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

Forum Discussion

Al_Carandang_11's avatar
Al_Carandang_11
Icon for Nimbostratus rankNimbostratus
Sep 19, 2008

problem with findclass

I have an iRule which uses the following statement set myData [findclass [virtual] myClass] where the class entries are as follows class myClass { "icmrdc2_80 fiel...
application delivery
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hoolio's avatar
hoolio
Icon for Cirrostratus rankCirrostratus
Oct 14, 2008
It's been tossed around for a while... all of the forms (class, ::class, $class, $::class) seem to work as far as matching goes. I don't have a CMP enabled box to test on so I can't check which forms allow you to use CMP. 

 
    log local0. "\[findclass 10.0.0.1 private_net\]: [findclass 10.0.0.1 private_net]" 
    log local0. "\[findclass 10.0.0.1 \$private_net\]: [findclass 10.0.0.1 $private_net]" 
    log local0. "\[findclass 10.0.0.1 ::private_net\]: [findclass 10.0.0.1 ::private_net]" 
    log local0. "\[findclass 10.0.0.1 \$::private_net\]: [findclass 10.0.0.1 $::private_net]" 
  
    log local0. "\[matchclass 10.0.0.1 equals private_net\]: [matchclass 10.0.0.1 equals private_net]" 
    log local0. "\[matchclass 10.0.0.1 equals \$private_net\]: [matchclass 10.0.0.1 equals $private_net]" 
    log local0. "\[matchclass 10.0.0.1 equals ::private_net\]: [matchclass 10.0.0.1 equals ::private_net]" 
    log local0. "\[matchclass 10.0.0.1 equals \$::private_net\]: [matchclass 10.0.0.1 equals $::private_net]" 
  
    log local0. "\[findclass 205.0.0.1 private_net\]: [findclass 205.0.0.1 private_net]" 
    log local0. "\[findclass 205.0.0.1 \$private_net\]: [findclass 205.0.0.1 $private_net]" 
    log local0. "\[findclass 205.0.0.1 ::private_net\]: [findclass 205.0.0.1 ::private_net]" 
    log local0. "\[findclass 205.0.0.1 \$::private_net\]: [findclass 205.0.0.1 $::private_net]" 
  
    log local0. "\[matchclass 205.0.0.1 equals private_net\]: [matchclass 205.0.0.1 equals private_net]" 
    log local0. "\[matchclass 205.0.0.1 equals \$private_net\]: [matchclass 205.0.0.1 equals $private_net]" 
    log local0. "\[matchclass 205.0.0.1 equals ::private_net\]: [matchclass 205.0.0.1 equals ::private_net]" 
    log local0. "\[matchclass 205.0.0.1 equals \$::private_net\]: [matchclass 205.0.0.1 equals $::private_net]"

Log output:

Rule : [findclass 10.0.0.1 private_net]: 10.0.0.0/8

Rule : [findclass 10.0.0.1 $private_net]: 10.0.0.0/8

Rule : [findclass 10.0.0.1 ::private_net]: 10.0.0.0/8

Rule : [findclass 10.0.0.1 $::private_net]: 10.0.0.0/8

Rule : [matchclass 10.0.0.1 equals private_net]: 1

Rule : [matchclass 10.0.0.1 equals $private_net]: 1

Rule : [matchclass 10.0.0.1 equals ::private_net]: 1

Rule : [matchclass 10.0.0.1 equals $::private_net]: 1

Rule : [findclass 205.0.0.1 private_net]:

Rule : [findclass 205.0.0.1 $private_net]:

Rule : [findclass 205.0.0.1 ::private_net]:

Rule : [findclass 205.0.0.1 $::private_net]:

Rule : [matchclass 205.0.0.1 equals private_net]: 0

Rule : [matchclass 205.0.0.1 equals $private_net]: 0

Rule : [matchclass 205.0.0.1 equals ::private_net]: 0

Rule : [matchclass 205.0.0.1 equals $::private_net]: 0

Aaron