I reply down on your message. I hope this help you
2012/1/27 Johnny Handsome <[email protected]>
> Hello,
>
> 1. is it possibly to specify the number of Clients that able to connect to
> a zen box or even to the servers themselves.
> For instance my farm will have a max of 5 web servers, I know the max load
> on each server will be 500 connections simultaneously, can we tell ZEN to
> stop at 500 connections for each device in the farm. i am just wondering if
> we can "gracefully" crash or redirect with "too many connections" type
> messaging or is there a way to do this with Apache itself
>
*Max number of simultaneous connections that manage in Virtual IP*: This
value should be interesting for you, if there is more concurrent
connections that marked on this section the lb deny its. This is a global
value but if you need indicate max connection by backend you can show the
Max connections column on "Edit real IP servers configuration " table, this
parameters only for TCP Farms, not http or https.
>
> 2. Also, the app we are developing may have to return statistics to the
> client (using awstats). I'm nor sure if this was talked about or possible,
> but being that zen is the "client" to the web servers, it is showing up as
> the referrer and not the true client ip, is there a flag for this info to
> pass thru and have the identity of the client connection show up?
>
Sorry, today this is not possible on method that use zen, if you are
working with http protocol you can use X-forwarded-for header, this header
is used on this cases. On zen this header can be added on TCP profiles
with a checkbox and added always by default on http profiles.
>
> 3. If the site is using SSL for sensitive transactions, what is the
> recommended method to have the client "stick" to the same session/web
> server. (ex: if the client connections to node.1, he/she needs to stay
> connect to that node.1 server until his session is completed)
>
On this case you should use persistence session, a https profile with
persistence sesion by cookie or header is a good selection, but the web
developer have to include the creation of a header or a cookie for allow
this property.
You can read more about persistence session on our zen documentation
Regards!
> Thanks,
> Johnny
>
>
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