When using nat_uac_test("3"), there is a particular REGISTER message that
my kamailio server receives where the source and via addresses are
different, but this function seems to return false (and then no nat
correction is applied). I have included the register message below. Is
there an obvious reason this is not triggering the nat_uac_test? Or can
anyone share how they would usually debug a situation like this? Any
help/advice would be appreciated.
Thank you!
Example captured Register message:
REGISTER sip:test1.test.com:5060 SIP/2.0
Call-ID: 3b0400ca43e28f78f3e6dc945a084...@192.xx.xxx.xxx
CSeq: 1418 REGISTER
From: "Joe" <sip:xxxyyyz...@test1.test.com>;tag=2163936191
To: "Joe" <sip:xxxyyyz...@test1.test.com>
Via: SIP/2.0/UDP
96.xxx.xxx.xxx:33745;rport;branch=z9hG4bKf5s1p`n3TRv5TZx5RXy.RVv+JPz8Nat*UX!8KRx4SRx
Via: SIP/2.0/UDP
192.xx.xxx.xxx:33745;branch=z9hG4bKeb263246c44095f072d8167dd0c7987a343134;rport
Max-Forwards: 70
User-Agent: SIPAUA/0.1.001
Contact: "Joe" <sip:xxxyyyz...@192.xx.xxx.xxx:33745;transport=udp>
Expires: 3600
Authorization: Digest username="xxxyyyzzzz",realm="test1.test.com
",nonce="UsDqxVLA6ZlvIrO3TsqCtm9X3vqY8405",uri="sip:test1.test.com:5060
",response="769d1e6f2fd36cf040503f9f079279a0"
Content-Length: 0
Associated lines from kamailio log:
[kamailio]# grep 3b0400ca43e28f78f3e6dc945a084...@192.xx.xxx.xxxkamailio.log
Dec 30 03:33:45 sip-01 kamailio[20489]: INFO: <script>:
3b0400ca43e28f78f3e6dc945a084...@192.xx.xxx.xxx|start|recieved UDP request
REGISTER sip:test1.test.com
Dec 30 03:33:45 sip-01 kamailio[20489]: INFO: <script>:
3b0400ca43e28f78f3e6dc945a084...@192.xx.xxx.xxx|log|source
96.xxx.xxx.xxx:33745
Dec 30 03:33:45 sip-01 kamailio[20489]: INFO: <script>:
3b0400ca43e28f78f3e6dc945a084...@192.xx.xxx.xxx|log|from
sip:xxxyyyz...@test1.test.com
Dec 30 03:33:45 sip-01 kamailio[20489]: INFO: <script>:
3b0400ca43e28f78f3e6dc945a084...@192.xx.xxx.xxx|log|to
sip:xxxyyyz...@test1.test.com
Dec 30 03:33:45 sip-01 kamailio[20489]: INFO: <script>:
3b0400ca43e28f78f3e6dc945a084...@192.xx.xxx.xxx|log|originated from
external sources
Dec 30 03:33:45 sip-01 kamailio[20489]: INFO: <script>:
3b0400ca43e28f78f3e6dc945a084...@192.xx.xxx.xxx|end|issued new auth
challenge to new registration attempt
Dec 30 03:33:45 sip-01 kamailio[20495]: INFO: <script>:
3b0400ca43e28f78f3e6dc945a084...@192.xx.xxx.xxx|start|recieved UDP request
REGISTER sip:test1.test.com:5060
Dec 30 03:33:45 sip-01 kamailio[20495]: INFO: <script>:
3b0400ca43e28f78f3e6dc945a084...@192.xx.xxx.xxx|log|source
96.xxx.xxx.xxx:33745
Dec 30 03:33:45 sip-01 kamailio[20495]: INFO: <script>:
3b0400ca43e28f78f3e6dc945a084...@192.xx.xxx.xxx|log|from
sip:xxxyyyz...@test1.test.com
Dec 30 03:33:45 sip-01 kamailio[20495]: INFO: <script>:
3b0400ca43e28f78f3e6dc945a084...@192.xx.xxx.xxx|log|to
sip:xxxyyyz...@test1.test.com
Dec 30 03:33:45 sip-01 kamailio[20495]: INFO: <script>:
3b0400ca43e28f78f3e6dc945a084...@192.xx.xxx.xxx|log|originated from
external sources
Dec 30 03:33:45 sip-01 kamailio[20495]: DEBUG: <script>:
3b0400ca43e28f78f3e6dc945a084...@192.xx.xxx.xxx|log|authenticated
xxxyyyz...@test1.test.com via cached SIP creds
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