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

Forum Discussion

Dicky_Moe_13167's avatar
Dicky_Moe_13167
Icon for Nimbostratus rankNimbostratus
Aug 31, 2017

Universal persistence: session-id inserted in HTTP Header

Hello Guys, Well, the title pretty much explains it. I have a webservice that returns a session-id in the header, and I would like to use that session id to make the next HTTP request persist on th...
application delivery
big-ip
devops
irules
cjunior's avatar
cjunior
Icon for Nacreous rankNacreous
Aug 31, 2017

Hi, You need to check first on header responses. You could try like this:

when HTTP_REQUEST {
    if { [HTTP::header exists Session-ID] } {
        Back to the server
        persist uie [HTTP::header value Session-ID]
    }
}

when HTTP_RESPONSE {
    if { [HTTP::header exists Session-ID] } {
        persist on the server
        persist add uie [HTTP::header value Session-ID]
    }
}

Regards.