<p></p>
<p><b>@pokgak</b> commented on this pull request.</p>

<hr>

<p>In <a href="https://github.com/RIOT-OS/RIOT/pull/14043#discussion_r424250920">examples/dtls-sock/dtls-client.c</a>:</p>
<pre style='color:#555'>> +    if (sock_dtls_send(&dtls_sock, &session, data, datalen, 0) < 0) {
         puts("Error sending data");
     }
     else {
         printf("Sent DTLS message\n");
 
         uint8_t rcv[512];
-        if (sock_dtls_recv(&dtls_sock, &session, rcv, sizeof(rcv), SOCK_NO_TIMEOUT) < 0) {
+        if (sock_dtls_recv(&dtls_sock, &session, rcv, sizeof(rcv), 0) < 0) {
</pre>
<p>You're right. I'll change this to 3 seconds.</p>

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