Any webserver like Apache, IIS and others should work.
CURL libs must be present on your system, and they must have been compiled with SSL support.
PHP >= 5.4 (PHP >= 4.2.2 for 1.1.x)
phpCAS users must have PHP compiled with the following options:
When used within the Horde FrameWork:
When used within Horde IMP:
When storing Horde user preferences to MySQL databases:
If you plan to write a CAS proxy, you will need to secure your Apache server with OpenSSL. HTTPS configuration is needed to use CAS proxies (the callback URL given to the CAS server to transmit the PGTIou must be secured). To achieve this, edit your httpd.conf file and add lines such as:
Furthermore, the CAS server should trust the CAS proxy. If not, no PGTiou (a token that is required by CAs proxies to get PGTs) will be transmitted.