I’m using piwik 0.6rc2 with 46 registered sites. Now, if i’m visit one of these sites, a cookie with over 7,8 kB and all registered sites will be send… Why?

I still have a problem. Both with the 0.6rc2 and with the 0.6.1

Bad Request

Your browser sent a request that this server could not understand.
Size of a request header field exceeds server limit.

this is a known issue see