I keep getting this message (and nothing else) in the PHP error log, and have no idea how to find out what it means:
[:error] [pid 491] [client 10.0.0.119:55910] , referer: http://10.0.0.172/page1.html
The first IP address is the machine running the browser, the second one is the server (a Raspberry Pi). None of my other log messages are appearing.
What does this mean? Any clues where to start looking?