There is an update to squid for CentOS-3.1 https://rhn.redhat.com/errata/RHSA-2004-133.html refers. Updated files are :- updates/i386/RPMS/squid-2.5.STABLE3-5.3E.i386.rpm updates/i386/SRPMS/squid-2.5.STABLE3-5.3E.src.rpm These are available at http://mirror.centos.org/3.1/ and should be on all mirrors within a few hours. To update to the latest version 'yum update squid' should be sufficient. Lance -- uklinux.net - The ISP of choice for the discerning Linux user.