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Referral Tracking With iRules

Introduction We’ve been having a lot of fun with tables and the Google Charts API. Colin kicked it off with his Heatmaps series and since then we’ve come up with a handful of other implementations....
Published Oct 11, 2010
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hoolio's avatar
hoolio
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Dec 22, 2011
Nice article George.

 

 

You could add a sanity check to the iRule to avoid a runtime error if the data group doesn't exist:

 

 

if { not [class exists referer] }{ return }

 

 

The data group reference here shouldn't have the $:: prefix. So [class lookup [HTTP::username] $::authorized_users] should be [class lookup [HTTP::username] authorized_users].

 

 

Aaron