After looking through the rest of the secfilter documentation, the examples for all other functions it exports evaluate against $? rather than $avp(secfilter), so it seems very likely the documentation is in error.
As a side observation is $? deprecated? It's not listed at all in the pseudovariable documentation, and has only one mention in the core documentation. https://github.com/kamailio/kamailio-wiki/blob/main/docs/cookbooks/6.0.x/pseudovariables.md https://github.com/kamailio/kamailio-wiki/blob/main/docs/cookbooks/6.0.x/core.md Regards, Kaufman ________________________________ From: Ben Kaufman via sr-users <sr-users@lists.kamailio.org> Sent: Thursday, August 7, 2025 7:51 AM To: Kamailio (SER) - Users Mailing List <sr-users@lists.kamailio.org> Cc: Ben Kaufman <bkauf...@bcmone.com> Subject: [SR-Users] Re: secfilter secf_check_country($gip2(src=>cc)) always replies null CAUTION: This email originated from outside the organization. Do not click links or open attachments unless you recognize the sender and know the content is safe. Not really an answer here, but more of a question: How is this supposed to work? Why would $avp(secfilter) be set at all? I know that this is basically the example from the secfilter documentation: if (geoip2_match("$si", "src")) { secf_check_country($gip2(src=>cc)); if ($avp(secfilter) == -2) { xlog("L_ALERT", "$rm from $si blocked because Country '$gip2(src=>cc)' is blacklisted"); exit; } } Is $avp(secfilter) automatically reserved by the module? If so, it doesn't appear to be documented. I would try checking it against $rc, or better yet, assigning the return of secf_check_country() to a variable: $avp(secf_cc_rc) = secf_check_country($gip2(src=>cc)); if ( $avp(secf_cc_rc) == -2 ) { ## code here } Finally, it looks odd that the argument to secf_check_country() isn't quoted, but maybe that's just my early morning eyes. Regards, Kaufman ________________________________ From: Samuel Moya Tinoco via sr-users <sr-users@lists.kamailio.org> Sent: Thursday, August 7, 2025 3:08 AM To: Kamailio (SER) - Users Mailing List <sr-users@lists.kamailio.org> Cc: Samuel Moya Tinoco <sm...@vivelibre.es> Subject: [SR-Users] secfilter secf_check_country($gip2(src=>cc)) always replies null CAUTION: This email originated from outside the organization. Do not click links or open attachments unless you recognize the sender and know the content is safe. Good morning everyone, Im trying to configure secfilter module to harden our kamailio. After configuring geoip2 module and checking that using function geoip2_match("$si", "src") it shows the country properly. I’ve configured secfilter module, and I think it’s also working because kamailio service starts and with kamcmd secfilter.print I can see the entries from the DDBB. But when I call the function secf_check_country($gip2(src=>cc)) it always replies with <null> (I saw it in this variable $avp(secfilter)). I’ve also tried to use $? Variable and it shows “1”, in the module documentation I saw that 1 means “the value is not found”. But when I use kamcmd secfilter.print I can see the country in the output and it’s spelled exactly the same that in $gip2(src=>cc) I don’t know if there’s something I’m missing. Any help would be appreciated. Thanks in advance This is the code I’m executing if (geoip2_match("$si", "src")) { secf_check_country($gip2(src=>cc)); xlog("L_ALERT", "La respuesta de de secfilter es $avp(secfilter)"); xlog("L_ALERT", "$?"); if ($avp(secfilter) == 2) { return; } xlog("L_ALERT", "$rm from $si blocked because Country '$gip2(src=>cc)' is blacklisted"); exit; } And this is what appears in the logs 2025-08-07T09:42:54.876178+02:00 PRE-KAMAILIO /usr/sbin/kamailio[1393]: exec: {1 1 OPTIONS fabe0744-1fca28e3-83050f4@127.0.0.1} *** cfgtrace:dbg_cfg_trace(): request_route=[GEOIP] c=[/etc/kamailio/kamailio.cfg] l=1061 a=16 n=if 2025-08-07T09:42:54.876219+02:00 PRE-KAMAILIO /usr/sbin/kamailio[1393]: exec: {1 1 OPTIONS fabe0744-1fca28e3-83050f4@127.0.0.1} *** cfgtrace:dbg_cfg_trace(): request_route=[GEOIP] c=[/etc/kamailio/kamailio.cfg] l=1049 a=26 n=geoip2_match 2025-08-07T09:42:54.876252+02:00 PRE-KAMAILIO /usr/sbin/kamailio[1393]: exec: {1 1 OPTIONS fabe0744-1fca28e3-83050f4@127.0.0.1} *** cfgtrace:dbg_cfg_trace(): request_route=[GEOIP] c=[/etc/kamailio/kamailio.cfg] l=1051 a=32 n=secf_check_country 2025-08-07T09:42:54.876291+02:00 PRE-KAMAILIO /usr/sbin/kamailio[1393]: exec: {1 1 OPTIONS fabe0744-1fca28e3-83050f4@127.0.0.1} *** cfgtrace:dbg_cfg_trace(): request_route=[GEOIP] c=[/etc/kamailio/kamailio.cfg] l=1052 a=26 n=xlog 2025-08-07T09:42:54.876473+02:00 PRE-KAMAILIO /usr/sbin/kamailio[1393]: ALERT: {1 1 OPTIONS fabe0744-1fca28e3-83050f4@127.0.0.1} <script>: La respuesta de de secfilter es <null> 2025-08-07T09:42:54.876513+02:00 PRE-KAMAILIO /usr/sbin/kamailio[1393]: exec: {1 1 OPTIONS fabe0744-1fca28e3-83050f4@127.0.0.1} *** cfgtrace:dbg_cfg_trace(): request_route=[GEOIP] c=[/etc/kamailio/kamailio.cfg] l=1053 a=26 n=xlog 2025-08-07T09:42:54.876556+02:00 PRE-KAMAILIO /usr/sbin/kamailio[1393]: ALERT: {1 1 OPTIONS fabe0744-1fca28e3-83050f4@127.0.0.1} <script>: 1 2025-08-07T09:42:54.876587+02:00 PRE-KAMAILIO /usr/sbin/kamailio[1393]: exec: {1 1 OPTIONS fabe0744-1fca28e3-83050f4@127.0.0.1} *** cfgtrace:dbg_cfg_trace(): request_route=[GEOIP] c=[/etc/kamailio/kamailio.cfg] l=1058 a=16 n=if 2025-08-07T09:42:54.876619+02:00 PRE-KAMAILIO /usr/sbin/kamailio[1393]: exec: {1 1 OPTIONS fabe0744-1fca28e3-83050f4@127.0.0.1} *** cfgtrace:dbg_cfg_trace(): request_route=[GEOIP] c=[/etc/kamailio/kamailio.cfg] l=1058 a=26 n=xlog 2025-08-07T09:42:54.876651+02:00 PRE-KAMAILIO /usr/sbin/kamailio[1393]: ALERT: {1 1 OPTIONS fabe0744-1fca28e3-83050f4@127.0.0.1} <script>: OPTIONS from 91.228.91.69 blocked because Country 'ES' is blacklisted 2025-08-07T09:42:54.876682+02:00 PRE-KAMAILIO /usr/sbin/kamailio[1393]: exec: {1 1 OPTIONS fabe0744-1fca28e3-83050f4@127.0.0.1} *** cfgtrace:dbg_cfg_trace(): request_route=[GEOIP] c=[/etc/kamailio/kamailio.cfg] l=1059 a=2 n=exit The output of kamcmd secfilter.print country root@PRE-KAMAILIO:/etc/kamailio# kamcmd secfilter.print country Country ======= [+] Blacklisted ----------- [+] Whitelisted ----------- 0001 -> ES Samuel Moya Tinoco Departamento de Sistemas y Redes Móvil: (+34) 606985997 sm...@vivelibre.es<mailto:sm...@vivelibre.es> ViveLibre C/ La Orotava 4 28660 Boadilla del Monte Madrid www.vivelibre.es<https://urldefense.com/v3/__http://www.vivelibre.es/__;!!KWzduNI!f9kryLOD_oNxwCV3Mqg6p02pmlKK99lfvGemeWBRqt3Ng4VSVEnAYsQgmwgkJOrHqSmjJJcPNnhJQNVGb3MnoY0$> [cid:image001.png@01DC0780.5D6264D0] Soluciones inteligentes para la autonomía personal "Tanto este mensaje como todos los posibles documentos adjuntos al mismo son confidenciales y están dirigidos exclusivamente a los destinatarios de los mismos. 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