Hi there,

A few quick questions just to rule out the simple stuff.

- I don't see it, but I assume you have added "loadmodule "tls.so"" to the cfg? - In the file: /etc/kamailio/modules/tls.cfg - this points to the path where the certs are - is that path accessible by the kamailio process for read access? (0600 with owner kamailio or 644 with owner root etc) - Correctly named path and cert name as well in the above file?

Hope this helps.

John.

On Mon, 16 Jun 2025 at 10:30, Timothy Delin via sr-users < sr-users@lists.kamailio.org> wrote:

Hi everyone,

I am facing an issue where I cannot load the TLS module in my Kamailio server. I keep receiving this error message

*"0(1) ERROR: <core> [core/sr_module.c:529]: ksr_locate_module(): could not find module <tls> in </usr/local/lib64/kamailio/modules>*

• 0(1) CRITICAL: <core> [core/cfg.y:4015]: yyerror_at(): parse error in

config file /etc/kamailio/modules/tls.cfg, line 1, column 12-19: failed to load module"*

The Kamailio that I run has this configuration

version: kamailio 5.8.6 (x86_64/linux) 6c71d5 flags: USE_TCP, USE_TLS, USE_SCTP, TLS_HOOKS, USE_RAW_SOCKS, DISABLE_NAGLE, USE_MCAST, DNS_IP_HACK, SHM_MMAP, PKG_MALLOC, MEM_JOIN_FREE, Q_MALLOC, F_MALLOC, TLSF_MALLOC, DBG_SR_MEMORY, USE_FUTEX, FAST_LOCK-ADAPTIVE_WAIT, USE_DNS_CACHE, USE_DNS_FAILOVER, USE_NAPTR, USE_DST_BLOCKLIST, HAVE_RESOLV_RES, TLS_PTHREAD_MUTEX_SHARED ADAPTIVE_WAIT_LOOPS 1024, MAX_RECV_BUFFER_SIZE 262144, MAX_SEND_BUFFER_SIZE 262144, MAX_URI_SIZE 1024, BUF_SIZE 65535, DEFAULT PKG_SIZE 8MB poll method support: poll, epoll_lt, epoll_et, sigio_rt, select. id: 6c71d5 compiled on 04:12:34 Jun 6 2025 with gcc 12.2.1

---

#global.cfg debug=2 log_stderror=no

memdbg=5 memlog=5

log_facility=LOG_LOCAL0 log_prefix="{$mt $hdr(CSeq) $ci} "

/* number of SIP routing processes */ children=2

/* Defining interfaces */ #!substdef "!PUBLICIP!$env(PUBLICIP)!" #!substdef "!UDPPORT!$env(UDPPORT)!" #!substdef "!PUBLIC_UDP_SOCKET!udp:PUBLICIP:UDPPORT!" /* Need for TLS Support */ #!substdef "!PUBLIC_TLS_SOCKET!TLS:PUBLICIP:5061!"

#!substdef "!COREIP!$env(COREIP)!" #!substdef "!UDPPORT!$env(UDPPORT)!" #!substdef "!CORE_UDP_SOCKET!udp:COREIP:UDPPORT!" #!substdefs "!CORESUBNET!$env(CORESUBNET)!" /* listen addresses */ listen=PUBLIC_UDP_SOCKET listen=CORE_UDP_SOCKET

/* Need for TLS Support */ listen=tls:0.0.0.0:5061

#!substdef "!DBUSERNAME!$env(DBUSERNAME)!" #!substdef "!DBPASSWORD!$env(DBPASSWORD)!" #!substdef "!DBHOST!$env(DBHOST)!" #!substdef "!DBNAME!$env(DBNAME)!"

#!define DBURL "mysql://DBUSERNAME:DBPASSWORD@DBHOST/DBNAME"

#!define HTTP_API_ROUTING_ENDPOINT "http://172.16.254.30:5000/api/routing"

#kamailio.cfg

####### Enable TLS ######## enable_tls=yes

####### Core Modules Section ######## include_file "/etc/kamailio/modules-core.cfg"

####### Global Parameters ######### include_file "/etc/kamailio/globals.cfg"

####### Other Modules Section ######## include_file "/etc/kamailio/modules.cfg"

####### Custom Parameters #########

/* These parameters can be modified runtime via RPC interface

• • see the documentation of 'cfg_rpc' module.
• Format: group.id = value 'desc' description
• Access: $sel(cfg_get.group.id) or @cfg_get.group.id */

####### Routing Logic ######## include_file "/etc/kamailio/routes.cfg"

---

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