[Snort-users] a few questions...

Russ Combs rcombs at ...1935...
Fri Jul 5 18:35:33 EDT 2013

On Fri, Jul 5, 2013 at 5:56 PM, waldo kitty <wkitty42 at ...14940...> wrote:

> in response to another's query about how to compile the so dynamic rules,
> i set off to test my theory and understanding... i completed my task and
> have an executable snort 2.9.5 with what appears to be compiled so dynamic
> rules from snapshot-
> this snort was compiled "straight"... in other words, nothing fancy...
> only the following...
> ./configure
> make
> make install
> so there's a bit of background... if it is not complete enough, please ask
> me for additional information... now to my couple of questions...
> 1. i do have 14 compiled so dynamic rules files in my lib directory. snort
> does recognize them and appears to load them as can be seen in the
> execution output attached below. the question is why does snort report "0
> Dynamic rules" when it is initializing the rule chains? there /are/ 72
> rules stubs in the so_rules directory and they were created from the
> compiled rules by snort's --dump-dynamic-rules option... did i miss a
> change in the so_rules/src/Makefile other than changing the SNORT_VERSION
> entry?

Those are dynamically activated rules as opposed to dynamically loaded
rules.  Check here:


> 2. when i terminate snort, the "Packet I/O Totals" count of processed
> doesn't make sense. it says 4054 received and analyzed but the "Breakdown
> by protocol" says there were 4057. where did the extra three packets come
> from? it also reports 125 "Other" packets. how can i find out what they are
> or were?
> They are certain rebuilt packets counted here:

     S5 G 2:            3 (  0.074%)

Check here:


I guess that should also state that packets flushed at shutdown are counted
there as well.

> all the output from the execution is attached below (snort_execution.txt)
> and my snort.conf is attached after that (snort_conf.txt)...
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