[OpenSIPS-Users] Amazon EC2 and topology_hiding(U) looping ACK

[Bogdan-Andrei Iancu]

Hi Alexander,

Most probably a script error. When using TH, when you do "loose_route()" 
for sequential requests, you must do
     if (loose_route() || match_dialog() ) {

Regards,

Bogdan-Andrei Iancu
OpenSIPS Founder and Developer
http://www.opensips-solutions.com

On 21.08.2014 15:17, Alexander Mustafin wrote:
> Hello!
>
> I’ve a problem with looping ACK, when using topology_hiding(«U») on 
> Amazon EC2 server with Elastic IP. All works fine without topology_hiding.
>
> I’ve set advertised_address=«54.54.54.54» (it;s example of my Elastic 
> IP address) option in config and have no other special functions like 
> «rewrite host()» and others in config.
>
> And now, when I receive ACK - it’s looping (some headers are cuted):
>
> U 2014/08/21 10:18:29.040856 62.62.62.62:5060 -> 10.0.0.196:5070
> ACK sip:77777777777 at 54.54.54.54:5070;did=d99.910e2214 SIP/2.0.
> From: 
> <sip:9999999999 at sip.media.example.com:5060;user=phone>;tag=-45026-48be65b-339c17e3-48be65b.
> To: «user 
> user"<sip:7777777 at sip.media.example.com:5060;user=phone>;tag=UjBF6gy1Q0Z7H.
> Call-ID: ead1318f74d2960620e85e487372d63a55e4a2 at 62.62.62.62 
> <mailto:ead1318f74d2960620e85e487372d63a55e4a2 at 62.62.62.62>.
> CSeq: 1 ACK.
> Via: SIP/2.0/UDP 62.62.62.62:5060;branch=z9hG4bK-70ee58-b9230b46-5c11ab8.
>
>
> U 2014/08/21 10:18:29.041446 10.0.0.196:5070 -> 54.54.54.54:5070
> ACK sip:77777777777 at 54.54.54.54:5070;did=d99.910e2214 SIP/2.0.
> From: 
> <sip:9999999999 at sip.media.example.com:5060;user=phone>;tag=-45026-48be65b-339c17e3-48be65b.
> To: «user 
> user"<sip:7777777 at sip.media.example.com:5060;user=phone>;tag=UjBF6gy1Q0Z7H.
> Call-ID: ead1318f74d2960620e85e487372d63a55e4a2 at 62.62.62.62 
> <mailto:ead1318f74d2960620e85e487372d63a55e4a2 at 62.62.62.62>.
> CSeq: 1 ACK.
> Via: SIP/2.0/UDP 54.54.54.54:5070;branch=z9hG4bK4d9f.070d4732.2.
> Via: SIP/2.0/UDP 62.62.62.62:5060;branch=z9hG4bK-70ee58-b9230b46-5c11ab8.
>
> U 2014/08/21 10:18:29.043433 54.54.54.54:5070 -> 10.0.0.196:5070
> ACK sip:77777777777 at 54.54.54.54:5070;did=d99.910e2214 SIP/2.0.
> From: 
> <sip:9999999999 at sip.media.example.com:5060;user=phone>;tag=-45026-48be65b-339c17e3-48be65b.
> To: "ration1 
> ration1"<sip:7777777 at sip.media.example.com:5060;user=phone>;tag=UjBF6gy1Q0Z7H.
> Call-ID: ead1318f74d2960620e85e487372d63a55e4a2 at 62.62.62.62 
> <mailto:ead1318f74d2960620e85e487372d63a55e4a2 at 62.62.62.62>.
> CSeq: 1 ACK.
> Via: SIP/2.0/UDP 54.54.54.54:5070;branch=z9hG4bK4d9f.070d4732.2.
> Via: SIP/2.0/UDP 62.62.62.62:5060;branch=z9hG4bK-70ee58-b9230b46-5c11ab8.
>
>
>
> What I should to do to solve this problem?
>
>
> Best regards,
> Alexander Mustafin
> mustafin.aleksandr at gmail.com <mailto:mustafin.aleksandr at gmail.com>
>
>
>
>
>
>
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