netzwerkproblem: interface lo

[Andre Landwehr]

Moin.
Folgendes:
--------
twintower:/etc/network# route -n
Kernel IP routing table
Destination     Gateway         Genmask         Flags Metric Ref Use Iface
62.53.142.1     0.0.0.0         255.255.255.255 UH    0      0    0 ppp0
192.168.1.0     0.0.0.0         255.255.255.0   U     0      0    0 eth0
0.0.0.0         62.53.142.1     0.0.0.0         UG    0      0    0 ppp0
twintower:/etc/network# ping 127.0.0.1
PING 127.0.0.1 (127.0.0.1): 56 octets data
64 octets from 127.0.0.1: icmp_seq=0 ttl=64 time=4.8 ms
64 octets from 127.0.0.1: icmp_seq=1 ttl=64 time=0.1 ms
...
--------

soweit alles ok.

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twintower:/etc/network# poff -a
twintower:/etc/network# ping 127.0.0.1
PING 127.0.0.1 (127.0.0.1): 56 octets data
sendto: Operation not permitted
ping: sent 64 octets to 127.0.0.1, ret=-1
...
twintower:/etc/network# ifconfig
eth0      ....
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:1838 errors:0 dropped:0 overruns:0 frame:0
          TX packets:1838 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0 
          RX bytes:306756 (299.5 KiB)  TX bytes:306756 (299.5 KiB)
twintower:/etc/network# route -n
Kernel IP routing table
Destination     Gateway         Genmask         Flags Metric Ref Use Iface
192.168.1.0     0.0.0.0         255.255.255.0   U     0      0    0 eth0
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hä? Warum bitte kann ich 127.0.0.1 nicht mehr anpingen wenn die
Leitung nach draußen zu ist?


Andre

--
"The inside of a computer is as dumb as hell, but it goes like mad!"
(Physicist Richard Feynman)

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