For more information regarding the security incident at F5, the actions we are taking to address it, and our ongoing efforts to protect our customers, click here.

Forum Discussion

Gregt_33960's avatar
Gregt_33960
Icon for Nimbostratus rankNimbostratus
Nov 12, 2008

When Website is unavailable

Hello,     I had, what I hope is a simple question. Is there a way to have the F5 point to a "under construction" or "website is down" html page? I have several pools and subsequent website...
application delivery
dev
devops
iRules
JRahm's avatar
JRahm
Icon for Admin rankAdmin
Nov 12, 2008
You can set the fallback host in the http profile, which will redirect traffic to the destination you configure. If you want more granular control, you can set this in an iRule: 

 
 when LB_FAILED {    
   HTTP::fallback "http://siteunavailable.mysite.com/"    
 }

If you don't have another server to redirect to, you can always serve the page from the LTM itself. Here are two examples from the codeshare

Text-only: http://devcentral.f5.com/wiki/default.aspx/iRules/LTMMaintenancePageLite.html Click here

Text with Images: http://devcentral.f5.com/wiki/default.aspx/iRules/LTMMaintenancePage.html Click here