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SCP Exam SC0-451 Topic 3 Question 99 Discussion

Actual exam question for SCP's SC0-451 exam

Question #: 99
Topic #: 3

[All SC0-451 Questions]

Your network is a mixed environment of Windows, Linux, and UNIX, computers. The routers are primarily Cisco and the network uses a T-1 to connect to the Internet. You are experimenting with setting up a mail server in a production environment for internal use only. You do not want this mail server to receive any requests from anywhere but the internal network. Therefore you have decided to block incoming SMTP traffic at the Firewall. Which port will you block at the Firewall?

A23

B25

C53

D80

E110

Show Suggested Answer

Suggested Answer: B

by Darrin at Sep 17, 2024, 11:23 AM

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Karrie

3 months ago

I'm going with B) 25. Can't go wrong with the classic SMTP port. Unless you want to start a fire in the server room, then you should choose a different port.

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Colton

2 months ago

User 3: Definitely, blocking port 25 will help secure the internal mail server from external requests.

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Salome

2 months ago

User 2: Agreed, blocking port 25 is the way to go to restrict incoming SMTP traffic.

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Maryann

2 months ago

User 1: I think B) 25 is the right choice. It's the classic SMTP port.

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Charlene

3 months ago

I was just about to say B) 25. It's the most obvious choice here. Blocking that port is the way to go to keep your mail server secure.

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Arthur

3 months ago

Definitely B) 25. Blocking that port will prevent any external SMTP requests from reaching your internal mail server. Easy peasy!

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Janna

3 months ago

Easy decision, let's go ahead and block port 25 then.

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Viola

3 months ago

Agreed, blocking port 25 will prevent external SMTP requests from reaching our internal mail server.

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Graciela

3 months ago

I think we should block port 25 at the Firewall.

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Celestina

3 months ago

I'm not sure about this. Shouldn't we block port 110 instead? That's for POP3 traffic, right?

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Billy

3 months ago

The correct answer is B) 25. SMTP, the Simple Mail Transfer Protocol, uses port 25 for incoming mail traffic.

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Nicolette

2 months ago

So, we should block port 25 at the Firewall, right?

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Leonor

2 months ago

You're welcome!

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Maynard

2 months ago

Thanks for the info!

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Thurman

2 months ago

E) 110

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Lizbeth

3 months ago

D) 80

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Dianne

3 months ago

C) 53

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Anglea

3 months ago

B) 25

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Whitney

3 months ago

A) 23

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Daniela

4 months ago

I agree with Madelyn. Port 25 is used for SMTP traffic, so blocking it will prevent external requests to the mail server.

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Madelyn

4 months ago

I think we should block port 25 at the Firewall.

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az-700 pass4success az-104 200-301 200-201 cissp 350-401 350-201 350-501 350-601 350-801 350-901 az-720 az-305 pl-300

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