04 16-2018--nmap blue
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Nmap can be used to scan the blue VM from red. Running nmap -sP 10.0.2.0/24 on red identifies the IP addresses of red (10.0.2.11) and blue (10.0.2.12). More information about blue can be gathered by rescanning it with flags like -sV to detect service versions, -T4 for timing, and -F to scan the top 100 ports fast. This scan of blue shows it has 97 closed ports, port 22 is open SSH running OpenSSH 7.2, port 37 is the time service, and port 113 is the identity service.
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04 16-2018--nmap blue
- 1. How do I use nmap on red to scan blue?
- 2. IP Addresses • Red : 10.0.2.11 • Blue : 10.0.2.12
- 3. 1. Turn on red and blue VM’s. Log on as ‘student’ to both. • On red : Execute the following command : ‘nmap –sP 10.0.2.0/24’ This will run a ping scan on our 10.0.2.0/24 network. This is where our VM’s live on the network.
- 4. 10.0.2.12 is blue • From our screenshot we can see that our nmap scan found 10.0.2.11 ( red ) and 10.0.2.12 ( blue ) • We can gather more information about blue by rescanning it with different flags.
- 5. ‘nmap –sV –T4 –F 10.0.2.12’ • -sV is a flag that scans for service version detection • -T4 is a flag that scams for Timing ( T has many options ranging from 0-5) • -F is a flag that scans the top 100 most common ports ( F for FAST)
- 6. The output is as follows :
- 7. From this scan we can derive the following : • The host has a very low latency ( 0.00049s ) • The host has 97 ports that are closed ( Remember we only scanned 100 using the –F (fast) flag) • Port 22 is open, running SSH ( the service ), and using OpenSSH 7.2 ( protocol 2.0 ) • Port 37 is open, Runnig the time service. • Port 113 is open, and running the identity service.
- 8. For more Flags to use visit https://nmap.org/