dhcp & kernel: Unknown InputIN=eth0 ...

[Alexander Dalloz]

Am Fr, den 08.07.2005 schrieb David Niemi um 14:18:

> With the help of Alexandre and others I have gotten one system almost
> working, except for dhcp.  The system runs firestarter which provides
> the firewall on eth1 and dhcp on eth0 for my home network.  I have the
> following kernel errors:
> 
> Jul  7 19:10:37 rhonda dhcpd: Can't remove old lease database
> backup /var/lib/dhcp/dhcpd.leases~: Permission denied
> ....
> Jul  7 19:10:37 rhonda dhcpd:
> Jul  7 19:10:37 rhonda dhcpd: Listening on
>  LPF/eth0/00:e0:4c:20:eb:c3/192.168.0/24
> Jul  7 19:10:37 rhonda dhcpd: Sending on
>  LPF/eth0/00:e0:4c:20:eb:c3/192.168.0/24
> Jul  7 19:10:37 rhonda dhcpd: Sending on   Socket/fallback/fallback-net
> Jul  7 19:10:37 rhonda dhcpd: dhcpd startup succeeded
> Jul  7 19:10:43 rhonda dhcpd: DHCPDISCOVER from 00:01:29:f9:02:86 via
>  eth0
> Jul  7 19:10:43 rhonda kernel: Unknown InputIN=eth0 OUT=
>  MAC=ff:ff:ff:ff:ff:ff:XX:XX:XX:f9:02:86:08:00 SRC=0.0.0.0
>  DST=255.255.255.255 LEN=328 TOS=0x10 PREC=0x00 TTL=16 ID=0 PROTO=UDP
>  SPT=68 DPT=67 LEN=308
> Jul  7 19:10:44 rhonda dhcpd: DHCPOFFER on 192.168.0.200 to
>  00:01:29:f9:02:86 (DavesA64.daveshome) via eth0
> Jul  7 19:10:44 rhonda kernel: Unknown InputIN=eth0 OUT=
>  MAC=ff:ff:ff:ff:ff:ff:XX:XX:XX:f9:02:86:08:00 SRC=0.0.0.0
>  DST=255.255.255.255 LEN=328 TOS=0x10 PREC=0x00 TTL=16 ID=0 PROTO=UDP
>  SPT=68 DPT=67 LEN=308
> Jul  7 19:11:21 rhonda last message repeated 4 times
> Jul  7 19:11:53 rhonda last message repeated 2 times
> 
> The dhcp.leases~ has the following properties:
> -rw-r--r--  root root system_u:object_r:dhcpc_state_t 
>  /var/lib/dhcp/dhcpd.leases~
> 
> eth0 seems to be running and configured fine but the kernel is not
> recognizing the Input from it?  ifconfig of eth0 is:

That is iptables logging. Not the kernel isn't recognizing the packet,
but your firewall rules are logging the broadcast and probably block
those packets. Repair your firestarter setup.

Alexander


-- 
Alexander Dalloz | Enger, Germany | GPG http://pgp.mit.edu 0xB366A773
legal statement: http://www.uni-x.org/legal.html
Fedora Core 2 GNU/Linux on Athlon with kernel 2.6.11-1.35_FC2smp 
Serendipity 14:43:17 up 12 days, 21:35, load average: 0.40, 0.59, 0.48 
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