Re: Help a sshd newbie! (Here is the results from that script)

[Robert Citek <rwcitek@alum.calberkeley.org>]

On Friday, May 14, 2004, at 13:02 US/Central, kjkeefe@siu.edu wrote:
> + ifconfig
> eth0      Link encap:Ethernet  HWaddr 00:30:1B:AE:1F:85
>           inet addr:192.168.1.29  Bcast:192.168.1.255  
> Mask:255.255.255.0
>           inet6 addr: fe80::230:1bff:feae:1f85/64 Scope:Link
>           UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
>           RX packets:21089 errors:0 dropped:0 overruns:0 frame:0
>           TX packets:15282 errors:0 dropped:0 overruns:0 carrier:0
>           collisions:0 txqueuelen:1000
>           RX bytes:15236277 (14.5 Mb)  TX bytes:1848920 (1.7 Mb)
>           Interrupt:18 Base address:0xc000
>
> lo        Link encap:Local Loopback
>           inet addr:127.0.0.1  Mask:255.0.0.0
>           inet6 addr: ::1/128 Scope:Host
>           UP LOOPBACK RUNNING  MTU:16436  Metric:1
>           RX packets:245 errors:0 dropped:0 overruns:0 frame:0
>           TX packets:245 errors:0 dropped:0 overruns:0 carrier:0
>           collisions:0 txqueuelen:0
>           RX bytes:20011 (19.5 Kb)  TX bytes:20011 (19.5 Kb)
>
> + ping -c 1 127.0.0.1
> PING 127.0.0.1 (127.0.0.1) 56(84) bytes of data.
>
> --- 127.0.0.1 ping statistics ---
> 1 packets transmitted, 0 received, 100% packet loss, time 0ms
>
> + ping -c 1 192.168.1.29
> PING 192.168.1.29 (192.168.1.29) 56(84) bytes of data.
>
> --- 192.168.1.29 ping statistics ---
> 1 packets transmitted, 0 received, 100% packet loss, time 0ms

Even with your firewall off (all the rules said ACCEPT), you cannot 
ping either eth0 or the loopback.  You're getting 100% packet loss.  As 
far as I can tell this doesn't seem to be a problem with either your 
firewall nor your sshd daemon, but something else.

I can't think of anything else right now.  As a start, I'd do the 
following:
  - disable the firewall
  - boot into single user mode
  - enable networking and nothing else
  - try to ping the interfaces (lo and eth0)

Regards,
- Robert


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