ssh login has much delay until the password is prompted in Red Hat Enterprse Linux 6

Solution Unverified - Updated -

Issue

  • Whenever i try to login into ssh server, it delays more than 20 seconds.
  • We are using the password authentication, and it takes much time until the password is prompted.
  • Server processing is very slow. when try to connect through SSH and SFTP (WinSCP) password option take long time (approxe-20-30 sec.)

Environment

  • Red Hat Enterprise Linux 6

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