Patrik Hasibuan wrote: > I haven't open the rpcbind,auth,printer. You haven't closed them either. > And the 21,23,53 are not opened by my iptables. Do you actually have daemons listening on those ports? > Where is the mistake? Since you set all to ACCEPT how about setting a default policy to DROP? P.S. As suggested 'iptables -L'. Cheers, Raf