blocking icmp protocol

[Waleed Harbi]

iptables -A INPUT -p icmp -j DROP



On 12/17/06, John O'Loughlin <j.oloughlin at qmul.ac.uk> 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
>
> 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
:. Grasp all, lose all