Access restriction to certain URLs

[root@ve10:Active] config  b virtual bar list
virtual bar {
   snat automap
   pool foo
   destination 172.28.19.79:80
   ip protocol 6
   rules myrule
   profiles {
      http {}
      tcp {}
   }
}
[root@ve10:Active] config  b rule myrule list
rule myrule {
   when HTTP_REQUEST {
   if { [class match -- [string tolower [HTTP::uri]] starts_with redirect_class] } {
      HTTP::redirect "http://[getfield [HTTP::host] ":" 1]/"
   }
}
}
[root@ve10:Active] config  b class redirect_class list
class redirect_class {
   {
      "/123"
      "/abc"
      "/xyz"
   }
}
[root@ve10:Active] config  curl -I http://172.28.19.79/abc/something
HTTP/1.0 302 Found
Location: http://172.28.19.79/
Server: BigIP
Connection: Keep-Alive
Content-Length: 0