-<!-- $Id: introduction.xml,v 1.27 2007-11-21 09:04:46 adam Exp $ -->
<chapter id="introduction"><title>Introduction</title>
<para>
</para></listitem>
<listitem><para>
Secure Socket Layer support using
+ <ulink url="&url.gnutls;">GNU TLS</ulink> or
<ulink url="&url.openssl;">OpenSSL</ulink>.
If enabled, &yaz; uses HTTPS transport (for SOAP) or
"Secure BER" (for Z39.50).