On 7/22/2012 2:25 AM, lina wrote: Hi Lina, > strangely my netstat showed my 139 and 445 ports are open. > > tcp 0 0 0.0.0.0:445 0.0.0.0:* LISTEN > tcp 0 0 0.0.0.0:139 0.0.0.0:* LISTEN These ports are used by Samba. If you want these ports closed simply disable the Samba service. If you need Samba, leave the ports open. If you don't know what Samba is: http://www.samba.org/ -- Stan