RE: Other computers cannot ping my computer

A.Fadyushin_at_it-centre.ru
Date: 11/29/05

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    Date: Tue, 29 Nov 2005 19:38:25 +0300
To: <redhat-list@redhat.com>

    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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