[Freeswitch-users] FreeSwith does not setup secure call with leg B.

[Chandrakant Marathe]

Sorry Brian, I should have told the version. My bad.
I am using 1.2 stable release. When I hit "git branch -av", it outputs -

* v1.2.stable      2b62885 fs_cli: fix compiler error on CentOS 6 caused by
recent short uuid logging change

And from FreeSwitch console, when I hit "version" command, it shows -

FreeSWITCH Version 1.2.24+git~20140630T213113Z~2b62885f21~32bit (git
2b62885 2014-06-30 21:31:13Z 32bit)

I went through "vars.xml" and found only one config related with
"rtp_secure_media" and that to related with zrtp

<X-PRE-PROCESS cmd="set" data="zrtp_secure_media=true"/>

Is there any more configuration to do in v1.2 so as to enable end-to-end
secure call or shall I move to v1.4 beta?

Thanks.
--
CWM


On Tue, Sep 9, 2014 at 9:04 PM, Brian West <brian at freeswitch.org> wrote:

> You didn't mention what rev you're using, If you're in 1.4 then its
> rtp_secure_media, please see latest configs and extensive docs in vars.xml
> about srtp and all the nice knobs you can use to tweak it.
>
>
> On Tue, Sep 9, 2014 at 12:52 AM, Chandrakant Marathe <cwmarathe at gmail.com>
> wrote:
>
>> Hi All,
>> I have setup FreeSwith PBX. I am facing an issue of not having end to end
>> secure call. Caller sends INVITE request with SIPS in request URI and
>> RTP/SAVP in SDP. But when FreeSwith forwards the request to caller, it is
>> not using RTP/SAVP in SDP.
>>
>> I have followed the steps mentioned in WIKI (
>> https://wiki.freeswitch.org/wiki/SIP_TLS#Configuration) for TLS
>> configuration and marked "exports sip_secure_media" true in
>> "conf/dialplan/default.xml" file (as per
>> https://wiki.freeswitch.org/wiki/SRTP). But still FreeSwitch does not
>> use RTP/SAVP for leg-B.
>>
>> Also, I am bit confused with following condition in "default.xml" when
>> wiki page suggests that
>> late coded negotiation must NOT to be turned on.
>>
>>     <!--
>>          Since we have inbound-late-negotation on by default now the
>>          above behavior isn't the same so you have to do one extra step.
>>         -->
>>
>>       <condition field="${endpoint_disposition}" expression="^(DELAYED
>> NEGOTIATION)"/>
>>       <condition field="${switch_r_sdp}"
>> expression="(AES_CM_128_HMAC_SHA1_32|AES_CM_128_HMAC_SHA1_80)"
>> break="never">
>>         <action application="set" data="sip_secure_media=true"/>
>>         <!-- Offer SRTP on outbound legs if we have it on inbound. -->
>>         <action application="export" data="sip_secure_media=true"/>
>>       </condition>
>>
>> By commenting/un-commenting "sip_secure_media=true" above, it did not
>> worked.
>>
>> Any help with this would be greatly appreciated.
>>
>> --
>> Thanks
>> CWM
>>
>> _________________________________________________________________________
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>
>
>
> --
>
> *Brian West*
> brian at freeswitch.org
>
>
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>
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