Snort mailing list archives

Re: Segfault


From: Bryan Swann <swann () spawar navy mil>
Date: Thu, 21 Dec 2006 16:04:41 -0500

I'm running snort 2.6.1.1 and it is pretty buggy and just seems to die 
on a regular basis for no apparent reason.  I did change the detection 
engine to ac-bnfa so that it would start much faster, but that is 
probably the most non-standard thing I have done.

My snort process will sometimes die and other times it will simply stop 
sending alerts even though the process remains.  I'm hoping the latest 
version addreses some of these issues.  I'm not sure if that is the same 
problem you are having.

Andy Hester wrote:
I have setup snort on my LAN following Andy Firman's setup guide (Thanks
Andy).  It is currently listening to a hub that is connected to a span
port on my Cisco 4006.  I have also run it without the hub directly into
the span port.  (The hub is only there to allow for other network
traffic monitoring such as Observer - apparently the 4006 will only
allow 1 span port.)  Internal and External networks are both set to any,
as I want to analyze all traffic and I didn't see any references for
settings for that.  Only thing missing at this point is Oinkmaster,
which I haven't set up because I haven't got the thing to run for more
than a day or so without giving a segfault.

When snort segfaults, it gives no error messages that I can find.  I
have run in the foreground to see if there were any consistent issues ie
rules etc at the time of the segfault, but I haven't found anything
yet.  I have seen a couple of other people that have had the same
problem apparently and 1 suggested changing rulesets, which I did. 
Still having segfaults.

I'm not sure what to do from here with no error messages, etc.  Is this
an issue that has been definitively resolved?  I haven't been able to
find a solution anywhere, only other people with the same questions. 
Any ideas or help would be appreciated.

Thanks
Andy


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-- 
-
- Bryan Swann (swann () spawar navy mil)  843/218-4749
- SPAWAR Systems Center Charleston
-
-  The difference between genius and stupidity is that genius has its 
limits.  - Einstein

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