Question regarding Nmap scan techniques

Nmap
#1

When practicing the Namp scan techniques I kept running into a snag. Different scans would end up with the same result. Note: Host seems down. If it is really up, but blocking our ping probes, try -Pn.

Result of using -Pn

Not shown: 1000 filtered tcp ports (no-response)

Read data files from: C:\Program Files (x86)\Nmap
Nmap done: 1 IP address (1 host up) scanned in 204.09 seconds
Raw packets sent: 2000 (88.000KB) | Rcvd: 0 (0B)

Different targets. Different scans. Same result. Bad luck?

Using Windows 10.

I am completely new to this. Any assistance provided will be greatly appreciated.

#2

Hi, Sometimes even with -Pn the scan doesn’t return anything. Try a different host. If you want to see the difference between flags then run it on a VM within your network. A lot of times companies by default drop any SYN packets and ICMP packets (which nmap uses)