Check Open Ports on DHCP Server
I connect to the internet through the DHCP server of my student dormitory. Unfortunately, they have blocked many ports like the one for aMule (TCP 4662). I have tried some other ports to use aMule with but all were blocked so I guess only few ports are permitted. How can I check which ports are allowed by the DHCP server?
The DHCP server is the server which assigns ip addresses. The NAT or the firewall is what is blocking ports.
Anyway, you should use nmap for port scanning.
If you are able to surf the web, (like linuxquestions.org), that means the port 80 is open.
ofcourse nmap is the best
nmap x.x.x.x (ipaddress of machine to be scanned)
or if you want to save the output of this command into a file then you can use it like:-
nmap x.x.x.x > filename
Thanks guys, that was exactly what I needed :)
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