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Christopher_Hyl's avatar
Christopher_Hyl
Icon for Nimbostratus rankNimbostratus
May 05, 2011

True-IP persistence or source-IP if it doesn't exsist.

This is a basic derivative of the irule in the last post .   It's a long story of why we're doing this, but we're using a CDN that passes us the "true-client-ip" HTTP header. We want source persis...
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Christopher_Hyl's avatar
Christopher_Hyl
Icon for Nimbostratus rankNimbostratus
May 05, 2011
Actually, this one would be better as it grabs the pool that's assigned to the VIP and I can now be used across multiple VIPs with a single irule. This should help users like me who use CDNs like akamai or limelight. 


when HTTP_REQUEST {
     set default_pool [LB::server pool]
     if {[HTTP::header exists "True-Client-IP"]}{
          set tcip_header [HTTP::header "True-Client-IP"]
     } else { set tcip_header [IP::remote_addr] }
     if {[active_members $default_pool]}{
          persist uie $tcip_header 43200
          return
     }
}