Re: Other computers cannot ping my computer
From: Yogi pn (yougander_at_gmail.com)
Date: Wed, 30 Nov 2005 13:00:53 +0530 To: General Red Hat Linux discussion list <firstname.lastname@example.org>
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
On 11/29/05, A.Fadyushin@it-centre.ru <A.Fadyushin@it-centre.ru> wrote:
> Telnetd has nothing to do with the ability to ping the computer - you
> should be able to ping you computer (if the firewall permits) even in
> the absence of telnetd. The telnetd daemon is used to allow users to
> access the computer from the network (more exactly - to give them access
> to the shell on the computer). However, because telnetd does not encrypt
> traffic (including users' passwords) its use is _strongly_ not
> recommended. If you need to allow remote shell access for users, use SSH
> (program 'ssh' on the client and 'sshd' on the server).
> Alexey Fadyushin.
> Brainbench MVP for Linux.
> > -----Original Message-----
> > From: email@example.com [mailto:redhat-list-
> > firstname.lastname@example.org] 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,
> > > -----Original Message-----
> > > From: Nupur [mailto:email@example.com]
> > > Dear All,
> > >
> > > I can telnet or ping to other machines in the network. But other
> > > machines are not even able to ping me. Why is this happening?
> > >
> > > Is it because of any firewall being active which I dont know about
> > > telnetd needs to be installed? If telnetd needs to be installed then
> > > to install it I have to follow ./configure, make and make install
> > > commands only?
> > >
> > > Regards,
> > > Nupur
> > >
> > > --
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> > As long as there's not a physical firewall between you and the other
> > you can see if the linux firewall (netfilter) is running with the
> > 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 .
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