Just put

use_backend W6-Backend

Without an "if" statement as the last use_backend statement in the PUBLIC front 
end. If none of the others are matched this will be used. 

Michael Glenney
Sent from my iPhone

On Jul 1, 2013, at 4:10 PM, Qingshan Xie <[email protected]> wrote:

> Willy, 
>     To explain my last question "3. Can HAProxy set a default frontend 
> service?"  I list a possible configuration below, 
> 
> frontend PUBLIC
>     bind :80
>     acl rec_w7 path_beg /A
>     acl rec_w7 path_beg /B
>     acl rec_w7 path_beg /B
>     ......
>    use_backend W7-Backend if rec_w7
> 
>     #Default
>     #----------------
>     acl rec_w6 path_beg /*
>     use_backend W6-Backend if rec_w6
> 
>     What I want HAProxy does is, if the request does not match any patterns 
> in /A, /B, /C, ......  can the traffic be sent to the default, W6-Backend?  
> Is it doable?
> 
> Thanks, Q.Xie
> From: Willy Tarreau <[email protected]>
> To: Qingshan Xie <[email protected]> 
> Cc: Lukas Tribus <[email protected]>; "[email protected]" 
> <[email protected]>; Nenad Merdanovic <[email protected]> 
> Sent: Monday, July 1, 2013 3:26 PM
> Subject: Re: Can HAProxy Reverse Proxy SSL to Backend?
> 
> Hi,
> 
> On Mon, Jul 01, 2013 at 03:06:36PM -0700, Qingshan Xie wrote:
> > Hello Willy and Lukas, 
> > 
> > 
> >     I have 3 questions regarding HAProxy listed below, Please help.
> > 
> > 1. Can HAProxy handle 1000 ACL lines in one frontend service? what it's 
> > limit?
> 
> There is no limit. ACLs by themselves do not hurt, they just consume
> a little bit of memory. Using them is what you should care about. That
> said, the worst config I have ever seen had 450000 ACLs and as many
> "use_backend" rules. It was not very fast as you can imagine :-)
> 
> > 2. For 1 process of HAProxy, how many concurrent connections it can handle?
> 
> That can be configured in the global section for the process and
> in each frontend section or in the default section for the services
> themselves, please check the doc for this.
> 
> >  Can HAProxy configure Threads?
> 
> no.
> 
> > 3. Can HAProxy set a default frontend service?
> 
> I don't understand what you mean here.
> 
> Regards,
> Willy
> 
> 
> 

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