Fix discovery auth

We really need a test suite to catch stupid stuff like this.

Signed-off-by: Andy Grover <agrover@redhat.com>
Use 'with ignored'

Woo, saved one line.

Signed-off-by: Andy Grover <agrover@redhat.com>
iSER support

Signed-off-by: Andy Grover <agrover@redhat.com>