diff --git a/tester/flexisip.conf b/tester/flexisip.conf
index 3a0431440..3ebbeb7be 100755
--- a/tester/flexisip.conf
+++ b/tester/flexisip.conf
@@ -18,7 +18,7 @@ auto-respawn=true
 # List of white space separated host names pointing to this machine.
 # This is to prevent loops while routing SIP messages.
 #  Default value: localhost
-aliases=localhost sipopen.example.org sip.example.org auth.example.org auth1.example.org auth2.example.org
+aliases=localhost sipopen.example.org sip.example.org auth.example.org auth1.example.org auth2.example.org client.example.org
 
 # List of white space separated SIP uris where the proxy must listen.Wildcard
 # (*) can be used to mean 'all local ip addresses'. If 'transport'
@@ -37,11 +37,11 @@ aliases=localhost sipopen.example.org sip.example.org auth.example.org auth1.exa
 # 	transports=sips:sip.linphone.org:6060;maddr=192.168.0.29
 #  Default value: sip:*
 #transports=sip:192.168.56.101:5060  sips:192.168.56.101:5061
-transports=sip:*:5060  sips:*:5061;tls-certificates-dir=/etc/flexisip/tls/certificates/cn sips:*:5062;tls-certificates-dir=/etc/flexisip/tls/certificates/altname
+transports=sip:*:5060  sips:*:5061;tls-certificates-dir=/etc/flexisip/tls/certificates/cn sips:*:5062;tls-certificates-dir=/etc/flexisip/tls/certificates/altname sips:*:5063;require-peer-certificate=1
 # An absolute path of a directory where TLS server certificate and
 # private key can be found, concatenated inside an 'agent.pem' file.
 #  Default value: /etc/flexisip/tls
-#tls-certificates-dir=/etc/flexisip/tls
+tls-certificates-dir=/etc/flexisip/tls/certificates/cn
 #tls-certificates-dir=/media/sf_workspaces/workspace-macosx/flexisip
 
 ##
@@ -135,6 +135,9 @@ filter= from.uri.domain contains 'sip.example.org' || from.uri.domain contains '
 #  Default value: 
 auth-domains= sip.example.org auth.example.org auth1.example.org auth2.example.org
 
+client-certificates-domains=client.example.org
+
+
 # List of whitespace separated IP which will not be challenged.
 #  Default value: 
 trusted-hosts=