How can I grab an HTTP header on CACHE_REQUEST?

Hi Tidenz,

 

I can think of 2 ways to do this.

 

 

1) If the LTM version you are using is 10.1 you can use the HSL commands that can help you send data within iRules that can be reviewed by developers. Click Here if you want to see a video article about this.

 

 

2) If your service is a HTTP based - You can insert custom headers as you mentioned for which developers can pickup on and report via webpage code and display it against a footer or header banner.

 

 

I hope this helps

 

Bhattman

 

You could do this in HTTP_RESPONSE. Here's a simple example which inserts the server IP:port in a header named SERVER_INFO:

when HTTP_RESPONSE {

   HTTP::header insert SERVER_INFO "[IP::server_addr]:[TCP::server_port]"
}

If you wanted to map the server IP:port to a name or some other value, you could create the mapping in a string datagroup and then use the class command (in v10) or the findclass command (in v9) to do the lookup.

Aaron