On Dec 6, 2012, at 7:50 PM, Chau Pham wrote: No, it isn't a header, it's just general situation. Client information is passed to apache httpd via headers. In this case, it would be in the HTTP_USER_AGENT header, which, when I access my server from my Android device, looks like Mozilla/5.0 (Linux; Android 4.2.1; Nexus 7 ... and so on So, yeah, you'd want to log the HTTP_USER_AGENT header. See http://httpd.apache.org/docs/2.4/mod/mod_log_config.html#formats for details on how to configure your log file to log this value. |