Remember that the User-Agent can be changed by the caller, they can send anything they choose. Don't authenticate on it alone.

On 4 December 2013 11:46, Peter Steinbach <lists@telefaks.de> wrote:

Hello Andrew,

if you manage your SIP registrations via xml_curl instead of a static dialplan, you have the variable "sip_user_agent" (e.g. sip_user_agent=Aastra%206739i/3.2.2.2044) available in the params, and then you can restrict the registrations based on the content in this variable.


Best regards
Peter

On 12/04/13 10:33, Andrew Cassidy wrote:

IPtables string matching is probably the easiest way (assuming no tls on these clients)

http://www.netfilter.org/documentation/HOWTO/netfilter-extensions-HOWTO-3.html#ss3.18

On 4 December 2013 07:52, mehroz <mehroz.ashraf85@gmail.com> wrote:

Hi All,

We already know that we can allow/deny a SIP end point to get registered to
FreeSWITCH on the basis of IP , but what about if we want it to filter
"User-Agent" field in REGISTER packets to be the key for registration.

Since , we can also use TLS based registration but some soft phones does not
have that capability. In that case , is there any way of passing only
specified USER AGENT SIP client?

Thanks



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