CompTIA
LX0-104 · Question #220
LX0-104 Question #220: Real Exam Question with Answer & Explanation
The correct answer is A. chain. Iptables organizes rules into distinct tables for different packet processing stages, and 'chain' is a component within these tables, not a table itself.
Security
Question
Which of the following is not an iptables rule set?
Options
- Achain
- Bmangle
- Cfilter
- Dnat
Explanation
Iptables organizes rules into distinct tables for different packet processing stages, and 'chain' is a component within these tables, not a table itself.
Common mistakes.
- B. The 'mangle' table is a valid iptables rule set used for altering packet headers, such as TTL or TOS.
- C. The 'filter' table is a valid iptables rule set and is the default table, primarily used for allowing or denying packets.
- D. The 'nat' table is a valid iptables rule set used for Network Address Translation, modifying packet source or destination addresses/ports.
Concept tested. Iptables tables vs chains
Reference. https://man7.org/linux/man-pages/man8/iptables.8.html
Topics
#iptables#firewall#netfilter#tables#chains
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