The following steps show three ways that TCP wrappers are used or can be used in Oracle Solaris.
Before You Begin
You must assume the root role to modify a program to use TCP wrappers.
By default, it is protected with TCP wrappers, as described in Support for TCP Wrappers From Version 8.12 of sendmail in Managing sendmail Services in Oracle Solaris 11.2 .
Because this module is dynamic, you must load it to use TCP wrappers with FTP.
# pfedit /etc/proftpd.conf <IfModule mod_dso.c> LoadModule mod_wrap.c </IfModule>
# svcadm restart svc:/network/ftp