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ISC2 Exam SSCP Topic 1 Question 21 Discussion
Actual exam question for
ISC2's
Systems Security Certified Practitioner exam
Question #: 21
Topic #: 1
[All Systems Security Certified Practitioner Questions]
Topic #: 1
Which of the following ports does NOT normally need to be open for a mail server to operate?
Suggested Answer:
C
Port 119 is normally used for the Network News Transfer Protocol. It is thus not need for a mail server, which would normally listen to ports 25 (SMTP), 110 (POP3) and 143 (IMAP).
Source: STREBE, Matthew and PERKINS, Charles, Firewalls 24seven, Sybex 2000, Chapter 1: Understanding Firewalls.
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