Snort mailing list archives

Re: Snort not generating alerts


From: wkitty42--- via Snort-users <snort-users () lists snort org>
Date: Thu, 17 Oct 2019 19:48:55 -0400


i'm putting this back on the list where it belongs instead of in private... my responses are in line below...

On 10/17/19 7:42 PM, bobby wrote:
How do I know if it works?  It says it received 31119 packets.

are you getting those alerts you were looking for if you add it? that's how you know ;)

Also, not sure if I can do this with an inline interface.

shouldn't matter...

On Sat, Oct 12, 2019 at 9:32 PM wkitty42--- via Snort-users wrote:

    On 10/12/19 7:22 PM, bobby via Snort-users wrote:
     > I am running Snort on a Ubuntu 16 server.  I made sure my interface is in
     > promiscuous mode.  I've also tested the configuration file, and it returned
     > fine.  I tested with local.rules, for ICMP alerts, which works file.  But
    when
     > Snort is running, no alerts are generated otherwise.  I went through my
    rules,
     > and I have over 80,000 rules active.  I am not sure if this matters, but
    they
     > are set to 'drop'.
     > Please advise.  Thank you.


    have you tried adding "-k none" to your snort command line?

    you might also want to disable all offloading of tasks to your NIC or other
    cards so that snort can perform those offloaded tasks itself...

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