[SR-Users] regular expression question

[Brandon Armstead]

if(!($ua =~ "")){
On Fri, Dec 9, 2016 at 7:04 AM Satish Patel <satish.txt at gmail.com> wrote:

> I am trying to block SIP scanner so i am trying to use following logic
>
> only allow "My-UserAgent" and block rest but its throwing error, but
>
> if i use  =~ regular expression which works! why negative match
>
> doesn't work?
>
>
>
> if($ua !~ "(My-UserAgent") {
>
>                    xlog("L_INFO","On more scriptkiddie, coming from
>
> $si, blocking");
>
>                    exit;
>
>                 }
>
>
>
>
>
> what could be wrong here?
>
>
>
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>
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>
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>
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