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<p class="MsoNormal"><span lang="FR" style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">Hi Frank and all,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="FR" style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">After digging deeper with the Skype for Business team, we found that there was a misconfiguration on their side. The SfB server was using a self-signed certificate
for the client connections, while I was able to verify their server certificate.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">This was automatically decided by the Skype server because the certificate template was missing an obscure field…..just Microsoft things I guess….¯\_(</span><span style="font-size:11.0pt;font-family:"MS Gothic";color:#1F497D">ツ</span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">)_/¯<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">Thanks for the help anyway!<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">Cheers, Francisco.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">From:</span></b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"> sr-users [mailto:sr-users-bounces@lists.kamailio.org]
<b>On Behalf Of </b>Frank Carmickle<br>
<b>Sent:</b> Monday, October 30, 2017 18:51<br>
<b>To:</b> Kamailio (SER) - Users Mailing List <sr-users@lists.kamailio.org><br>
<b>Subject:</b> Re: [SR-Users] Mutual TLS with Skype for Business 2015<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Francisco,<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Please share your s_client command and output that is connecting appropriately.<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">--FC<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
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<p class="MsoNormal">On Oct 30, 2017, at 1:43 PM, Daniel-Constantin Mierla <<a href="mailto:miconda@gmail.com">miconda@gmail.com</a>> wrote:<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;background:white;font-variant-caps: normal;orphans: auto;text-align:start;widows: auto;-webkit-text-stroke-width: 0px;word-spacing:0px">
Hello,<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal" style="background:white"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif">On 27.10.17 17:12, Francisco Valentin Vinagrero wrote:<o:p></o:p></span></p>
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<p class="MsoNormal" style="background:white"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">Hi all,</span><o:p></o:p></p>
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<p class="MsoNormal" style="background:white"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"> </span><o:p></o:p></p>
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<p class="MsoNormal" style="background:white"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">I’m still stuck with this even if I built a new VM to avoid any buggy configuration.</span><o:p></o:p></p>
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<p class="MsoNormal" style="background:white"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"> </span><o:p></o:p></p>
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<p class="MsoNormal" style="background:white"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">Some thoughts on this:</span><o:p></o:p></p>
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<p class="MsoNormal" style="background:white"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"> </span><o:p></o:p></p>
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<p class="MsoNormal" style="text-indent:-.25in;background:white"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">1.</span><span style="font-size:7.0pt;color:#1F497D"> <span class="apple-converted-space"> </span></span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">I
have tried to change verify_certificate = no on my server section of tls.cfg, so ideally the remote certificate will not be verified, but this is not changing anything.</span><o:p></o:p></p>
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</blockquote>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif;background:white">to understand properly, even if you have verify_certificate = no, the certificated is verified and fails?</span><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif"><br>
<br>
<span style="background:white">Otherwise I don't have access to Skype for Business 2015, so I cannot troubleshoot much.</span><br>
<br>
<span style="background:white">Cheers,</span><br>
<span style="background:white">Daniel</span><br>
<br style="font-variant-caps: normal;orphans: auto;text-align:start;widows: auto;-webkit-text-stroke-width: 0px;word-spacing:0px">
<br>
</span><o:p></o:p></p>
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<div style="margin-left:.5in">
<p class="MsoNormal" style="background:white"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"> </span><o:p></o:p></p>
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<div style="margin-left:.5in">
<p class="MsoNormal" style="text-indent:-.25in;background:white"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">2.</span><span style="font-size:7.0pt;color:#1F497D"> <span class="apple-converted-space"> </span></span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">My
Kamailio cluster is part of a DNS alias, but the alias is defined as alias=<myalias>:5061 in the Kamailio.cfg. Could this be affecting somehow the verification? My tls.cfg only has server:default and client:default section.</span><o:p></o:p></p>
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<div style="margin-left:.5in">
<p class="MsoNormal" style="background:white"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"> </span><o:p></o:p></p>
</div>
<div style="margin-left:.5in">
<p class="MsoNormal" style="text-indent:-.25in;background:white"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">3.</span><span style="font-size:7.0pt;color:#1F497D"> <span class="apple-converted-space"> </span></span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">Every
time I reload the configuration, the TLS info and debug messages for client and server are coherent with what I would expect from my tls.cfg:</span><o:p></o:p></p>
</div>
<div style="margin-left:.5in">
<p class="MsoNormal" style="background:white"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"> </span><o:p></o:p></p>
</div>
<div style="margin-left:.5in">
<p class="MsoNormal" style="background:white"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">INFO: tls [tls_domain.c:278]: fill_missing(): TLSs<default>: tls_method=20 </span><o:p></o:p></p>
</div>
<div style="margin-left:.5in">
<p class="MsoNormal" style="background:white"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">INFO: tls [tls_domain.c:290]: fill_missing(): TLSs<default>: certificate='/usr/local/etc/kamailio/tls/myCert.pem' </span><o:p></o:p></p>
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<div style="margin-left:.5in">
<p class="MsoNormal" style="background:white"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">INFO: tls [tls_domain.c:297]: fill_missing(): TLSs<default>: ca_list='/usr/local/etc/kamailio/tls/myCAfile.pem' </span><o:p></o:p></p>
</div>
<div style="margin-left:.5in">
<p class="MsoNormal" style="background:white"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">INFO: tls [tls_domain.c:304]: fill_missing(): TLSs<default>: crl='(null)'
</span><o:p></o:p></p>
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<div style="margin-left:.5in">
<p class="MsoNormal" style="background:white"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">INFO: tls [tls_domain.c:308]: fill_missing(): TLSs<default>: require_certificate=1 </span><o:p></o:p></p>
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<div style="margin-left:.5in">
<p class="MsoNormal" style="background:white"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">INFO: tls [tls_domain.c:315]: fill_missing(): TLSs<default>: cipher_list='(null)' </span><o:p></o:p></p>
</div>
<div style="margin-left:.5in">
<p class="MsoNormal" style="background:white"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">INFO: tls [tls_domain.c:322]: fill_missing(): TLSs<default>: private_key='/usr/local/etc/kamailio/tls/myKey.pem' </span><o:p></o:p></p>
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<div style="margin-left:.5in">
<p class="MsoNormal" style="background:white"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">INFO: tls [tls_domain.c:326]: fill_missing(): TLSs<default>: verify_certificate=1 </span><o:p></o:p></p>
</div>
<div style="margin-left:.5in">
<p class="MsoNormal" style="background:white"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">INFO: tls [tls_domain.c:329]: fill_missing(): TLSs<default>: verify_depth=9 </span><o:p></o:p></p>
</div>
<div style="margin-left:.5in">
<p class="MsoNormal" style="background:white"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">DEBUG: tls [tls_domain.c:968]: fix_domain(): using tls methods range: 20 </span><o:p></o:p></p>
</div>
<div style="margin-left:.5in">
<p class="MsoNormal" style="background:white"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">DEBUG: tls [tls_domain.c:566]: load_crl(): TLSs<default>: No CRL configured </span><o:p></o:p></p>
</div>
<div style="margin-left:.5in">
<p class="MsoNormal" style="background:white"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">INFO: tls [tls_domain.c:658]: set_verification(): TLSs<default>: Client MUST present valid certificate </span><o:p></o:p></p>
</div>
<div style="margin-left:.5in">
<p class="MsoNormal" style="background:white"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">INFO: tls [tls_domain.c:278]: fill_missing(): TLSc<default>: tls_method=20 </span><o:p></o:p></p>
</div>
<div style="margin-left:.5in">
<p class="MsoNormal" style="background:white"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">INFO: tls [tls_domain.c:290]: fill_missing(): TLSc<default>: certificate='/usr/local/etc/kamailio/tls/myCert.pem' </span><o:p></o:p></p>
</div>
<div style="margin-left:.5in">
<p class="MsoNormal" style="background:white"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">INFO: tls [tls_domain.c:297]: fill_missing(): TLSc<default>: ca_list='/usr/local/etc/kamailio/tls/myCAfile.pem' </span><o:p></o:p></p>
</div>
<div style="margin-left:.5in">
<p class="MsoNormal" style="background:white"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">INFO: tls [tls_domain.c:304]: fill_missing(): TLSc<default>: crl='(null)' </span><o:p></o:p></p>
</div>
<div style="margin-left:.5in">
<p class="MsoNormal" style="background:white"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">INFO: tls [tls_domain.c:308]: fill_missing(): TLSc<default>: require_certificate=1
</span><o:p></o:p></p>
</div>
<div style="margin-left:.5in">
<p class="MsoNormal" style="background:white"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">INFO: tls [tls_domain.c:315]: fill_missing(): TLSc<default>: cipher_list='(null)' </span><o:p></o:p></p>
</div>
<div style="margin-left:.5in">
<p class="MsoNormal" style="background:white"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">INFO: tls [tls_domain.c:322]: fill_missing(): TLSc<default>: private_key='/usr/local/etc/kamailio/tls/myKey.pem' </span><o:p></o:p></p>
</div>
<div style="margin-left:.5in">
<p class="MsoNormal" style="background:white"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">INFO: tls [tls_domain.c:326]: fill_missing(): TLSc<default>: verify_certificate=1 </span><o:p></o:p></p>
</div>
<div style="margin-left:.5in">
<p class="MsoNormal" style="background:white"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">INFO: tls [tls_domain.c:329]: fill_missing(): TLSc<default>: verify_depth=9 </span><o:p></o:p></p>
</div>
<div style="margin-left:.5in">
<p class="MsoNormal" style="background:white"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">DEBUG: tls [tls_domain.c:968]: fix_domain(): using tls methods range: 20 </span><o:p></o:p></p>
</div>
<div style="margin-left:.5in">
<p class="MsoNormal" style="background:white"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">DEBUG: tls [tls_domain.c:566]: load_crl(): TLSc<default>: No CRL configured </span><o:p></o:p></p>
</div>
<div style="margin-left:.5in">
<p class="MsoNormal" style="background:white"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">INFO: tls [tls_domain.c:658]: set_verification(): TLSc<default>: Server MUST present valid certificate </span><o:p></o:p></p>
</div>
<div style="margin-left:.5in">
<p class="MsoNormal" style="background:white"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">DEBUG: tls [tls_domain.c:1119]: load_private_key(): TLSs<default>: Key '/usr/local/etc/kamailio/tls/myKey.pem' successfuly loaded </span><o:p></o:p></p>
</div>
<div style="margin-left:.5in">
<p class="MsoNormal" style="background:white"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">DEBUG: tls [tls_domain.c:1119]: load_private_key(): TLSc<default>: Key '/usr/local/etc/kamailio/tls/myKey.pem' successfuly loaded </span><o:p></o:p></p>
</div>
<div style="margin-left:.5in">
<p class="MsoNormal" style="background:white"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">DEBUG: tls [tls_rpc.c:82]: tls_reload(): TLS configuration successfuly loaded </span><o:p></o:p></p>
</div>
<div style="margin-left:.5in">
<p class="MsoNormal" style="background:white"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"> </span><o:p></o:p></p>
</div>
<div style="margin-left:.5in">
<p class="MsoNormal" style="text-indent:-.25in;background:white"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">4.</span><span style="font-size:7.0pt;color:#1F497D"> <span class="apple-converted-space"> </span></span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">When
the first handshake begins after reloading, it goes to the TLSs default domain:</span><o:p></o:p></p>
</div>
<div style="margin-left:.5in">
<p class="MsoNormal" style="background:white"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"> </span><o:p></o:p></p>
</div>
<div style="margin-left:.5in">
<p class="MsoNormal" style="background:white"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">DEBUG: <core> [ip_addr.c:229]: print_ip(): tcpconn_new: new tcp connection: 188.185.115.181 </span><o:p></o:p></p>
</div>
<div style="margin-left:.5in">
<p class="MsoNormal" style="background:white"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">DEBUG: <core> [tcp_main.c:985]: tcpconn_new(): on port 56404, type 3 </span><o:p></o:p></p>
</div>
<div style="margin-left:.5in">
<p class="MsoNormal" style="background:white"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">DEBUG: <core> [tcp_main.c:1295]: tcpconn_add(): hashes: 2351:1920:1122, 168 </span><o:p></o:p></p>
</div>
<div style="margin-left:.5in">
<p class="MsoNormal" style="background:white"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">DEBUG: <core> [io_wait.h:376]: io_watch_add(): DBG: io_watch_add(0xa25be0, 30, 2, 0x7ff243558420), fd_no=21 </span><o:p></o:p></p>
</div>
<div style="margin-left:.5in">
<p class="MsoNormal" style="background:white"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">DEBUG: <core> [io_wait.h:598]: io_watch_del(): DBG: io_watch_del (0xa25be0, 30, -1, 0x0) fd_no=22 called </span><o:p></o:p></p>
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<p class="MsoNormal" style="background:white"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">DEBUG: <core> [tcp_main.c:4131]: handle_tcpconn_ev(): sending to child, events 1 </span><o:p></o:p></p>
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<div style="margin-left:.5in">
<p class="MsoNormal" style="background:white"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">DEBUG: <core> [tcp_main.c:3813]: send2child(): selected tcp worker 2 13(13472) for activity on [tls:<myLocalIP>:5061], 0x7ff243558420 </span><o:p></o:p></p>
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<div style="margin-left:.5in">
<p class="MsoNormal" style="background:white"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">DEBUG: <core> [tcp_read.c:1566]: handle_io(): received n=8 con=0x7ff243558420, fd=8 </span><o:p></o:p></p>
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<p class="MsoNormal" style="background:white"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">DEBUG: tls [tls_server.c:197]: tls_complete_init(): completing tls connection initialization </span><o:p></o:p></p>
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<div style="margin-left:.5in">
<p class="MsoNormal" style="background:white"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">DEBUG: tls [tls_server.c:226]: tls_complete_init(): Using initial TLS domain TLSs<default> (dom 0x7ff242d79b40 ctx 0x7ff2430cc448 sn
[]) </span><o:p></o:p></p>
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<p class="MsoNormal" style="background:white"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"> </span><o:p></o:p></p>
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<p class="MsoNormal" style="text-indent:-.25in;background:white"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">5.</span><span style="font-size:7.0pt;color:#1F497D"> <span class="apple-converted-space"> </span></span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">I
wonder if anyone has configured this with Skype for Business 2015 lately? Any clue?</span><o:p></o:p></p>
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<p class="MsoNormal" style="background:white"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"> </span><o:p></o:p></p>
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<p class="MsoNormal" style="background:white"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"> </span><o:p></o:p></p>
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<div>
<p class="MsoNormal" style="background:white"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">Cheers, Francisco.</span><o:p></o:p></p>
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</blockquote>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif"><br style="font-variant-caps: normal;orphans: auto;text-align:start;widows: auto;-webkit-text-stroke-width: 0px;word-spacing:0px">
<br>
</span><o:p></o:p></p>
<pre style="background:white">-- <o:p></o:p></pre>
<pre style="background:white">Daniel-Constantin Mierla<o:p></o:p></pre>
<pre style="background:white"><a href="http://www.twitter.com/miconda"><span style="color:purple">www.twitter.com/miconda</span></a> -- <a href="http://www.linkedin.com/in/miconda"><span style="color:purple">www.linkedin.com/in/miconda</span></a><o:p></o:p></pre>
<pre style="background:white">Kamailio Advanced Training, Nov 13-15, 2017, in Berlin - <a href="http://www.asipto.com/"><span style="color:purple">www.asipto.com</span></a><o:p></o:p></pre>
<pre style="background:white">Kamailio World Conference - <a href="http://www.kamailioworld.com/"><span style="color:purple">www.kamailioworld.com</span></a><o:p></o:p></pre>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif;background:white">_______________________________________________</span><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif"><br>
<span style="background:white">Kamailio (SER) - Users Mailing List</span><br>
</span><a href="mailto:sr-users@lists.kamailio.org"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif;color:purple;background:white">sr-users@lists.kamailio.org</span></a><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif"><br>
</span><a href="https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif;color:purple;background:white">https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users</span></a><o:p></o:p></p>
</div>
</blockquote>
</div>
<p class="MsoNormal"><o:p> </o:p></p>
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