On 26/05/2014 12:10 p.m., Cassiano Martin wrote: > Use deny_info for that. External ACL filters just says to squid what > is OK and NOT OK > > You can pass some data to squid by keypairs (key=value) but I think > its only used to squid replace tags on response pages. Codes like %o can be used in the deny_info URL in recent releases: http://wiki.squid-cache.org/Features/CustomErrors Amos