[Samba] Too many 445 and 139 packets

[Diogo Hideki]

  I´m having problems with my intranet, all computers that log into my
Samba´s PDC, are sending many netbios and microsoft-ds packets. this problem
started since last week, i already blocked port 139 with my iptables, but if
i block 139 and 445, the computers cant access smb shares.
can anyone help me?
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