Re: running snort

[Balla István <balla.bmf () gmail com>]

sorry. snort.u2 is the log output format (unified2) with the appended
identifier: .1234557...
but why is that snort cannot read it with ./snort -r ./log/snort.u2.12345678

error:
ERROR: Can't initialize DAQ pcap (-1) - unknown file format


2013/5/1 Balla István <balla.bmf () gmail com>

> thanks for the answer Joel. snort is running as a daemon now. I wonder if
> you could provide a flow file with malicious traffic patterns (not so
> malicious, since my snort is not fine tuned yet :) that snort can read in
> readback mode to test it.
>
> **are detection and prevention functioning while reading back a flow or
> any traffic file?
>
> ------------------------------------------------
>
> other thing: following a basic deployment documentation i added the
> followings to rc.local:
>
> /usr/local/bin/barnyard2 -c /usr/local/snort/etc/barnyard2.conf \
> -G /usr/local/snort/etc/gen-msg.map \
> -S /usr/local/snort/etc/sid-msg.map \
> -d /var/log/snort \
> -f snort.u2 \
> -w /var/log/snort/barnyard2.waldo \
> -D
>
> it runs cool but what is *-f snort.u2
> *
> i don t find it anywhere in the file system...
>
> thanks
>
>
> 2013/4/30 Joel Esler <jesler () sourcefire com>
>
> > On Apr 30, 2013, at 3:43 PM, Balla István <balla.bmf () gmail com> wrote:
> >
> >  please point to the appropriate chapter in snort manual (long one) where
> > Decoding Ethernet is explained (and how to modify)
> >
> >
> > "Decoding Ethernet" means "Snort is running now!".  I suggest you add
> > "-D" to your Snort command line to make Snort run as a daemon and then deal
> > with the logs it produces.
> >
> > **one more thing: is "-h anyiphere" necessary in the line command once I
> > set ipvar HOME_NET variable in snort.conf?
> >
> >
> > -h is for the command line.  If you are setting HOME_NET in your
> > snort.conf, then no, you don't need it in your command line.
> >
> > --
> > *Joel Esler*
> > Senior Research Engineer, VRT
> > OpenSource Community Manager
> > Sourcefire
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