nmap not detecting ports

[proskater123]

I was scanning with nmap(I just got it and im not sure im using it right but the host i was scanning is.........well i can't but ips here. but the command i was useing is,

D:program filesnmap>nmap -a -t4 **.**.**.**

and it won't come up with any ports. is there a gui or point and click version of nmap. if so can you send me think link of the page where it is. or just send the download link.

I don't have a firewall. Ya i know "Oh you need a firewall you going to get hacked and fucked. " I really don't care. it lags me down. F*** MCAFEE

well please reply i can really use the help

[Sparda]

The -a switch cannot be correct. I suspect you mean -A, also don't use the -t option either. Just type

nmap <lan IP address>

and see what happens.

[jollyrancher82]

nmap -sV -O -P0 <ip/hostname>