Nmap is a utility for network exploration and security auditing. It supports ping scanning, port scanning and TCP/IP fingerprinting.
Download (HTTP): http://download.insecure.org/nmap/dist/nmap-3.50.tar.bz2
Download size: 1.2 MB
Estimated Disk space required: 11 MB
Estimated build time: 0.36 SBU
Install Nmap by running the following commands:
./configure --prefix=/usr && make && make install
The Nmap package contains nmap and optionally nmapfe.