Still could not find the app or url but the 2 server ip addresses are 149.202.92.139 and 173.236.187.17 . As i said this is a sample random user . The only thing common between these kind of users are TAG_NONE/400 24728 NONE error:invalid-request or TAG_NONE/400 24728 "Strange binary characters here" in logs -- View this message in context: http://squid-web-proxy-cache.1019090.n4.nabble.com/Squid-cpu-usage-100-from-few-days-ago-tp4678894p4678933.html Sent from the Squid - Users mailing list archive at Nabble.com. _______________________________________________ squid-users mailing list squid-users@xxxxxxxxxxxxxxxxxxxxx http://lists.squid-cache.org/listinfo/squid-users