I turned *forwarded_for on* and deleted *visible_hostname* That did the job. Thank you for your advise. Maybe this helps someone someday, when facing the same error. -- View this message in context: http://squid-web-proxy-cache.1019090.n4.nabble.com/TCP-MISS-429-tp4672839p4673054.html Sent from the Squid - Users mailing list archive at Nabble.com.