check Availability before sending response

2008-12-03 Thread Ken DBA
Hello, Is there any way to make Bind check the server's availability before send back responses to clients? ie, given the domain name www.site.com was pointed to 1.1.1.1 and 2.2.2.2 in Bind. When a client query for www.site.com, Bind will check the health status for these two servers. If one

how to archieve this?

2008-12-04 Thread Ken DBA
Hello, We are running a commercial site. We want bind to execute some additional actions before the response, listed as below: 1) Client querys for www.site.com's ARR. 2) Bind gets client's IP, and calculate something based on this IP. 3) If IP matchs condition A, return the ARR of www.site.com

Re: how to archieve this?

2008-12-04 Thread Ken DBA
--- On Fri, 12/5/08, Chris Buxton [EMAIL PROTECTED] wrote: An example that you may find useful as a starting point is lbnamed. It's old and probably has some bugs in its protocol handling, but it does something along the lines that you're looking for. Thanks for the info. I have

Re: how to archieve this?

2008-12-04 Thread Ken DBA
--- On Fri, 12/5/08, ivan jr sy [EMAIL PROTECTED] wrote: From: ivan jr sy [EMAIL PROTECTED] Subject: Re: how to archieve this? To: bind-users [EMAIL PROTECTED], [EMAIL PROTECTED] Date: Friday, December 5, 2008, 12:05 PM refer to 'split' DNS using views here's something:

Re: how to archieve this?

2008-12-04 Thread Ken DBA
Or, does Bind developer group provide commercial development for this purpose? We can pay for it. --- On Fri, 12/5/08, Chris Buxton [EMAIL PROTECTED] wrote: From: Chris Buxton [EMAIL PROTECTED] Subject: Re: how to archieve this? To: bind-users bind-users@lists.isc.org Date: Friday,