Ip ou dns, desse exemplo: 192.138.254.34 e server.exemplo.com.br
TCP PORTS:
nmap -sT -Pn- IP ou DNS
[/shell]
UDP PORTS:
nmap -sU -v felix open|filtered ports nmap -sU -T4 scanme.nmap.org Improving Felix's UDP scan results with version detection nmap -sUV -F felix.nmap.org nmap -sUV -T4 scanme.nmap.org Attempting to disambiguate UDP ports with TTL discrepancies nping --udp --traceroute -c 13 -p 53 scanme.nmap.org nma Optimizing UDP Scan Time nmap -sUV -T4 -F --version-intensity 0 scanme.nmap.org
Instalacao
On CentOS. yum install nmap. On Debian. apt-get install nmap. On Ubuntu. sudo apt-get install nmap. Using the Nmap security scanner. Then you may run the command “nmap” on a terminal, accompanied by the target's IP or website address and the various available parameters.
[root@jupiter ]# nmap -sT -Pn- 192.168.254.34 Starting Nmap 6.40 ( http://nmap.org ) at 2021-12-25 23:49 -03 Nmap scan report for 192.168.254.34 Host is up (1.0s latency). Not shown: 997 closed ports PORT STATE SERVICE 53/tcp filtered domain 81/tcp open hosts2-ns 2000/tcp open cisco-sccp Nmap done: 1 IP address (1 host up) scanned in 2.16 seconds # contra um dns [root@jupiter openvpn]# nmap -sT -Pn- server.exemplo.com.br Starting Nmap 6.40 ( http://nmap.org ) at 2021-12-25 23:49 -03 Nmap scan report for server.exemplo.com.br (186.111.12.12) Host is up (0.041s latency). rDNS record for 186.226.61.89: uferes.virtuaserver.com.br Not shown: 991 closed ports PORT STATE SERVICE 21/tcp open ftp 25/tcp filtered smtp 53/tcp open domain 80/tcp open http 111/tcp open rpcbind 222/tcp open rsh-spx 1720/tcp open H.323/Q.931 2000/tcp open cisco-sccp 5666/tcp open nrpe Nmap done: 1 IP address (1 host up) scanned in 1.94 seconds