[Snort-devel] Snort Dies Unexpectedly
jeff.hunt at ...966...
Mon Nov 19 09:03:02 EST 2001
Snort is running on a RedHat 7.1 box that is patched up to 11/9/01,
running kernel version
Linux version 2.4.9-12 (bhcompile at ...963...) (gcc
version 2.96 20000731 (Red Hat Linux 7.1 2.96-85)) #1 Tue Oct 30
18:41:57 EST 2001
Systems specs -
processor : 0
vendor_id : GenuineIntel
cpu family : 6
model : 8
model name : Pentium III (Coppermine)
stepping : 1
cpu MHz : 531.622
cache size : 256 KB
fdiv_bug : no
hlt_bug : no
f00f_bug : no
coma_bug : no
fpu : yes
fpu_exception : yes
cpuid level : 2
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 sep mtrr pge mca
cmov pat pse36 mmx fxsr sse
bogomips : 1061.68
total used free shared buffers
Mem: 253756 99164 154592 672 6660
-/+ buffers/cache: 54356 199400
Swap: 393552 0 393552
Is running against PostgreSQL version : postgresql-7.1.3-1PGDG.rpm
Was built with : libnet-1.0.2a-1snort.rpm
Snort version is : snort-1.8.2-1snort.rpm
All was built from Source RPM's after OS was patched.
Snort Command Line Options :
/usr/sbin/snort -D -z est -i eth0 -c /etc/snort/snort.conf # please
note snort falls over with or without -z est
var HOME_NET 126.96.36.199/24
var EXTERNAL_NET any
var SMTP $HOME_NET
var HTTP_SERVERS $HOME_NET
var SQL_SERVERS $HOME_NET
var DNS_SERVERS $HOME_NET
preprocessor stream4: detect_scans
preprocessor http_decode: 80 -unicode -cginull
preprocessor rpc_decode: 111
preprocessor bo: -nobrute
preprocessor portscan: $HOME_NET 4 3 portscan.log
output database: log, postgresql, user=apache dbname=snort
Please note that we are not getting a lot of traffic and or alerts or
logs, the box has only log 8 alerts in 72 Hours so I think it is not a
traffic volume problem. I have a simple Cron job in /etc/cron.hourly
that contains a script that runs this
echo "Getting Update File"
echo "Extracting Rules"
tar zxvf snortrules.tar.gz *.rules
echo "Updating Rules Files"
mv -f *.rules /etc/snort
echo "Clean Up"
rm -rf /tmp/.snort_updates
echo "HUPing snortd"
The results of the cron job are mail to me every hour and I notice from
the restart that 2 - 3 times a day that snort has died.
Any help greatly appreciated, please let me know if you need any more
details, please note that no core file was produced this was verified
find / -name "core" -print
as a final note snort almost never starts via the rc file upon a reboot.
Thanks for taking the time to look at this, again all help greatly
jeff.hunt at ...962...
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