Strange messages in dmesg after DDoS-attack.

[Jesper Wallin]

>
> On Tue, 5 Apr 2005, Jesper Wallin wrote:
>
>> Dear list,
>>
>> A few days ago one of my machines were attacked by a DDoS-attack using
>> UDP
>> on random ports.. When I later on analyzed the logs, I found this in my
>> dmesg:
>>
>> xl0: initialization of the rx ring failed (55)
>> xl0: initialization of the rx ring failed (55)
>> xl0: initialization of the rx ring failed (55)
>>
>> I tried to find out on google what it ment, but without any luck. What
>> does that mean and how can I correct it (if it's a problem of course).
>>
>>
>> Best regards,
>> Jesper Wallin
>
> It means that we have a bug in the xl driver, probably nothing too
> serious.  Were there any other xl0 related messages, like "watchdog
> timeout"?
>
> My guess is that we have a problem under high traffic conditions, and the
> DDoS would qualify as that.
>
> Mike "Silby" Silbersack
>
Hi Mike,

First of all, thanks for your reply.. Nope, as far as I can see, I only
got 6 of those lines and nothing more.

I have a fxp0 in my other server, would you recommend me to switch the
NICs since the server using the xl0 got higher priority than the fxp0 one?


Regards,
Jesper Wallin