EC-Council
312-92 · Question #95
312-92 Question #95: Real Exam Question with Answer & Explanation
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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
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