NETWORK SECURITY
FIREWALLS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Which of the string sets below is preconfigured in the NAT table of the Linux iptables command?
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INPUT, FORWARD e OUTPUT
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INPUT, NAT e OUTPUT
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INPUT, ROUTING e OUTPUT
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PREROUTING, FORWARD e POSTROUTING
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PREROUTING, OUTPUT e POSTROUTING
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Explanation:
Detailed explanation-1: -NAT is the built-in table in iptables. Usually, we use the nat table for address translation. The chains in the nat table are PREROUTING, INPUT, OUTPUT, and POSTROUTING. Iptables use nat rules for address translation tasks like forwarding.
Detailed explanation-2: -Yes, you can easily list all iptables rules using the following commands on Linux: (1) iptables command – IPv4 netfilter admin tool to display iptables firewall rules. (2) ip6tables command – IPv6 netfilter admin tool to show rules.
There is 1 question to complete.