SSH server accepts connection and immediately disconnects

In this question, I'm wondering if the server is been attacked. I failed to mention if the server is for my company.

The question is closed as off-topic because "Questions on Server Fault must be about managing information technology systems in a business environment."

Is it correct that each question must explicitly say it's used in a business environment?

1 Answer 1


No, you don’t need to explicitly mention a business environment.

Please be aware that the Stack Exchange software only allows for a limited number of pre-defined close reasons.

Questions on Server Fault must be about managing information technology systems in a business environment. Home and end-user computing questions may be asked on Super User, and questions about development, testing and development tools may be asked on Stack Overflow.”

In addition to the obvious we frequently also use that for a myriad of reasons on questions that seem quite naive, lack a certain professional understanding of a protocol and technology, or on questions where the other close reasons are not suitable either.

  • Thanks for the response! Do you think I can revise my question to be on-topic, or is it naive in nature? I admit I didn't study networking well at school..
    – Gqqnbig
    Commented May 30, 2018 at 7:21
  • 3
    I still think that what you observe is mainly the background noise of the internet, where a steady stream of ports cans and login attempts is the norm rather than the exception and nothing to really worry about. And I can understand that the community would think that the core of your question "has my server been hacked when my SSH server rejects and terminates invalid connections" is a somewhat naive question.
    – HBruijn
    Commented May 30, 2018 at 10:04

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