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Forum Discussion

Glenn_Ruffus_10's avatar
Glenn_Ruffus_10
Icon for Nimbostratus rankNimbostratus
Jan 07, 2008

Force www in redirect if missing

I asked for and received help a couple of weeks ago regarding an iRule for forcing traffic on an *HTTPS* virtual server to include "www." at the beginning of the URL so that the requested URL would ma...
application delivery
dev
devops
iRules
hoolio's avatar
hoolio
Icon for Cirrostratus rankCirrostratus
Jan 07, 2008
Like this?


when HTTP_REQUEST {
   if {[HTTP::host] starts_with "www."} {
      HTTP::redirect "https://[HTTP::host][HTTP::uri]"
   } else {
      HTTP::redirect "https://www.[HTTP::host][HTTP::uri]"
   }
}

If there is a chance clients could make a request with the port number in the request (www.example.com:80), you could strip it out with getfield:


when HTTP_REQUEST {
   if {[HTTP::host] starts_with "www."} {
      HTTP::redirect "https://[getfield [HTTP::host] : 1][HTTP::uri]"
   } else {
      HTTP::redirect "https://www.[getfield [HTTP::host] : 1][HTTP::uri]"
   }
}

Aaron