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danielc's avatar
danielc
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Jul 07, 2022

A simple way to unset all variable during Client_CLOSED ?

Hello, I have a CLOSED_CONNECTION irule at the end of the VS to unset all variables:   when CLIENT_CLOSED {   TCP::close      if { [info exists demo1] } {     unset demo1   }   if { [info ...
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  • Kevin_Davies's avatar
    Kevin_Davies
    Jul 07, 2022

    Variables are scoped to the connection. After its closed they no longer exist. The only time this is not the case when you create global variables via rule_init. So there is no need to delete these.

danielc's avatar
danielc
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Hello Kevin,

Thanks for the answer. Just want to confirm , what you said also apply to " TCP::close " , right?

Kevin_Davies's avatar
Kevin_Davies
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Jul 11, 2022

TCP::close is triggered at the close of the connection. Right after the processing of any iRule events related to that connection, the variables should no longer exist. A connection is a TCP session defined by quatuple of source-ip:source-port and destination-ip:destination-port.