I suspect, you might have some statement like "never_direct" / "always_direct" in the squid.conf of first squid with some ACL, which does not match any more. To get a clear picture, pls publish both of actual squid.conf, anonymized. -- View this message in context: http://squid-web-proxy-cache.1019090.n4.nabble.com/parent-problem-TCP-MISS-403-from-parent-tp4667444p4667445.html Sent from the Squid - Users mailing list archive at Nabble.com.