Messages starting with #011

["Helmut Schneider" <jumper99@xxxxxx>]

Hi,

in /var/log/messages I have entries starting with #011:

2013-01-25T07:21:23+01:00 gw02 squid[4273]: #011http://$SOME_URL
2013-01-25T07:21:23+01:00 gw02 squid[4273]: #011http://$ANOTHER_URL
2013-01-25T14:09:17+01:00 gw01 squid[20748]:
#011/cache/squid/00/1A/00001A30

What are they related to?

Thanks, Helmut