sr-users March 2005

sr-users@lists.kamailio.org

250 participants
627 discussions

by Toni Barata

Hello Everybody, Why enum module is not capable of parsing a response to a naptr query if this response don´t have any Authority and Additional RRs? When it receives some response like this one, it work well: Domain Name System (response) Transaction ID: 0xbe8b Flags: 0x8580 (Standard query response, No error) 1... .... .... .... = Response: Message is a response .000 0... .... .... = Opcode: Standard query (0) .... .1.. .... .... = Authoritative: Server is an authority for domain .... ..0. .... .... = Truncated: Message is not truncated .... ...1 .... .... = Recursion desired: Do query recursively .... .... 1... .... = Recursion available: Server can do recursive queries .... .... ..0. .... = Answer authenticated: Answer/authority portion was not authenticated by the server .... .... .... 0000 = Reply code: No error (0) Questions: 1 Answer RRs: 1 Authority RRs: 1 Additional RRs: 1 Queries 0.9.2.9.7.0.5.1.2.1.5.3.e164.arpa: type NAPTR, class inet Name: 0.9.2.9.7.0.5.1.2.1.5.3.e164.arpa Type: Naming authority pointer Class: inet Answers 0.9.2.9.7.0.5.1.2.1.5.3.e164.arpa: type NAPTR, class inet Name: 0.9.2.9.7.0.5.1.2.1.5.3.e164.arpa Type: Naming authority pointer Class: inet Time to live: 0 time Data length: 69 Data: u e2u+sip !^\+351215079290(.*)$!sip:\celso@sip.sapo.pt! Authoritative nameservers e164.arpa: type NS, class inet, ns dasilva.cet.pt Name: e164.arpa Type: Authoritative name server Class: inet Time to live: 0 time Data length: 16 Name server: dasilva.cet.pt Additional records dasilva.cet.pt: type A, class inet, addr 10.112.128.6 Name: dasilva.cet.pt Type: Host address Class: inet Time to live: 1 day Data length: 4 Addr: 10.112.128.6 But when it receives a response like this one, it get a parsing error: Domain Name System (response) Transaction ID: 0xbe8b Flags: 0x8580 (Standard query response, No error) 1... .... .... .... = Response: Message is a response .000 0... .... .... = Opcode: Standard query (0) .... .1.. .... .... = Authoritative: Server is an authority for domain .... ..0. .... .... = Truncated: Message is not truncated .... ...1 .... .... = Recursion desired: Do query recursively .... .... 1... .... = Recursion available: Server can do recursive queries .... .... ..0. .... = Answer authenticated: Answer/authority portion was not authenticated by the server .... .... .... 0000 = Reply code: No error (0) Questions: 1 Answer RRs: 1 Authority RRs: 0 Additional RRs: 0 Queries 0.9.2.9.7.0.5.1.2.1.5.3.e164.arpa: type NAPTR, class inet Name: 0.9.2.9.7.0.5.1.2.1.5.3.e164.arpa Type: Naming authority pointer Class: inet Answers 0.9.2.9.7.0.5.1.2.1.5.3.e164.arpa: type NAPTR, class inet Name: 0.9.2.9.7.0.5.1.2.1.5.3.e164.arpa Type: Naming authority pointer Class: inet Time to live: 0 time Data length: 69 Data: u e2u+sip !^\+351215079290(.*)$!sip:\celso@sip.sapo.pt! The reported error on ser debug is: 9(24255) ERROR: get_record: rdata parse error 9(24255) ERROR: get_record 9(24255) enum_query(): No NAPTR record found for 0.9.2.9.7.0.5.1.2.1.5.3.e164.arpa.. Can somebody point us a solution to this problem? Many Thanks, Toni

19 years, 9 months

[Serusers] Mediaproxy errors

by RiverNet Support

Good day, I have a very interesting error coming back with my attempts to use the mediaproxy module. This is what is appearing in the syslog file: Mar 3 13:26:37 hostthe3rd /usr/local/sbin/ser[30021]: error: mediaproxy/sendMediaproxyCommand(): can't connect to MediaProxy Mar 3 13:26:37 hostthe3rd /usr/local/sbin/ser[30020]: error: mediaproxy/sendMediaproxyCommand(): can't connect to MediaProxy I can send a full copy of my cfg file if needed, but will attach small snippits of it that have the sections on the mediaproxy parts. Any help on this would be greatly appreciated. Thanks Terry --- Snippets from ser.cfg file --- loadmodule "/usr/local/lib/ser/modules/mediaproxy.so" ... modparam("mediaproxy", "natping_interval", 60) modparam("registrar", "nat_flag", 2) ... route { ... if (method=="REGISTER") { # Nat Info - Hopefully if (client_nat_test("3")) { setflag(2); force_rport(); fix_contact(); }; ... route[2] { if (method=="INVITE") { t_on_failure("1"); } else if (method=="BYE" || method=="CANCEL") { end_media_session(); }; if (loose_route()) { if (method=="INVITE" || method=="ACK") { use_media_proxy(); }; t_relay(); break; } if (method=="INVITE") { record_route(); }; if (client_nat_test("3") && !search("^Recored-Route:")) { force_rport(); fix_contact(); }; if (method=="INVITE") { t_on_reply("1"); }; if (method=="INVITE" || method=="ACK") { use_media_proxy(); }; # outbound requests are allowed only for registered BigU users if (!(src_ip==216.94.106.12) & !(proxy_authorize("hostthe3rd.rivernet.net", "subscriber"))) { # ACK and CANCEL have no security mechanisms so they are just # noted if (method=="ACK" | method=="BYE") { log(1, "LOG: failed outbound authentication for ACK granted\n"); } else if (method=="CANCEL") { log(1, "LOG: failed outbound authentication for CANCEL granted\n"); } else if (method=="INVITE") { setflag(1); } else { proxy_challenge("hostthe3rd.rivernet.net", "0"); break; }; setflag(1); }; # to maintain credibility of our proxy, we check From in INVITEs # if (!src_ip==216.94.106.12 & method=="INVITE" & !check_from()) { # log(1, "LOG: Spoofed from attempt\n"); # sl_send_reply("403", "Use From=id next time"); # break; # }; append_hf("P-hint: OUTBOUND ON INTERNET\r\n"); setflag(1); if (!t_relay()) { if (method=="INVITE" || method=="ACK") { end_media_session(); }; sl_reply_error(); break; }; } ... failure_route[1] { end_media_session(); } onreply_route[1] { if (status=~"(183)|(2[0-9][0-9])") { if(client_nat_test("1")) { fix_contact(); } use_media_proxy(); }; }

19 years, 9 months

[Serusers] pike module question

by Java Rockx

Hi All. Does anyone have a ser.cfg example for using the pike module to block SIP registration attempts when 20 failures per minute have been exceeded? Is this even possible wike pike? Regards, Paul

19 years, 9 months

[Serusers] help:serweb: message store, missed call + polycom phones

by harry gaillac

hi all, I set up ser + serweb + asterisk with 2 ip300 Polycom. ip300 Polycom supporting SUBSCRIBE/NOTIFY/MESSAGE methods. When i set one phone offline (phone is powered and registered in location table) i can't store IM in msilo table.IM is sent to phone if i switch off phone IM is stored in msilo table but when I switch on the phone IM is not dumped to phone. Can I use presence instead of location in order to store IM ? Harry Découvrez le nouveau Yahoo! Mail : 250 Mo d'espace de stockage pour vos mails ! Créez votre Yahoo! Mail sur http://fr.mail.yahoo.com/

19 years, 9 months

[Serusers] rewriting from ID using asterisk and sending back to ser

by Iqbal

Hi I am looking to send inbound calls (selectively) into asterisk to rewrite the calledID and then send back to ser to complete the call onto a IP phone, can anyone provide any input to this. The callerID needs to be replaced for a pbx functionality, however from previous posts its seems as if SER is not the best place to do it, hence the aim is to lookup th inbound number , see if its field is set to pbx, route to asterisk replace callerID, and then send back to SER for completion...if possible :-) Iqbal

19 years, 9 months

[Serusers] How Do I Handle <Contact: *> REGISTER messages?

by Java Rockx

Hi All. RFC3261 section 10.2.2 Removing Bindings says that when a registrar server receives a Contact header with a value of "*" and expires=0 it should remove all bindings for the AOR. Do I just send back a 200OK? How do I handle this in ser.cfg? Regards, Paul

19 years, 9 months

[Serusers] hi all, newbie problem probably

by Olivier.taylor

I installed ser on a linux box centos 3.4 I use mysql 4.10 Furthermore I am noob on Linux and Ser :( I get this messages at boot in the messages file Impossible the for an UA to connect to ser... Help is welcome, regards, Olivier Mar 3 17:12:19 linux ser: WARNING: could not rev. resolve 82.146.123.252 Mar 3 17:12:19 linux ser: Listening on Mar 3 17:12:19 linux ser: 127.0.0.1 [127.0.0.1]:5060 Mar 3 17:12:19 linux ser: 82.146.123.252 [82.146.123.252]:5060 Mar 3 17:12:19 linux ser: Aliases: localhost:5060 localhost.localdomain:5060 82.146.123.252:* linux.finalcut.be:* finalcut.be:* Mar 3 17:12:19 linux ser: Listening on Mar 3 17:12:19 linux ser: 127.0.0.1 [127.0.0.1]:5060 Mar 3 17:12:19 linux ser: 82.146.123.252 [82.146.123.252]:5060 Mar 3 17:12:19 linux ser: Aliases: localhost:5060 localhost.localdomain:5060 82.146.123.252:* linux.finalcut.be:* finalcut.be:* Mar 3 17:12:19 linux ser: Listening on Mar 3 17:12:19 linux ser: 127.0.0.1 [127.0.0.1]:5060 Mar 3 17:12:19 linux ser: 82.146.123.252 [82.146.123.252]:5060 Mar 3 17:12:19 linux ser: Aliases: localhost:5060 localhost.localdomain:5060 82.146.123.252:* linux.finalcut.be:* finalcut.be:* Mar 3 17:12:19 linux ser: ser startup succeeded Mar 3 17:12:19 linux /usr/sbin/ser[2649]: connect_db(): Can't connect to local MySQL server through socket '/var/lib/mysql/mysql.sock' (2) Mar 3 17:12:19 linux /usr/sbin/ser[2649]: db_init(): Error while trying to connect database Mar 3 17:12:19 linux /usr/sbin/ser[2649]: mod_init(): Error while connecting database Mar 3 17:12:19 linux /usr/sbin/ser[2649]: init_mod(): Error while initializing module usrloc

19 years, 9 months

[Serusers] Please help...

by Mohammad Khan

I have three UA UA1 -> beeplove(a)iptel.org (Windows Messenger) UA2 -> beeplove(a)projuktee.com (Kphone) UA3 -> someone(a)projuktee.com (Windows Messenger) These three UAs, registering from outside of my network but behind NAT. I can communicate between, UA1 <=> UA2 and UA1 <=> UA3 but not between UA2 <=> UA3 I am running ser-0.9.0 with rtpproxy on the same machine. my ser is behind NAT too. Would anybody please help me? Thanks, MOhammad here is my ser.cfg # ----------- global configuration parameters ------------------------ debug=4 # debug level (cmd line: -dddddddddd) fork=no log_stderror=yes check_via=no # (cmd. line: -v) dns=no # (cmd. line: -r) rev_dns=no # (cmd. line: -R) listen=192.168.71.2 alias=projuktee.com port=5060 children=10 fifo="/tmp/ser_fifo" fifo_db_url="mysql://ser:heslo@localhost/ser" # ------------------ module loading ---------------------------------- loadmodule "/usr/lib/ser/modules/mysql.so" loadmodule "/usr/lib/ser/modules/sl.so" loadmodule "/usr/lib/ser/modules/tm.so" loadmodule "/usr/lib/ser/modules/rr.so" loadmodule "/usr/lib/ser/modules/maxfwd.so" loadmodule "/usr/lib/ser/modules/usrloc.so" loadmodule "/usr/lib/ser/modules/registrar.so" loadmodule "/usr/lib/ser/modules/textops.so" loadmodule "/usr/lib/ser/modules/nathelper.so" loadmodule "/usr/lib/ser/modules/acc.so" loadmodule "/usr/lib/ser/modules/auth.so" loadmodule "/usr/lib/ser/modules/auth_db.so" # ----------------- setting module-specific parameters --------------- # -- auth params -- modparam("auth_db", "db_url", "mysql://ser:heslo@localhost/ser") # -- auth_db params -- modparam("auth_db", "db_url", "mysql://ser:heslo@localhost/ser") modparam("auth_db", "calculate_ha1", 0) modparam("auth_db", "password_column", "ha1") modparam("auth_db", "password_column_2", "ha1b") # -- usrloc params -- modparam("usrloc", "db_url", "mysql://ser:heslo@localhost/ser") modparam("usrloc", "db_mode", 1) modparam("usrloc", "timer_interval", 5) # -- register params -- modparam("registrar", "nat_flag", 6) # -- nathelper params -- modparam("nathelper", "natping_interval", 10) modparam("nathelper", "ping_nated_only", 1) # -- rr params -- modparam("rr", "enable_full_lr", 1) # -- acc params -- modparam("acc", "log_flag", 1) modparam("acc", "log_missed_flag", 2) modparam("acc", "log_level", 2) modparam("acc", "log_fmt", "cdfimorstup") modparam("acc", "early_media", 1) modparam("acc", "failed_transactions", 1) modparam("acc", "report_ack", 1) # ------------------------- request routing logic ------------------- # main routing logic route{ 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 (!method=="REGISTER") record_route(); if (loose_route()) { append_hf("P-hint: rr-enforced\r\n"); route(1); break; }; if (!uri=~"projuktee.com") { append_hf("P-hint: outbound\r\n"); route(1); break; }; if (uri=~"projuktee.com") { if (method=="REGISTER") { if (!www_authorize("projuktee.com", "subscriber")) { www_challenge("projuktee.com", "0"); setflag(1); break; }; save("location"); break; }; lookup("aliases"); if (!uri=~"projuktee.com") { append_hf("P-hint: outbound alias\r\n"); route(1); break; }; if (!lookup("location")) { sl_send_reply("404", "Not Found"); break; }; }; append_hf("P-hint: usrloc applied\r\n"); route(1); } route[1] { if (!t_relay()) { sl_reply_error(); }; }

19 years, 9 months

[Serusers] which ser + serweb works?

by Tan, Chiang Kang

Hi all, I have downloaded the CVS version of ser 0.8.14 and I also got a serweb-2004-07. But the 'perms' column is dropped in ser, hence when I login using serweb it complains about the 'perms' field that's not there. I try to tweak the ser_mysql.sh so that when I do a ser_mysql.sh reinstall it does not drop the perms column. However then I am unable to start ser instead. Is anyone out there kind enough to point me to which version of ser and serweb will work together? I even tried a later version of serweb (0.8.12), but complains about "error in SQL query, line 30" when i try to login. Any pointers will be of great help. cheers Chiang

19 years, 9 months

[Serusers] :-((

by Mohammad Khan

What is wrong here? beeplove(a)projukee.com -> behind NAT outside ser using Kphone mahfuz(a)projuktee.com -> behind another NAT outside ser using Windows Messenger Could anybody show me where I am doing wrong? SipClient: Sending: 14:39:54.899 -------------------------------- MESSAGE sip:mahfuz@projuktee.com SIP/2.0 Via: SIP/2.0/TCP 10.51.0.161;branch=z9hG4bK5FEAA78B;alias CSeq: 7658 MESSAGE To: <sip:mahfuz@projuktee.com> Content-Type: text/plain;charset=UTF-8 From: "Mohammad Khan" <sip:beeplove@projuktee.com>;tag=5208EA62 Call-ID: 1457236851(a)10.51.0.161 Content-Length: 9 User-Agent: kphone/4.1.0 Contact: "Mohammad Khan" <sip:beeplove@10.51.0.161;transport=tcp> helloooo SipClient: Sending to 'sip.projuktee.com:5060' (TCP) SipClient: Receiving message... SipClient: Received: 14:40:05.024 --------------------------------- SIP/2.0 477 Unfortunately error on sending to next hop occurred (477/TM) Via: SIP/2.0/TCP 10.51.0.161;branch=z9hG4bK5FEAA78B;alias;rport=38973;received=66.105.xxx.yyy CSeq: 7658 MESSAGE To: <sip:mahfuz@projuktee.com>;tag=76b43a3b01465a3cbddc081c4176c4c9-3a18 From: "Mohammad Khan" <sip:beeplove@projuktee.com>;tag=5208EA62 Call-ID: 1457236851(a)10.51.0.161 Server: Sip EXpress router (0.9.0 (i386/linux)) Content-Length: 0 Warning: 392 192.168.71.2:5060 "Noisy feedback tells: pid=9204 req_src_ip=66.105.xxx.yyy req_src_port=38973 in_uri=sip:mahfuz@projuktee.com out_uri=sip:192.168.1.54:10745;transport=tcp via_cnt==1" ser.cfg if (nat_uac_test("3")) { # Allow RR-ed requests, as these may indicate that # a NAT-enabled proxy takes care of it; unless it is # a REGISTER if (method == "REGISTER" || ! search("^Record-Route:")) { xlog("L_DBG", "LOG: Someone trying to register from private IP, rewriting\n"); # This will work only for user agents that support symmetric # communication. We tested quite many ofhem and majority is # smart enough to be symmetric. In some phones it takes a configuration # option. With Cisco 7960, it is called NAT_Enable=Yes, with kphone it is # called "symmetric media" and "symmetric signalling". fix_nated_contact(); # Rewrite contact with source IP of signalling if (method == "INVITE" || method == 'NOTIFY') { fix_nated_sdp("1"); # Add direction=active to SDP }; force_rport(); # Add rport parameter to topmost Via setflag(6); # Mark as NATed }; }; # 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=~"projuktee.com") { if (method=="REGISTER") { if (!www_authorize("projuktee.com", "subscriber")) { www_challenge("projuktee.com", "1"); break; }; save("location"); break; }; if (method=="PUBLISH") { if (!t_newtran()) { xlog("L_DBG", "newtran error\n"); sl_reply_error(); }; handle_publish("registrar"); break; }; lookup("aliases"); if (!uri=~"projuktee.com") { 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 client or server know to be behind a NAT, enable relay if (isflagset(6)) { force_rtp_proxy(); }; ################## # NAT processing of replies; apply to all transactions (for example, # re-INVITEs from public to private UA are hard to identify as # NATed at the moment of request processing); look at replies #t_on_reply("1"); if (isflagset(6) && status =~ "(183)|2[0-9][0-9]") { fix_nated_contact(); force_rtp_proxy(); # otherwise, is it a transaction behind a NAT and we did not # know at time of request processing ? (RFC1918 contacts) } else if (nat_uac_test("1")) { fix_nated_contact(); }; ################ # send it out now; use stateful forwarding as it works reliably # even for UDP2TCP if (!t_relay()) { sl_reply_error(); }; }

19 years, 9 months

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sr-users March 2005