[Samba] Win7 SLOW printing

[Jeremy Allison]

On Tue, Nov 16, 2010 at 01:27:43PM -0500, Ryan Suarez wrote:
> Ok, it looks like this was the cause of the delay.  As soon as I
> disable windows firewall on this client, the errors disappear and
> jobs start printing immediately.  We have bring your own laptops
> (with their own image) here at the college.  I suspect this is the
> same cause of their delays.
> 
> Could someone please shed some light what samba uses this connection for?

This is the insane Windows print spooler design, where the server
connects back to the client to do change notify.

Samba tries to do the same - look at spoolss_connect_to_client()
in rpc_server/srv_spoolss_nt.c - maybe we should have an option
to disable this.

Jeremy.