ICMP/TCP Deny on Pool Down

So i got this to work finally, had to upgrade GSS to 3.2 to get the HTTPS HEAD feature (replacing with GTM hopefully later this year anyway!). Here's the iRule i used to give both GSS answer and maintenance page redirection.

 

 

GSS needs to be set to HTTP/HTTPS head, and set the path as /gss. If anyone sees a more efficient way then feel free to chime in.

 

 

when HTTP_REQUEST {

 

if { [HTTP::uri] starts_with "/gss" } {

 

if { [active_members [LB::server pool]] >= 1 } {

 

HTTP::respond 200 Location "http://"

 

} else {

 

reject

 

}

 

} else {

 

if { [active_members [LB::server pool]] == 0 } {

 

pool maint_page

 

}

 

}

 

}