Other computers cannot ping my computer

Manuel Arostegui Ramirez manuel at todo-linux.com
Wed Nov 30 12:00:41 UTC 2005


El Miércoles 30 Noviembre 2005 12:57, Nupur escribió:
> > > > -----Original Message-----
> > > > From: redhat-list-bounces at redhat.com [mailto:redhat-list-
> > > > bounces at redhat.com] On Behalf Of Lunt, Nick
> > > > Sent: Tuesday, November 29, 2005 12:18 PM
> > > > To: General Red Hat Linux discussion list
> > > > Subject: RE: Other computers cannot ping my computer
> > > >
> > > > Hi Nupur,
> > > > As long as there's not a physical firewall between you and the other
> > >
> > > pc's
> > >
> > > > you can see if the linux firewall (netfilter) is running with the
> > >
> > > iptables
> > >
> > > > command (as root)
> > > >
> > > > $ iptables -L
> > > >
> > > > will show you any rules that are setup.
> > > >
> > > > You can turn netfilter/iptables off with
> > > >
> > > > $ service iptables stop
> > > >
> > > > To make sure it doesn't start next reboot
> > > >
> > > > $ chkconfig iptables off
> > > >
> > > > To install telnetd with up2date run
> > > >
> > > > $ up2date -i telnet-server
> > > >
> > > > Good luck,
> > > > Nick .
>
> On 11/30/05, Yogi pn <yougander at gmail.com> wrote:
> > Regarding the ping status........ you can also check if ICMP is enabled
> > or disabled? ICMP has to be enabled on the remote machine to get the
> > reply when you ping.
>
> Hi,
>
> iptables -l does not show me anything. and I stopped the service as
> well. somehow, up2date is not working on my computer, so cannot use
> it.
>
> I am able to ping to others and they can ping each other except me.
> So, still checking ICMP comes into picture? I dont think so it is
> required.  And If it is required please let me know how to check for
> ICMP?
>
> Regards,
>      Nupur

What's the output of cat /proc/sys/net/ipv4/icmp_echo_ignore_all ?





-- 
Manuel Arostegui Ramirez #Linux Registered User 295750
Socio de Hispalinux 1813
Red Hat Linux 9, Kernel 2.6.2 ReiserFS
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