sr-users March 2016

sr-users@lists.kamailio.org

88 participants
128 discussions

PostgreSQL - How To
by Barış Şekerciler 17 Mar '16

17 Mar '16

Hello everyone,I have Kamailio server which runs at 192.168.2.170 address and have PostgreSQL server which runs at 192.168.2.174.So I tried to arrange Kamailio for working with PostgreSQL but I think I give something miss. I couldnt handle it.Do you have any tutorial for this? Or can you tell me how can I exactly do this?Regards.

2 1

xhttp_rpc commands ?
by Uri Shacked 17 Mar '16

17 Mar '16

Hi, Can any one help me with an example for RPC command sent over http? My configuration works OK, I get the http request fine. I lack the knowledge of how to send commands..... For example, how do I send a command to list dialogs (dlg.list)? Or to profile_get_size ? Http://myserver:myport/http_rpc/dlg/????????? Thanks, Uri

4 10

htable - banning users
by meres gr 17 Mar '16

17 Mar '16

I am using the following script to ban users failing to authenticate with fail2ban: My problem is that it logs attempts of users only existing to the database I would like to modify it in order to log all FAILED authentication attempts Is this possible? # Authentication route route[AUTH] { #!ifdef WITH_AUTH if(is_present_hf("Authorization")) { if($sht(a=>$au::auth_count)==3) { $var(exp) = $Ts - 900; if($sht(a=>$au::last_auth) > $var(exp)) { sl_send_reply("403", "Try later"); exit; } else { $sht(a=>$au::auth_count) = 0; } } if(!www_authenticate("$td", "subscriber")) { switch ($retcode) { case -1: sl_send_reply("403", "Forbidden"); exit; case -2: #fixed null -> $null: if($sht(a=>$au::auth_count) == $null) $sht(a=>$au::auth_count) = 0; $sht(a=>$au::auth_count) = $sht(a=>$au::auth_count) + 1; xlog("User $fu Authenticating from ip $si\n"); if($sht(a=>$au::auth_count) == 3) xlog("User $fU Authenticating for the 3d time from ip $si\n"); $sht(a=>$au::last_auth) = $Ts; break; } www_challenge("$td"/*realm*/,"0"/*qop*/); exit; } $sht(a=>$au::auth_count) = 0; } else { www_challenge("$td","0"); exit; } } #!endif

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SIP reg request not print in kamailio.log
by Shiv Patidar 15 Mar '16

15 Mar '16

i send sip reg request to kamailio then i dump tcp thent i got sip request like(INVITE ,TO,FROM ,via header file) but in kamailio.log file i am not got sip request what i need to do please help me my kamailio.log print this log in my terminal /usr/local/sbin/kamailio[25086]:INFO:<core>[main.c:798]:sig_usr():Signal 15 received /usr/local/sbin/kamailio[15085]:INFO:<core>[main.c:798]:sig_usr():Signal 15 received /usr/local/sbin/kamailio[15079]:INFO:<core>[sctp_core.c:53]:sctp_core_destroy():SCTP API not initialized /usr/local/sbin/kamailio[15079]:INFO:<core>[sctp_core.c:75]:sctp_core_check_support():SCTP API not enabled-if you want to use it load sctp module /usr/local/sbin/kamailio[23190]:INFO:rr[../outbound/api.h:54]:ob_load_api():failed to import bind_ob /usr/local/sbin/kamailio[23190]:INFO:rr[rr-mod.c:174]:mod_init():outbound module not available /usr/local/sbin/kamailio[23190]:INFO:usrloc[hslot.c:51]:ul_init_locks():locks aaray size 1024 /usr/local/sbin/kamailio[23190]:INFO:<core>[udp_server.c:150]:probe_max_receive_buffer():SO_RCVBUF is initially 163840 /usr/local/sbin/kamailio[23190]:INFO:<core>[udp_server.c:150]:probe_max_receive_buffer():SO_RCVBUF is finally 327680 /usr/local/sbin/kamailio[23198]:INFO:ctl[io_listener.c:210]:io_listen_loop():io_listen_loop:using epoll_lt as the io watch method (auto detected) i want to print INVITE TO FROM Via header file in my kamailio.log

2 5

Kamailio and UCARP with Multiple VIPs defined
by Jonathan Hunter 15 Mar '16

15 Mar '16

Hi Guys, Using Centos 6.7, kamailio 4.2 and Ucarp I am testing multiple VIPs on the same server and having some issues. I have ucarp running, with 1 Public and 1 Private VIP defined, and both are pingable and failover in a cluster. The Public is for Subscribers to Register with, and the Private for Communication to the Asterisk media servers behind it. My problem is kamailio when started states its listening on both the VIPS, however when I try and force_socket over the Private IP address, it states ERROR: <core> [forward.c:218]: get_out_socket(): no socket foundMar 1 20:04:35 bt1proxy1 /usr/sbin/kamailio[20372]: ERROR: <core> [forward.c:220]: get_out_socket(): no corresponding socket found for(udp:10.70.0.72:5080)Mar 1 20:04:35 bt1proxy1 /usr/sbin/kamailio[20372]: ERROR: tm [t_fwd.c:520]: prepare_new_uac(): ERROR: can't fwd to af 2, proto 1 (no corresponding listening socket) This is when listening on the VIP which is 10.70.0.75 and I also look to force_socket out of this IP. It just doesnt work, however if I use the physical interface on the server, that being 10.70.0.70, it works fine and forwards requests on the Private LAN. I have added net.ipv4.ip_nonlocal_bind = 1 to sysctl.conf as well but no joy. If 1 VIP is defined I have no issue, its just with 2, has anyone had this issue before ? Any help would be great. Many thanks Jon

2 9

RTPPROXY error message
by Kevin Greene 15 Mar '16

15 Mar '16

Hi: I am sure this has been answered before on this list and I have tried the basic answers I got from Google without any luck. Any suggests would be great. The Kamailio host is running Oracle Linux 6.7 (64 bit) and is fully patched as of today. The Kamailio version is: Server:: kamailio (4.3.4 (x86_64/linux)) Build:: mi_core.c compiled on 14:25:16 Nov 25 2015 with gcc 4.4.7 I have two major issues: I am seeing this on my Kamailio log: Mar 14 21:55:33 sipserver /usr/sbin/kamailio[24005]: ERROR: rtpproxy [rtpproxy.c:1681]: send_rtpp_command(): can't send command to a RTP proxy Mar 14 21:55:33 sipserver /usr/sbin/kamailio[24005]: ERROR: rtpproxy [rtpproxy.c:1716]: send_rtpp_command(): proxy <udp:127.0.0.1:7722> does not respond, disable it Mar 14 21:55:33 sipserver /usr/sbin/kamailio[24005]: WARNING: rtpproxy [rtpproxy.c:1573]: rtpp_test(): can't get version of the RTP proxy Mar 14 21:55:33 sipserver /usr/sbin/kamailio[24005]: WARNING: rtpproxy [rtpproxy.c:1610]: rtpp_test(): support for RTP proxy <udp:127.0.0.1:7722> has been disabled temporarily So the initial thought is that the proxy is not running, however I can see the proxy is alive: [root@sipserver boot]# ps -All | grep rtpproxy 5 S 498 2843 1 1 80 0 - 32524 hrtime ? 01:29:06 rtpproxy When I do "netstat -a", I can see 24 established connections. This is a small sample: udp 0 0 localhost:47937 localhost:rtpproxy ESTABLISHED udp 0 0 localhost:38746 localhost:rtpproxy ESTABLISHED udp 0 0 localhost:33660 localhost:rtpproxy ESTABLISHED So I am not sure what is going on. The second problem: I see this in the Kamailio log: Mar 14 22:05:33 sipserver /usr/sbin/kamailio[24000]: ERROR: db_mysql [km_dbase.c:124]: db_mysql_submit_query(): driver error on query: PROCEDURE kamailio.kamailio_rating does not exist (1305) Mar 14 22:05:33 sipserver /usr/sbin/kamailio[24000]: ERROR: <core> [db_query.c:181]: db_do_raw_query(): error while submitting query Mar 14 22:05:33 sipserver /usr/sbin/kamailio[24000]: ERROR: sqlops [sql_api.c:265]: sql_do_query(): cannot do the query [call kamailio_rating('default')] When I tried to create the database originally, the script that was part of the package would not work. I therefore manually created the database so I am thinking that something got left out. I have been over the schema and I am not sure what is missing. The database is MySQL (5.5) running in a separate host. Does anyone have an idea where to look what is missing? I was told that there is some sort of script that can "repair" the Kamailio schema in the database but I have not been able to find this magical script. Thanks. Kevin

2 1

kamailio with external database to replace from uri
by Thibault Gueslin 14 Mar '16

14 Mar '16

I am using kamailio without database. It works fine. For some scenario, I would like to replace the from uri (using mac_replace_from works fine) but using data I can accessed with a REST API. I want to have different origination depending on the sipusername. I need to have some synchronous request. Have someone already these type of behaviour ? Regards Thibault

2 1

Get a random available port to bind to for media sdp
by jaflong jaflong 14 Mar '16

14 Mar '16

Hi everyone How can I generate a random port number, one that is currently available to bind to. I want to assign this to the media parameter in the sdp thanks

2 1

Re: [SR-Users] Registration Failure - IMS
by Franz Edler 11 Mar '16

11 Mar '16

Hi Cristina, > But I have another problem related to registration process. After REGISTER- > 401 Unauthorized-REGISTER-200 OK, the IMS client sends the SUBSCRIBE > message (for the "reg" event package subscription) to the S-CSCF, the latter > replies with NOTIFY and the client correctly responds with 200 OK. In order to > be notified on any change of registration state for the client, also the P-CSCF > sends the SUBSCRIBE message to the S-CSCF, the S-CSCF sends a NOTIFY to > the proxy but, instead of replying with 200 OK, the P-CSCF replies with 404- > Not Here (like it doesn't recognize that the recipient of the NOTIFY in the > Req-URI is the P-CSCF itself). > > Have you ever seen similar issue? I have now spent some time to reproduce the issue. First of all: I had to adapt module reg_mod.c in ims_registrar_pcscf, because it containes a hardcoded P-CSCF address: str pcscf_uri = str_init("sip:pcscf.ims.smilecoms.com:4060"); which is only valid for smilecoms. Did you also change that? Then I got exactly the same problem. I found that the P-CSCF config causes in the part "# Check for Subsequent requests:" a reject " sl_send_reply("404","Not here");" I have doubts that this is correctly designed and have to dig deeper into the logic of the config-file. Fact is: the NOTIFY request does not contain a Route header and as it not an ACK it goes straight to the reject. Maybe any IMS expert can shed some light on this code as shown below: # Check for Subsequent requests: if (has_totag()) { # sequential request withing a dialog should # take the path determined by record-routing if (loose_route()) { if ($route_uri =~ "sip:mo@.*") { setflag(FLT_MO); } if(!isdsturiset()) { handle_ruri_alias(); } # RTP-Relay, if necessary route(RTPPROXY); t_relay(); } else { if ( is_method("ACK") ) { if ( t_check_trans() ) { # no loose-route, but stateful ACK; # must be an ACK after a 487 # or e.g. 404 from upstream server t_relay(); exit; } else { # ACK without matching transaction ... ignore and discard exit; } } sl_send_reply("404","Not here"); } exit; BR Franz

3 3

UDP send: Operation not permitted
by Sebastian Damm 11 Mar '16

11 Mar '16

Hi, we have a load balancer which is handling a lot of SIP traffic all day. There's always 20-40 Mbit SIP traffic going through. From time to time we see in our logs messages like these: Sep 16 09:46:28 ecker /usr/sbin/kamailio[25505]: ERROR: <core> [udp_server.c:591]: udp_send(): ERROR: udp_send: sendto(sock,0x7f2d9d6b3ce0,1321,0,46.237.225.126:5060,16): Operation not permitted(1) Sep 16 09:46:38 ecker /usr/sbin/kamailio[25194]: ERROR: <core> [udp_server.c:591]: udp_send(): ERROR: udp_send: sendto(sock,0x7efc982b8fc8,420,0,82.113.121.183:35794,16): Operation not permitted(1) Sep 16 09:46:40 ecker /usr/sbin/kamailio[25505]: ERROR: <core> [udp_server.c:591]: udp_send(): ERROR: udp_send: sendto(sock,0x7f2d9d6b3ce0,1338,0,5.158.137.9:55067,16): Operation not permitted(1) Sep 16 09:46:44 ecker /usr/sbin/kamailio[25183]: ERROR: <core> [udp_server.c:591]: udp_send(): ERROR: udp_send: sendto(sock,0x7efc982d9f48,450,0,178.165.131.197:37515,16): Operation not permitted(1) Sep 16 09:46:49 ecker /usr/sbin/kamailio[25643]: ERROR: <core> [udp_server.c:591]: udp_send(): ERROR: udp_send: sendto(sock,0x7f93fb624530,496,0,172.56.7.69:25643,16): Operation not permitted(1) Sep 16 09:46:55 ecker /usr/sbin/kamailio[25335]: ERROR: <core> [udp_server.c:591]: udp_send(): ERROR: udp_send: sendto(sock,0x7f41632cda98,598,0,80.215.234.139:3396,16): Operation not permitted(1) Sep 16 09:46:56 ecker /usr/sbin/kamailio[25345]: ERROR: <core> [udp_server.c:591]: udp_send(): ERROR: udp_send: sendto(sock,0x7f41632f4840,459,0,94.197.120.191:8225,16): Operation not permitted(1) I know that these messages can be produced by iptables blocking the outbound traffic. But our outbound chain looks basically like this: root@ecker:~# iptables-save | grep OUTPUT :OUTPUT DROP [0:0] -A OUTPUT -m state --state RELATED,ESTABLISHED -j ACCEPT -j ACCEPT -A OUTPUT -m state --state INVALID -j DROP -A OUTPUT -o lo -m state --state NEW -j ACCEPT -A OUTPUT -o lo -j ACCEPT -A OUTPUT -m state --state NEW -j ACCEPT We don't have the nf_ct_sip module loaded, syslog doesn't say anything, and even clearing all iptables rules doesn't eliminate those errors. Has anyone ever seen this? It looks like a load thing, because at weekends there are significantly less errors. Thanks, Sebastian

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sr-users March 2016