You are now in the directory for the port "security/nessus-libraries" (package name "nessus-libraries-1.2.6").
This is the one-line description for this port:
Libraries for Nessus, the security scanner
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) "libtool-1.3.4_4" to build.