+<VirtualHost *:${PROXYPORT}>
+ ProxyRequests On
+ ProxyVia On
+
+ <Proxy *>
+ AuthType GSSAPI
+ AuthName "Proxy Login"
+ GssapiCredStore ccache:${HTTPROOT}/tmp/httpd_krb5_ccache
+ GssapiCredStore client_keytab:${HTTPROOT}/http.keytab
+ GssapiCredStore keytab:${HTTPROOT}/http.keytab
+ GssapiBasicAuth On
+ Require valid-user
+ </Proxy>
+</VirtualHost>