How do I tell why the kernel is sending a TCP Reset?

Solution Verified - Updated -

Issue

  • How do I tell why the kernel is sending a TCP Reset?
  • Our application gets Connection reset by peer error, why does the server return this?
  • Why does the client application get error code ECONNRESET 104 on its network socket?

Environment

  • Red Hat Enterprise Linux
  • TCP network connection with TCP Reset

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