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Re: [Snort-users] Network Variables

From: James Lay (jlayslave-tothe-box.net)
Date: Thu May 02 2013 - 12:35:34 CDT


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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