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fail2ban might be good for this.<br>
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On 04/05/2011 01:00 PM, <a class="moz-txt-link-abbreviated" href="mailto:asterisk-users-request@lists.digium.com">asterisk-users-request@lists.digium.com</a>
wrote:
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cite="mid:mailman.9.1302022801.4931.asterisk-users@lists.digium.com"
type="cite"><br>
<pre wrap="">Date: Tue, 5 Apr 2011 08:44:41 -0700 (PDT)
From: Steve Edwards <a class="moz-txt-link-rfc2396E" href="mailto:asterisk.org@sedwards.com"><asterisk.org@sedwards.com></a>
Subject: Re: [asterisk-users] Iptables configuration to handle brute
        force registrations?
On Tue, 5 Apr 2011, Gilles wrote:
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<pre wrap="">        I'm no expert of iptables, and it seems like it can handle banning
IP's that are trying to register and fail too many times.
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<pre wrap="">
</pre>
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<pre wrap="">Is there a good iptables configuration that I could use as reference?
</pre>
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<pre wrap="">
Gordon Henderson posted a link to his script that handled failures above a
threshold and some other cool stuff a few months back.
</pre>
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