Mar 27, 2026 - For details about updated CVE-2025-53521 (BIG-IP APM vulnerability), refer to K000156741.

Forum Discussion

Chris_123510's avatar
Chris_123510
Icon for Nimbostratus rankNimbostratus
Oct 02, 2013

Blocking in F5

I am trying to set up a certian site on a webserver that runs through the LTM that will be blocked by all outside users. We will go direct to the server to access that page. Currently I am using an i...
application delivery
devops
irules
security
Kevin_Stewart's avatar
Kevin_Stewart
Icon for Employee rankEmployee
Oct 02, 2013

Try this:

when HTTP_REQUEST {     
    switch -glob [string tolower [HTTP::uri]] {         
        "/mysite/protected*" {
            drop                
             optional: HTTP::respond 503 content "Unavailable"            
        }        
        "/theweb*" {             
            SSL::disable serverside                 
            pool Webserver                 
        }            
        "/mysite*" {             
            SSL::disable serverside                 
            pool Webserver
        }
        default {
            pool Webserver
        }
    }