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Special Forums Cybersecurity Freeze system Post 302840089 by nimafire on Sunday 4th of August 2013 11:10:33 AM
Old 08-04-2013
Quote:
Originally Posted by unSpawn
On systems that support MAC you may be able to modify a policy to deny writes to files, denying policy alteration and denying reboot (convoluted).
can you explain more?how can i do this?
Quote:
On file systems that support it you can set the immutable bit (weak). On file systems that do not support extended attributes you could mount another /root directory over it with the ro flag set (even weaker option).

*Do note anyone with root privileges can undo things. Also note immutable files are of no use if the real cause of the problem should not be addressed through the use of technology (as in PEBCAK).
how about scrub command? is it possible to set it to files i need to prevent any changes by other ?
 

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matchpathcon(8) 					SELinux Command Line documentation					   matchpathcon(8)

NAME
matchpathcon - get the default SELinux security context for the specified path from the file contexts configuration. SYNOPSIS
matchpathcon [-V] [-N] [-n] [-f file_contexts_file ] [-p prefix ] filepath... DESCRIPTION
matchpathcon queries the system policy and outputs the default security context associated with the filepath. Note: Identical paths can have different security contexts, depending on the file type. (regular file, directory, link file, char file ...) matchpathcon will also take the file type into consideration in determining the default security context if the file exists. If the file does not exist, no file type matching will occur. OPTIONS
-n Do not display path. -N Do not use translations. -f file_context_file Use alternate file_context file -p prefix Use prefix to speed translations -V Verify file context on disk matches defaults AUTHOR
This manual page was written by Dan Walsh <dwalsh@redhat.com>. SEE ALSO
selinux(8), matchpathcon(3), dwalsh@redhat.com 21 April 2005 matchpathcon(8)
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