[Serusers] SER/rtpproxy as a SIP proxy on OpenBSD 3.5

[Maxim Sobolev]

Check that you are using latest version of rtp proxy available from the 
ser's cvs (module rtpproxy), not version downloaded from the web.

-Maxim

Dave Roper wrote:

>      I am trying to get SER and rtpproxy to run
> together on my OpenBSD 3.5 firewall.  My intention is
> to have SER 0.8.14 act as a SIP proxy for incoming SIP
> calls that reach me by IP address or domain name.  I
> also have an Asterisk PBX behind my firewall.  My
> problem is that SER can't find a running RTP proxy and
> I am not sure why.  I run rtpproxy without any
> switches.  SER is run as a non-root user and my
> ser.cfg is below:
> 
> #
> # $Id: ser.cfg,v 1.12 2002/10/21 02:40:06 jiri Exp $
> #
> # simple quick-start config script
> #
> 
> # ----------- global configuration parameters
> ------------------------
> 
> debug=3          # debug level (cmd line: -dddddddddd)
> fork=no
> log_stderror=yes	# (cmd line: -E)
> check_via=no	# (cmd. line: -v)
> dns=no           # (cmd. line: -r)
> rev_dns=no      # (cmd. line: -R)
> port=5060
> children=2
> fifo="/tmp/ser_fifo"
> alias="my.domainname.com"
> listen=204.118.177.213
> #listen=192.168.3.1
> 
> # ------------------ 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/nathelper.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"
> 
> # ----------------- 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", "secret", "alsdkhglaksdhfkloiwr")
> #modparam("auth", "calculate_ha1", yes)
> #
> # If you set "calculate_ha1" parameter to yes (which
> true in this config), 
> # uncomment also the following parameter)
> #
> #modparam("auth", "password_column", "password")
> 
> #modparam("rr", "enable_full_lr", 1)
> 
> modparam("registrar", "nat_flag", 6)
> 
> #nathelper
> 
> 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{
> 
> 	# compulsory processing of Route header fields and
> adding RR
> 	loose_route();
> 
> 	# ATA's are symmetric but don't advertise it -- force
> use of rport 
> 	if (search("User-Agent: Cisco ATA.*")) {
> 		setflag(1); # remember this is ATA
> 		force_rport();
> 		fix_nated_contact();
> 	};
> 
> 	/* registration (uses rewritten contacts) */
> 	if (method=="REGISTER") {
> 		save("my.domainname.com");
> 		break;
> 	};
> 
> 	if (method=="INVITE") {
> 		record_route();
> 		if (isflagset(1)) { # ATA ?
> 			force_rtp_proxy();
> 		};
> 		/* set up reply processing */
> 		t_on_reply("1");
> 	};
> 
> 	if (method == "INVITE" || method == "CANCEL") {
> 		if (!lookup("my.domainname.com")) {
> 			sl_send_reply("404", "Not Found");
> 			break;
> 		};
> 	};
> 
> 	/* set up reply processing and forward statefuly */
> 	t_relay();
> }
> 
> # all incoming replies for t_onrepli-ed transactions
> enter here
> onreply_route[1] {
> 	if (status=~"2[0-9][0-9]" && search("Server: Cisco
> ATA.*"))
> 		fix_nated_contact();
> 		force_rtp_proxy();
> }
> 
> 
> 
> 
> 
> 
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