<h3>Description</h3>
<p>I have received an error that the certificate could not be found</p>
<h4>Log Messages</h4>
<p>Oct 18 13:04:35 Debian9-104 /usr/local/sbin/kamailio[5675]: ERROR: tls [tls_util.h:42]: tls_err_ret(): TLS accept:error:14094416:SSL routines:ssl3_read_bytes:sslv3 alert certificate unknown</p>
<p>Oct 18 13:04:35 Debian9-104 /usr/local/sbin/kamailio[5675]: ERROR:  [core/tcp_read.c:1505]: tcp_read_req(): ERROR: tcp_read_req: error reading - c: 0x7f54c3613588 r: 0x7f54c3613608 (-1)</p>
<h3>Additional Information</h3>
<ul>
<li><strong>Kamailio Version</strong> - output of <code>kamailio -v</code></li>
</ul>
<p>version: kamailio 5.2.5 (x86_64/linux) e10d4f<br>
flags: STATS: Off, USE_TCP, USE_TLS, USE_SCTP, TLS_HOOKS, USE_RAW_SOCKS, DISABLE_NAGLE, USE_MCAST, DNS_IP_HACK, SHM_MEM, SHM_MMAP, PKG_MALLOC, 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_BLACKLIST, HAVE_RESOLV_RES, TLS_PTHREAD_MUTEX_SHARED<br>
ADAPTIVE_WAIT_LOOPS=1024, MAX_RECV_BUFFER_SIZE 262144 MAX_URI_SIZE 1024, BUF_SIZE 65535, DEFAULT PKG_SIZE 8MB<br>
poll method support: poll, epoll_lt, epoll_et, sigio_rt, select.<br>
id: e10d4f<br>
compiled on 11:51:09 Oct 18 2019 with gcc 6.3.0</p>
<ul>
<li><strong>tls.cfg</strong><br>
[server:default]<br>
method = SSLv23<br>
verify_certificate = no<br>
require_certificate = no<br>
private_key = my.key<br>
certificate = my.crt</li>
</ul>
<p>[client:default]<br>
verify_certificate = yes<br>
require_certiificate = yes</p>
<p><strong>Operating System</strong>:</p>
<p>Distributor ID:        Debian<br>
Description:    Debian GNU/Linux 9.9 (stretch)<br>
Release:        9.9<br>
Codename:       stretch</p>
<p>Linux Debian9-104 4.9.0-9-amd64 <a class="issue-link js-issue-link" data-error-text="Failed to load issue title" data-id="31891578" data-permission-text="Issue title is private" data-url="https://github.com/kamailio/kamailio/issues/1" data-hovercard-type="issue" data-hovercard-url="/kamailio/kamailio/issues/1/hovercard" href="https://github.com/kamailio/kamailio/issues/1">#1</a> SMP Debian 4.9.168-1+deb9u5 (2019-08-11) x86_64 GNU/Linux</p>

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