Centos - Notice公告

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  #                              Notice                                #
  #                                                                    #
  #  1. Please create unique passwords that use a combination of words,#
  #   numbers, symbols, and both upper-case and lower-case letters.    #
  #   Avoid using simple adjacent keyboard combinations such as        #
  #   "Qwert!234","Qaz2wsx",etc.                                       #
  #                                                                    #
  #  2. Unless necessary, please DO NOT open or use high-risk ports,   #
  #   such as Telnet-23, FTP-20/21, NTP-123(UDP), RDP-3389,            #
  #   SSH/SFTP-22, Mysql-3306, SQL-1433,etc.                           #
  #                                                                    #
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  #                     Any questions please contact 4000-955-988      #
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