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Forum Discussion

Tarik_B_'s avatar
Tarik_B_
Icon for Nimbostratus rankNimbostratus
Jun 07, 2017

iRule removes second value of header cache-control

Hi all, I'm trying to remove all values after the comma of cache-control header cache-control: no-cache, max-age=0 For instance here I want to keep cache-control: no-cache, it is not...
iRules
LTM
security
dragonflymr's avatar
dragonflymr
Icon for Cirrostratus rankCirrostratus
Jun 07, 2017

Hi,

 

Maybe try getfield for that:

 

if { [HTTP::header "Cache-Control" exists] } {
    set new_hdr set new [getfield [HTTP::header "Cache-Control"] "," 1]

    HTTP::header replace "Cache-Control" $new_header
}

Not the best code but should work. Probably it would be good to check if there are no multiple instances of Cache-Control header because above code will replace value only in last instance of header.

 

pro