[Freeswitch-users] How to reject SIP messages based on user agent?

[Lợi Đặng]

oh many thanks, David, the commands are already in FreeSwitch page.
Actually, expecting a B2BUA like FreeSwitch process SIP messages as a SIP
proxy is not really a good approach.
So using iptables will help me achieve my goal somehow, if there's no
workaround.

rgds,

Loi Dang Thanh
Phone : +84. 1224.735.448
Email : loi.dangthanh at gmail.com

On Sun, Feb 26, 2017 at 9:26 AM, David Villasmil <
david.villasmil.work at gmail.com> wrote:

> That is correct, it will.
> But you could also use iptables for block them.
> Let me know if you need the command, i have it somewhere :)
>
> On Sun, Feb 26, 2017 at 2:48 AM Lợi Đặng <loi.dangthanh at gmail.com> wrote:
>
>> hi David, I'm afraid your solution can only be used to process the INVITE
>> message, which create a channel.
>>
>> rgds,
>>
>>
>> Loi Dang Thanh
>> Phone : +84. 1224.735.448
>> Email : loi.dangthanh at gmail.com
>>
>> On Fri, Feb 24, 2017 at 6:28 PM, David Villasmil <
>> david.villasmil.work at gmail.com> wrote:
>>
>> You could use the variable sip_user_agent and reject them.
>>
>> On Fri, Feb 24, 2017 at 11:40 AM Lợi Đặng <loi.dangthanh at gmail.com>
>> wrote:
>>
>> hi Antonio, I was looking for SIP solutions. But you save me a day.
>> Many thanks.
>>
>> rgds,
>>
>> Loi Dang Thanh
>> Phone : +84. 1224.735.448
>> Email : loi.dangthanh at gmail.com
>>
>> On Fri, Feb 24, 2017 at 3:49 PM, Antonio Silva <asilva at wirelessmundi.com>
>> wrote:
>>
>> hi,
>>
>> you can do it using iptables:
>>
>> iptables -I INPUT -j DROP -p udp --dport 5060 -m string --string "zoiper"
>> --algo bm
>>
>>
>> source:
>> https://freeswitch.org/confluence/display/FREESWITCH/Security
>>
>>
>>
>>
>> On 02/24/2017 09:26 AM, Lợi Đặng wrote:
>>
>> Hi list, I have a list of user agent regex pattern. For example:
>> ^Asterisk PBX
>> ^Zoiper
>> ^SipP$
>> The list will have more and more members by time.
>> All I want is to reject all the SIP messages (not only INVITE) that has
>> User-Agent header value match any of the pattern in the list. How can I do
>> that?
>>
>> I know this can be achieved with a sip proxy placed before FreeSwitch,
>> but I don't want an additional SIP component for just that.
>>
>> Any help would be appreciated.
>> rgds,
>> Loi Dang Thanh
>> Phone : +84. 1224.735.448
>> Email : loi.dangthanh at gmail.com
>>
>>
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>
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