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You're reading from  Mastering Linux Security and Hardening - Third Edition

Product typeBook
Published inFeb 2023
Reading LevelIntermediate
PublisherPackt
ISBN-139781837630516
Edition3rd Edition
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Author (1)
Donald A. Tevault
Donald A. Tevault
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Donald A. Tevault

Donald A. Tevault - but you can call him Donnie - got involved with Linux way back in 2006, and has been working with it ever since. He holds the Linux Professional Institute Level 3-Security certification, and the GIAC Incident Handler certification. Donnie is a professional Linux trainer, and thanks to the magic of the internet, teaches Linux classes literally the world over from the comfort of his living room. He's also a Linux security researcher for an IoT security company.
Read more about Donald A. Tevault

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Questions

  1. When creating an ACL for a file in a shared directory, what must you first do to make the ACL effective?
    1. Remove all normal permissions from the file for everyone except for the user.
    2. Ensure that the file has the permissions value of 644 set.
    3. Ensure that everyone in the group has read/write permissions for the file.
    4. Ensure that the SUID permission is set for the file.
  2. What is the benefit of setting the SGID permission on a shared group directory?
    1. None. It’s a security risk and should never be done.
    2. It prevents members of the group from deleting each others’ files.
    3. It makes it so that each file that ges created within the directory will be associated with the group that’s also associated with the directory.
    4. It gives anyone who accesses the directory the same privileges as the user of the directory.
  3. Which of the following commands...
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Mastering Linux Security and Hardening - Third Edition
Published in: Feb 2023Publisher: PacktISBN-13: 9781837630516

Author (1)

author image
Donald A. Tevault

Donald A. Tevault - but you can call him Donnie - got involved with Linux way back in 2006, and has been working with it ever since. He holds the Linux Professional Institute Level 3-Security certification, and the GIAC Incident Handler certification. Donnie is a professional Linux trainer, and thanks to the magic of the internet, teaches Linux classes literally the world over from the comfort of his living room. He's also a Linux security researcher for an IoT security company.
Read more about Donald A. Tevault