[asterisk-users] Just got defrauded - how do I block calls which contain a dash (RegEx noob question)

[John Covici]

Also, make sure you are using fail2ban and that you have good
passwords on your extensions.

On Fri, 28 Oct 2016 11:55:42 -0400,
John Covici wrote:
> 
> How about a \ before the - ?
> 
> On Fri, 28 Oct 2016 11:38:13 -0400,
> Markus wrote:
> > 
> > Hi list,
> > 
> > I'm using Asterisk2Billing (v2.0.16) and it appears to have an
> > annoying bug. When there are rates for e.g. 44 (UK landline) and
> > 44870 (UK premium) and a fraudster manages to somehow dial 44-870
> > instead of 44870 the rate for 44 will match, not the one for
> > 44870.
> > 
> > So, I would like to block all calls on a dialplan level that
> > contain a dash. -44, 4-4, 44-, 44---, -, ---, just everything
> > with a friggin' dash.
> > 
> > My noob-ish try:
> > 
> > exten => _-.,1,NoOp(Blocking dash)
> > exten => _-.,n,Hangup
> > 
> > Doesn't work.
> > 
> > On https://wiki.asterisk.org/wiki/display/AST/Pattern+Matching I found:
> > 
> > "The dash (-) character is ignored in extensions and patterns
> > except when it is used in a pattern to specify a range in a
> > character set. It has no effect in matching or sorting
> > extensions."
> > 
> > How do I do it right?
> > 
> > Thank you!
> > Markus
> > 
> > -- 
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> > 
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> >      https://wiki.asterisk.org/wiki/display/AST/Getting+Started
> > 
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> 
> -- 
> Your life is like a penny.  You're going to lose it.  The question is:
> How do
> you spend it?
> 
>          John Covici
>          covici at ccs.covici.com
> 
> -- 
> _____________________________________________________________________
> -- Bandwidth and Colocation Provided by http://www.api-digital.com --
> 
> Check out the new Asterisk community forum at: https://community.asterisk.org/
> 
> New to Asterisk? Start here:
>       https://wiki.asterisk.org/wiki/display/AST/Getting+Started
> 
> asterisk-users mailing list
> To UNSUBSCRIBE or update options visit:
>    http://lists.digium.com/mailman/listinfo/asterisk-users

-- 
Your life is like a penny.  You're going to lose it.  The question is:
How do
you spend it?

         John Covici
         covici at ccs.covici.com