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Some Important Files

Your home directory has a number of ``hidden'' files which begin with the character ``.'' (e.g. .twmrc, .olwmn, .openwin-init, .exrc, .mailrc). These are typically configuration files for specific applications. Often they contain code which is executed when an application starts running. That means that these files are likely targets for someone attacking your account. You should be especially careful with the permissions of these files. Never give anyone else write access to such files.

Here are a few other important files, and some considerations when changing their access permissions.

We recommend that you keep your home directory, and most of your hidden files writable by you and you alone, and readable by group and other. Create and use subdirectories to restrict access to group or to restrict access to you alone. The CNG can help you with this, and we provide documentation in our tutorial series.


next up previous contents
Next: VirusesWorms, Trojans and Up: File Permissions Previous: Controlling Access to Your

Del Armstrong
Fri Oct 25 16:31:41 EDT 1996