Re: "bsalg: parser failed"

Markus Gaugusch <[email protected]> Tue, 15 Sep 2015 16:53:22 +0200 (CEST)
Newsgroups gmane.linux.suse.security
Message-ID <[email protected]>
On Sep 15, Marcus Meissner <[email protected]> wrote:

> On Tue, Sep 15, 2015 at 09:55:16AM +0200, Markus Gaugusch wrote:
>> Hi,
>>
>> I'm running a firewall with shorewall-4.6.3.4 (SuSE package) on
>> openSUSE 13.2. Since about a week I receive lots and lots of
>> messages like these:
>>
>> Sep 15 09:37:32 proxy kernel: bsalg: parser failed
>> Sep 15 09:37:33 proxy kernel: bsalg: parser failed
>> Sep 15 09:37:33 proxy kernel: bsalg: parser failed
>> Sep 15 09:37:35 proxy kernel: net_ratelimit: 2 callbacks suppressed
>>
>> Last Kernel update was on August 18th, kernel-default 3.16.7-24.1.
>> But the messages did not start immediately after this update.
>> Shorewall is the original version included in the distribution.
>
> This comes from net/ipv4/netfilter/nf_nat_snmp_basic.c and happens if
> SNMP requests can not be correctly NATed.
>
> Open a bug agaisnt the kernel.
>
> If possible, try to capture this SNMP network traffic that causes
> this problem.

Hi Marcus!

Thank you very much for this hint!!!! :) :)

This explains another problem I was having, and I can resolve it by 
using another router for this traffic. So: Problem resolved :)

>
> Ciao, Marcus
>

Markus
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