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

Forum Discussion

Jeff_Morrison_4's avatar
Jeff_Morrison_4
Icon for Nimbostratus rankNimbostratus
Feb 15, 2006

Too iRule???

F5 support suggested that I post my iRule on Devcentral as they felt there were issues with the iRule. Support felt it was to long and that there might be a better solution.     The purpose of ...
application delivery
dev
devops
irules
JRahm's avatar
JRahm
Icon for Admin rankAdmin
Feb 15, 2006
You could turn timing on to see if your rule is overwhelming the system. Here's an alternative to your rule:


class my_uri {
 "/cust1"
 "/cust2"
 "/cust3"
 "/cust4"
 <--omitted-->
 "/cust57"
}
when HTTP_REQUEST {
  if { [matchclass [string tolower [HTTP::uri]] contains $::my_uri] } {
    use pool Pool1
  } elseif { [HTTP::uri] contains "/Cust58"} {
      pool Pool2
  } elseif { [HTTP::uri] contains "/Cust59"} {
      HTTP::redirect https://www.somewebsite.com/
  } else {
      HTTP::redirect http://www.somewebsite.com/Error.html
  }
}