Jan Kasprzak <kas@informatics.muni.cz> wrote:
>
> I had a strange failure of my Linux router yesterday. It is quite
> uncommon setup, but I wonder what could have caused this. The router
> started to dump the following messages into the syslog, and it stopped
> routing so our network was not reachable from the outside world:
>
> Feb 24 21:26:49 router kernel: impossible 888
> Feb 24 21:39:20 router kernel: ible 888
> Feb 24 21:39:20 router kernel: impossible 888
> Feb 24 21:39:20 router last message repeated 42 times
> Feb 24 21:39:20 router kernel: impossible 888
> Feb 24 21:39:21 router kernel: NET: 344 messages suppressed.
> Feb 24 21:39:21 router kernel: dst cache overflow
> Feb 24 21:39:21 router kernel: impossible 888
> Feb 24 21:39:21 router last message repeated 275 times
> [... and so on ...]
Have you applied those grsecurity patches ? I'm getting the same messages with it from time to time when hosts forget to log off. But most of them are harmless and only useful for debugging your firewall-rules.
*Kristian
:... [snd.science] ...:
::
:: http://www.korseby.net
:: http://gsmp.sf.net
:..........................:
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This archive was generated by hypermail 2b29 : Thu Feb 28 2002 - 21:00:14 EST