Hello, not sure if this is really the issue – but your Debian version 8 is really old. Give it a try on a more recent Debian, e.g. version 10 or 11, this is probably what most people are using. Cheers, Henning -- Henning Westerholt – https://skalatan.de/blog/ Kamailio services – https://gilawa.com<https://gilawa.com/> From: sr-users &lt;sr-users-bounces(a)lists.kamailio.org&gt; On Behalf Of Abdoul Osséni Sent: Wednesday, June 29, 2022 7:44 PM To: Kamailio (SER) - Users Mailing List &lt;sr-users(a)lists.kamailio.org&gt; Subject: [SR-Users] Makefile.rules:191: recipe for target 'tlsa.so' failed Hello, Cannot compile tlsa module. I get the following error message: LD (gcc) [M tlsa.so] tlsa.so /usr/bin/ld: /usr/lib/gcc/x86_64-linux-gnu/4.9/../../../x86_64-linux-gnu/libssl.a(ssl_lib.o): relocation R_X86_64_32 against `.rodata.str1.1' can not be used when making a shared object; recompile with -fPIC /usr/lib/gcc/x86_64-linux-gnu/4.9/../../../x86_64-linux-gnu/libssl.a: error adding symbols: Bad value collect2: error: ld returned 1 exit status ../../Makefile.rules:191: recipe for target 'tlsa.so' failed make[2]: *** [tlsa.so] Error 1 Makefile:511: recipe for target 'modules' failed make[1]: *** [modules] Error 1 make[1]: Leaving directory '/usr/local/src/kamailio-5.6/kamailio/src' Makefile:34: recipe for target 'all' failed make: *** [all] Error 2 Please find below some information about my environment system: root@sbc:/usr/local/src/kamailio-5.6/kamailio#<mailto:root@sbc:/usr/local/src/kamailio-5.6/kamailio#> cat /etc/debian_version 8.6 root@sbc:/usr/local/src/kamailio-5.6/kamailio#<mailto:root@sbc:/usr/local/src/kamailio-5.6/kamailio#> openssl version OpenSSL 3.0.4 21 Jun 2022 (Library: OpenSSL 3.0.4 21 Jun 2022) Regards Abdoul