Chris,
What does an ngrep trace on the interface (interfaces?) of the machine
show? Are the packets changed when they leave the machine? In that
case it must be happening on that machine, i.e. no external firewall
munging. If that is the case then run OpenSIPS with debug level 9 or
so, save the output and then grep on the 2 different IP adresses that
are in the incoming/outgoing contact header to see why that header is
being changed. That might give a clue as to the SDP routing.
Cheers,
Henk Hesselink
On 09-02-11 01:28, Chris Stone wrote:
Ovidiu,
On Tue, Feb 8, 2011 at 2:31 PM, Ovidiu Sas<[email protected]> wrote:
You din't posted a proper SIP capture (no UDP src/dst IP for your
packets), but it seems that you are having a firewall issue. Just add
I agree that it almost sounds like a firewall issue but....I
completely disabled iptables on the server and tested again - issue
persists...
So the only other firewall is the PIX - external to this server. All
of the protocol fixup in it for SIP is disabled. Not sure how the PIX
can play in here when:
UPSTREAM PROVIDER
|
|
PIX Firewall
|
|
Cisco 12 port Switch
| |
| |
OpenSIPS Asterisk
Once the INVITE comes in, it would not see the PIX again - goes to
Opensips and then Asterisk.....
an xlog into your opensips server and see that you will have no
entries in syslog.
Added: xlog("L_ERR", "[method=$rm, from=$fu, to=$ru, src_ip=$si]\n");
tested another call and the log entries do so up:
Feb 8 17:22:53 mars /usr/sbin/opensips[7046]:
INFO:core:probe_max_receive_buffer: using a UDP receive buffer of 255
kb
Feb 8 17:23:04 mars /usr/sbin/opensips[7058]: INFO:core:buf_init:
initializing...
Feb 8 17:23:04 mars /usr/sbin/opensips[7058]: [method=INVITE,
from=sip:[email protected]:5060,
to=sip:[email protected]:5060;transport=udp,
src_ip=208.94.157.10]
Feb 8 17:23:07 mars /usr/sbin/opensips[7066]: INFO:core:buf_init:
initializing...
Feb 8 17:23:07 mars /usr/sbin/opensips[7066]: [method=ACK,
from=sip:[email protected]:5060,
to=sip:[email protected]:5060, src_ip=208.94.157.10]
Feb 8 17:23:18 mars /usr/sbin/opensips[7058]: [method=BYE,
from=sip:[email protected]:5060,
to=sip:[email protected]:5060, src_ip=208.94.157.10]
The INVITE that is sent out is having the same "Max-Forwards" counter
and you have a second Via with exactly the same branch parameter.
Would that not be then the result some 'default' within Opensips since
it's occurring with such a basic simple config? The config just calls
forward() essentially. No modules are loaded or initialized and the
route() block looks simply like:
route{
xlog("L_ERR", "[method=$rm, from=$fu, to=$ru, src_ip=$si]\n");
forward("67.212.153.179");
exit;
}
Thanks!
Chris
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