28 Oct
2004
28 Oct
'04
4:06 a.m.
The reason I removed the private range is because my
gateway (in this case a single UA simulating a
gateway) is privately addressed and does not site
behind a NAT.
Regards,
Allan
--- Allan <voip_tango(a)yahoo.ca> wrote:
Hello,
I have over the last few weeks been trying to get
ser
to work with rtpproxy and NAT. Today I was finally
able to make calls from and to a privately addressed
UA located behind a NAT device.
My questions are regarding the NAT example config
that
is included with the CVS and the section dealing
with
private addressing. In order for my calls to go
through I had to remove one of the private ranges
from
the following section:
route[1]
{
# !! Nathelper
if
(uri=~"[@:](192\.168\.|172\.(1[6-9]|2[0-9]|3[0-1])\.)"
&& !search("^Route:")){
sl_send_reply("479", "We don't forward
to
private IP addresses");
break;
};
Why is there a need to restrict what goes to
rtpproxy?
Is it related to how nathelper flags a NATed UA? I
think the nathelper module identifies a NATed UA by
looking to see if the via and received parameters
are
different. There is also a note regarding private
addressing (RFC 1918). Can someone clarify this
relationship?
Thank you in advance,
Allan
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