CISSP Practice question #148

We are blocking unused ports on our servers as part of our server hardening, when we block TCP port 110, what are we blocking?
A: SMTP.
B: HTTP.
C: HTTPS.
D: POP3.

CBK 4: Communication and Network Security
Source: ThorTeaches.com practice tests

Answer


D: Post Office Protocol, version 3 (POP3) uses TCP port 110.

show less

IT security trainer.
Sharing my knowledge, to help you reach your IT certification goals.
CISSP, C|EH, PMP, CCNP, CompTIA Security+, SCP, CCNA-Security, CCNA, et. Al.

You may also like

37 Comments

Leave a Reply