PAM-enabled OpenSSH is known to function with privsep on Linux.
It does not function on HP-UX with a trusted system
configuration. PAMAuthenticationViaKbdInt does not function with
configuration.
privsep.
On Compaq Tru64 Unix, only the pre-authentication part of privsep is
supported. Post-authentication privsep is disabled automatically (so
#else
{ "UsePAM", sUnsupported },
#endif
{ "pamauthenticationviakbdint", sDeprecated },
/* Standard Options */
{ "port", sPort },
{ "hostkey", sHostKeyFile },