Why does SSH or FTP take a long time to connect or login into the server?

Solution Verified - Updated -

Issue

  • When someone connects to Red Hat Enterprise Linux server via ssh or ftp, there is long delay after entering the password before the prompt returns.
  • Putty connection is very slow.

Environment

  • Red Hat Enterprise Linux 5
  • Red Hat Enterprise Linux 6
  • sshd
  • vsftpd

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