Exit 312-92 EC-Council Certified Secure Programmer v2 (ECSP)
Question 4 of 5
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Q4 Single choice

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?

  • A

    Prevent spoofing of incoming packets that appear to be from the computer's defaultgateway

  • B

    Prevent spoofing of incoming packets that appear to be from local machine

  • C

    Allow incoming packets only from own subnet

  • D

    Allow outgoing packets only through primary network card

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