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From: Pablo Neira <pablo@eurodev.net>
To: Harald Welte <laforge@netfilter.org>
Cc: Netfilter Development <netfilter-devel@lists.netfilter.org>,
	Abraham van der Merwe <abz@frogfoot.net>
Subject: Re: ULOG / netlink errors
Date: Thu, 16 Dec 2004 15:42:07 +0000	[thread overview]
Message-ID: <41C1ACCF.6040604@eurodev.net> (raw)
In-Reply-To: <20041216134127.GI10165@sunbeam.de.gnumonks.org>

Harald Welte wrote:

>On Sun, Nov 28, 2004 at 09:50:04PM +0100, Pablo Neira wrote:
>  
>
>>Pablo Neira wrote:
>>
>>    
>>
>>>this is ok, it's always a good idea to reduce the probability of an 
>>>overflow. But I think that you'll have problems anyway with traffers 
>>>rates bigger than ~20 Mbits/s.
>>>      
>>>
>>well, this is true in ip_queue, don't know in ipt_ULOG, it depends on 
>>three/four parameters.
>>    
>>
>
>just to let you know: there are people doing ULOG based acounting on >=
>100MBit.  So it's not as bad as you think it is ;)
>

I love netlink sockets, but loving someone/something implies knowing 
their limitations as well :)

I think that it depends on the settings, let me see what happen with an 
insane iptables rule like: iptables -I INPUT -j ULOG

>[no, I'm not advertising the use of ulog for accounting.  That's not
>what it was menat for].
>

I do also use ULOG(tm) to log packets, Since I do my hamster pet looks 
happier ;)

--
Pablo

      reply	other threads:[~2004-12-16 15:42 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-11-28 11:37 ULOG / netlink errors Abraham van der Merwe
2004-11-28 20:37 ` Pablo Neira
2004-11-28 20:50   ` Pablo Neira
2004-12-16 13:41     ` Harald Welte
2004-12-16 15:42       ` Pablo Neira [this message]

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