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Question 355 - XK0-005 discussion

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A Linux administrator is implementing a stateful firewall on the Linux server. Which of the following iptables options will be required to build the stateful rules? (Select two).

A.

--name established

Answers
A.

--name established

B.

-m recent

Answers
B.

-m recent

C.

-m conntrack

Answers
C.

-m conntrack

D.

--state

Answers
D.

--state

E.

--remove

Answers
E.

--remove

F.

-j DROP

Answers
F.

-j DROP

Suggested answer: C, D

Explanation:

To build stateful firewall rules in iptables, the -m conntrack and --state options are used. The -m conntrack module allows for connection tracking, and --state tracks connection states like ESTABLISHED, RELATED, or NEW, ensuring that the firewall maintains awareness of connection states when filtering traffic. These options are critical for implementing a stateful firewall that tracks and manages active connections.

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asked 09/10/2024
Rick James
43 questions
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