<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML><HEAD>
<META content="text/html; charset=us-ascii" http-equiv=Content-Type>
<META name=GENERATOR content="MSHTML 8.00.6001.18943"></HEAD>
<BODY>
<DIV dir=ltr align=left><SPAN class=922054820-03102010><FONT color=#0000ff
size=2 face=Arial>Make sure you have allowguest=no in your sip.conf, the
default is yes, unless you really do want anonymous guests.</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=922054820-03102010><FONT color=#0000ff
size=2 face=Arial></FONT></SPAN> </DIV>
<DIV dir=ltr align=left><SPAN class=922054820-03102010>
<DIV dir=ltr align=left><SPAN class=922054820-03102010><FONT color=#0000ff
size=2 face=Arial>Also i</FONT></SPAN><SPAN class=922054820-03102010><FONT
color=#0000ff size=2 face=Arial>t might pay to consider <A
href="http://www.emergingthreats.net/index.php/rules-mainmenu-38.html">http://www.emergingthreats.net/index.php/rules-mainmenu-38.html</A></FONT></SPAN></DIV></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=922054820-03102010><FONT color=#0000ff
size=2 face=Arial></FONT></SPAN> </DIV>
<DIV dir=ltr align=left><SPAN class=922054820-03102010><FONT color=#0000ff
size=2 face=Arial>Alec Davis</FONT></SPAN></DIV><BR>
<DIV dir=ltr lang=en-us class=OutlookMessageHeader align=left>
<HR tabIndex=-1>
<FONT size=2 face=Tahoma><B>From:</B> asterisk-users-bounces@lists.digium.com
[mailto:asterisk-users-bounces@lists.digium.com] <B>On Behalf Of </B>Greg
Saunders<BR><B>Sent:</B> Monday, 4 October 2010 9:20 a.m.<BR><B>To:</B>
asterisk-users@lists.digium.com<BR><B>Subject:</B> [asterisk-users] SIP flood
attacK<BR></FONT><BR></DIV>
<DIV></DIV>Hello all. I was recently the victim of a SIP flood attack. I'm
wondering what is the best method to prevent such things in the future.
<DIV>Many thanks</DIV>
<DIV>Greg</DIV></BODY></HTML>