On Tue, May 29, 2012 at 7:39 PM, Amos Jeffries <squid3@xxxxxxxxxxxxx> wrote: >> 2. The %o tag (message returned by external acl helper) is not >> url-unescaped, so the error message reads: bla+bla+bla. > > > Uh-oh bug. Thank you. I have created a bug report as well as a possible solution here: http://bugs.squid-cache.org/show_bug.cgi?id=3557 The bug report hasn't even been confirmed, but it would be great if this could be incorporated in the next release. Best regards, Alan