Replication: problems with synctest

[Jeffrey T Eaton]

> I'm mildly concerned that a future software upgrade might cause these
> libraries to reappear.  Is there a more reliable way to disable SASL
> authentication mechanisms, other than removing files from the library
> directory?

Set sasl_mech_list to the list of mechanism you wish to support.

For example,

sasl_mech_list: kerberos_v4 gssapi plain anonymous

-jeaton