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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Can you please elaborate on rate limiting. Not how to implement it but rather how implementation is beneficiary.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p>&nbsp;</o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Reading up on it, it appears that it just checks the tcp connections and denys connection if limit is passed.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p>&nbsp;</o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>In my thoughts, this is essentially a live fail2ban monitor in respects to attempted authentications. <o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p>&nbsp;</o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Thanks,<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>--E<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p>&nbsp;</o:p></span></p><div><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'><p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> asterisk-users-bounces@lists.digium.com [mailto:asterisk-users-bounces@lists.digium.com] <b>On Behalf Of </b>Jim DeVito<br><b>Sent:</b> Saturday, January 21, 2012 12:02 AM<br><b>To:</b> Asterisk Users Mailing List - Non-Commercial Discussion<br><b>Subject:</b> Re: [asterisk-users] Sip Registration Hijacking<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p>&nbsp;</o:p></p><p style='margin-bottom:12.0pt'>Rate limiting (google) via iptables FTW! Good luck! <br><br>----- Original message ----- <br>&gt;&nbsp;   <br>&gt; <br>&gt; Alejandro Imass wrote 20.01.2012 18:09: <br>&gt; <br>&gt; &gt; I would like to know how <br>&gt; to block this MF because he makes calls at 1-2 AM <br>&gt; <br>&gt; I use this <br>&gt; construction on my servers <br>&gt; <br>&gt; [users] <br>&gt; <br>&gt; exten =&gt; <br>&gt; _XXX,1,GotoIfTime(1:00-2:00,*,*,*?block,1,1) <br>&gt; <br>&gt; [block] <br>&gt; exten =&gt; <br>&gt; _X.,1,HangUp(1) <br>&gt; <br>&gt; -- <br>&gt; With Best Regards <br>&gt; Mikhail Lischuk <br>&gt; <br>&gt;&nbsp;   <o:p></o:p></p></div></body></html>