[Serusers] ser + stun
ser die
serdiehard at yahoo.com
Mon Aug 16 19:43:12 CEST 2004
thank dave ,
as i said you earlies iam using the xlite
which is a stun client and iam running
the stun 0.92 + ser in same box
so in debug mode of stun i could able to see public ip
allocate to that private ip but ser is not showing
any difference ( this is also in the debug mode)
so i donot know where is the error
actualy to test my stun server i have installed
winstun in the private ip and when i use runtest
the message it gives is
Port restricted NAT detected - VoIP will work with
STUN Preserves port number Does not supports hairpin
of media Public IP address: 202.53.76.51
so from here how to move further even rtpproxy is not
working fine with this
my ser.cfg file is
*******************************************************
# This default script includes nathelper support. To
make it work
# you will also have to install Maxim's RTP proxy. The
proxy is enforced
# if one of the parties is behind a NAT.
#
# If you have an endpoing in the public internet which
is known to
# support symmetric RTP (Cisco PSTN gateway or
voicemail, for example),
# then you don't have to force RTP proxy. If you don't
want to enforce
# RTP proxy for some destinations than simply use
t_relay() instead of
# route(1)
#
# Sections marked with !! Nathelper contain
modifications for nathelper
#
# NOTE !! This config is EXPERIMENTAL !
#
# ----------- global configuration parameters
------------------------
debug=8 # debug level (cmd line: -dddddddddd)
fork=yes
log_stderror=yes # (cmd line: -E)
/* Uncomment these lines to enter debugging mode
fork=no
log_stderror=yes
*/
check_via=no # (cmd. line: -v)
dns=no # (cmd. line: -r)
rev_dns=no # (cmd. line: -R)
port=5060
children=4
fifo="/tmp/ser_fifo"
# ------------------ module loading
----------------------------------
# Uncomment this if you want to use SQL database
#loadmodule "/usr/local/lib/ser/modules/mysql.so"
loadmodule "/usr/local/lib/ser/modules/sl.so"
loadmodule "/usr/local/lib/ser/modules/tm.so"
loadmodule "/usr/local/lib/ser/modules/rr.so"
loadmodule "/usr/local/lib/ser/modules/maxfwd.so"
loadmodule "/usr/local/lib/ser/modules/usrloc.so"
loadmodule "/usr/local/lib/ser/modules/registrar.so"
loadmodule "/usr/local/lib/ser/modules/textops.so"
# Uncomment this if you want digest authentication
# mysql.so must be loaded !
#loadmodule "/usr/local/lib/ser/modules/auth.so"
#loadmodule "/usr/local/lib/ser/modules/auth_db.so"
# !! Nathelper
loadmodule "/usr/local/lib/ser/modules/nathelper.so"
# ----------------- setting module-specific parameters
---------------
# -- usrloc params --
modparam("usrloc", "db_mode", 0)
# Uncomment this if you want to use SQL database
# for persistent storage and comment the previous line
#modparam("usrloc", "db_mode", 2)
# -- auth params --
# Uncomment if you are using auth module
#
#modparam("auth_db", "calculate_ha1", yes)
#
# If you set "calculate_ha1" parameter to yes (which
true in this config),
# uncomment also the following parameter)
#
#modparam("auth_db", "password_column", "password")
# -- rr params --
# add value to ;lr param to make some broken UAs happy
modparam("rr", "enable_full_lr", 1)
# !! Nathelper
modparam("registrar", "nat_flag", 6)
modparam("nathelper", "natping_interval", 30) # Ping
interval 30 s
modparam("nathelper", "ping_nated_only", 1) # Ping
only clients behind NAT
# ------------------------- request routing logic
-------------------
# main routing logic
route{
# initial sanity checks -- messages with
# max_forwards==0, or excessively long requests
if (!mf_process_maxfwd_header("10")) {
sl_send_reply("483","Too Many Hops");
break;
};
if (msg:len >= max_len ) {
sl_send_reply("513", "Message too big");
break;
};
# !! Nathelper
# Special handling for NATed clients; first, NAT test
is
# executed: it looks for via!=received and RFC1918
addresses
# in Contact (may fail if line-folding is used);
also,
# the received test should, if completed, should
check all
# vias for rpesence of received
if (nat_uac_test("3")) {
# Allow RR-ed requests, as these may indicate that
# a NAT-enabled proxy takes care of it; unless it is
# a REGISTER
if (method == "REGISTER" || !
search("^Record-Route:")) {
log("LOG: Someone trying to register from
private IP, rewriting\n");
# This will work only for user agents that
support symmetric
# communication. We tested quite many of them
and majority is
# smart enough to be symmetric. In some phones
it takes a configuration
# option. With Cisco 7960, it is called
NAT_Enable=Yes, with kphone it is
# called "symmetric media" and "symmetric
signalling".
fix_nated_contact(); # Rewrite contact with
source IP of signalling
if (method == "INVITE") {
fix_nated_sdp("1"); # Add direction=active
to SDP
};
force_rport(); # Add rport parameter to topmost
Via
setflag(6); # Mark as NATed
};
};
# we record-route all messages -- to make sure that
# subsequent messages will go through our proxy;
that's
# particularly good if upstream and downstream
entities
# use different transport protocol
if (!method=="REGISTER") record_route();
# subsequent messages withing a dialog should take
the
# path determined by record-routing
if (loose_route()) {
# mark routing logic in request
append_hf("P-hint: rr-enforced\r\n");
route(1);
break;
};
if (!uri==myself) {
# mark routing logic in request
append_hf("P-hint: outbound\r\n");
route(1);
break;
};
# if the request is for other domain use UsrLoc
# (in case, it does not work, use the following
command
# with proper names and addresses in it)
if (uri==myself) {
if (method=="REGISTER") {
# Uncomment this if you want to use digest
authentication
# if (!www_authorize("iptel.org", "subscriber")) {
# www_challenge("iptel.org", "0");
# break;
# };
save("location");
break;
};
lookup("aliases");
if (!uri==myself) {
append_hf("P-hint: outbound alias\r\n");
route(1);
break;
};
# native SIP destinations are handled using our
USRLOC DB
if (!lookup("location")) {
sl_send_reply("404", "Not Found");
break;
};
};
append_hf("P-hint: usrloc applied\r\n");
route(1);
}
route[1]
{
# !! Nathelper
if
(uri=~"[@:](192\.168\.|10\.|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;
};
# if client or server know to be behind a NAT, enable
relay
if (isflagset(6)) {
force_rtp_proxy();
};
# NAT processing of replies; apply to all
transactions (for example,
# re-INVITEs from public to private UA are hard to
identify as
# NATed at the moment of request processing); look at
replies
t_on_reply("1");
# send it out now; use stateful forwarding as it
works reliably
# even for UDP2TCP
if (!t_relay()) {
sl_reply_error();
};
}
# !! Nathelper
onreply_route[1] {
# NATed transaction ?
if (isflagset(6) && status =~ "(183)|2[0-9][0-9]")
{
fix_nated_contact();
force_rtp_proxy();
# otherwise, is it a transaction behind a NAT and
we did not
# know at time of request processing ? (RFC1918
contacts)
} else if (nat_uac_test("1")) {
fix_nated_contact();
};
*******************************************************
with regards
serdiehard
--- Dave Bath <dave at fuuz.com> wrote:
> You should only need to enable stun from your client
> (obviously only
> works for a client which supports stun).
>
> Sorry, I do not use cpled
>
> -----Original Message-----
> From: ser die [mailto:serdiehard at yahoo.com]
> Sent: 16 August 2004 14:43
> To: Dave Bath
> Cc: serusers at lists.iptel.org
> Subject: RE: [Serusers] ser + stun
>
> yes dave,
>
> my stun server is working correctly i have tested
>
> with winstunsetup.msi
>
> now i need to work this with ser
>
> does i need to have any configurarion changes in the
>
>
> ser.cfg?
>
> has the cpled worked for you?
>
> with regards
> serdiehard
>
> --- Dave Bath <dave at fuuz.com> wrote:
>
> > Hey,
> >
> > Haven't really used the raw fifo commands, so
> can't
> > help you there. I
> > suggest you find a machine from which you can
> > confirm whether your stun
> > server is operating correctly before you worry
> about
> > the ser.cfg.
> >
> > Regards,
> >
> > Dave
> >
> > -----Original Message-----
> > From: ser die [mailto:serdiehard at yahoo.com]
> > Sent: 16 August 2004 13:52
> > To: Dave Bath
> > Subject: RE: [Serusers] ser + stun
> >
> > thanks dave,
> >
> > i have downloaded winstunsetup but the format is
> > .msi
> > mines is a linux system so i donot know how to use
> > is it and how to get the confirmation that stun is
>
> > correctly setup in the system
> >
> > one other thing do you have any idea about how to
> > run
> > the fifo commands?
> >
> >
> > with regards
> > serdiehard
> >
> > --- Dave Bath <dave at fuuz.com> wrote:
> >
> > > Have you used the WinStun program to confirm
> that
> > > your stun server is
> > > correctly set up?
> > >
> > > Dave
> > >
> > > -----Original Message-----
> > > From: serusers-bounces at lists.iptel.org
> > > [mailto:serusers-bounces at lists.iptel.org] On
> > > Behalf Of ser die
> > > Sent: 16 August 2004 08:44
> > > To: serusers at lists.iptel.org
> > > Subject: [Serusers] ser + stun
> > >
> > > hello friends,
> > >
> > > iam using ser of latest cvs head
> > >
> > > and stun server of 0.92 version
> > >
> > > iam running ser + stun on the same box
> > >
> > > mines problem is stun could able to communicate
> > >
> > > with the behind nat boxes and give an public ip
> to
> >
> > >
> > > that machines but ser could not able to even
> > >
> > > detect that.
> > >
> > > is there any special cofigurations we need to
> make
> > >
> > > with regards
> > > rama kanth
> > >
> > >
> > >
> > >
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