Using GSS-Proxy for Apache httpd operation

The traditional approach for performing Kerberos authentication in Apache 2.* is to use the mod_auth_gssapi (historically, mod_auth_kerb would have been used) module. When using this module, the Apache process must have read access to a keytab (configured with the GssapiCredStore option, or the default /etc/krb5.keytab) containing keys for the HTTP service. This is...