On Thursday, March 5, 2020, 11:37:28 AM GMT+1, Amos Jeffries <squid3 at treenet.co.nz> wrote: > > It means the 'acl' line in squid.conf did not contain any value to pass as extra parameter(s) to that helper lookup. > > See > <https://wiki.squid-cache.org/Features/AddonHelpers#Access_Control_.28ACL.29> Thanks!