<div dir="ltr">IPtables string matching is probably the easiest way (assuming no tls on these clients)<div><br></div><div><a href="http://www.netfilter.org/documentation/HOWTO/netfilter-extensions-HOWTO-3.html#ss3.18">http://www.netfilter.org/documentation/HOWTO/netfilter-extensions-HOWTO-3.html#ss3.18</a></div>
</div><div class="gmail_extra"><br><br><div class="gmail_quote">On 4 December 2013 07:52, mehroz <span dir="ltr">&lt;<a href="mailto:mehroz.ashraf85@gmail.com" target="_blank">mehroz.ashraf85@gmail.com</a>&gt;</span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Hi All,<br>
<br>
We already know that we can allow/deny a SIP end point to get registered to<br>
FreeSWITCH on the basis of IP , but what about if we want it to filter<br>
&quot;User-Agent&quot; field in REGISTER packets to be the key for registration.<br>
<br>
Since , we can also use TLS based registration but some soft phones does not<br>
have that capability. In that case , is there any way of passing only<br>
specified USER AGENT SIP client?<br>
<br>
Thanks<br>
<br>
<br>
<br>
--<br>
View this message in context: <a href="http://freeswitch-users.2379917.n2.nabble.com/Restrict-SIP-registration-tp7596017.html" target="_blank">http://freeswitch-users.2379917.n2.nabble.com/Restrict-SIP-registration-tp7596017.html</a><br>

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</blockquote></div><br><br clear="all"><div><br></div>-- <br><b>Andrew Cassidy BSc (Hons) MBCS SSCA</b><div>Managing Director<div><div><img src="http://c1170247.r47.cf3.rackcdn.com/emailsig.png"><br></div><div><br><div><b style="color:rgb(51,135,171);text-decoration:none;font-family:sans-serif"><a href="mailto:info@cassidywebservices.co.uk" style="color:rgb(51,135,171);text-decoration:none;font-family:sans-serif" target="_blank">T</a> </b>03300 100 960 
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