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General Tips

Password Management

  • Select a password containing more than 8 characters in length
  • Change your passphrase periodically, monthly or twice a year
  • NEVER share your passphrase with anyone. This includes system administrators, they will never need it to do their jobs

Good Password

  • using both upper and lower case letters
  • using numbers and/or special characters
  • easy to remember, so it doesn't need to written anywhere
  • not supported on every operating system

Bad Password

  • the password matches the user ID
  • the names of people, birthdates, or any personal information that may be publicly obtained
  • words found in dictionaries (including foreign languages)
  • short passwords
  • bad passwords spelled backwards
  • simple letter substitution (ie. using '3' for 'e' or '0' for 'o')
  • any password that is written somewhere

An easy way to select a good password is to use an acronym, also know as a passphrase, that is easy to remember. Then mid the case and add a number of special character. "I hate all this password stuff!" could result in lhatps!'. Of course, this is a sample and since it's shown here, it should NOT be used. It is no longer a secure password


File Access

  • Never set other write permissions on any file
  • Only turn on other read or execute permissions if you want the file to be public