Serving wpad.dat with F5?

Got it. Thanks for explaining once more. Do you want to send any response for requests which do not match your host/uri checking? If so, you can add another HTTP::respond command (I've put in placeholders but commented them out). This example should meet your requirements:

  
  when HTTP_REQUEST {  
    
     log local0. "[IP::client_addr]:[TCP::client_port]: New request to [HTTP::host], [HTTP::uri]"  
      Check if requested Host header is wpad.internal  
     switch [string tolower [HTTP::host]] {  
    
        "cache.internal" -  
        "wpad.internal" {  
    
           log local0. "[IP::client_addr]:[TCP::client_port]: Request matched host check"  
    
            Host check matched.  Now check the requested URI  
           switch -glob [HTTP::uri] {  
    
              "/wpad.dat*" -  
              "/cache1.pac" {  
                 log local0. "[IP::client_addr]:[TCP::client_port]: Request matched URI check"  
                 HTTP::respond 200 content {  
                    function FindProxyForURL(url, host) {  
                    if(shExpMatch(host, "*[^0123456789.]*") == false)  
                    if( isInNet\(host, "127.0.0.0", "255.0.0.0")   
                    || isInNet(host, "172.17.0.0", "255.255.0.0")  
                    || isInNet(host, "172.18.0.0", "255.255.0.0")  
                    )   
                    return "DIRECT"; \  
                    else   
                    return "PROXY proxygateway.internal:8080; DIRECT";}  
                 }  
              }  
              default {  
                  Take some default action if the requested host matched, but the URI didn't?  
                 HTTP::respond 400 content "Invalid URI"  
              }  
           }  
        }  
        default {  
             Take some default action if the requested host didn't matched?  
            HTTP::respond 400 content "Invalid host"  
        }  
     }  
  }  
  

Aaron