LPI
102-350 · Question #122
You want a secure and fast DNS server that must also be quickly accessible remotely. You should:
The correct answer is D. Disable inetd, run ssh and named as standalone daemons. E. Use tcpwrappers to only allow connections to ports 22 and 53. See the full explanation below for the reasoning.
Question
You want a secure and fast DNS server that must also be quickly accessible remotely. You should:
Options
- AReject all udp packets.
- BReject all icmp packets.
- CReject all icmp untrusted-host packets.
- DDisable inetd, run ssh and named as standalone daemons.
- EUse tcpwrappers to only allow connections to ports 22 and 53.
How the community answered
(25 responses)- A4% (1)
- B4% (1)
- C8% (2)
- D84% (21)
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