Bad situation if you have too much ACLs in your squid config and important site gets a DENIE cause one or more of this all ACL’s matches.

Debugging helps you to find the right ACL.

1
2
3

vim /etc/squid3/squid.conf
# Debugging for your ACLs
debug_options 28,9

Your debugged results will appear in your cache.log

1

less /var/log/squid3/cache.log