# ----------- BEGIN OF CUSTOM RULES ----------- # # Ignore netbios-ns, netbios-dgm, netbios-ssn, # microsoft-ds, bootps, bootpc, epman -A INPUT -p tcp -m multiport --dports netbios-ns,netbios-dgm,netbios-ssn,microsoft-ds,bootps,bootpc,epman -j DROP -A INPUT -p udp -m multiport --dports netbios-ns,netbios-dgm,netbios-ssn,microsoft-ds,bootps,bootpc,epman -j DROP # # ------------ END OF CUSTOM RULES ------------Note: The list of system known ports (as well as known to iptables) is based on file /etc/services. Now you can activate these rules as described here.
Sunday, April 25, 2010
Block netbios traffic using iptables
If you already have basic firewall, just add the following:
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