Security Strategies in Linux Platforms and Applications

Appendix A. Answer Key

CHAPTER 1 Security Threats to Linux

1. B

2. C

3. D

4. B

5. A

6. B

7. C

8. D

9. A

10. A and B

11. C

12. D

13. Hacker

14. General Public License (also acceptable: GPL, GNU GPL, GNU General Public License)

CHAPTER 2 Basic Components of Linux Security

1. D

2. http://kernel.org

3. C

4. B

5. A

6. C

7. B

8. D

9. B

10. A

11. B

12. D

13. A

14. C

CHAPTER 3 Basic Security: Facilities Through the Boot Process

1. D

2. C

3. D

4. A and C

5. B

6. A

7. grub-md5-crypt

8. B

9. A

10. B

11. C

12. B

13. B and D

14. C

CHAPTER 4 User Privileges and Permissions

1. B

2. B

3. D

4. find / -group audio

5. C

6. C and D

7. B

8. visudo

9. B

10. A

11. D

12. /lib/security/

13. B

14. A and B

15. C

CHAPTER 5 Filesystems, Volumes, and Encryption

1. B and D

2. C

3. A

4. A

5. gpg --list-keys

6. C

7. D

8. A

9. C

10. A

11. B

12. B

13. B

14. A

15. getfacl test1

CHAPTER 6 Every Service Is a Potential Risk

1. A

2. D

3. B

4. C

5. B

6. D

7. chkconfig --list

8. B

9. D

10. /etc/xinetd.conf

11. B

12. D

13. C

14. B

15. D

CHAPTER 7 Networks, Firewalls, and More

1. 0 to 1023

2. A

3. C

4. B

5. B

6. D

7. --dport

8. B

9. B

10. C

11. D

12. B

13. sealert -b

14. B

CHAPTER 8 Networked Filesystems and Remote Access

1. C

2. D

3. GSSAPI ...