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Forum Discussion

SL's avatar
SL
Icon for Cirrus rankCirrus
Jan 18, 2018

Maintenance page iRule

Hi All   I have created the below iRule for a Maintenance page     The page is loading successfully however. I am however the following issues: - The maintenance page is rendered even ...
application delivery
devops
iRules
LTM
P_Kueppers's avatar
P_Kueppers
Icon for MVP rankMVP
May 27, 2020

I can recommend to use base64 for images...

 

when HTTP_REQUEST {
  if { [active_members [LB::server pool]] < 1 } {
HTTP::respond 503 content {
<!DOCTYPE HTML PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xml:lang="en" xmlns="http://www.w3.org/1999/xhtml" lang="en"><head>
 
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Error 503 Service Unavailable</title>
</head><body>
<img src="data&colon;image/png;base64,yourbase64codehere" alt="Logo">
<h1> Service Unavailable </h1>
<p>The server is temporarily unable to service your request due to maintenance downtime or capacity problems. Please try again later.</p>
</body>
</html>
}
 
    }
    
}