disable http and ftp access to oracle-xe

SQL> -- disable http and ftp access
SQL> begin
 2    dbms_xdb.sethttpport('0');
 3    dbms_xdb.setftpport('0');
 4  end;
 5  /

PL/SQL procedure successfully completed.

SQL> -- get current status
SQL> select dbms_xdb.gethttpport as "HTTP-Port"
            , dbms_xdb.getftpport as "FTP-Port" from dual;

HTTP-Port   FTP-Port
---------- ----------
        0          0