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John has scanned the web server with NMAP. However, he could not gather enough information to help him identify the operating system running on the remote host accurately. What would you suggest to John to help identify the OS that is being used on the remote web server?
Suggested Answer: C
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The order should be Passive information gathering, Network level discovery, Host scanning and Analysis of host scanning.
32 comments · newest first
BI
Billy
11 months ago
Wait, people still use telnet? Isn't that outdated?
AI
Aide
11 months ago
FTP could work, but it's not the most efficient method.
RE
Ressie
11 months ago
Not sure if telnet is still reliable for this.
WI
Willow
12 months ago
I think grabbing the banner is the best way to go!
LA
Lavonda
12 months ago
Connecting with a browser might give some clues about the OS.
CR
Cristy
12 months ago
I think Telnet to an open port is a solid choice. I practiced that before, and it often reveals useful information about the server.
FA
Fannie
1 year ago
I feel like using an FTP client might not be the best option here. I can't recall if it really helps with OS detection.
DO
Dominque
1 year ago
I'm not entirely sure, but connecting with a browser could show some server info in the page source. I think I've seen that in practice questions.
MA
Markus
1 year ago
I remember something about using Telnet to grab banners from open ports. That might help identify the OS, right?
PO
Portia
1 year ago
I'm a little confused on the best approach here. I'm thinking maybe option C, telnet to port 8080 and look at the default page code? But I'm not sure if that's the most reliable method.
WI
Willodean
1 year ago
I feel pretty confident about this one. I'd go with option D - telnet to an open port and grab the banner. That should give us the information we need to identify the OS.
OL
Olga
1 year ago
Okay, I've got a strategy here. I'll try connecting to the web server with a browser first, see if I can get any hints from the web page. If that doesn't work, I'll move on to the other options.
BE
Becky
1 year ago
Hmm, this seems tricky. I'm thinking option D might be the best way to go - grabbing the banner could give us some useful clues about the OS.
KA
Karl
1 year ago
I'm not sure about this one. I think I need to try a few different approaches to see if I can gather more information about the OS.
DI
Dick
1 year ago
Okay, let me think this through. The question is asking about a file that lists user home directories and login shells, so it's likely in the /etc directory somewhere. I'm going to go with /etc/passwd as my best guess.
GL
Glory
1 year ago
Wait, you guys are forgetting the most important step - checking the web page for hidden comments! There's always juicy info in those source code comments.
SH
Shoshana
1 year ago
Wait, you guys are forgetting the most important step - checking the web page for hidden comments! There's always juicy info in those source code comments.
BE
Belen
1 year ago
D) Telnet to an open port and grab the banner.
TH
Theola
1 year ago
C) Telnet to port 8080 on the web server and look at the default page code.
DA
Dalene
1 year ago
B) Connect to the web server with an FTP client.
CL
Clare
1 year ago
A) Connect to the web server with a browser and look at the web page.
CA
Carmelina
1 year ago
Haha, definitely not option C. Telnet to port 8080? That's just asking for trouble. I'll stick with the good old banner grab, thank you very much.
JA
Janessa
1 year ago
I was thinking the same thing! Grabbing the banner is a classic technique for identifying the OS. Much more reliable than just looking at the web page.
TA
Tatum
1 year ago
I agree, grabbing the banner is a more reliable method to identify the OS.
AN
Annabelle
1 year ago
D) Telnet to an open port and grab the banner.
LE
Lera
1 year ago
A) Connect to the web server with a browser and look at the web page.
CA
Carissa
2 years ago
Hmm, I think option D is the way to go. Telnet to an open port and grab the banner - that should give us some good clues about the OS.
RO
Rozella
1 year ago
User2: Yeah, grabbing the banner from an open port should provide valuable information.
LO
Long
1 year ago
User1: I agree, option D sounds like the best way to identify the OS.
DA
Dahlia
2 years ago
I think John should also consider option A, connecting to the web server with a browser. Sometimes the web page can provide clues about the operating system being used.
CO
Cory
2 years ago
I agree with Margart. Option D sounds like the best way to identify the OS on the remote web server. John should definitely give it a try.
MA
Margart
2 years ago
I think John should try option D, telnet to an open port and grab the banner. It might give him more information about the operating system.