[Serusers] Nathelper natping-interval malfunction.

[Andrei Pelinescu-Onciul]

On Jun 23, 2003 at 15:09, Younger Wang <wygmail at yeah.net> wrote:
> I am testing Nathelper module. It works well delivering SIP messages.
> However, natping-interval function seems malfunction.
> 
> The NAT scenario is simulated by a microsoft ICS. There is a Cisco ATA
> behind NAT with internal address 192.168.0.2 and it's mapped to external
> address 192.17.1.22. Ser is listening on external address 192.17.1.173. I
> added "modparam("nathelper", "natping-interval", 5) " to the nathelper.cfg
> file.
> 
> When ATA registered to Ser, I noticed 192.168.0.2:5056(UDP) is mapped to
> 192.17.1.22:1025(UDP). Register is successful and call could be established
> between internal ATA and external ATA(one way audio).  It's expected that
> Ser should send a UDP packet to 192.17.1.22:1025(UDP) every 5 seconds.
> However, the UDP packet is actually sent to 192.17.1.22:260(UDP). I wonder
> what's the problem?

260 is htons(1025). There was something like this fixed recently by the
nathelper module author, so please try updating to the latest cvs
(0.8.11dev34), or the latest cvs 0_8_11 pre-release (0.8.11pre34)
(cvs update/checkout -r rel_0_8_11).

Andrei