[Snort-users] help with file bpf and ip 0.0.0.0

wkitty42 at ...14940... wkitty42 at ...14940...
Wed Jan 20 12:55:17 EST 2016


On 01/20/2016 12:03 PM, hernani coelho wrote:
> now i see if i search an web page snort give me alerts like this -->
>
> 	#0-(1-7731)
> <http://192.168.1.66/base-1.4.5/base_qry_alert.php?submit=%230-%281-7731%29&sort_order=>
> 	[snort <http://www.snort.org/search/sid/119-15>] http_inspect: OVERSIZE
> REQUEST-URI DIRECTORY 	2016-01-20 16:59:34 	192.168.1.66
> <http://192.168.1.66/base-1.4.5/base_stat_ipaddr.php?ip=192.168.1.66&netmask=32>:57514
> 	95.172.94.15
> <http://192.168.1.66/base-1.4.5/base_stat_ipaddr.php?ip=95.172.94.15&netmask32>:80
> 	TCP
>
>
> is safe to ignore port 80??

IMHO, absolutely not...

if you are getting oversize reports like that, you can increase the size of your 
oversize_dir_length setting in the http_inspect preprocessor section of your 
snort.conf file... we use 750 here but you may need a larger or smaller value 
depending on the traffic on your network...

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