Select Code to Download

           In addition to the key-value pairs accepted by IO::Socket, 
+ "IO::Socket::INET6" provides.

               Domain      Address family               AF_INET | AF_I
+NET6 | AF_UNSPEC (default)

           If "Domain" is not given, AF_UNSPEC is assumed, that is, bo
+th AF_INET and AF_INET6 will be both considered when resolving DNS  n
+ames. AF_INET6 is prioritary.

           (Concrete to IPv4 protocol)

...
                                            Proto    => 'tcp');