Hello, this logformat definition in squid.conf: logformat combined %>a ... "%{User-Agent}>h" allow to display the User-Agent string in the squid log: 127.0.0.1 ... "Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.8.1.3) Gecko/20070310 Iceweasel/2.0.0.3 (Debian-2.0.0.3-1)" But this string is rather long and I only need a little part of it (productSub (20070310) for instance). Is there some option that allow to only display a given part of the User-Agent string in the log ? Thanks, Loris