Forum Discussion

Cirrus

Oct 17, 2022

Solved

Rewrite Subdomain

Dears, I am wondering about an efficient procedure to search and replace a specific Subdomain in the HOST, What i want to achieve is rewrite the HTTP request toward the server side as follows: Clie...

application delivery

CA_Valli

Oct 17, 2022

Code above is case sensitive on HTTP::host match.

If you want a case-insensitive match you can run this instead

when HTTP_REQUEST {
#    log local0. "Client requested host: [HTTP::host]"
  if { [string tolower [HTTP::host]] starts_with "dir" && [string tolower [HTTP::host]] contains "clust1" }{
    HTTP::header replace Host [string map {"clust1" "clust2"}[string tolower [HTTP::host]]]
#        log local0. "Modified host: [HTTP::host]"
  }
}

Oct 17 15:43:07 bigip info tmm7[11345]: Rule /Common/test-iRule <HTTP_REQUEST>: Client requested host: DIR000.Clust1.Domain.com
Oct 17 15:43:07 bigip info tmm7[11345]: Rule /Common/test-iRule <HTTP_REQUEST>: Modified host: dir000.clust2.domain.com

LiefZimmerman

Admin

Oct 25, 2022

"Working perfectly!" so good.

And...if I'm reading this right... CA_Valli - you had this solution in place only 2hrs after Muhannad asked? and in the middle of the night (for me on the west coast of US)?

Thank you for your perfection & speed!
⏩🚀

CA_Valli