Log Host Header

Log the Host header. This header specifies the domain name of the server (for virtual hosting), and (optionally) the TCP port number on which the server is listening.

Log Referer Header

Log the Referer header. This header contains the address of the previous web page from which a link to the currently requested page was followed. The Referer header allows servers to identify from where people are visiting.

Log User-Agent Header

Log the User-Agent header. This header contains a characteristic string that allows the network protocol peers to identify the application type, operating system, software vendor or software version of the requesting client.

Log Accept-Language Header

Log the Accept-Language header. This header advertises which languages the client is able to understand, and which locale variant is preferred.

Cookie Mode

Select whether you want to log all cookies, some cookies or no cookies.

• **Don’t log any cookies**
• **Log all cookies**
• **Log some cookies**

Cookies

With Cookie Mode set to Log some cookies, provide the cookie names for which you want the values to be logged.

• **sessionid**
• **user_local**

Include Custom Log Field

Whether to append additional custom data to each log line.

Custom Log Field

With Include Custom Log Field set to On, enter the information for the custom log field. This field will be truncated to 128 bytes of data and escaped per RFC1738. This field can only contain request information. To log response information, use the Log Custom Details behavior.

This option supports variable expression syntax. Typing {{ in the option field triggers variable autocomplete. Learn more about variable support.

Log ​Akamai​ Edge Server IP Address

Log the IP address of the ​Akamai​ edge server which served the response to the client.

Log X-Forwarded-For Header

Log the X-Forwarded-For request header if it was passed.