Why Linux can't visit public net?

[kluu te]

Hi.
We would also like to know if it's a DSL connetion with static IP-address whitout router. 

----- Original Message -----
From: Michael Schwendt <fedora at wir-sind-cool.org>
Date: Thu, 2 Sep 2004 12:23:47 +0200
To: General Red Hat Linux discussion list <redhat-list at redhat.com>
Subject: Re: Why Linux can't visit public net?

> On Thu, 02 Sep 2004 18:02:19 +0800, Edward King wrote:
> 
> > My computer's OS is Red Hat Linux7.3,I can ping this Linux computer from other computers,but in this Linux computer,I ping publish net,I fount I can't ping it,and I can't visit public net in Red Hat Linux7.3,for example:
> > [root at www root]# ping www.sina.com
> > ping: unknown host www.sina.com
> > 
> > Then I try ping gateway,I got follow result:
> > [root at www root]# ping 210.xx.xx.xx
> > PING 210.xx.xx.xx (210.xx.xx.xx) from 210.xx.xx.xx : 56(84) bytes of data.
> > >From 210.xx.xx.xx icmp_seq=1 Packet filtered
> > >From 210.xx.xx.x x icmp_seq=2 Packet filtered
> > >From 210.xx.xx.xx icmp_seq=3 Packet filtered
> > >From 210.xx.xx.xx icmp_seq=4 Packet filtered
> > >From 210.xx.xx.xx icmp_seq=5 Packet filtered
> > 
> > --- 210.xx.xx.xx ping statistics ---
> > 5 packets transmitted, 0 received, +5 errors, 100% loss, time 4012ms
> > 
> > Then I try to ping DNS Server,I found I can't ping it!
> > [root at www root]# ping 210.x.x.x
> > connect: Network is unreachable
> 
> Post the unmodified output of the following commands to add some
> details:
> 
>   cat /etc/resolv.conf
>   netstat -nr
>   /sbin/ifconfig -a
> 
> Also describe what steps you did to configure your network.
> 
> 
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