggest advantage of SSM is that Special Data ports are closed. In addition, while SSM is being adopted as a connection for new servers, other benefits include being able to follow traditional usage methods and being able to manage users on AWS. GIG is looking for people who can build In my work, I often hear the phrase "turning the means into an end." No matter how many times you are told, it is difficult to solve the problem unless you understand the cause. This time, we will break down the concept of "transforming means into ends" and understand its structure, and explain the causes and countermeasures with illustrations.





I hope this will give you some hints for those who are facing the challenge of turning the means into an end. What is the state of “making the means into an end”? ``Means-to-ends'' refers to a situation in which the means chosen to achieve an end eventually become an ``end'' in itself. When I was working at an advertising agency myself, I was often warned, ``Isn't running a campaign an end in itself?'' What do “means” and “end” mean? In order to understand and resolve the cause of ``transformation of means into ends,'' it is necessary to understand the relationship between ``means'' and ``ends.'' Meaning of the words “means” and “end” Just as the words are different, the meanings of each word are also different.