You are now in the directory for the port "security/nessus" (package name "nessus-gtk-1.2.6").
This is the one-line description for this port:
A security scanner: looks for vulnerabilities in a given network
Please read the "description file" for a longer description.
Go to the top of the ports tree for a summary on how to use the ports collection.
This port requires package(s) "" to build.
This port requires package(s) "" to run.