[Serusers] problems to use to SER/ NAT
Sergio Gerardo Festa
festa at interactuarsh.com.ar
Thu May 6 19:55:42 CEST 2004
hello
if I utilize rtpproxy.
I show it my configuration :
1- rtpproxy -l ip-private/ip-public
2- ser.cfg
# Sections marked with !! Nathelper contain modifications for nathelper
#
# NOTE !! This config is EXPERIMENTAL !
#
# ----------- global configuration parameters ------------------------
debug=3 # debug level (cmd line: -dddddddddd)
fork=yes
log_stderror=no # (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"
listen=200.61.161.132
alias="sip.boxip.com.ar"
# ------------------ 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;
};
if (nat_uac_test("3")) {
if (method == "REGISTER" || ! search("^Record-Route:")) {
log("LOG: Someone trying to register from private IP,
rewriting\n");
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
};
};
if (!method=="REGISTER") record_route();
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 (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;
# };
log(1,"registo 1");
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 (isflagset(6)) {
force_rtp_proxy();
};
t_on_reply("1");
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();
} else if (nat_uac_test("1")) {
fix_nated_contact();
};
}
3- my log
May 4 16:46:36 chitara rtpproxy[5767]: rtpproxy started.
May 4 16:46:40 chitara rtpproxy[5767]: error: received invalid command 'V'
May 4 16:46:40 chitara ser[5770]: ERROR: send_rtpp_command: can't read
reply from a RTP proxy
May 4 16:46:40 chitara ser[5770]: WARNING: nathelper: can't get version of
the RTP proxy
May 4 16:46:40 chitara ser[5770]: WARNING: nathelper: support for RTP
proxyhas been disabled
May 4 16:46:40 chitara ser[5770]: INFO: udp_init: SO_RCVBUF is initially
65535
May 4 16:46:40 chitara ser[5770]: INFO: udp_init: SO_RCVBUF is finally
131070
May 4 16:46:40 chitara ser[5775]: INFO: fifo process starting: 5775
May 4 16:46:40 chitara ser[5775]: SER: open_uac_fifo: fifo server up at
/tmp/ser_fifo...
May 4 16:46:40 chitara ser[5775]: WARNING: no fifo_db_url given - fifo DB
commands disabled!
May 4 16:48:05 chitara ser[5771]: registo 1
May 4 16:48:05 chitara ser[5773]: registo 1
May 4 16:48:10 chitara ser[5771]: registo 1
May 4 16:48:10 chitara ser[5774]: registo 1
May 4 16:48:34 chitara ser[5774]: registo 1
May 4 16:48:35 chitara ser[5771]: registo 1
May 4 16:48:39 chitara ser[5774]: ERROR: force_rtp_proxy: support for RTP
proxy is disabled
May 4 16:48:42 chitara ser[5774]: ERROR: force_rtp_proxy: support for RTP
proxy is disabled
May 4 16:48:42 chitara ser[5774]: ERROR: on_reply processing failed
May 4 16:48:42 chitara ser[5771]: ERROR: force_rtp_proxy: support for RTP
proxy is disabled
thanks
Saludos!
Sergio
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