Re: Network Variables

["Seth Dunn" <seth () d2ms com>]

Ok, I set up my bpf file like you suggested, but it isn't working.
Just got this alert::
May 02 14:05:35 CX-Management snort: [1:9990003:1] NT2-SQL
Injection-Exec [Classification: Web Application Attack] [Priority: 1]
{TCP} 10.30.0.21:37215 -> 10.75.45.1:80

-----Original Message-----
From: James Lay [mailto:jlay () slave-tothe-box net] 
Sent: Thursday, May 02, 2013 1:36 PM
To: snort-users () lists sourceforge net
Subject: Re: [Snort-users] Network Variables

Parenthesis will help:

"not (net 10.10.0.0/24 && dst host 10.75.45.1 && dst port 80) or (not
net 10.30.0.0/24 && dst host 10.75.45.1 && dst port 80)"

James

On 2013-05-02 11:23, Seth Dunn wrote:
> So now my question comes, since you were wondering about the rule I 
> was using.
> This is my rule::
> not net 10.10.0.0/24 and dst host 10.75.45.1 && dst port 80 or not net
> 10.30.0.0/24 and dst host 10.75.45.1 && dst port 80
>
> By my understanding, and my desire to see happen is this.
> Traffic from the network 10.10.0.0/24 going to http at 10.75.45.1 
> should be ignored.
> Also, traffic from the network 10.30.0.0/24 going to http at
> 10.75.45.1
> should be ignored.
> All other traffic is still monitored.
>
> Is this correct, base on the rule above, or should it be worded 
> another way?

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Get 100% visibility into your production application - at no cost.
Code-level diagnostics for performance bottlenecks with <2% overhead
Download for free and get started troubleshooting in minutes.
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