[Snort-users] Is there an acceptable amount of dropped packets for snort?

Joel Esler jesler at ...1935...
Mon Feb 8 16:07:09 EST 2010


Andy,

Definitely the less packet drops the better.  0 being the optimal number.  What output method are you using?  By any chance the Database output method?

J

On Feb 8, 2010, at 3:55 PM, Andy Berryman wrote:

> Just wondering if there is a general acceptable amount of dropped packets for snort? Someone told me anything under around 10% would be acceptable. To me that's not right, any dropped packets to me is a big deal.
>  
> Would this be considered acceptable? My interval for the stats reporting is every 30 seconds.
>  
> Feb  8 19:30:32 (none) snort[25517]: Pkts Recv:   679621
> Feb  8 19:30:32 (none) snort[25517]: Pkts Drop:   3096
> Feb  8 19:30:32 (none) snort[25517]: % Dropped:   0.456%
>  
>  
>   8 19:30:32 (none) snort[25517]: Mbits/Second
> Feb  8 19:30:32 (none) snort[25517]: ----------------
> Feb  8 19:30:32 (none) snort[25517]: Snort:       347.481
> Feb  8 19:30:32 (none) snort[25517]: Sniffing:    1509.490
> Feb  8 19:30:32 (none) snort[25517]: Combined:    282.460
> Feb  8 19:30:32 (none) snort[25517]: uSeconds/Pkt
> Feb  8 19:30:32 (none) snort[25517]: ----------------
>  
> Feb  8 19:30:32 (none) snort[25517]: Snort Setwise Event Stats
> Feb  8 19:30:32 (none) snort[25517]: -------------------------
> Feb  8 19:30:32 (none) snort[25517]: Total Events:           913852
> Feb  8 19:30:32 (none) snort[25517]: Qualified Events:       451
> Feb  8 19:30:32 (none) snort[25517]: Non-Qualified Events:   913401
> Feb  8 19:30:32 (none) snort[25517]: %Qualified Events:      0.0494%
> Feb  8 19:30:32 (none) snort[25517]: %Non-Qualified Events:  99.9506%
>  
> Thanks,
> Andy Berryman
>  
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Joel Esler
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