Re: Other computers cannot ping my computer

From: Yogi pn (yougander_at_gmail.com)
Date: 11/30/05

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    Date: Wed, 30 Nov 2005 13:00:53 +0530
    To: General Red Hat Linux discussion list <redhat-list@redhat.com>
    
    

    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.

    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.
    > http://www.brainbench.com
    >
    > > -----Original Message-----
    > > From: redhat-list-bounces@redhat.com [mailto:redhat-list-
    > > bounces@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,
    > >
    > >
    > > > -----Original Message-----
    > > > From: Nupur [mailto:channu.j@gmail.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
    > or
    > > > 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
    > 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 .
    > >
    > >
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