nerdexam
EC-Council

312-92 · Question #95

Jacob is the system administrator for his company, managing over 20 Linux-based servers. Jacob wants to ensure that his servers are secure so he decides to add the following line to the…

The correct answer is B. Prevent spoofing of incoming packets that appear to be from local machine. See the full explanation below for the reasoning.

Question

Jacob is the system administrator for his company, managing over 20 Linux-based servers. Jacob wants to ensure that his servers are secure so he decides to add the following line to the /etc/sysctl.conf file:

net.ipv4.conf.all.rp_filter = 1 What will this line accomplish?

Options

  • APrevent spoofing of incoming packets that appear to be from the computer's defaultgateway
  • BPrevent spoofing of incoming packets that appear to be from local machine
  • CAllow incoming packets only from own subnet
  • DAllow outgoing packets only through primary network card

How the community answered

(29 responses)
  • A
    10% (3)
  • B
    79% (23)
  • C
    7% (2)
  • D
    3% (1)

Community Discussion

No community discussion yet for this question.

Full 312-92 Practice