[Snort-users] what's the difference between alert_fast and alert_unified?
patrick at ...4250...
Fri Oct 21 18:39:35 EDT 2005
Yes, with barnyard
From: snort-users-admin at lists.sourceforge.net
[mailto:snort-users-admin at lists.sourceforge.net] On Behalf Of zhaohui yin
Sent: Friday, October 21, 2005 8:32 PM
To: Matt Kettler
Cc: snort-users at lists.sourceforge.net
Subject: Re: [Snort-users] what's the difference between alert_fast and
I am use snort output to mysql , use unified output can transfer to
On 10/21/05, Matt Kettler <mkettler at ...4108...> wrote:
> zhaohui yin wrote:
> > Hi all:
> > I am confused the snort option about alert_fast /alert_unified,
> > and want to known in which mode ,snort will run fastest.
> unified is faster than alert_fast. "alert_fast" is a text-mode log for
> and while it's fast for text mode, and much faster than alert_full, it's
> text log.
> However, alert_unified is a binary format and you need to use barnyard to
> post-process the alerts into readable text. The unified binary format lets
> dump the alerts to disk with an absolute minimum amount of overhead, as it
> doesn't need to look up the alert descriptions, etc when logging.
> > I run snort with -b -A fast option, any suggestion?
> By using -b you're already getting some speed benefit, as your packet log
> binary. Unified would extend this and make both your packet and your alert
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