blocking icmp protocol

Waleed Harbi waleed.harbi at gmail.com
Sun Dec 17 18:33:00 UTC 2006


also you can use:
/bin/echo "1" > /proc/sys/net/ipv4/icmp_echo_ignore_all



On 12/17/06, Waleed Harbi <waleed.harbi at gmail.com> wrote:
>
> 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
> > >>
> > >> __________________________________________________
> > >> Do You Yahoo!?
> > >> Tired of spam?  Yahoo! Mail has the best spam protection around
> > >> http://mail.yahoo.com
> > >> --
> > >> redhat-list mailing list
> > >> unsubscribe mailto:redhat-list-request at redhat.com?subject=unsubscribe
> > >> https://www.redhat.com/mailman/listinfo/redhat-list
> > >>
> > >
> > >
> > >
> > > --
> > > :. Best Wishes
> > > :. Waleed Harbi
> > > ---------------------------------------------
> > > :. Never too old to learn
> > > :. Every why has a wherefore
> > > :. Grasp all, lose all
> > > --
> > > redhat-list mailing list
> > > unsubscribe mailto:redhat-list-request at redhat.com?subject=unsubscribe
> > > https://www.redhat.com/mailman/listinfo/redhat-list
> > >
> >
> > --
> > redhat-list mailing list
> > unsubscribe mailto:redhat-list-request at redhat.com?subject=unsubscribe
> > https://www.redhat.com/mailman/listinfo/redhat-list
> >
>
>
>
> --
> :. Best Wishes
> :. Waleed Harbi
> ---------------------------------------------
> :. Never too old to learn
> :. Every why has a wherefore
> :. Grasp all, lose all
>



-- 
:. Best Wishes
:. Waleed Harbi
---------------------------------------------
:. Never too old to learn
:. Every why has a wherefore
:. Grasp all, lose all



More information about the redhat-list mailing list