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Packages to Avoid

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For security reasons the following should be avoided:

  • fingerd
  • ftp-server: Avoid encouraging users sending cleartext passwords.
  • ftp: Users will try to ftp to remote hosts and log in using clear text passwords. Run dsniff on the local machine as root to see that you can easily capture their passwords!
  • ftpd
  • netkit-rpc
  • nfs-common
  • nfs-kernel-server
  • nfs-user-server
  • portmap
  • rsh-client: Users will try to rsh to remote hosts and log in using clear text passwords. Run dsniff on the local machine as root to see that you can easily capture their passwords! The ssh package will install a replacement rsh.
  • rsh-server
  • rstart
  • rstartd
  • rusersd
  • rwalld
  • sendmail
  • talkd
  • telnet: Users will try to telnet to remote hosts and log in using clear text passwords. Run dsniff on the local machine as root to see that you can easily capture their passwords!
  • telnetd


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Facts: " The major difference between a thing that might go wrong and a thing that cannot possibly go wrong is that when a thing that cannot possibly go wrong goes wrong, it usually turns out to be impossible to get at or repair.   "  

Tuesday 22 May 2012 06:53:10 1337669590