redirection but url not change on browser

pls feel free to revise.

 

 

virtual bar1 {

 

destination 172.28.17.52:http

 

ip protocol tcp

 

rules rewrite1

 

profiles {

 

http {}

 

tcp {}

 

}

 

}

 

rule rewrite1 {

 

when HTTP_REQUEST {

 

if { [HTTP::uri] eq "/try" } {

 

HTTP::header replace Host "www.google.com.sg"

 

HTTP::uri "/"

 

node [RESOLV::lookup @8.8.8.8 "www.google.com.sg"] 80

 

} else {

 

pool foo1

 

}

 

snat automap

 

}

 

}

 

pool foo1 {

 

members 10.10.70.120:http {}

 

}

 

 

curl -I http://172.28.17.52/

 

HTTP/1.1 200 OK

 

Date: Thu, 11 Nov 2010 04:35:04 GMT

 

Server: Apache/2.0.59 (rPath)

 

Last-Modified: Thu, 11 Nov 2010 04:23:21 GMT

 

ETag: "1315d-5f-5580a040"

 

Accept-Ranges: bytes

 

Content-Length: 95

 

Content-Type: text/html; charset=UTF-8

 

 

curl -I http://172.28.17.52/try

 

HTTP/1.1 200 OK

 

Date: Thu, 11 Nov 2010 14:13:16 GMT

 

Expires: -1

 

Cache-Control: private, max-age=0

 

Content-Type: text/html; charset=ISO-8859-1

 

Set-Cookie: PREF=ID=c809c46b5959f7f0:FF=0:TM=1289484796:LM=1289484796:S=ye5asa5vGc6AHd1X; expires=Sat, 10-Nov-2012 14:13:16 GMT; path=/; domain=.google.com.sg

 

Set-Cookie: NID=40=ly0AIjIvqNT6hFqH3MTxoMIkkO7K6novG9ZqqqcZ5-5xzCzopkHqBeGW5QguqO6HqJFuARliJhFaInZXIZI7Jj--uQoMne7XFs5E0x_6oGhGHeJGKOCQ6s3hzIdcR3Je; expires=Fri, 13-May-2011 14:13:16 GMT; path=/; domain=.google.com.sg; HttpOnly

 

Server: gws

 

X-XSS-Protection: 1; mode=block

 

Transfer-Encoding: chunked