LPI
202-450 · Question #50
202-450 Question #50: Real Exam Question with Answer & Explanation
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Question
When the default policy for the iptables INPUT chain is set to DROP, why should a rule allowing traffic to localhost exist?
Options
- AAll traffic to localhost must always be allowed.
- BIt doesn't matter; iptables never affects packets addressed to localhost
- CSendmail delivers emails to localhost
- DSome applications use the localhost interface to communicate with other applications.
- Esyslogd receives messages on localhost
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