[Serusers] about SER+nathelper+rtpproxy

Greger V. Teigre greger at teigre.com
Wed Apr 13 06:39:31 CEST 2005


I believe you may have experienced a bug in the rtpproxy.cfg file.  New 
config files and document are very close. I have posted the fix several 
times to this list, as well as to ONsip.org:
http://www.onsip.org/modules/altern8news/article.php?storyid=11
g-)

gcc chentob wrote:
> Hello ,
>      I have installed  the SER-0.9.0 +nathelper+rtpproxy,it can let
> the the SER through the nat by the rtpproxy. But there are a problem . The 
> endpoint would sent Bye message to SER when it connect the SER
> about 32 sec. I have tested some endpoints but it is the same (only
> can maintain 32 sec connecting). Why? I don't know how to solve the
> problem. My config file following:
>
>
> dns=no
> rev_dns=no
> fifo="/tmp/ser_fifo"
> fifo_db_url="mysql://ser:heslo@localhost/ser"
>
> 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/auth.so"
> loadmodule "/usr/local/lib/ser/modules/auth_db.so"
> loadmodule "/usr/local/lib/ser/modules/nathelper.so"
> loadmodule "/usr/local/lib/ser/modules/textops.so"
> loadmodule "/usr/local/lib/ser/modules/uri_db.so"
> loadmodule "/usr/local/lib/ser/modules/uri.so"
> loadmodule "/usr/local/lib/ser/modules/domain.so"
>
> modparam("auth_db|usrloc|uri_db", "db_url",
> "mysql://ser:heslo@localhost/ser")
>
> modparam("auth_db", "calculate_ha1", 1)
> modparam("auth_db", "password_column", "password")
>
> modparam("nathelper", "natping_interval", 30)
> modparam("nathelper", "ping_nated_only", 1)
> modparam("nathelper", "rtpproxy_sock", "unix:/var/run/rtpproxy.sock")
>
> modparam("usrloc", "db_mode", 2)
>
> modparam("registrar", "nat_flag", 6)
>
> modparam("rr", "enable_full_lr", 1)
>
> route {
>
> # -----------------------------------------------------------------
> # Sanity Check Section
> # -----------------------------------------------------------------
> if (!mf_process_maxfwd_header("10")) {
> sl_send_reply("483", "Too Many Hops");
> break;
> };
>
> if (msg:len > max_len) {
> sl_send_reply("513", "Message Overflow");
> break;
> };
>
> # -----------------------------------------------------------------
> # Record Route Section
> # -----------------------------------------------------------------
> if (method!="REGISTER") {
> record_route();
> };
>
> if (method=="BYE" || method=="CANCEL") {
> unforce_rtp_proxy();
> }
>
> # -----------------------------------------------------------------
> # Loose Route Section
> # -----------------------------------------------------------------
> if (loose_route()) {
>
> if (has_totag() && method=="INVITE") {
> if (nat_uac_test("19")) {
> setflag(6);
> force_rport();
> fix_nated_contact();
> };
>                    force_rtp_proxy("l");
> };
>  route(1);
> break;
> };
>
> # -----------------------------------------------------------------
> # Call Type Processing Section
> # -----------------------------------------------------------------
> if (uri==myself) {
> if (method=="INVITE") {
> route(3);
> break;
> } else if (method=="REGISTER") {
> route(2);
> break;
> };
>
> if (!lookup("location")) {
> sl_send_reply("404", "User Not Found");
> break;
> };
>
> route(1);
> };
> }
>
> route[1] {
>
> # -----------------------------------------------------------------
> # Default Message Handler
> # -----------------------------------------------------------------
>
> t_on_reply("1");
>
> if (!t_relay()) {
> if (method=="INVITE" && isflagset(6)) {
>   unforce_rtp_proxy();
> };
> sl_reply_error();
> };
> }
>
> route[2] {
>
> # -----------------------------------------------------------------
> # REGISTER Message Handler
> # ----------------------------------------------------------------
>
> if (!search("^Contact: \*") && nat_uac_test("19")) {
> setflag(6);
> fix_nated_register();
> force_rport();
> };
>
> sl_send_reply("100", "Trying");
>
> if (!www_authorize("","subscriber")) {
> www_challenge("","0");
> break;
> };
>
> if (!check_to()) {
> sl_send_reply("401", "Unauthorized");
> break;
> };
>
>     consume_credentials();
>
> if (!save("location")) {
> sl_reply_error();
> };
> }
>
> route[3] {
>
> # -----------------------------------------------------------------
> # INVITE Message Handler
> # -----------------------------------------------------------------
>
> if (nat_uac_test("19")) {
> setflag(6);
>     }
>
> if (!lookup("location")) {
> sl_send_reply("404", "User Not Found");
> break;
> };
>
> if (!proxy_authorize("","subscriber")) {
> proxy_challenge("","0");
> break;
> } else if (!check_from()) {
> sl_send_reply("403", "Use From=ID");
> break;
> };
>
>     consume_credentials();
>
> if (isflagset(6)) {
> force_rport();
> fix_nated_contact();
> force_rtp_proxy();
> };
>
> t_on_reply("1");
>
> if (!t_relay()) {
> if(isflagset(6)) {
> unforce_rtp_proxy();
> }
> sl_reply_error();
> };
> }
>
> onreply_route[1] {
>
> if (isflagset(6) && status=~"(180)|(183)|2[0-9][0-9]") {
>  if (!search("^Content-Length:\ 0")) {
> force_rtp_proxy();
> };
> } else if (nat_uac_test("1")) {
> fix_nated_contact();
> };
> }
>
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