Re: ERROR:I'm trying to delete a VIA but it's not mine!

Hi Col,

Two things.
First, the ERROR you describe about trying to delete a VIA that is not
mine: There was a bug that did take the "real" external IP address
(host_outbound config directive) to be a siproxd local address -
resulting in this error (usually during incoming responses only).

Second, you say you need to use another (chained) proxy to get things
work. This may be perfectly legal - some providers require this
(possibly to overcome firewall/NAT issues on their own side). Not using
this additional proxy will result in "things almost working". However,
this should be somehow documented on your providers side (configuration
help / examples that show you requires their proxy).

The bug (issue #1) is fixed, you may want to try the latest snapshot,
I hope the ERRORs should now be gone completely - and maybe also the
need to reset the phones.


Regards,
/Thomas

On 21 Jun, Colin Guthrie wrote:
> Hi,
> 
> I've just starting using siproxd as it appears to be the ideal
> solution to my network setup.
> 
> We have a small office and are behind a NAT router and want to use
> several hardware phones and Ekiga in our office.
> 
> Everything is routed through our main office server which runs siproxd
> but it does not do the NAT, this is left to our ADSL Modem which also
> DNATs ALL traffic back to this server for incoming connections.
> 
> On this server the external network is connected to via eth0 and the
> internal via eth1. The external subnet (to talk to the router) is
> 192.168.0.0/24 and the internal is 192.168.112.0/24.
> 
> My /etc/siproxd.conf is as below.
> 
> Through trial and error, I have found that I need to connect via an
> outgoing proxy in order to make things work. Not doing so will give
> the above errors (as per the subject). Unfortunately, recently I've
> found that even doing so still appears to log the occasional error
> about deleting a VIA that is not mine, even tho' the full error lists
> the IP address specified in host_outbound. I would have through that
> siproxd should consider the host_outbound IP to be "one of it's own!"?
> Also I found I needed the three part outbound proxy for things to work
> reliably. This was also through trial and error. I would have thought
> that no proxy should be needed here and that I SHOULD be able to
> connect siproxd directly to the internet due to the fact that all
> incoming connections are DNAT'ed back to the server from the firewall?
> Or is there perhaps a problem in that the outgoing packets from the
> server are NATed by the router? If so should I try to disable this?
> (e.g. move the NATing to the server?) From what I've read this does
> not appear to be a problem.
> 
> The phones in question are not setup to use STUN or any other NAT
> technique. They are just configured to use an outgoing proxy which
> points to the internal machine.
> 
> I have another problem relating to a message "Unable to Parse SIP
> message. This is not good." but I'll write about that in another mail.
> If someone could say what they would need from a debug log for helping
> to fix this I could make sure this is done correctly first post. Also
> any advice as to what to blank out would help!
> 
> Generally I find that even when things work for the most part, I will
> have to reset all the phones once a day which is very annoying!
> 
> I am using the latest snapshot build of siproxd.
> 
> FWIW I'm connecting to Gradwell's VOIP service.
> 
> I know this list does not have much traffic so if there is a better
> way to request some help then please let me know!
> 
> Thanks.
> 
> Col
> 
> 
> 
> if_inbound  = eth1
> if_outbound = eth1
> host_outbound = <OUR EXTERNAL STATIC IP>
> hosts_allow_reg = 192.168.0.0/16
> sip_listen_port = 5060
> daemonize = 1
> silence_log = 1
> log_calls = 1
> user = siproxd
> registration_file = /var/lib/siproxd/siproxd_registrations
> autosave_registrations = 300
> pid_file = /var/run/siproxd/siproxd.pid
> rtp_proxy_enable = 1
> rtp_port_low  = 7070
> rtp_port_high = 7089
> rtp_timeout = 300
> rtp_dscp = 46
> rtp_input_dejitter  = 100000
> rtp_output_dejitter = 100000
> default_expires = 600
> debug_level =      0x00000004
> debug_port = 0
> outbound_domain_name = lon-pbx-3.gradwell.net
> outbound_domain_host = nat1.gradwell.net
> outbound_domain_port = 5082
> pi_shortdial_enable = 0
> pi_shortdial_akey = *00
> pi_shortdial_entry = 17474743246
> pi_shortdial_entry = 17474745000
> 
> 
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