I did not have a problem with STUN and SER when I was using the latest dev code checked out of CVS. I have recently downgraded to the stable SER 0.8.12-tcp_nonb checked out of CVS and started seeing issues for X-lite clients behind NAT (non-symmetric) in SIP registration where SER is saving the private IP of the client rather than the "req_src_ip". X-lite log and SER config provided below. Is this a known limitation in 0.8.12 or is it a configuration issue? Please provide guidance.
******ser.cfg*************** # $Id: ser.cfg,v 1.21.4.1 2003/11/10 15:35:15 andrei Exp $ # # simple quick-start config script #
# ----------- 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 debug=7 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" fifo_mode=0666 # ------------------ 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"
# 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"
# ----------------- 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)
# ------------------------- request routing logic -------------------
# main routing logic alias=sip01.mydomain.net
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; };
# 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 record_route(); # loose-route processing if (loose_route()) { t_relay(); 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("mydomain.net", "subscriber")) {
www_challenge("mydomain.net", "0"); break; }; save("location"); break; }; lookup("aliases");
# native SIP destinations are handled using our USRLOC DB if (!lookup("location")) { sl_send_reply("404", "Not Found"); break; }; }; # forward to current uri now; use stateful forwarding; that # works reliably even if we forward from TCP to UDP if (!t_relay()) { sl_reply_error(); };
} ****************************
******X-lite log*************** (c)2003 Xten Networks Inc. All rights reserved. Private build: 1101 License key: 3AF6626C2FDE4D299EF7D63AC35AAD70
Established SIP protocol listen on: 192.168.0.5:5060
Discovered Port Restricted Cone NAT Firewall
SIP: 192.168.0.5:5060 RTP: 192.168.0.5:8000 NAT: 2xx.9x.1x.2x
PROXY#0: 6x.1xx.2x.2xx:5060
OUTBOUND-PROXY#0: 6x.1xx.2x.2xx:5060
SEND >> 6x.1xx.2x.2xx:5060 REGISTER sip:sip01.mydomain.net SIP/2.0 Via: SIP/2.0/UDP 192.168.0.5:5060;rport;branch=z9hG4bK2471A18BED4E42C9BB13A280DD7DF278 From: User 1 sip:8444@sip01.mydomain.net To: User 1 sip:8444@sip01.mydomain.net Contact: "User 1" sip:8444@192.168.0.5:5060 Call-ID: 3876234D9BC344B28AF7F67942511C61@sip01.mydomain.net CSeq: 36317 REGISTER Expires: 1800 Max-Forwards: 70 User-Agent: X-Lite build 1101 Content-Length: 0
RECEIVE << 6x.1xx.2x.2xx:5060 SIP/2.0 401 Unauthorized Via: SIP/2.0/UDP 2xx.9x.1x.2x:42418;rport=5060;branch=z9hG4bK2471A18BED4E42C9BB13A280DD7DF278 From: User 1 sip:8444@sip01.mydomain.net To: User 1 sip:8444@sip01.mydomain.net;tag=b27e1a1d33761e85846fc98f5f3a7e58.ceb7 Call-ID: 3876234D9BC344B28AF7F67942511C61@sip01.mydomain.net CSeq: 36317 REGISTER WWW-Authenticate: Digest realm="mydomain.net", nonce="40444a547dbb3567146e616e74096f4d56465461" Server: Sip EXpress router (0.8.12-tcp_nonb (i386/linux)) Content-Length: 0 Warning: 392 6x.1xx.2x.2xx:5060 "Noisy feedback tells: pid=30339 req_src_ip=2xx.9x.1x.2x req_src_port=5060 in_uri=
sip:sip01.mydomain.net out_uri=sip:sip01.mydomain.net via_cnt==1"
SEND >> 6x.1xx.2x.2xx:5060 REGISTER sip:sip01.mydomain.net SIP/2.0 Via: SIP/2.0/UDP 192.168.0.5:5060;rport;branch=z9hG4bKB3D25AC35E8449E1A33A5210805F0BF2 From: User 1 sip:8444@sip01.mydomain.net To: User 1 sip:8444@sip01.mydomain.net Contact: "User 1" sip:8444@192.168.0.5:5060 Call-ID: 3876234D9BC344B28AF7F67942511C61@sip01.mydomain.net CSeq: 36318 REGISTER Expires: 1800 Authorization: Digest username="8444",realm="mydomain.net",nonce="40444a547dbb3567146e616e74096f4d56465461",response
="d5314f1a24e2759a5e2efbb5a283c03a",uri="sip:sip01.mydomain.net" Max-Forwards: 70 User-Agent: X-Lite build 1101 Content-Length: 0
RECEIVE << 6x.1xx.2x.2xx:5060 SIP/2.0 200 OK Via: SIP/2.0/UDP 2xx.9x.1x.2x:42418;rport=5060;branch=z9hG4bKB3D25AC35E8449E1A33A5210805F0BF2 From: User 1 sip:8444@sip01.mydomain.net To: User 1 sip:8444@sip01.mydomain.net;tag=b27e1a1d33761e85846fc98f5f3a7e58.79a6 Call-ID: 3876234D9BC344B28AF7F67942511C61@sip01.mydomain.net CSeq: 36318 REGISTER Contact: sip:8444@192.168.0.5:5060;q=0.00;expires=1800 Server: Sip EXpress router (0.8.12-tcp_nonb (i386/linux)) Content-Length: 0 Warning: 392 6x.1xx.2x.2xx:5060 "Noisy feedback tells: pid=30321 req_src_ip=2xx.9x.1x.2x req_src_port=5060 in_uri=
sip:sip01.mydomain.net out_uri=sip:sip01.mydomain.net via_cnt==1" *************************
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