[Freeswitch-users] NAT: SDP with local IP in o-line unicast_address

Tue Nov 11 17:26:38 MSK 2014

Peter,

Yes that bug was about 5 months old, this is why you always test with
master or the latest release prior to mailing the list or opening a JIRA.
 ;)  I just assumed you were using something rather recent.

On Tue, Nov 11, 2014 at 7:57 AM, Peter Steinbach <lists at telefaks.de> wrote:

>  Hello Brian,
>
> I had the chance to have a time slot to test the behaviour with a brand
> new compiled Freeswitch from GIT. The Problem has disappeared. The
> previously tested Freeswitch was about 5 months old, so there must have
> been some fix in the meantime.
> Sorry for the inconvenience.
>
> Best regards
> Peter
>
>
>
>
>
> On 11/11/14 13:27, Peter Steinbach wrote:
>
> Hello Brian,
>
> a reloadacl shows
> 2014-11-11 13:21:37.079554 [NOTICE] switch_core.c:1306 Created ip list
> rfc6598.auto default (deny)
> 2014-11-11 13:21:37.079554 [NOTICE] switch_utils.c:325 Adding
> 100.64.0.0/10 (allow) [] to list rfc6598.auto
> 2014-11-11 13:21:37.079554 [NOTICE] switch_core.c:1312 Created ip list
> rfc1918.auto default (deny)
> 2014-11-11 13:21:37.079554 [NOTICE] switch_utils.c:325 Adding 10.0.0.0/8
> (allow) [] to list rfc1918.auto
> 2014-11-11 13:21:37.079554 [NOTICE] switch_utils.c:325 Adding
> 172.16.0.0/12 (allow) [] to list rfc1918.auto
> 2014-11-11 13:21:37.079554 [NOTICE] switch_utils.c:325 Adding
> 192.168.0.0/16 (allow) [] to list rfc1918.auto
>
> 2014-11-11 13:21:37.079554 [NOTICE] switch_core.c:1320 Created ip list
> wan.auto default (allow)
> 2014-11-11 13:21:37.079554 [NOTICE] switch_utils.c:325 Adding 0.0.0.0/8
> (deny) [] to list wan.auto
> 2014-11-11 13:21:37.079554 [NOTICE] switch_utils.c:325 Adding 10.0.0.0/8
> (deny) [] to list wan.auto
> 2014-11-11 13:21:37.079554 [NOTICE] switch_utils.c:325 Adding
> 172.16.0.0/12 (deny) [] to list wan.auto
> 2014-11-11 13:21:37.079554 [NOTICE] switch_utils.c:325 Adding
> 192.168.0.0/16 (deny) [] to list wan.auto
> 2014-11-11 13:21:37.079554 [NOTICE] switch_utils.c:325 Adding
> 169.254.0.0/16 (deny) [] to list wan.auto
>
> 2014-11-11 13:21:37.079554 [NOTICE] switch_core.c:1330 Created ip list
> nat.auto default (deny)
> 2014-11-11 13:21:37.079554 [NOTICE] switch_core.c:1332 Adding
> 192.168.206.241/255.255.255.255 (deny) to list nat.auto
> 2014-11-11 13:21:37.079554 [NOTICE] switch_utils.c:325 Adding 10.0.0.0/8
> (allow) [] to list nat.auto
> 2014-11-11 13:21:37.079554 [NOTICE] switch_utils.c:325 Adding
> 172.16.0.0/12 (allow) [] to list nat.auto
> 2014-11-11 13:21:37.079554 [NOTICE] switch_utils.c:325 Adding
> 192.168.0.0/16 (allow) [] to list nat.auto
> 2014-11-11 13:21:37.079554 [NOTICE] switch_utils.c:325 Adding
> 100.64.0.0/10 (allow) [] to list nat.auto
>
> 2014-11-11 13:21:37.079554 [NOTICE] switch_core.c:1342 Created ip list
> loopback.auto default (deny)
> 2014-11-11 13:21:37.079554 [NOTICE] switch_utils.c:325 Adding 127.0.0.0/8
> (allow) [] to list loopback.auto
>
> 2014-11-11 13:21:37.079554 [NOTICE] switch_core.c:1348 Created ip list
> localnet.auto default (deny)
> 2014-11-11 13:21:37.079554 [NOTICE] switch_core.c:1351 Adding
> 192.168.206.241/255.255.255.255 (allow) to list localnet.auto
>
> 2014-11-11 13:21:37.179566 [NOTICE] switch_core.c:1376 Created ip list lan
> default (allow)
> 2014-11-11 13:21:37.179566 [NOTICE] switch_utils.c:325 Adding
> 192.168.42.0/24 (deny) [] to list lan
> 2014-11-11 13:21:37.179566 [NOTICE] switch_core.c:1451 Adding
> 192.168.42.0/24 (deny) to list lan
> 2014-11-11 13:21:37.179566 [NOTICE] switch_utils.c:325 Adding
> 192.168.42.42/32 (allow) [] to list lan
> 2014-11-11 13:21:37.179566 [NOTICE] switch_core.c:1451 Adding
> 192.168.42.42/32 (allow) to list lan
>
> 212.xxx.xxx.106 is set for ext-rtp-ip and ext-sip-ip.
>
> Best regards
> Peter
>
> On 11/07/14 14:16, Brian West wrote:
>
> what do you have local-network-acl, ext-rtp-ip and ext-sip-ip?
>
> On Fri, Nov 7, 2014 at 6:23 AM, Peter Steinbach <lists at telefaks.de> wrote:
>
>> Hell,
>>
>> we have the following problem:
>>
>> Our Freswitch is behind NAT. We are sending faxes to a SIP provider.
>> Dependend on the destination number, the faxes are received or not.
>> Faxes are always sent via the same SIP provider and the same dialplan,
>> but I expect, they may be routed differently via other, subsequent SIP
>> providers.
>>
>> Regarding the SDP I can see, that the c-line does contain the our
>> external IP, but the o-Line does contain the local IP in the
>> unicast_address field.
>> We are routing the call via a defined gateway in the external profile,
>> which has external_sip_ip set and external_rtp_ip set.
>> Dialplan is:
>> <action application="export" data="t38_passthru=true"/>
>> <action application="set" data="proxy_media=true"/>
>> <action application="bridge"
>> data="sofia/gateway/QSC/06912345678 at sip.qsc.de"/>
>>
>> Here is the SDP
>> ====================================
>> v=0.
>> o=FreeSWITCH 1037989557 1037989558 IN IP4 192.168.206.241.
>> s=FreeSWITCH.
>> c=IN IP4 212.xxx.xxx.106.
>> t=0 0.
>> m=audio 12056 RTP/AVP 0 8.
>> a=rtpmap:0 PCMU/8000/1.
>> a=rtpmap:8 PCMA/8000/1.
>> a=maxptime:240.
>> ====================================
>>
>> I suspect, that the following SIP providers may have a problem with the
>> o-line with the local IP.
>> So - Is there any way to control this? E.g. via Dialplan variable?
>>
>> ACL also seems to be fine
>> 2014-11-07 12:31:10.599563 [NOTICE] switch_utils.c:324 Adding
>> 192.168.0.0/16 (allow) [] to list rfc1918.auto
>> 2014-11-07 12:31:10.599563 [NOTICE] switch_utils.c:324 Adding
>> 192.168.0.0/16 (allow) [] to list nat.auto
>>
>> I see the same behaviour also in
>> https://freeswitch.org/jira/browse/FS-5909 "ext-xxx-ip ignored with
>> proxy_media turned on"
>> There is a link for a patch, which is no longer available. Did this go
>> into the main release? Does anybody have this patch?
>>
>>
>> --
>> With kind regards
>> Peter
>>
>>
>> _________________________________________________________________________
>> Professional FreeSWITCH Consulting Services:
>> consulting at freeswitch.org
>> http://www.freeswitchsolutions.com
>>
>> Official FreeSWITCH Sites
>> http://www.freeswitch.org
>> http://confluence.freeswitch.org
>> http://www.cluecon.com
>>
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>>
>
>
>
>  --
>
> *Brian West*
> brian at freeswitch.org
>
>
>  *Twitter: @FreeSWITCH , @briankwest*
> http://www.freeswitchbook.com
> http://www.freeswitchcookbook.com
>
> *T:*+19184209001 | *F:*+19184209002 | *M:*+1918424WEST (9378)
> *iNUM:*+883 5100 1420 9001 | *ISN:*410*543 | *Skype:*briankwest
>
>
> _________________________________________________________________________
> Professional FreeSWITCH Consulting Services: consulting at freeswitch.orghttp://www.freeswitchsolutions.com
>
> Official FreeSWITCH Siteshttp://www.freeswitch.orghttp://confluence.freeswitch.orghttp://www.cluecon.com
>
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>
>
>
> --
> With kind regards
> Peter Steinbach
>
> Telefaks Services GmbHmailto:lists <lists> (att) telefaks.de
> Internet: www.telefaks.de
>
>
>
> --
> With kind regards
> Peter Steinbach
>
> Telefaks Services GmbHmailto:lists <lists> (att) telefaks.de
> Internet: www.telefaks.de
>
>
> _________________________________________________________________________
> Professional FreeSWITCH Consulting Services:
> consulting at freeswitch.org
> http://www.freeswitchsolutions.com
>
> Official FreeSWITCH Sites
> http://www.freeswitch.org
> http://confluence.freeswitch.org
> http://www.cluecon.com
>
> FreeSWITCH-users mailing list
> FreeSWITCH-users at lists.freeswitch.org
> http://lists.freeswitch.org/mailman/listinfo/freeswitch-users
> UNSUBSCRIBE:http://lists.freeswitch.org/mailman/options/freeswitch-users
> http://www.freeswitch.org
>

-- 

*Brian West*
brian at freeswitch.org

*Twitter: @FreeSWITCH , @briankwest*
http://www.freeswitchbook.com
http://www.freeswitchcookbook.com

*T:*+19184209001 | *F:*+19184209002 | *M:*+1918424WEST (9378)
*iNUM:*+883 5100 1420 9001 | *ISN:*410*543 | *Skype:*briankwest
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