I recently added a winXP client to my lan, and since then my squid logs show a lot of lines: OPTIONS http://name_of_machine_on_lan/ e.g. 1021971111.251 2 192.168.0.41 NONE/400 1126 OPTIONS http://prod_fmf/ - NONE/- - Any ideas what this is, or how can I find out ? Thanks, Declan