Snort mailing list archives

Re: Can't read data_log output file (empty)


From: Ronin CS via Snort-devel <snort-devel () lists snort org>
Date: Thu, 03 Aug 2017 13:45:37 +0000

Thanks, I'll check it!
I've been trying to do a whole patch to Flow events, adding a few fields to
use later, but ended up getting SegFault errors whenever I tried to change
those fields.

So I've been working on a temporary solution to keep developing my project,
but as soon as you guys finish the flow events, I'll try to adapt my module
again.

Thank you.

On Thu, 3 Aug 2017 at 09:13 Russ <rucombs () cisco com> wrote:

data_log was updated a few days ago to work with the new http_inspect.

We will get you something for flow events.


On 7/19/17 2:26 PM, Ronin CS wrote:

I'll be waiting for the update.

I'm also trying to add end-of-flow events, is there any specific file I
could look up to use as a model?
I've already set a passive Inspector to listen to a certain event, but I'm
not sure where I should setup the module responsible for publishing this
end-of-flow event.

On Mon, Jul 17, 2017 at 8:51 PM, Russ <rucombs () cisco com> wrote:

http_server (the old one) was deleted so you should stick with the
http_inspect (the new one).  Unfortunately, data_log now needs an update.
We will get you something soon.


On 7/17/17 6:20 PM, Ronin CS via Snort-devel wrote:

Hello everyone,

I'm trying to better understand how to handle events inside Snort++ using
data_log inspector as example. But at the moment, I can't really read the
output file because it's always empty for me.

Until now, I did the following changes to snort.lua:

- Added a new line "data_log = { key = 'http_raw_uri' }
- Changed the "http_inspector = { }" to "http_server = { }"
(As recommended here:
http://marc.info/?l=snort-users&m=147422221322032&w=2)

And ran the command:

"sudo snort -c /opt/snort/etc/snort/snort.lua -R
/opt/snort/etc/snort/samples.rules -r http.cap -A alert_ex --plugin-path
/opt/snort/lib/snort_extra"

The http.cap I'm using is the one located at
https://wiki.wireshark.org/SampleCaptures

What am I missing here?

Thanks in advance,
Ronin.


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