[Serusers] problems to use to SER/ NAT

Klaus Darilion klaus.mailinglists at pernau.at
Thu May 6 20:09:38 CEST 2004


Probably you are mixing versions of ser and rtpproxy which are incompatible.

Use rtpproxy release v20040105 for stable ser (rel_0_8_12) or use
unstable rtpproxy for unstable ser.

regards,
klaus

Sergio Gerardo Festa wrote:

> 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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> 
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