Re: [mod-security-users] Does REMOTE_ADDR directive can handle CIDR notation?

[Josh Amishav-Z. <ja...@ow...>]

On Tue, Aug 27, 2013 at 10:14 PM, Sergio <se...@gm...> wrote:

> Hi all,
> I have a doubt, Does the REMOTE_ADDR can use CIDR notation or is it only
> for exact matches as the example in the reference manual?
>
> Example:
> SecRule REMOTE_ADDR "@ipMatch 192.168.1.101" "id:35"
>
> I will like to use a rule that can block a range of /16's IPs.
>
>
Hi Sergio,

The REMOTE_ADDR variable simply holds the remote address of the client. The
ipMatch operator does support CIDR notation. For example the following rule
blocks a /16 address range:

SecRule REMOTE_ADDR "@ipMatch 10.0.0.0/16" "phase:1,id:1,block,msg:'Blocked
request due to source IP'"

--
 - Josh

Thanks in advace.
>
> Regards,
>
> Sergio
>
>
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