blocking icmp protocol

Waleed Harbi waleed.harbi at gmail.com
Tue Dec 19 05:33:51 UTC 2006


Lord,
What is the answer? Could you please help him?
I think you are the professional !!!

On 12/18/06, Lord of Gore <lordofgore at logsoftgrup.ro> wrote:
>
> John O'Loughlin wrote:
> >
> > filter is the default table so -t filter is not needed, also this will
> > drop all icmp from everywhere, which may  not be what he wants.
> >
> > If the host can still ping you it may well be the case that an earlier
> > rule is allowing them to do so, remember iptables works on a first
> > match basis.
> >
> > John
> Well although it pleases my heart to see a professional answer I must
> say that you discarded the first obvious reason: he's not pinging from
> the 192.168.1.125's subnet... :)
> >
> > On Sun, 17 Dec 2006, Waleed Harbi wrote:
> >
> >> iptables -t filter -A INPUT -p icmp -i eth0 -j DROP
> >>
> >> On 12/17/06, tamer amr <tamer_linux at yahoo.com> wrote:
> >>>
> >>> hi
> >>>
> >>> i can't disable the icmp with iptables
> >>> i made the following command
> >>>
> >>> iptables -A INPUT -p icmp -s 192.168.1.125 -j DROP
> >>>
> >>> but still  this ip can ping my host
> >>>
> >>> thank you
> >>>
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> >> --
> >> :. Best Wishes
> >> :. Waleed Harbi
> >> ---------------------------------------------
> >> :. Never too old to learn
> >> :. Every why has a wherefore
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-- 
:. Best Wishes
:. Waleed Harbi
---------------------------------------------
:. Never too old to learn
:. Every why has a wherefore
:. Grasp all, lose all



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