Tutorial details | |
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Difficulty | Easy (rss) |
Root privileges | Yes |
Requirements | OpenBSD |
Time | N/A |
Installation
Use pkg_add command to install software package called nmap under OpenBSD operating system. First, you must set the PKG_PATH environment variable as follows:export PKG_PATH=http://mirror.esc7.net/pub/OpenBSD/`uname -r`/packages/`machine -a`/
Type the following pkg_add command to install nmap tool. The -v flag was used to give a more verbose output. This option is not needed but it is helpful for debugging and was used here to give a little more insight into what pkg_add is actually doing under OpenBSD:
# pkg_add -v nmap
Sample outputs:
nmap-6.01: ok
Examples
To find out nmap version, enter:
# nmap --version
Sample outputs:
Nmap version 6.01 ( http://nmap.org ) Platform: i386-unknown-openbsd5.2 Compiled with: liblua-5.1.5 openssl-1.0.0f libpcre-8.30 libpcap-(OpenBSD libpcap) nmap-libdnet-1.12 ipv6 Compiled without:
To scan a host or an IP address, enter:
# nmap -A -v 192.168.1.1
OR
# nmap -A -v server1.cyberciti.biz
OR
# nmap server1.cyberciti.biz
Sample outputs:
See top 30 nmap command examples that introduce a user to the nmap command line tool to scan a host and/or network, so to find out the possible vulnerable points in the hosts. You will also learn how to use Nmap for offensive and defensive purposes.
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