sends the appropriate command to enable a passive connection
# File lib/net/ftp.rb, line 532
def makepasv # :nodoc:
if @bare_sock.remote_address.ipv4?
host, port = parse227(sendcmd("PASV"))
else
host, port = parse229(sendcmd("EPSV"))
# host, port = parse228(sendcmd("LPSV"))
end
return host, port
end