Hvordan beskytter du password en mappe på Linux / Unix uden kryptering?

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Video: Hvordan beskytter du password en mappe på Linux / Unix uden kryptering?

Video: Hvordan beskytter du password en mappe på Linux / Unix uden kryptering?
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Hvordan beskytter du password en mappe på Linux / Unix uden kryptering?
Hvordan beskytter du password en mappe på Linux / Unix uden kryptering?
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Hvis du ikke har brug for eller vil kryptere filer på din computer, men gerne vil stoppe afslappet snooping, hvad er den bedste metode til adgangskodebeskyttelse af dine mapper på Linux / Unix? Dagens SuperUser Q & A indlæg har nyttige svar på en nysgerrig læsers spørgsmål.
Hvis du ikke har brug for eller vil kryptere filer på din computer, men gerne vil stoppe afslappet snooping, hvad er den bedste metode til adgangskodebeskyttelse af dine mapper på Linux / Unix? Dagens SuperUser Q & A indlæg har nyttige svar på en nysgerrig læsers spørgsmål.

Dagens Spørgsmål & Svar session kommer til os med venlig hilsen af SuperUser-en underafdeling af Stack Exchange, en community-driven gruppe af Q & A-websteder.

Foto med tilladelse til Nathan Meijer (Flickr).

Spørgsmålet

SuperUser-læser Zane Woodard vil vide, hvordan man kan passwordbeskytte en mappe på Linux / Unix uden kryptering:

I have searched around quite a bit for either a built-in feature or program to do this, but had no luck. I want to password protect a folder, but do not want to encrypt it.

The security of the contents of the folder is not important, the password would just act as a deterrent to somebody attempting to access the contents of the folder from my computer. Think of it like a password lock on a computer, if you were to remove the hard-drive, you could easily take all the files the user had, but the password is still a deterrent to people accessing the contents of the drive.

Two main reasons for not using encryption here are:

  • Decreased performance for opening files.
  • Encryption prevents the contents from being indexed/searchable.

Is anybody aware of a solution?

Er der en nem løsning, som Zane kunne bruge til at kodeordbeskytte sin mappe?

Svaret

SuperUser bidragsydere R Schultz og Bodo Thiesen har svaret for os. Først op, R Schultz:

The easiest way would be to change the permissions of the files so that they are not readable by anyone other than the owner. Once that is done, a user would have to either log in as you (which should require a password) or sudo as root (which should also require a password). To change the permissions, simply use the following command on any files you do not want others to have access to.

chmod og-rwx filename

This assumes that when you are not at your computer, your screen is locked and there is a password for your account as well as the root account.

Efterfulgt af svaret fra Bodo Thiesen:

Create a new user for these protected files and/or directories. Then replace $newuser with the new user account name:

  • chown $newuser filename directoryname
  • chmod og-rwx filename directoryname

This way, the files and directories are safe even if you do not log out and have your screen unlocked for some reason.

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