From: Maik Kündig <Maik.Kuendig@xxxxxxxxxxxxxx> > auth_param basic program /usr/local/bin/my-auth.pl > external_acl_type myAclType children=1 ttl=1 %SRC %LOGIN /usr/local/bin/foobar > acl MyAcl external myAclType > http_access allow MyAcl Maybe could you try with 'ttl=10'? If it is still not working, could you try to set 'concurrency=0'? JD