APM Portal how to substitue "f5-w" with server1

Hi. I do not use portal access, but had setup a reverse proxy in the recent past Anyway, I think rewriting this could broke functionality unless is only when sending it back to client You have rewrite profiles or rewrite-portal profiles, nothing to do with this ? Another way of rewriting was STREAM I think An iRule i did use was f.ex.:

when HTTP_RESPONSE { STREAM::expression {@@} STREAM::enable }

And then associate it a stream profile with the VS Don't know if can help you